Montclair (NJ) monthly weather averages

Contents

Average daytime temperature

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

Montclair average temperature chart (Celsius) Montclair average temperature chart (Fahrenheit)
Average monthly temperatures in Montclair (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.2 3.9 9.5 15.7 21.7 26.6 29.4 28.5 24.3 18.3 11.9 5.1
°F 36 39 49.1 60.3 71 79.9 84.9 83.3 75.8 64.9 53.4 41.1

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.

Montclair monthly rainfall chart (mm) Montclair monthly rainfall chart (inches)
Average monthly rainfall in Montclair (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 89 80 103 104 112 91 119 108 103 88 107 95
inches 3.5 3.1 4.1 4.1 4.4 3.6 4.7 4.2 4 3.5 4.2 3.8
Rainy days 11 10 11 11 12 11 10 9 8 8 11 11

Average annual rainfall in Montclair: 1163.7mm (458.1 inches)

Average daily sunshine

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

Montclair average daily sunshine chart
Average daily sunshine Montclair
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.4 7.3 8.1 8.7 9.3 9.4 9.1 7.8 7.2 5.4 4.9

Day / night temperatures

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

Montclair average minimum / maximum temperatures (Celsius) Montclair average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Montclair (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.1 -5.1 -0.4 4.8 10.5 15.5 18.6 17.9 13.6 7.3 2.7 -2.9
Max °C 2.5 4.1 9.8 16 22 26.9 29.7 28.8 24.6 18.6 12.1 5.3
Min °F 21.1 22.8 31.4 40.6 50.8 59.9 65.4 64.1 56.5 45.1 36.9 26.9
Max °F 28.8 31.1 40.5 50.7 61.2 70.2 75.4 73.9 66.4 55.2 45.3 34.2

Sea temperature

The graph below shows the average sea temperature.

Montclair average sea temperature chart (Celsius) Montclair average sea temperature chart (Fahrenheit)
Average sea temperature around Montclair in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.6 3.7 3.9 6.4 11 16.9 21.9 23.1 21 16.9 12.4 8.6
°F 42.1 38.7 39 43.5 51.8 62.4 71.4 73.6 69.8 62.4 54.3 47.5

Wind speed

The graph below shows the average wind speed.

Montclair average winspeed by month (km/h) Montclair average winspeed by month (mph)
Average wind speed in Montclair (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 20 21 20 18 17 16 15 16 17 18 19
mph 12 13 13 13 11 10 10 9 10 11 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.

Montclair relative humidity averages
Average relative humidity in Montclair
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 63% 60% 58% 63% 65% 65% 67% 69% 67% 67% 67%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Montclair weather stats

Montclair weather statistics
Hottest month: July 29.4°C 84.9°F
Driest month: February 80mm 3.1ins
Sunniest month: August 9.1hrs
Coldest month: January 2.2°C 36°F
Wettest month: July 119mm 4.7ins
Warmest sea: August 23.1°C 73.6°F
Map showing location of Montclair (40.82593, -74.20903) Montclair map pin © Google

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