Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May is marked by an average high-temperature of a still mild 15.8°C (60.4°F), bearing a close resemblance to April. An average nighttime temperature of 6.6°C (43.9°F) is noted during the month of May.Humidity
In Grendon Underwood, the average relative humidity in May is 82%.Rainfall
In Grendon Underwood, in May, it is raining for 16.5 days, with typically 35mm (1.38") of accumulated precipitation. In Grendon Underwood, during the entire year, the rain falls for 187.4 days and collects up to 476mm (18.74") of precipitation.Snowfall
April through November are months without snowfall in Grendon Underwood.Daylight
In Grendon Underwood, the average length of the day in May is 15h and 41min.On the first day of May, sunrise is at 5:33 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 4:50 am and sunset at 9:12 pm BST.
Sunshine
In Grendon Underwood, the average sunshine in May is 7.3h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 4 in May translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are the temperatures in Grendon Underwood in May?
What is the average humidity in May in Grendon Underwood?
How much does it rain in Grendon Underwood in May?
When it does not snow in Grendon Underwood?
How many hours of daylight does Grendon Underwood have in May?
When are sunrise and sunset in May in Grendon Underwood?
How many hours of sunshine does Grendon Underwood have in May?
What is the UV index intensity in May in Grendon Underwood?
Average temperature in May
Grendon Underwood, United Kingdom
- Average high temperature in May: 15.8°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in May: 6.6°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in May
Grendon Underwood, United Kingdom
- Average pressure in May: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in May
Grendon Underwood, United Kingdom
- Average wind speed in May: 13.6km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in May
Grendon Underwood, United Kingdom
- Average humidity in May: 82%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (78%).
Average rainfall in May
Grendon Underwood, United Kingdom
- Average rainfall in May: 35mm
The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in May
Grendon Underwood, United Kingdom
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in May
Grendon Underwood, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are January and February (17mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Grendon Underwood, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Grendon Underwood, United Kingdom
- Average daylight in May: 15h and 4min
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 May: 7h and 2min
The month with the most sunshine is July (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in May
Grendon Underwood, United Kingdom
- Average sunshine days in May: 10 days
The month with the most sunshine days is March (14.6 days).
The month with the least sunshine days is August (6.7 days).
Average UV index in May
Grendon Underwood, United Kingdom
- Average UV index in May: 4
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 May
Grendon Underwood, United Kingdom
- Average cloud cover in May: 53
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in May
Grendon Underwood, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are January, September, October and November (8km).
Grendon Underwood, United Kingdom
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