Morristown (NJ) monthly weather averages

Contents

Average daytime temperature

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

Morristown average temperature chart (Celsius) Morristown average temperature chart (Fahrenheit)
Average monthly temperatures in Morristown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.9 3.7 9.4 15.6 21.6 26.4 29 28.1 24.2 18 11.5 4.7
°F 35.5 38.7 48.9 60.1 70.9 79.5 84.2 82.6 75.5 64.5 52.7 40.4

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.

Morristown monthly rainfall chart (mm) Morristown monthly rainfall chart (inches)
Average monthly rainfall in Morristown (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 90 80 105 106 114 98 123 113 108 94 109 99
inches 3.5 3.1 4.1 4.2 4.5 3.8 4.9 4.5 4.3 3.7 4.3 3.9
Rainy days 11 10 11 11 12 11 10 9 8 8 11 11

Average annual rainfall in Morristown: 1203.333mm (473.8 inches)

Average daily sunshine

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

Morristown average daily sunshine chart
Average daily sunshine Morristown
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.7 6.3 7.2 8 8.7 9.3 9.4 9 7.7 7.1 5.3 4.8

Day / night temperatures

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

Morristown average minimum / maximum temperatures (Celsius) Morristown average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Morristown (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -7.2 -6.2 -1.3 3.9 9.3 14.3 17.1 16.4 12.2 5.7 1.5 -3.9
Max °C 2.2 4 9.7 15.9 21.9 26.7 29.3 28.4 24.5 18.4 11.8 4.9
Min °F 19.1 20.9 29.8 39 48.7 57.7 62.8 61.5 53.9 42.2 34.6 25
Max °F 27.5 30 39.6 49.8 60.1 68.9 73.8 72.3 64.9 53.6 43.9 32.9

Sea temperature

The graph below shows the average sea temperature.

Morristown average sea temperature chart (Celsius) Morristown average sea temperature chart (Fahrenheit)
Average sea temperature around Morristown 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.

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

Morristown relative humidity averages
Average relative humidity in Morristown
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 64% 61% 59% 64% 65% 66% 68% 70% 68% 68% 68%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Morristown weather stats

Morristown weather statistics
Hottest month: July 29°C 84.2°F
Driest month: February 80mm 3.1ins
Sunniest month: August 9hrs
Coldest month: January 1.9°C 35.4°F
Wettest month: July 123mm 4.8ins
Warmest sea: August 23.1°C 73.6°F
Map showing location of Morristown (40.79677, -74.48154) Morristown map pin © Google

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