Brentwood (NH) monthly weather averages

Contents

Average daytime temperature

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

Brentwood average temperature chart (Celsius) Brentwood average temperature chart (Fahrenheit)
Average monthly temperatures in Brentwood (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.5 1.9 6.9 13.3 19.7 24.7 27.6 26.7 22.3 16.5 9.7 2.7
°F 32.9 35.4 44.4 56 67.5 76.5 81.8 80.1 72.1 61.7 49.4 36.9

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.

Brentwood monthly rainfall chart (mm) Brentwood monthly rainfall chart (inches)
Average monthly rainfall in Brentwood (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 82 81 86 95 88 88 83 79 84 94 117 98
inches 3.2 3.2 3.4 3.8 3.5 3.5 3.3 3.1 3.3 3.7 4.6 3.9
Rainy days 11 9 11 11 12 11 10 10 9 9 11 12

Average annual rainfall in Brentwood: 1045.934mm (411.8 inches)

Average daily sunshine

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

Brentwood average daily sunshine chart
Average daily sunshine Brentwood
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.8 6.6 7.2 7.9 8.8 9.8 10.1 9.3 8.1 6.8 5 5

Day / night temperatures

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

Brentwood average minimum / maximum temperatures (Celsius) Brentwood average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Brentwood (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -10.6 -9.4 -3.8 1.4 7 12.2 15.3 14.4 9.8 4 -0.5 -7.2
Max °C 0.8 2.2 7.2 13.6 20.1 25.1 28 27 22.6 16.8 9.9 3
Min °F 13 15.2 25.3 34.5 44.5 53.9 59.5 57.9 49.6 39.2 31.1 19.1
Max °F 23.2 25.5 35.1 45.5 56.3 65.5 70.9 69.3 61.2 50.7 40.5 28.2

Sea temperature

The graph below shows the average sea temperature.

Brentwood average sea temperature chart (Celsius) Brentwood average sea temperature chart (Fahrenheit)
Average sea temperature around Brentwood in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.4 3.8 3.5 5.2 9.1 14 18.6 19.8 17.8 14.2 10.7 7.9
°F 41.8 38.8 38.3 41.4 48.4 57.3 65.4 67.7 64.1 57.6 51.3 46.2

Wind speed

The graph below shows the average wind speed.

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

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.

Brentwood relative humidity averages
Average relative humidity in Brentwood
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
65% 64% 64% 63% 67% 71% 71% 74% 75% 72% 71% 69%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Brentwood weather stats

Brentwood weather statistics
Hottest month: July 27.6°C 81.7°F
Driest month: August 79mm 3.1ins
Sunniest month: July 10.1hrs
Coldest month: January 0.5°C 32.9°F
Wettest month: November 117mm 4.6ins
Warmest sea: August 19.8°C 67.6°F
Map showing location of Brentwood (42.9787, -71.07284) Brentwood map pin © Google

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