Pontiac (MI) monthly weather averages

Contents

Average daytime temperature

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

Pontiac average temperature chart (Celsius) Pontiac average temperature chart (Fahrenheit)
Average monthly temperatures in Pontiac (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -1.5 -0.1 6.1 13.5 20.1 25.3 27.7 26.5 22.4 15.6 8.4 1.2
°F 29.3 31.8 43 56.3 68.2 77.6 81.8 79.8 72.3 60.1 47.1 34.2

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.

Pontiac monthly rainfall chart (mm) Pontiac monthly rainfall chart (inches)
Average monthly rainfall in Pontiac (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 46 43 60 78 68 85 77 81 72 56 66 64
inches 1.8 1.7 2.4 3.1 2.7 3.4 3 3.2 2.8 2.2 2.6 2.5
Rainy days 13 11 13 12 11 11 9 9 10 10 12 14

Average annual rainfall in Pontiac: 754.433mm (297 inches)

Average daily sunshine

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

Pontiac average daily sunshine chart
Average daily sunshine Pontiac
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.9 4.9 5.8 7.3 9.1 10.2 10.5 9.2 7.4 5.9 3.6 2.9

Day / night temperatures

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

Pontiac average minimum / maximum temperatures (Celsius) Pontiac average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Pontiac (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -8.7 -7.9 -2.7 3.1 8.8 14 16.9 16 12.2 6 0.9 -5.4
Max °C -1.4 0.1 6.3 13.8 20.4 25.6 28 26.8 22.7 15.9 8.6 1.4
Min °F 16.4 17.8 27.1 37.5 47.8 57.2 62.3 60.8 53.9 42.7 33.5 22.3
Max °F 23 25 35.2 47.1 58.3 67.6 72.3 70.5 63.3 51.6 40.5 28.4

Sea temperature

The graph below shows the average sea temperature.

Pontiac average sea temperature chart (Celsius) Pontiac average sea temperature chart (Fahrenheit)
Average sea temperature around Pontiac in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.6 1.7 1.7 3.6 8 14.4 20.3 22.3 20 14.6 9.2 4.9
°F 36.7 35 35 38.5 46.4 57.9 68.6 72.2 67.9 58.2 48.6 40.9

Wind speed

The graph below shows the average wind speed.

Pontiac average winspeed by month (km/h) Pontiac average winspeed by month (mph)
Average wind speed in Pontiac (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 19 19 19 17 15 13 13 14 16 18 19
mph 12 12 12 12 10 9 8 8 9 10 11 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.

Pontiac relative humidity averages
Average relative humidity in Pontiac
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
76% 75% 72% 67% 66% 68% 70% 73% 75% 74% 77% 78%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Pontiac weather stats

Pontiac weather statistics
Hottest month: July 27.7°C 81.9°F
Driest month: February 43mm 1.7ins
Sunniest month: July 10.5hrs
Coldest month: January -1.5°C 29.3°F
Wettest month: June 85mm 3.3ins
Warmest sea: August 22.3°C 72.1°F
Map showing location of Pontiac (42.63892, -83.29105) Pontiac map pin © Google

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