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
With the onset of April, Greenwich's weather sees a minor temperature rise, transitioning from a fresh 10.6°C (51.1°F) in March to a mild 14.1°C (57.4°F). Greenwich's average low-temperature is measured at an icy 5.7°C (42.3°F) during April.Humidity
In Greenwich, the average relative humidity in April is 77%.Rainfall
April is the month with the least rainfall in Greenwich. Rain falls for 12.5 days and accumulates 17mm (0.67") of precipitation.Snowfall
January through April, November and December are months with snowfall in Greenwich, United Kingdom. April is the last month it regularly snows in Greenwich. During 0.4 snowfall days, in April, Greenwich aggregates 1mm (0.04") of snow. Throughout the year, in Greenwich, there are 9.1 snowfall days, and 48mm (1.89") of snow is accumulated.Daylight
The average length of the day in April in Greenwich is 13h and 54min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:33 pm. On the last day of April, in Greenwich, United Kingdom, sunrise is at 5:32 am and sunset at 8:21 pm BST.
Sunshine
In April, the average sunshine in Greenwich is 7.5h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What are the temperatures in Greenwich in April?
What is the average humidity in April in Greenwich?
What is the driest month in Greenwich?
How many days does it rain in April in Greenwich?
What is the last month it snows in Greenwich?
How many hours of daylight does Greenwich have in April?
When is the sunrise / sunset in April in Greenwich?
How many hours of sunshine does Greenwich have in April?
How high is the UV index in April in Greenwich?
Average temperature in April
Greenwich, United Kingdom
- Average high temperature in April: 14.1°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in April: 5.7°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).
Average pressure in April
Greenwich, 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 (1010.6mbar).
Average wind speed in April
Greenwich, United Kingdom
- Average wind speed in April: 13.4km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is September (12.7km/h).
Average humidity in April
Greenwich, United Kingdom
- Average humidity in April: 77%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in April
Greenwich, United Kingdom
- Average rainfall in April: 17mm
The wettest month (with the highest rainfall) is June (33mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in April
Greenwich, United Kingdom
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in April
Greenwich, United Kingdom
- Average snowfall in April: 1mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in April
Greenwich, United Kingdom
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (3.5 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
Greenwich, 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 August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in April
Greenwich, United Kingdom
- Average sunshine days in April: 14.8 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in April
Greenwich, 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, March, November and December (UV index 2).
Average cloud cover in April
Greenwich, United Kingdom
- Average cloud cover in April: 50
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 49).
Average visibility in April
Greenwich, 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).
Greenwich, United Kingdom
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