Winchester monthly weather averages

  • Average daytime temperature

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

    Winchester average temperature chart
    Average monthly temperatures in Winchester (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 6.5 6.9 9.3 12.2 15.8 19 21.1 20.9 18.3 14.5 9.8 7.6
    °F 43.6 44.3 48.8 54 60.5 66.2 70 69.6 64.9 58.1 49.7 45.6

    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.

    Average monthly rainfall in Winchester (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 83 55 66 49 58 56 48 59 68 76 81 87
    inches 3.3 2.2 2.6 1.9 2.3 2.2 1.9 2.3 2.7 3 3.2 3.4
    Rainy days 17 13 15 13 14 12 10 12 12 15 16 17
  • Average daily sunshine

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

    Average daily sunshine Winchester
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 2 2.9 4 5.6 6.8 7.2 6.8 6.5 5.3 3.8 2.8 2
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Winchester (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 1 1 2.1 3.8 6.6 9.4 11.3 11.3 9.5 7.3 3.6 1.9
    Max °C 6.6 7 9.5 12.5 16.1 19.3 21.4 21.2 18.5 14.7 10 7.7
    Min °F 33.8 33.8 35.8 38.8 43.8 48.8 52.3 52.3 49.1 45.1 38.5 35.4
    Max °F 38.8 39.2 42.4 46.6 52.3 57.7 61.3 61.2 57.2 51.8 44.2 40.6
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Winchester in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 9.6 8.7 8.7 9.5 11.1 13.2 15.3 16.6 16.5 15.3 13.4 11.3
    °F 49.4 47.6 47.6 49.2 52.1 55.8 59.6 61.9 61.7 59.5 56.1 52.4
  • Wind speed

    The graph below shows the average wind speed.

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

    Average relative humidity in Winchester
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    93% 90% 85% 82% 81% 81% 81% 81% 86% 90% 92% 93%

Other monthly averages

UV index

Winchester weather stats

Winchester weather statistics
Hottest month: July 21.1°C 70°F
Driest month: July 48mm 1.9ins
Sunniest month: August 6.5hrs
Coldest month: January 6.5°C 43.7°F
Wettest month: December 87mm 3.4ins
Warmest sea: August 16.6°C 61.9°F
Map showing location of Winchester (51.06513, -1.3187)

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