San Juan Climate (Weather Averages)

The Climate Guide for San Juan, Puerto Rico 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.

San Juan Weather Puerto Rico Summary San Juan Climate San Juan Today San Juan Forecast San Juan When Best
San Juan Weather Puerto Rico Summary San Juan Climate San Juan Today San Juan Forecast San Juan When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 28°C (82°F) Max Daytime Temperature in January in San Juan 28°C (82°F) Max Daytime Temperature in February in San Juan 29°C (84°F) Max Daytime Temperature in March in San Juan 30°C (86°F) Max Daytime Temperature in April in San Juan 30°C (86°F) Max Daytime Temperature in May in San Juan 31°C (88°F) Max Daytime Temperature in June in San Juan 31°C (88°F) Max Daytime Temperature in July in San Juan 31°C (88°F) Max Daytime Temperature in August in San Juan 31°C (88°F) Max Daytime Temperature in September in San Juan 31°C (88°F) Max Daytime Temperature in October in San Juan 30°C (86°F) Max Daytime Temperature in November in San Juan 29°C (84°F) Max Daytime Temperature in December in San Juan
Min Night-time Temperature (°C) 19°C (66°F) Min Night-time Temperature in January in San Juan 19°C (66°F) Min Night-time Temperature in February in San Juan 20°C (68°F) Min Night-time Temperature in March in San Juan 21°C (70°F) Min Night-time Temperature in April in San Juan 22°C (72°F) Min Night-time Temperature in May in San Juan 23°C (73°F) Min Night-time Temperature in June in San Juan 23°C (73°F) Min Night-time Temperature in July in San Juan 23°C (73°F) Min Night-time Temperature in August in San Juan 23°C (73°F) Min Night-time Temperature in September in San Juan 22°C (72°F) Min Night-time Temperature in October in San Juan 21°C (70°F) Min Night-time Temperature in November in San Juan 20°C (68°F) Min Night-time Temperature in December in San Juan
Hours of Sunshine (Daily) 8 Hours of Bright Sunshine per day (69% of Daylight Hours) in January in San Juan 8 Hours of Bright Sunshine per day (71% of Daylight Hours) in February in San Juan 9 Hours of Bright Sunshine per day (75% of Daylight Hours) in March in San Juan 9 Hours of Bright Sunshine per day (71% of Daylight Hours) in April in San Juan 8 Hours of Bright Sunshine per day (63% of Daylight Hours) in May in San Juan 9 Hours of Bright Sunshine per day (65% of Daylight Hours) in June in San Juan 9 Hours of Bright Sunshine per day (69% of Daylight Hours) in July in San Juan 9 Hours of Bright Sunshine per day (68% of Daylight Hours) in August in San Juan 8 Hours of Bright Sunshine per day (64% of Daylight Hours) in September in San Juan 7 Hours of Bright Sunshine per day (62% of Daylight Hours) in October in San Juan 7 Hours of Bright Sunshine per day (60% of Daylight Hours) in November in San Juan 7 Hours of Bright Sunshine per day (63% of Daylight Hours) in December in San Juan
Hours of Daylight (Daily) 11 Hours of Daylight in January in San Juan 12 Hours of Daylight in February in San Juan 12 Hours of Daylight in March in San Juan 13 Hours of Daylight in April in San Juan 13 Hours of Daylight in May in San Juan 13 Hours of Daylight in June in San Juan 13 Hours of Daylight in July in San Juan 13 Hours of Daylight in August in San Juan 12 Hours of Daylight in September in San Juan 12 Hours of Daylight in October in San Juan 11 Hours of Daylight in November in San Juan 11 Hours of Daylight in December in San Juan
Heat and Humidity Discomfort Moderate Heat & Humidity in January in San Juan Moderate Heat & Humidity in February in San Juan Moderate Heat & Humidity in March in San Juan Moderate Heat & Humidity in April in San Juan High Heat & Humidity in May in San Juan High Heat & Humidity in June in San Juan High Heat & Humidity in July in San Juan High Heat & Humidity in August in San Juan High Heat & Humidity in September in San Juan High Heat & Humidity in October in San Juan High Heat & Humidity in November in San Juan Moderate Heat & Humidity in December in San Juan
Days with some Rainfall 20 Days with some Rainfall in January in San Juan 15 Days with some Rainfall in February in San Juan 15 Days with some Rainfall in March in San Juan 14 Days with some Rainfall in April in San Juan 16 Days with some Rainfall in May in San Juan 17 Days with some Rainfall in June in San Juan 19 Days with some Rainfall in July in San Juan 20 Days with some Rainfall in August in San Juan 18 Days with some Rainfall in September in San Juan 18 Days with some Rainfall in October in San Juan 19 Days with some Rainfall in November in San Juan 21 Days with some Rainfall in December in San Juan
Monthly Rainfall (mm) 115 mm (4.5 inches) Monthly Rainfall in January in San Juan 80 mm (3.1 inches) Monthly Rainfall in February in San Juan 73 mm (2.9 inches) Monthly Rainfall in March in San Juan 119 mm (4.7 inches) Monthly Rainfall in April in San Juan 182 mm (7.2 inches) Monthly Rainfall in May in San Juan 150 mm (5.9 inches) Monthly Rainfall in June in San Juan 175 mm (6.9 inches) Monthly Rainfall in July in San Juan 191 mm (7.5 inches) Monthly Rainfall in August in San Juan 186 mm (7.3 inches) Monthly Rainfall in September in San Juan 174 mm (6.9 inches) Monthly Rainfall in October in San Juan 180 mm (7.1 inches) Monthly Rainfall in November in San Juan 151 mm (5.9 inches) Monthly Rainfall in December in San Juan
UV Index (Maximum) UV (Maximum) Index 8 (Very High) in January in San Juan UV (Maximum) Index 10 (Very High) in February in San Juan UV (Maximum) Index 11+ (Extreme) in March in San Juan UV (Maximum) Index 11+ (Extreme) in April in San Juan UV (Maximum) Index 11+ (Extreme) in May in San Juan UV (Maximum) Index 11+ (Extreme) in June in San Juan UV (Maximum) Index 11+ (Extreme) in July in San Juan UV (Maximum) Index 11+ (Extreme) in August in San Juan UV (Maximum) Index 11+ (Extreme) in September in San Juan UV (Maximum) Index 10 (Very High) in October in San Juan UV (Maximum) Index 9 (Very High) in November in San Juan UV (Maximum) Index 8 (Very High) in December in San Juan
Sea Temperature (°C) 26°C (79°F) Sea Temperature in January in San Juan 26°C (79°F) Sea Temperature in February in San Juan 26°C (79°F) Sea Temperature in March in San Juan 26°C (79°F) Sea Temperature in April in San Juan 27°C (81°F) Sea Temperature in May in San Juan 28°C (82°F) Sea Temperature in June in San Juan 28°C (82°F) Sea Temperature in July in San Juan 29°C (84°F) Sea Temperature in August in San Juan 29°C (84°F) Sea Temperature in September in San Juan 29°C (84°F) Sea Temperature in October in San Juan 28°C (82°F) Sea Temperature in November in San Juan 27°C (81°F) Sea Temperature in December in San Juan
J F M A M J J A S O N D
 		    
 

San Juan Climate Zone

San Juan has a hot tropical climate with a short dry season.
San Juan Holidays San Juan Flights San Juan Hotels San Juan Hire Cars San Juan Villas San Juan Transfers
San Juan Holidays San Juan Flights San Juan Hotels San Juan Hire Cars San Juan Villas San Juan Transfers

  Arroyo   Culebra   Fajardo   Jayuya   Ponce   Rincon   Vieques  

San Juan Weather by Month
Check the weather for a particular month in San Juan by selecting a month from the list below. Alternatively check which month usually has the Best Weather in San Juan. 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

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Cyprus

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Tenerife, Canary Islands, Spain

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Tunisia

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Sharm el-Sheikh, Egypt

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Mauritius

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Crete, Greece

7.

Dalaman and Marmaris Coast, Turkey

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Cape Verde

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Rhodes, Greece

10.

Antalya Coast, Turkey
Popular Climate Guide Destinations

1.

Santa Cruz de Tenerife, Tenerife, Canary Islands, Spain

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Nicosia, Cyprus

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Sharm el Sheikh Airport, Sharm el-Sheikh, Egypt

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Tunis, Tunisia

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Port Louis, Mauritius

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Khania, Crete, Greece

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Dalaman, Dalaman and Marmaris Coast, Turkey

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Praia, Santiago, Cape Verde

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Rhodes Town, Rhodes, Greece

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Antalya, Antalya Coast, Turkey
 		    
 
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