Tjøme monthly weather averages

Average daytime temperature

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

Tjøme average temperature chart (Celsius) Tjøme average temperature chart (Fahrenheit)
Average monthly temperatures in Tjøme (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.5 -0.2 3.8 8.1 14.6 19.4 20.4 19.9 15 10.3 4.7 1.7
°F 31.1 31.6 38.8 46.7 58.3 66.9 68.7 67.8 58.9 50.6 40.4 35

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.

Tjøme monthly rainfall chart (mm) Tjøme monthly rainfall chart (inches)
Average monthly rainfall in Tjøme (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 62 46 57 46 62 60 72 91 96 111 95 65
inches 2.4 1.8 2.2 1.8 2.4 2.4 2.8 3.6 3.8 4.4 3.7 2.6
Rainy days 17 13 14 12 13 13 14 15 16 17 18 15

Average daily sunshine

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

Tjøme average daily sunshine chart
Average daily sunshine Tjøme
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 0.9 2 3.7 5.9 8 9.8 9.2 7.6 5.1 3.1 1.8 1

Day / night temperatures

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

Tjøme average minimum / maximum temperatures (Celsius) Tjøme average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Tjøme (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -5.4 -6.4 -3.7 0.4 5.8 10.2 12.1 10.9 8.1 4.5 -0.2 -4.4
Max °C -0.4 -0.1 3.9 8.3 14.8 19.6 20.6 20.1 15.1 10.5 4.8 1.8
Min °F 22.3 20.6 25.4 32.7 42.5 50.3 53.8 51.6 46.6 40.1 31.6 24.1
Max °F 26.8 26.2 32.2 39.9 50.6 58.8 61.5 59.9 52.9 45.5 36.1 29.7

Sea temperature

The graph below shows the average sea temperature.

Tjøme average sea temperature chart (Celsius) Tjøme average sea temperature chart (Fahrenheit)
Average sea temperature around Tjøme in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.7 3.6 3.7 6 10.3 14.5 17.1 17.6 15.2 12 9.2 6.3
°F 40.5 38.5 38.6 42.8 50.6 58.1 62.8 63.7 59.3 53.7 48.5 43.4

Wind speed

The graph below shows the average wind speed.

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

Tjøme relative humidity averages
Average relative humidity in Tjøme
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
88% 83% 78% 72% 70% 69% 73% 75% 78% 80% 84% 85%

Other monthly averages

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Tjøme weather stats

Tjøme weather statistics
Hottest month: July 20.4°C 68.7°F
Driest month: February 46mm 1.8ins
Sunniest month: June 9.8hrs
Coldest month: February -0.2°C 31.6°F
Wettest month: October 111mm 4.4ins
Warmest sea: August 17.6°C 63.7°F
Map showing location of Tjøme (59.1109, 10.3933)

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