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
April
Weather in April
Temperature
A minor adjustment in South Reston's average high-temperature is noted with the start of April, touching a fresh 11.8°C (53.2°F) from March's 9.2°C (48.6°F). South Reston encounters a steady low-temperature average of 5.7°C (42.3°F) throughout the month of April.Humidity
In April, the average relative humidity is 80%.Rainfall
The month with the least rainfall is April, when the rain falls for 11.9 days and typically collects 18mm (0.71") of precipitation.Snowfall
April through October are months without snowfall in South Reston, United Kingdom.Daylight
In April, the average length of the day in South Reston, United Kingdom, is 14h and 2min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:35 pm. On the last day of April, sunrise is at 5:25 am and sunset at 8:27 pm BST.
Sunshine
In South Reston, the average sunshine in April is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the maximum UV index of 3 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in South Reston?
What is the average humidity in April in South Reston?
What is the driest month in South Reston?
How much does it rain in South Reston in April?
When it does not snow in South Reston?
Does it snow in South Reston in April?
How many hours of daylight does South Reston have in April?
When are sunrise and sunset in April in South Reston?
How many hours of sunshine does South Reston have in April?
What is the UV index intensity in April in South Reston?
Average temperature in April
South Reston, United Kingdom
- Average high temperature in April: 11.8°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in April: 5.7°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in April
South Reston, United Kingdom
- Average pressure in April: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.3mbar).
Average wind speed in April
South Reston, United Kingdom
- Average wind speed in April: 16.8km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is July (14.6km/h).
Average humidity in April
South Reston, United Kingdom
- Average humidity in April: 80%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (76%).
Average rainfall in April
South Reston, United Kingdom
- Average rainfall in April: 18mm
The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in April
South Reston, United Kingdom
- Average rainfall days in April: 11.9 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in April
South Reston, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
South Reston, United Kingdom
- Average snowfall days in April: 0.1 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
South Reston, United Kingdom
- Average daylight in April: 14h and 0min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 12min).
The months with the least sunshine are February and November (Average sunshine: 3h and 54min).
Average sunshine days in April
South Reston, United Kingdom
- Average sunshine days in April: 15.7 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in April
South Reston, 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
South Reston, United Kingdom
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are April and September (Cloud cover 47).
Average visibility in April
South Reston, United Kingdom
- Average visibility in April: 9km
The months with the highest visibility are March, August, September and October (10km).
The months with the lowest visibility are January, February, April, May, June, July, November and December (9km).
