St Helena, Ascension and Tristan da Cunha Climate (Weather Averages)

The St Helena, Ascension and Tristan da Cunha Climate Guide is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

St Helena, Ascension and Tristan da Cunha Weather St Helena, Ascension and Tristan da Cunha Summary St Helena, Ascension and Tristan da Cunha Climate St Helena, Ascension and Tristan da Cunha Today St Helena, Ascension and Tristan da Cunha Forecast St Helena, Ascension and Tristan da Cunha When Best
St Helena, Ascension and Tristan da Cunha Weather St Helena, Ascension and Tristan da Cunha Summary St Helena, Ascension and Tristan da Cunha Climate St Helena, Ascension and Tristan da Cunha Today St Helena, Ascension and Tristan da Cunha Forecast St Helena, Ascension and Tristan da Cunha When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 21°C (70°F) Max Daytime Temperature in January in St Helena, Ascension and Tristan da Cunha (St Helena) 23°C (73°F) Max Daytime Temperature in February in St Helena, Ascension and Tristan da Cunha (St Helena) 23°C (73°F) Max Daytime Temperature in March in St Helena, Ascension and Tristan da Cunha (St Helena) 22°C (72°F) Max Daytime Temperature in April in St Helena, Ascension and Tristan da Cunha (St Helena) 21°C (70°F) Max Daytime Temperature in May in St Helena, Ascension and Tristan da Cunha (St Helena) 19°C (66°F) Max Daytime Temperature in June in St Helena, Ascension and Tristan da Cunha (St Helena) 17°C (63°F) Max Daytime Temperature in July in St Helena, Ascension and Tristan da Cunha (St Helena) 17°C (63°F) Max Daytime Temperature in August in St Helena, Ascension and Tristan da Cunha (St Helena) 17°C (63°F) Max Daytime Temperature in September in St Helena, Ascension and Tristan da Cunha (St Helena) 17°C (63°F) Max Daytime Temperature in October in St Helena, Ascension and Tristan da Cunha (St Helena) 19°C (66°F) Max Daytime Temperature in November in St Helena, Ascension and Tristan da Cunha (St Helena) 20°C (68°F) Max Daytime Temperature in December in St Helena, Ascension and Tristan da Cunha (St Helena)
Min Night-time Temperature (°C) 18°C (64°F) Min Night-time Temperature in January in St Helena, Ascension and Tristan da Cunha (St Helena) 19°C (66°F) Min Night-time Temperature in February in St Helena, Ascension and Tristan da Cunha (St Helena) 19°C (66°F) Min Night-time Temperature in March in St Helena, Ascension and Tristan da Cunha (St Helena) 19°C (66°F) Min Night-time Temperature in April in St Helena, Ascension and Tristan da Cunha (St Helena) 18°C (64°F) Min Night-time Temperature in May in St Helena, Ascension and Tristan da Cunha (St Helena) 16°C (61°F) Min Night-time Temperature in June in St Helena, Ascension and Tristan da Cunha (St Helena) 15°C (59°F) Min Night-time Temperature in July in St Helena, Ascension and Tristan da Cunha (St Helena) 15°C (59°F) Min Night-time Temperature in August in St Helena, Ascension and Tristan da Cunha (St Helena) 15°C (59°F) Min Night-time Temperature in September in St Helena, Ascension and Tristan da Cunha (St Helena) 15°C (59°F) Min Night-time Temperature in October in St Helena, Ascension and Tristan da Cunha (St Helena) 15°C (59°F) Min Night-time Temperature in November in St Helena, Ascension and Tristan da Cunha (St Helena) 17°C (63°F) Min Night-time Temperature in December in St Helena, Ascension and Tristan da Cunha (St Helena)
Hours of Sunshine (Daily) No data available for Hours of Sunshine (Daily)
Hours of Daylight (Daily) 13 Hours of Daylight in January in St Helena, Ascension and Tristan da Cunha (St Helena) 13 Hours of Daylight in February in St Helena, Ascension and Tristan da Cunha (St Helena) 12 Hours of Daylight in March in St Helena, Ascension and Tristan da Cunha (St Helena) 12 Hours of Daylight in April in St Helena, Ascension and Tristan da Cunha (St Helena) 11 Hours of Daylight in May in St Helena, Ascension and Tristan da Cunha (St Helena) 11 Hours of Daylight in June in St Helena, Ascension and Tristan da Cunha (St Helena) 11 Hours of Daylight in July in St Helena, Ascension and Tristan da Cunha (St Helena) 12 Hours of Daylight in August in St Helena, Ascension and Tristan da Cunha (St Helena) 12 Hours of Daylight in September in St Helena, Ascension and Tristan da Cunha (St Helena) 12 Hours of Daylight in October in St Helena, Ascension and Tristan da Cunha (St Helena) 13 Hours of Daylight in November in St Helena, Ascension and Tristan da Cunha (St Helena) 13 Hours of Daylight in December in St Helena, Ascension and Tristan da Cunha (St Helena)
Heat and Humidity Discomfort No Heat & Humidity in January in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in February in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in March in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in April in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in May in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in June in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in July in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in August in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in September in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in October in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in November in St Helena, Ascension and Tristan da Cunha (St Helena) No Heat & Humidity in December in St Helena, Ascension and Tristan da Cunha (St Helena)
Days with some Rainfall 14 Days with some Rainfall in January in St Helena, Ascension and Tristan da Cunha (St Helena) 14 Days with some Rainfall in February in St Helena, Ascension and Tristan da Cunha (St Helena) 15 Days with some Rainfall in March in St Helena, Ascension and Tristan da Cunha (St Helena) 15 Days with some Rainfall in April in St Helena, Ascension and Tristan da Cunha (St Helena) 14 Days with some Rainfall in May in St Helena, Ascension and Tristan da Cunha (St Helena) 16 Days with some Rainfall in June in St Helena, Ascension and Tristan da Cunha (St Helena) 16 Days with some Rainfall in July in St Helena, Ascension and Tristan da Cunha (St Helena) 15 Days with some Rainfall in August in St Helena, Ascension and Tristan da Cunha (St Helena) 12 Days with some Rainfall in September in St Helena, Ascension and Tristan da Cunha (St Helena) 14 Days with some Rainfall in October in St Helena, Ascension and Tristan da Cunha (St Helena) 13 Days with some Rainfall in November in St Helena, Ascension and Tristan da Cunha (St Helena) 12 Days with some Rainfall in December in St Helena, Ascension and Tristan da Cunha (St Helena)
Monthly Rainfall (mm) 20 mm (0.8 inches) Monthly Rainfall in January in St Helena, Ascension and Tristan da Cunha (St Helena) 22 mm (0.9 inches) Monthly Rainfall in February in St Helena, Ascension and Tristan da Cunha (St Helena) 53 mm (2.1 inches) Monthly Rainfall in March in St Helena, Ascension and Tristan da Cunha (St Helena) 100 mm (3.9 inches) Monthly Rainfall in April in St Helena, Ascension and Tristan da Cunha (St Helena) 88 mm (3.5 inches) Monthly Rainfall in May in St Helena, Ascension and Tristan da Cunha (St Helena) 50 mm (2.0 inches) Monthly Rainfall in June in St Helena, Ascension and Tristan da Cunha (St Helena) 52 mm (2.0 inches) Monthly Rainfall in July in St Helena, Ascension and Tristan da Cunha (St Helena) 65 mm (2.6 inches) Monthly Rainfall in August in St Helena, Ascension and Tristan da Cunha (St Helena) 62 mm (2.4 inches) Monthly Rainfall in September in St Helena, Ascension and Tristan da Cunha (St Helena) 51 mm (2.0 inches) Monthly Rainfall in October in St Helena, Ascension and Tristan da Cunha (St Helena) 52 mm (2.0 inches) Monthly Rainfall in November in St Helena, Ascension and Tristan da Cunha (St Helena) 38 mm (1.5 inches) Monthly Rainfall in December in St Helena, Ascension and Tristan da Cunha (St Helena)
UV Index (Maximum) UV (Maximum) Index 11+ (Extreme) in January in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 11+ (Extreme) in February in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 11+ (Extreme) in March in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 11 (Extreme) in April in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 9 (Very High) in May in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 7 (High) in June in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 8 (Very High) in July in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 9 (Very High) in August in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 11 (Extreme) in September in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 11+ (Extreme) in October in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 11+ (Extreme) in November in St Helena, Ascension and Tristan da Cunha (St Helena) UV (Maximum) Index 11+ (Extreme) in December in St Helena, Ascension and Tristan da Cunha (St Helena)
Sea Temperature (°C) 23°C (73°F) Sea Temperature in January in St Helena, Ascension and Tristan da Cunha (St Helena) 25°C (77°F) Sea Temperature in February in St Helena, Ascension and Tristan da Cunha (St Helena) 25°C (77°F) Sea Temperature in March in St Helena, Ascension and Tristan da Cunha (St Helena) 25°C (77°F) Sea Temperature in April in St Helena, Ascension and Tristan da Cunha (St Helena) 24°C (75°F) Sea Temperature in May in St Helena, Ascension and Tristan da Cunha (St Helena) 23°C (73°F) Sea Temperature in June in St Helena, Ascension and Tristan da Cunha (St Helena) 22°C (72°F) Sea Temperature in July in St Helena, Ascension and Tristan da Cunha (St Helena) 21°C (70°F) Sea Temperature in August in St Helena, Ascension and Tristan da Cunha (St Helena) 21°C (70°F) Sea Temperature in September in St Helena, Ascension and Tristan da Cunha (St Helena) 20°C (68°F) Sea Temperature in October in St Helena, Ascension and Tristan da Cunha (St Helena) 21°C (70°F) Sea Temperature in November in St Helena, Ascension and Tristan da Cunha (St Helena) 22°C (72°F) Sea Temperature in December in St Helena, Ascension and Tristan da Cunha (St Helena)
J F M A M J J A S O N D
 
   
 
St Helena, Ascension and Tristan da Cunha Holidays St Helena, Ascension and Tristan da Cunha Flights St Helena, Ascension and Tristan da Cunha Hotels St Helena, Ascension and Tristan da Cunha Hire Cars St Helena, Ascension and Tristan da Cunha Villas St Helena, Ascension and Tristan da Cunha Transfers
St Helena, Ascension and Tristan da Cunha Holidays St Helena, Ascension and Tristan da Cunha Flights St Helena, Ascension and Tristan da Cunha Hotels St Helena, Ascension and Tristan da Cunha Hire Cars St Helena, Ascension and Tristan da Cunha Villas St Helena, Ascension and Tristan da Cunha Transfers

The St Helena, Ascension and Tristan da Cunha Climate Guide shown above is based on the St Helena Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in St Helena, Ascension and Tristan da Cunha with available Climate Guides.

  Ascension Island   St Helena   Tristan da Cunha  

St Helena, Ascension and Tristan da Cunha Weather by Month

Check the weather for a particular month in St Helena, Ascension and Tristan da Cunha by selecting a month from the list below. Alternatively check which month usually has the Best Weather in St Helena, Ascension and Tristan da Cunha. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
  · April
  · May
  · June
  · July
  · August
  · September
  · October
  · November
  · December
Popular Climate Guide Regions

1.

Cyprus

2.

Tenerife, Canary Islands, Spain

3.

Tunisia

4.

Sharm el-Sheikh, Egypt

5.

Mauritius

6.

Crete, Greece

7.

Dalaman and Marmaris Coast, Turkey

8.

Cape Verde

9.

Rhodes, Greece

10.

Antalya Coast, Turkey

Popular Climate Guide Destinations

1.

Santa Cruz de Tenerife, Tenerife, Canary Islands, Spain

2.

Nicosia, Cyprus

3.

Sharm el Sheikh Airport, Sharm el-Sheikh, Egypt

4.

Tunis, Tunisia

5.

Port Louis, Mauritius

6.

Khania, Crete, Greece

7.

Dalaman, Dalaman and Marmaris Coast, Turkey

8.

Praia, Santiago, Cape Verde

9.

Rhodes Town, Rhodes, Greece

10.

Antalya, Antalya Coast, Turkey

 
   
 
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