Sleaford monthly weather averages

Average daytime temperature

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

Sleaford average temperature chart (Celsius) Sleaford average temperature chart (Fahrenheit)
Average monthly temperatures in Sleaford (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.9 6.2 9 11.6 15.4 18.6 20.5 20.3 17.9 14 9 6.6
°F 42.6 43.1 48.1 52.9 59.7 65.4 68.9 68.6 64.3 57.2 48.2 43.9

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.

Sleaford monthly rainfall chart (mm) Sleaford monthly rainfall chart (inches)
Average monthly rainfall in Sleaford (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 52 41 49 50 53 54 47 61 48 46 56 54
inches 2 1.6 1.9 2 2.1 2.1 1.8 2.4 1.9 1.8 2.2 2.1
Rainy days 18 14 16 15 14 13 11 13 12 14 17 16

Average annual rainfall in Sleaford: 663.1mm (261.1 inches)

Average daily sunshine

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

Sleaford average daily sunshine chart
Average daily sunshine Sleaford
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 2.6 3.7 4.9 6.7 7.3 6.2 6.1 5.1 3.7 2.6 2

Day / night temperatures

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

Sleaford average minimum / maximum temperatures (Celsius) Sleaford average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sleaford (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.4 0.3 1.7 3.4 6.2 9.2 11.1 11.1 9.3 6.6 3.1 1.3
Max °C 6 6.3 9.2 11.8 15.6 18.8 20.8 20.6 18.2 14.2 9.2 6.8
Min °F 32.7 32.5 35 38.1 43.2 48.6 51.9 51.9 48.7 43.9 37.5 34.3
Max °F 37.8 37.9 41.7 45.7 51.6 57.2 60.6 60.4 56.7 50.7 43 39.2

Sea temperature

The graph below shows the average sea temperature.

Sleaford average sea temperature chart (Celsius) Sleaford average sea temperature chart (Fahrenheit)
Average sea temperature around Sleaford in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.6 6.7 6.8 7.9 9.9 12.5 14.9 16.2 15.5 13.5 11.2 9.1
°F 45.7 44.1 44.3 46.2 49.9 54.5 58.9 61.2 59.9 56.4 52.2 48.4

Wind speed

The graph below shows the average wind speed.

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

Sleaford relative humidity averages
Average relative humidity in Sleaford
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 84% 83% 81% 81% 80% 82% 84% 88% 91% 92%

Other monthly averages

UV index Best time to go?

Sleaford weather stats

Sleaford weather statistics
Hottest month: July 20.5°C 68.9°F
Driest month: February 41mm 1.6ins
Sunniest month: June 7.3hrs
Coldest month: January 5.9°C 42.6°F
Wettest month: August 61mm 2.4ins
Warmest sea: August 16.2°C 61.2°F
Map showing location of Sleaford (52.99826, -0.40941) Sleaford map pin © Google

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