April weather forecastGraffham, United Kingdom
April
Weather in April
April in Graffham, United Kingdom, is a cool spring month, with an average temperature fluctuating between 6.8°C (44.2°F) and 12.3°C (54.1°F).Temperature
The introduction of April notes a subtle temperature variation to a cool 12.3°C (54.1°F) from March's 9.6°C (49.3°F). Graffham records an average low of 6.8°C (44.2°F) throughout the nights in April.Humidity
The average relative humidity in April is 80%.Rainfall
April is the month with the least rainfall. Rain falls for 13.3 days and accumulates 24mm (0.94") of precipitation.Snowfall
In Graffham, snow does not fall in March through October.Daylight
The average length of the day in April in Graffham is 13h and 52min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:35 pm. On the last day of April, in Graffham, sunrise is at 5:36 am and sunset at 8:23 pm BST.
Sunshine
In Graffham, United Kingdom, the average sunshine in April is 8.8h.UV index
In Graffham, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In April, the maximum UV index of 3 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Graffham, United Kingdom
- Average high temperature in April: 12.3°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is February (7.7°C).
- Average low temperature in April: 6.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in April
Graffham, United Kingdom
- Average pressure in April: 1015.7mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in April
Graffham, United Kingdom
- Average wind speed in April: 17.5km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is July (16.9km/h).
Average humidity in April
Graffham, United Kingdom
- Average humidity in April: 80%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in April
Graffham, United Kingdom
- Average rainfall in April: 24mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in April
Graffham, United Kingdom
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is November (18.8 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in April
Graffham, United Kingdom
- Average snowfall in April: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Graffham, United Kingdom
- Average snowfall days in April: 0.1 days
The months with the highest number of snowfall days are January and February (1.8 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
Graffham, United Kingdom
- Average daylight in April: 13h and 54min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in April: 8h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in April
Graffham, United Kingdom
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is November (8.3 days).
Average UV index in April
Graffham, 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 and February (UV index 2).
Average cloud cover in April
Graffham, United Kingdom
- Average cloud cover in April: 42
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in April
Graffham, United Kingdom
- Average visibility in April: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





