Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April marks a minor ascent in the average high-temperature, adjusting from March's fresh 10.1°C (50.2°F) to a refreshing 13.6°C (56.5°F). In the month of April, Welwyn Garden City's average low-temperature falls to an icy 4.8°C (40.6°F).Humidity
In Welwyn Garden City, the average relative humidity in April is 81%.Rainfall
In Welwyn Garden City, in April, during 13.8 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Welwyn Garden City, during the entire year, the rain falls for 153.2 days and collects up to 278mm (10.94") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in April in Welwyn Garden City is 13h and 55min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of April, in Welwyn Garden City, United Kingdom, sunrise is at 5:32 am and sunset at 8:23 pm BST.
Sunshine
In Welwyn Garden City, United Kingdom, the average sunshine in April is 7.7h.UV index
The average daily maximum UV index in April in Welwyn Garden City is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Welwyn Garden City in April?
What is the average humidity in April in Welwyn Garden City?
How many days does it rain in April in Welwyn Garden City?
When it does not snow in Welwyn Garden City?
Does it snow in Welwyn Garden City in April?
What is the average length of the day in April in Welwyn Garden City?
When are sunrise and sunset in April in Welwyn Garden City?
How long on average sun shines in April in Welwyn Garden City?
What is the UV index intensity in April in Welwyn Garden City?
Average temperature in April
Welwyn Garden City, United Kingdom
- Average high temperature in April: 13.6°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in April: 4.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in April
Welwyn Garden City, United Kingdom
- Average pressure in April: 1015.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in April
Welwyn Garden City, United Kingdom
- Average wind speed in April: 13.8km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in April
Welwyn Garden City, United Kingdom
- Average humidity in April: 81%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in April
Welwyn Garden City, United Kingdom
- Average rainfall in April: 16mm
The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is September (15mm).
Average rainfall days in April
Welwyn Garden City, United Kingdom
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in April
Welwyn Garden City, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Welwyn Garden City, United Kingdom
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Welwyn Garden City, United Kingdom
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 7h and 4min
The months with the most sunshine are July and August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in April
Welwyn Garden City, United Kingdom
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in April
Welwyn Garden City, United Kingdom
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Welwyn Garden City, United Kingdom
- Average cloud cover in April: 49
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in April
Welwyn Garden City, United Kingdom
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Welwyn Garden City, United Kingdom
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