Iowa Climate (Weather Averages)

The Iowa 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.

Iowa Weather Iowa Summary Iowa Climate Iowa Today Iowa Forecast Iowa When Best
Iowa Weather Iowa Summary Iowa Climate Iowa Today Iowa Forecast Iowa When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) -2°C (28°F) Max Daytime Temperature in January in Iowa (Des Moines) 1°C (34°F) Max Daytime Temperature in February in Iowa (Des Moines) 8°C (46°F) Max Daytime Temperature in March in Iowa (Des Moines) 16°C (61°F) Max Daytime Temperature in April in Iowa (Des Moines) 23°C (73°F) Max Daytime Temperature in May in Iowa (Des Moines) 28°C (82°F) Max Daytime Temperature in June in Iowa (Des Moines) 30°C (86°F) Max Daytime Temperature in July in Iowa (Des Moines) 29°C (84°F) Max Daytime Temperature in August in Iowa (Des Moines) 24°C (75°F) Max Daytime Temperature in September in Iowa (Des Moines) 18°C (64°F) Max Daytime Temperature in October in Iowa (Des Moines) 9°C (48°F) Max Daytime Temperature in November in Iowa (Des Moines) 1°C (34°F) Max Daytime Temperature in December in Iowa (Des Moines)
Min Night-time Temperature (°C) -12°C (10°F) Min Night-time Temperature in January in Iowa (Des Moines) -10°C (14°F) Min Night-time Temperature in February in Iowa (Des Moines) -3°C (27°F) Min Night-time Temperature in March in Iowa (Des Moines) 4°C (39°F) Min Night-time Temperature in April in Iowa (Des Moines) 10°C (50°F) Min Night-time Temperature in May in Iowa (Des Moines) 16°C (61°F) Min Night-time Temperature in June in Iowa (Des Moines) 18°C (64°F) Min Night-time Temperature in July in Iowa (Des Moines) 17°C (63°F) Min Night-time Temperature in August in Iowa (Des Moines) 11°C (52°F) Min Night-time Temperature in September in Iowa (Des Moines) 5°C (41°F) Min Night-time Temperature in October in Iowa (Des Moines) -2°C (28°F) Min Night-time Temperature in November in Iowa (Des Moines) -9°C (16°F) Min Night-time Temperature in December in Iowa (Des Moines)
Hours of Sunshine (Daily) 5 Hours of Bright Sunshine per day (53% of Daylight Hours) in January in Iowa (Des Moines) 6 Hours of Bright Sunshine per day (55% of Daylight Hours) in February in Iowa (Des Moines) 7 Hours of Bright Sunshine per day (56% of Daylight Hours) in March in Iowa (Des Moines) 8 Hours of Bright Sunshine per day (56% of Daylight Hours) in April in Iowa (Des Moines) 9 Hours of Bright Sunshine per day (61% of Daylight Hours) in May in Iowa (Des Moines) 10 Hours of Bright Sunshine per day (69% of Daylight Hours) in June in Iowa (Des Moines) 11 Hours of Bright Sunshine per day (73% of Daylight Hours) in July in Iowa (Des Moines) 10 Hours of Bright Sunshine per day (69% of Daylight Hours) in August in Iowa (Des Moines) 8 Hours of Bright Sunshine per day (64% of Daylight Hours) in September in Iowa (Des Moines) 7 Hours of Bright Sunshine per day (61% of Daylight Hours) in October in Iowa (Des Moines) 5 Hours of Bright Sunshine per day (47% of Daylight Hours) in November in Iowa (Des Moines) 4 Hours of Bright Sunshine per day (46% of Daylight Hours) in December in Iowa (Des Moines)
Hours of Daylight (Daily) 10 Hours of Daylight in January in Iowa (Des Moines) 11 Hours of Daylight in February in Iowa (Des Moines) 12 Hours of Daylight in March in Iowa (Des Moines) 13 Hours of Daylight in April in Iowa (Des Moines) 15 Hours of Daylight in May in Iowa (Des Moines) 15 Hours of Daylight in June in Iowa (Des Moines) 15 Hours of Daylight in July in Iowa (Des Moines) 14 Hours of Daylight in August in Iowa (Des Moines) 12 Hours of Daylight in September in Iowa (Des Moines) 11 Hours of Daylight in October in Iowa (Des Moines) 10 Hours of Daylight in November in Iowa (Des Moines) 9 Hours of Daylight in December in Iowa (Des Moines)
Heat and Humidity Discomfort No Heat & Humidity in January in Iowa (Des Moines) No Heat & Humidity in February in Iowa (Des Moines) No Heat & Humidity in March in Iowa (Des Moines) No Heat & Humidity in April in Iowa (Des Moines) No Heat & Humidity in May in Iowa (Des Moines) Low Heat & Humidity in June in Iowa (Des Moines) Moderate Heat & Humidity in July in Iowa (Des Moines) Moderate Heat & Humidity in August in Iowa (Des Moines) No Heat & Humidity in September in Iowa (Des Moines) No Heat & Humidity in October in Iowa (Des Moines) No Heat & Humidity in November in Iowa (Des Moines) No Heat & Humidity in December in Iowa (Des Moines)
Days with some Rainfall 8 Days with some Rainfall in January in Iowa (Des Moines) 7 Days with some Rainfall in February in Iowa (Des Moines) 10 Days with some Rainfall in March in Iowa (Des Moines) 11 Days with some Rainfall in April in Iowa (Des Moines) 12 Days with some Rainfall in May in Iowa (Des Moines) 10 Days with some Rainfall in June in Iowa (Des Moines) 10 Days with some Rainfall in July in Iowa (Des Moines) 9 Days with some Rainfall in August in Iowa (Des Moines) 9 Days with some Rainfall in September in Iowa (Des Moines) 8 Days with some Rainfall in October in Iowa (Des Moines) 8 Days with some Rainfall in November in Iowa (Des Moines) 9 Days with some Rainfall in December in Iowa (Des Moines)
Monthly Rainfall (mm) 23 mm (0.9 inches) Monthly Rainfall in January in Iowa (Des Moines) 27 mm (1.1 inches) Monthly Rainfall in February in Iowa (Des Moines) 57 mm (2.2 inches) Monthly Rainfall in March in Iowa (Des Moines) 84 mm (3.3 inches) Monthly Rainfall in April in Iowa (Des Moines) 101 mm (4.0 inches) Monthly Rainfall in May in Iowa (Des Moines) 121 mm (4.8 inches) Monthly Rainfall in June in Iowa (Des Moines) 101 mm (4.0 inches) Monthly Rainfall in July in Iowa (Des Moines) 99 mm (3.9 inches) Monthly Rainfall in August in Iowa (Des Moines) 87 mm (3.4 inches) Monthly Rainfall in September in Iowa (Des Moines) 64 mm (2.5 inches) Monthly Rainfall in October in Iowa (Des Moines) 45 mm (1.8 inches) Monthly Rainfall in November in Iowa (Des Moines) 30 mm (1.2 inches) Monthly Rainfall in December in Iowa (Des Moines)
UV Index (Maximum) UV (Maximum) Index 1 (Low) in January in Iowa (Des Moines) UV (Maximum) Index 2 (Low) in February in Iowa (Des Moines) UV (Maximum) Index 4 (Moderate) in March in Iowa (Des Moines) UV (Maximum) Index 6 (High) in April in Iowa (Des Moines) UV (Maximum) Index 8 (Very High) in May in Iowa (Des Moines) UV (Maximum) Index 9 (Very High) in June in Iowa (Des Moines) UV (Maximum) Index 9 (Very High) in July in Iowa (Des Moines) UV (Maximum) Index 8 (Very High) in August in Iowa (Des Moines) UV (Maximum) Index 6 (High) in September in Iowa (Des Moines) UV (Maximum) Index 4 (Moderate) in October in Iowa (Des Moines) UV (Maximum) Index 2 (Low) in November in Iowa (Des Moines) UV (Maximum) Index 1 (Low) in December in Iowa (Des Moines)
J F M A M J J A S O N D
 		    
 
Iowa Holidays Iowa Flights Iowa Hotels Iowa Hire Cars Iowa Villas Iowa Transfers
Iowa Holidays Iowa Flights Iowa Hotels Iowa Hire Cars Iowa Villas Iowa Transfers

The Iowa Climate Guide shown above is based on the Des Moines Climate Guide. Please note that the weather may vary across this region. Below is a list of all the destinations in Iowa with available Climate Guides.

  Cedar Rapids   Des Moines   Dubuque   Sioux City  

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