Seaham monthly weather averages

Average daytime temperature

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

Seaham average temperature chart (Celsius) Seaham average temperature chart (Fahrenheit)
Average monthly temperatures in Seaham (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.2 6.3 8.3 10 12.9 16.3 18 17.9 16.2 13.1 8.9 7
°F 43.2 43.3 46.9 49.9 55.3 61.3 64.5 64.3 61.2 55.5 48 44.7

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.

Seaham monthly rainfall chart (mm) Seaham monthly rainfall chart (inches)
Average monthly rainfall in Seaham (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 55 38 47 44 50 52 53 65 55 51 63 55
inches 2.1 1.5 1.9 1.7 2 2 2.1 2.6 2.2 2 2.5 2.2
Rainy days 17 14 16 14 14 13 13 14 14 15 17 17

Average annual rainfall in Seaham: 680.8mm (268 inches)

Average daily sunshine

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

Seaham average daily sunshine chart
Average daily sunshine Seaham
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 2.7 3.7 4.9 6.1 6.5 5.8 5.6 4.6 3.4 2.6 1.8

Day / night temperatures

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

Seaham average minimum / maximum temperatures (Celsius) Seaham average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Seaham (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.3 1.4 2.4 3.9 6.5 9.4 11.2 11.3 9.6 7.2 3.8 2.1
Max °C 6.4 6.4 8.4 10.1 13.1 16.5 18.2 18.1 16.4 13.2 9 7.2
Min °F 34.3 34.5 36.3 39 43.7 48.8 52.2 52.3 49.3 45 38.8 35.7
Max °F 38.8 39 41.7 44.6 49.6 55.2 58.5 58.5 55.4 50.4 43.5 40.3

Sea temperature

The graph below shows the average sea temperature.

Seaham average sea temperature chart (Celsius) Seaham average sea temperature chart (Fahrenheit)
Average sea temperature around Seaham in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.1 6.3 6.3 7.2 9.2 11.8 14.2 15.3 14.1 12.1 10.1 8.5
°F 44.8 43.3 43.4 44.9 48.5 53.3 57.6 59.5 57.4 53.7 50.2 47.2

Wind speed

The graph below shows the average wind speed.

Seaham average winspeed by month (km/h) Seaham average winspeed by month (mph)
Average wind speed in Seaham (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 23 23 23 21 19 17 17 17 18 19 22 23
mph 15 14 14 13 12 11 10 11 11 12 14 14

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.

Seaham relative humidity averages
Average relative humidity in Seaham
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
86% 84% 81% 81% 81% 81% 80% 82% 82% 85% 86% 87%

Other monthly averages

UV index Best time to go?

Seaham weather stats

Seaham weather statistics
Hottest month: July 18°C 64.4°F
Driest month: February 38mm 1.5ins
Sunniest month: May 6.1hrs
Coldest month: January 6.2°C 43.2°F
Wettest month: August 65mm 2.6ins
Warmest sea: August 15.3°C 59.5°F
Map showing location of Seaham (54.83903, -1.34575) Seaham map pin © Google

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