Atlantic (IA) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Atlantic

Atlantic average temperature chart (Celsius) Atlantic average temperature chart (Fahrenheit)
Average monthly temperatures in Atlantic (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.9 1.3 8.1 16.3 22.6 27.7 30 28.3 23.7 17.7 8.6 0.1
°F 28.5 34.3 46.5 61.4 72.7 81.8 86 82.9 74.7 63.8 47.4 32.1

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Atlantic monthly rainfall chart (mm) Atlantic monthly rainfall chart (inches)
Average monthly rainfall in Atlantic (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 20 23 54 78 112 116 110 108 96 62 40 26
inches 0.8 0.9 2.1 3.1 4.4 4.6 4.3 4.2 3.8 2.4 1.6 1
Rainy days 7 7 10 10 12 10 9 9 9 8 7 8

Average annual rainfall in Atlantic: 791.834mm (311.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Atlantic

Atlantic average daily sunshine chart
Average daily sunshine Atlantic
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6 6.3 7.2 8.2 9.5 11.1 11.5 10.2 8.6 7.5 5.3 4.8

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Atlantic average minimum / maximum temperatures (Celsius) Atlantic average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Atlantic (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -13 -10.2 -3.8 3.2 9.7 15 17.7 15.8 11 4.4 -2.7 -10.1
Max °C -1.7 1.6 8.4 16.7 22.9 28 30.3 28.6 24.1 18 8.9 0.3
Min °F 8.7 13.7 25.3 37.7 49.5 59 63.9 60.4 51.7 39.9 27.2 13.8
Max °F 18.9 24.3 36.1 49.8 61.3 70.7 75.2 72 63.5 52.2 37.6 23.2

Sea temperature

The graph below shows the average sea temperature.

Atlantic average sea temperature chart (Celsius) Atlantic average sea temperature chart (Fahrenheit)
Average sea temperature around Atlantic in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.3 9 9.5 10.6 12.4 14.7 17.2 19.8 18.6 15.3 12.3 10.3
°F 48.7 48.2 49.1 51.1 54.3 58.4 63 67.6 65.6 59.5 54.2 50.6

Wind speed

The graph below shows the average wind speed.

Atlantic average winspeed by month (km/h) Atlantic average winspeed by month (mph)
Average wind speed in Atlantic (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 21 21 18 17 15 15 16 17 18 18
mph 12 12 13 13 11 11 9 9 10 11 11 11

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Atlantic relative humidity averages
Average relative humidity in Atlantic
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 71% 67% 62% 64% 66% 68% 71% 72% 67% 71% 75%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Atlantic weather stats

Atlantic weather statistics
Hottest month: July 30°C 86°F
Driest month: January 20mm 0.8ins
Sunniest month: July 11.5hrs
Coldest month: January -1.9°C 28.6°F
Wettest month: June 116mm 4.6ins
Warmest sea: August 19.8°C 67.6°F
Map showing location of Atlantic (41.4036, -95.01388) Atlantic map pin © Google

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