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United KingdomUnited Kingdom Hertfordshire Welwyn
Welwyn
Weather averages
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Welwyn Climate by Month

The graphs below provide an overview of the climate in Welwyn (Hertfordshire), the United Kingdom. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: London, the United Kingdom (41 KM, 25 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: London, the United Kingdom (41 KM, 25 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: London, the United Kingdom (41 KM, 25 Miles).

Forecast for Welwyn

Mon   Nov 18
7°C | 4°C
E 14 km/h
11 mm
overcast and rain

overcast and rain

hourly forecast
Tue   Nov 19
7°C | -1°C
N 22 km/h
14 mm
broken clouds and rain

broken clouds and rain

hourly forecast
Wed   Nov 20
3°C | -2°C
W 22 km/h
clear and no rain

clear and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Welwyn in the United Kingdom

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in Welwyn?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Welwyn?
    The coldest month is January with an average maximum temperature of 9°C.
  • Which is the wettest month in Welwyn?
    August tops the wettest month list with 68 mm of rainfall.
  • Which is the driest month in Welwyn?
    March is the driest month with 47 mm of precipitation.
  • Which is the sunniest month in Welwyn?
    July is the sunniest month with an average of 219 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     


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