Welwyn Climate by Month
The temperature in Welwyn can vary greatly throughout the year.
The temperatures shift from warm
to cold.
It receives mid-range precipitation levels.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in Welwyn. 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 has a moderate amount of precipitation, averaging 704 mm of rain/snowfall annually. Year-round, Welwyn 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
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Welwyn. 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
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Welwyn.
Relative humidity over the year
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:
July has an average maximum temperature of 23°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 9°C.
August tops the wettest month list with 68 mm of rainfall.
March is the driest month with 47 mm of precipitation.
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.
