April weather forecastHarefield, United Kingdom
April
Weather in April
April in Harefield, United Kingdom, is a moderate spring month, with an average temperature ranging between min 5.3°C (41.5°F) and max 14.3°C (57.7°F).Temperature
A subtle rise in the average high-temperature is observed during April, adjusting from a cool 10.5°C (50.9°F) in March to a refreshing 14.3°C (57.7°F). In Harefield, the average nighttime temperature during April is a cold 5.3°C (41.5°F).Humidity
In Harefield, the average relative humidity in April is 78%.Rainfall
The month with the least rainfall is April, when the rain falls for 10.2 days and typically collects 10mm (0.39") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 54min.On the first day of April, sunrise is at 6:35 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:24 pm BST.
Sunshine
In Harefield, the average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during April translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Harefield, United Kingdom
- Average high temperature in April: 14.3°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in April: 5.3°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in April
Harefield, United Kingdom
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in April
Harefield, United Kingdom
- Average wind speed in April: 13.5km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in April
Harefield, United Kingdom
- Average humidity in April: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in April
Harefield, United Kingdom
- Average rainfall in April: 10mm
The wettest month (with the highest rainfall) is December (25mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in April
Harefield, United Kingdom
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is September (8.9 days).
Average snowfall in April
Harefield, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Harefield, United Kingdom
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (2.8 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
Harefield, United Kingdom
- Average daylight in April: 13h and 54min
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 36min
The months with the most sunshine are July and August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in April
Harefield, United Kingdom
- Average sunshine days in April: 16.8 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is July (14 days).
Average UV index in April
Harefield, 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
Harefield, United Kingdom
- Average cloud cover in April: 49
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in April
Harefield, United Kingdom
- Average visibility in April: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
