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
The shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from a fresh 10.5°C (50.9°F) in March to a refreshing 14.3°C (57.7°F). In April, Northolt records an average nighttime temperature of 5.3°C (41.5°F).Humidity
In April, the average relative humidity in Northolt is 78%.Rainfall
April is the month with the least rainfall. Rain falls for 10.2 days and accumulates 10mm (0.39") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Northolt, the average length of the day in April is 13h and 54min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:35 pm. On the last day of April, sunrise is at 5:33 am and sunset at 8:23 pm BST.
Sunshine
In Northolt, 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 moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the UV index of 3 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in April in Northolt?
What is the average humidity in April in Northolt?
What is the driest month in Northolt?
How much does it rain in Northolt in April?
When it does not snow in Northolt?
Does it snow in Northolt in April?
What is the average length of the day in April in Northolt?
When are sunrise and sunset in April in Northolt?
How long on average sun shines in April in Northolt?
How high is the UV index in April in Northolt?
Average temperature in April
Northolt, 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
Northolt, 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
Northolt, 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
Northolt, 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
Northolt, 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
Northolt, 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
Northolt, 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
Northolt, 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
Northolt, 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: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in April
Northolt, 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
Northolt, 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
Northolt, 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
Northolt, 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).
Northolt, United Kingdom
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