Buffalo Grove (IL) monthly weather averages

Contents

Average daytime temperature

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

Buffalo Grove average temperature chart (Celsius) Buffalo Grove average temperature chart (Fahrenheit)
Average monthly temperatures in Buffalo Grove (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -2 0.7 7.2 14.2 20.8 26.2 28.3 27.2 23.3 16.9 8.8 1.1
°F 28.5 33.2 44.9 57.5 69.4 79.1 82.9 81 73.9 62.4 47.8 34.1

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.

Buffalo Grove monthly rainfall chart (mm) Buffalo Grove monthly rainfall chart (inches)
Average monthly rainfall in Buffalo Grove (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 45 37 71 101 86 98 104 93 88 64 69 66
inches 1.8 1.5 2.8 4 3.4 3.9 4.1 3.6 3.5 2.5 2.7 2.6
Rainy days 11 9 12 13 11 10 10 9 10 9 11 12

Average annual rainfall in Buffalo Grove: 874.666mm (344.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Buffalo Grove

Buffalo Grove average daily sunshine chart
Average daily sunshine Buffalo Grove
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.9 5.4 6.5 7.7 9.7 11.1 11 9.8 8.1 6.7 4.2 3.8

Day / night temperatures

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

Buffalo Grove average minimum / maximum temperatures (Celsius) Buffalo Grove average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Buffalo Grove (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -10.9 -8.3 -2.2 3.4 8.8 14.2 17.3 16.5 12.3 5.9 -0.2 -7.2
Max °C -1.8 0.9 7.4 14.5 21.1 26.5 28.6 27.5 23.6 17.2 9 1.4
Min °F 12.5 17.1 28 38 47.8 57.5 63.1 61.7 54.1 42.5 31.6 19.1
Max °F 20.7 25.3 36.7 48 58.8 68.5 73.2 71.6 64.2 52.7 39.9 26.8

Sea temperature

The graph below shows the average sea temperature.

Buffalo Grove average sea temperature chart (Celsius) Buffalo Grove average sea temperature chart (Fahrenheit)
Average sea temperature around Buffalo Grove in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.6 2.8 2.7 3.6 6 12.1 19.3 21.8 19.6 14 8.9 5.3
°F 38.6 37.1 36.8 38.4 42.8 53.8 66.8 71.3 67.3 57.2 48 41.6

Wind speed

The graph below shows the average wind speed.

Buffalo Grove average winspeed by month (km/h) Buffalo Grove average winspeed by month (mph)
Average wind speed in Buffalo Grove (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 21 21 18 16 14 14 16 17 19 19
mph 12 12 13 13 11 10 9 9 10 11 12 12

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.

Buffalo Grove relative humidity averages
Average relative humidity in Buffalo Grove
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
73% 72% 70% 66% 65% 67% 70% 72% 72% 70% 74% 76%

Other monthly averages

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Current (hourly) weather 15 day forecast

Buffalo Grove weather stats

Buffalo Grove weather statistics
Hottest month: July 28.3°C 82.9°F
Driest month: February 37mm 1.5ins
Sunniest month: July 11hrs
Coldest month: January -2°C 28.4°F
Wettest month: July 104mm 4.1ins
Warmest sea: August 21.8°C 71.2°F
Map showing location of Buffalo Grove (42.15141, -87.95979) Buffalo Grove map pin © Google

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