Westerville (OH) monthly weather averages

Contents

Average daytime temperature

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

Westerville average temperature chart (Celsius) Westerville average temperature chart (Fahrenheit)
Average monthly temperatures in Westerville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.7 2.8 9.6 16.1 21.9 26.4 28.4 27.5 24.2 17.6 10.4 3.5
°F 33.2 37 49.3 60.9 71.5 79.6 83.1 81.4 75.5 63.7 50.7 38.4

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.

Westerville monthly rainfall chart (mm) Westerville monthly rainfall chart (inches)
Average monthly rainfall in Westerville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 59 53 80 89 100 93 106 83 73 54 79 70
inches 2.3 2.1 3.2 3.5 3.9 3.6 4.2 3.3 2.9 2.1 3.1 2.7
Rainy days 13 11 14 12 12 11 11 10 9 9 12 14

Average annual rainfall in Westerville: 895.866mm (352.7 inches)

Average daily sunshine

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

Westerville average daily sunshine chart
Average daily sunshine Westerville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4 4.9 5.7 7.2 8.4 9.3 9.1 8.3 7.6 6.4 3.8 3.1

Day / night temperatures

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

Westerville average minimum / maximum temperatures (Celsius) Westerville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Westerville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.3 -6.8 -1.3 3.9 9.6 14.1 16.7 15.5 12 5.3 0.6 -4.8
Max °C 0.9 3 9.9 16.4 22.3 26.8 28.7 27.8 24.5 17.9 10.6 3.8
Min °F 17.1 19.8 29.8 38.9 49.2 57.3 62.1 59.8 53.5 41.5 33.1 23.5
Max °F 25.3 28.6 39.7 50.2 60.6 68.7 72.9 70.9 64.8 52.9 42.1 31.1

Sea temperature

The graph below shows the average sea temperature.

Westerville average sea temperature chart (Celsius) Westerville average sea temperature chart (Fahrenheit)
Average sea temperature around Westerville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.1 2.1 2.3 4.8 10.4 17.5 22.7 23.8 21.4 16.1 10.6 5.8
°F 37.6 35.9 36.2 40.7 50.7 63.4 72.9 74.8 70.4 60.9 51 42.4

Wind speed

The graph below shows the average wind speed.

Westerville average winspeed by month (km/h) Westerville average winspeed by month (mph)
Average wind speed in Westerville (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 17 18 17 15 13 12 12 12 14 16 17
mph 11 11 11 11 9 8 7 7 7 9 10 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.

Westerville relative humidity averages
Average relative humidity in Westerville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 71% 66% 63% 67% 69% 71% 73% 73% 69% 72% 75%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Westerville weather stats

Westerville weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: February 53mm 2.1ins
Sunniest month: June 9.3hrs
Coldest month: January 0.7°C 33.3°F
Wettest month: July 106mm 4.2ins
Warmest sea: August 23.8°C 74.8°F
Map showing location of Westerville (40.12617, -82.92907) Westerville map pin © Google

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