Somerville (TN) monthly weather averages

Average daytime temperature

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

Somerville average temperature chart (Celsius) Somerville average temperature chart (Fahrenheit)
Average monthly temperatures in Somerville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.9 10.6 16.3 22 26.4 30.7 32.4 31.7 28.4 22.8 16.2 10.3
°F 46.3 51.1 61.4 71.6 79.5 87.2 90.3 89 83 73.1 61.2 50.6

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.

Somerville monthly rainfall chart (mm) Somerville monthly rainfall chart (inches)
Average monthly rainfall in Somerville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 113 117 136 139 133 95 105 81 97 76 125 137
inches 4.4 4.6 5.4 5.5 5.3 3.7 4.1 3.2 3.8 3 4.9 5.4
Rainy days 10 10 11 10 10 9 10 8 8 6 9 10

Average annual rainfall in Somerville: 1298.633mm (511.3 inches)

Average daily sunshine

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

Somerville average daily sunshine chart
Average daily sunshine Somerville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.6 6.4 7.2 8.8 10 11 10.8 10.2 8.7 8.3 6 5.2

Day / night temperatures

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

Somerville average minimum / maximum temperatures (Celsius) Somerville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Somerville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -2.4 -0.3 4.6 9.5 14.3 18.7 20.8 19.7 16.2 9.1 4.5 -0.2
Max °C 8.2 10.9 16.6 22.3 26.7 31 32.7 32 28.7 23.2 16.5 10.6
Min °F 27.7 31.6 40.3 49.1 57.7 65.6 69.4 67.4 61.1 48.3 40.1 31.6
Max °F 37.2 41.5 51.1 60.6 68.9 76.6 80.1 78.4 72.3 61 50.9 41.4

Sea temperature

The graph below shows the average sea temperature.

Somerville average sea temperature chart (Celsius) Somerville average sea temperature chart (Fahrenheit)
Average sea temperature around Somerville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.7 12.3 13 14.8 17.6 20.7 23.4 25.3 23.9 19.9 16.6 14.3
°F 54.9 54.1 55.3 58.6 63.7 69.2 74 77.5 75 67.9 61.9 57.8

Wind speed

The graph below shows the average wind speed.

Somerville average winspeed by month (km/h) Somerville average winspeed by month (mph)
Average wind speed in Somerville (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 15 16 17 16 14 13 12 11 12 13 14 15
mph 9 10 10 10 9 8 7 7 7 8 9 9

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.

Somerville relative humidity averages
Average relative humidity in Somerville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
69% 67% 64% 64% 67% 68% 70% 71% 72% 67% 69% 70%

Other monthly averages

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Somerville weather stats

Somerville weather statistics
Hottest month: July 32.4°C 90.3°F
Driest month: October 76mm 3ins
Sunniest month: June 11hrs
Coldest month: January 7.9°C 46.2°F
Wettest month: April 139mm 5.5ins
Warmest sea: August 25.3°C 77.5°F
Map showing location of Somerville (35.2437, -89.35007) Somerville map pin © Google

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