Normal weather in Welwyn in May
The weather in Welwyn in May has an average temperature of around 18°C during the day. On average, May sees 45 mm of rain in Welwyn. The wind speed is 4 Beaufort and mainly comes from South.
After April, May in Welwyn starts with a temperature of 14°C and ends around June at 19°C.
May averages for Welwyn
 Average temperature | 18°C |
 Highest daytime temperature | 20°C |
| Lowest daytime temperature | 14°C |
 Total rainfall | 45 mm |
| Rainy days | 14 days |
Temperature per day in May in Welwyn
This graph shows the average daily maximum temperatures in May in Welwyn, indicated in degrees Celsius.
Precipitation per day in May in Welwyn
This graph shows the average daily precipitation in May in Welwyn, indicated in millimeters.
UV index per day in May in Welwyn
This graph shows the average daily UV index in May in Welwyn.
Yearly temperature in May in Welwyn
This graph shows the average yearly temperature in May in Welwyn, measured in degrees Celsius, over the past years.
Yearly total precipitation in May in Welwyn
This graph shows the average yearly precipitation in millimeters in May in Welwyn, over the past years.
Average daily weather in May
Click on a day to get more information about the average weather on that day.
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Average weather in Welwyn per month
Click on a month below to see in detail how the weather typically is in Welwyn and what to expect. Based on the historical weather data of Welwyn, you can view the average temperature, precipitation, wind, and UV index for each day of the month.