ClimateForecastDecemberJanuary >>

Welwyn Garden City Climate by Month

The temperature in Welwyn Garden City can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It receives mid-range precipitation levels. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to Welwyn Garden City can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 23°C in July, the warmest time of the year, to a chilly 9°C during cooler months like January. At night, temperatures typically average around 2°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Welwyn Garden City experiences moderate precipitation patterns, averaging 704 mm yearly. Year-round, Welwyn Garden City has a balanced climate with minimal variation in precipitation. The difference between the wettest month, August, with 68 mm, and the driest month, March, with 47 mm, is minimal.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Welwyn Garden City. While July receives considerable daily sunshine with up to 7.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.

Monthly hours of sunshine

Data from: London, the United Kingdom (39 KM, 24 Miles).

Daily hours of sunshine

Data from: London, the United Kingdom (39 KM, 24 Miles).

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

    Forecast for Welwyn Garden City

    Thu   Dec 12
    7°C | 4°C
    NE 14 km/h
    0.5 mm
    overcast and  chance of slight rain

    overcast and chance of slight rain

    Fri   Dec 13
    6°C | 3°C
    SE 11 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sat   Dec 14
    6°C | 3°C
    NW 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain