New Haven (CT) monthly weather averages

Contents

Average daytime temperature

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

New Haven average temperature chart (Celsius) New Haven average temperature chart (Fahrenheit)
Average monthly temperatures in New Haven (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.8 2.6 7.6 13.5 19.2 24.4 27.2 26.6 23.1 17.5 11.2 4.2
°F 35.3 36.8 45.7 56.3 66.6 76 81 79.9 73.5 63.6 52.2 39.6

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.

New Haven monthly rainfall chart (mm) New Haven monthly rainfall chart (inches)
Average monthly rainfall in New Haven (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 82 81 101 102 89 76 84 93 85 87 103 99
inches 3.2 3.2 4 4 3.5 3 3.3 3.7 3.3 3.4 4 3.9
Rainy days 10 10 11 10 11 11 9 9 8 7 11 12

Average annual rainfall in New Haven: 1049.933mm (413.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in New Haven

New Haven average daily sunshine chart
Average daily sunshine New Haven
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 6.1 6.9 7.8 8.5 9.1 9.6 9.6 9.1 8 7.3 5.4 5.1

Day / night temperatures

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

New Haven average minimum / maximum temperatures (Celsius) New Haven average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in New Haven (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.5 -5.9 -1.5 3.3 8.8 14.1 17.4 17 12.9 7.2 2.2 -3.8
Max °C 2.1 2.9 7.9 13.8 19.5 24.7 27.5 26.9 23.3 17.8 11.5 4.4
Min °F 20.4 21.5 29.4 37.9 47.8 57.4 63.2 62.5 55.2 45 35.9 25.2
Max °F 28 29.3 37.8 47.3 57.4 66.9 72.3 71.4 64.6 54.5 44.2 32.5

Sea temperature

The graph below shows the average sea temperature.

New Haven average sea temperature chart (Celsius) New Haven average sea temperature chart (Fahrenheit)
Average sea temperature around New Haven in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6 4 3.7 5.8 10.3 15.9 20.6 21.7 19.6 15.8 12.1 8.9
°F 42.8 39.1 38.7 42.5 50.6 60.6 69.1 71 67.3 60.5 53.8 48

Wind speed

The graph below shows the average wind speed.

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

New Haven relative humidity averages
Average relative humidity in New Haven
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
66% 66% 64% 63% 69% 72% 72% 74% 74% 70% 70% 69%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

New Haven weather stats

New Haven weather statistics
Hottest month: July 27.2°C 81°F
Driest month: June 76mm 3ins
Sunniest month: August 9.1hrs
Coldest month: January 1.8°C 35.2°F
Wettest month: November 103mm 4.1ins
Warmest sea: August 21.7°C 71.1°F
Map showing location of New Haven (41.30815, -72.92816) New Haven map pin © Google

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