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 start of April signals a slight increase in the average high-temperature, moving from a fresh 10.4°C (50.7°F) in March to a moderate 14.1°C (57.4°F). Throughout the month of April, Slough witnesses an average temperature of 4.8°C (40.6°F).Humidity
In Slough, the average relative humidity in April is 79%.Rainfall
April is the month with the least rainfall. Rain falls for 12.3 days and accumulates 16mm (0.63") of precipitation.Snowfall
April through November are months without snowfall in Slough.Daylight
The average length of the day in April is 13h and 54min.On the first day of April, sunrise is at 6:36 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:24 pm BST.
Sunshine
In April, the average sunshine is 7.5h.UV index
The average daily maximum UV index in April in Slough, United Kingdom, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In April, a regular UV index of 3 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are April temperatures in Slough?
What is the average humidity in April in Slough?
What is the driest month in Slough?
How many days does it rain in April in Slough?
When it does not snow in Slough?
Does it snow in Slough in April?
How many hours of daylight does Slough have in April?
When is the sunrise / sunset in April in Slough?
How many hours of sunshine does Slough have in April?
What is the UV index intensity in April in Slough?
Average temperature in April
Slough, United Kingdom
- Average high temperature in April: 14.1°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in April: 4.8°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in April
Slough, United Kingdom
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in April
Slough, United Kingdom
- Average wind speed in April: 13.6km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest months (with the lowest average wind speed) are July and September (12.8km/h).
Average humidity in April
Slough, United Kingdom
- Average humidity in April: 79%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in April
Slough, United Kingdom
- Average rainfall in April: 16mm
The wettest month (with the highest rainfall) is June (34mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in April
Slough, United Kingdom
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in April
Slough, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in April
Slough, United Kingdom
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.3 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
Slough, 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 3min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in April
Slough, United Kingdom
- Average sunshine days in April: 14 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in April
Slough, United Kingdom
- Average UV index in April: 3
The month with the highest UV index is 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
Slough, United Kingdom
- Average cloud cover in April: 49
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 49).
Average visibility in April
Slough, 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).
Slough, United Kingdom
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