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 refreshing 15.8°C (60.4°F), bearing a close resemblance to April. During May, the nighttime temperature averages to a frosty 7.7°C (45.9°F).Humidity
In May, the average relative humidity is 81%.Rainfall
In Great Waltham, in May, during 13.3 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Great Waltham, during the entire year, the rain falls for 156 days and collects up to 361mm (14.21") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 15h and 41min.On the first day of May in Great Waltham, United Kingdom, sunrise is at 5:27 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 4:45 am and sunset at 9:06 pm BST.
Sunshine
In Great Waltham, the average sunshine in May is 7.5h.UV index
In Great Waltham, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Great Waltham?
What is the average humidity in May in Great Waltham?
How much does it rain in Great Waltham in May?
When it does not snow in Great Waltham?
How many hours of daylight does Great Waltham have in May?
When are sunrise and sunset in May in Great Waltham?
How many hours of sunshine does Great Waltham have in May?
How high is the UV index in May in Great Waltham?
Average temperature in May
Great Waltham, United Kingdom
- Average high temperature in May: 15.8°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 (6.3°C).
- Average low temperature in May: 7.7°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 (2.2°C).
Average pressure in May
Great Waltham, United Kingdom
- Average pressure in May: 1016.8mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in May
Great Waltham, United Kingdom
- Average wind speed in May: 13.9km/h
The windiest month (with the highest average wind speed) is February (18.7km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in May
Great Waltham, United Kingdom
- Average humidity in May: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Great Waltham, United Kingdom
- Average rainfall in May: 26mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in May
Great Waltham, United Kingdom
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in May
Great Waltham, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Great Waltham, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4 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
Great Waltham, 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 3min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in May
Great Waltham, United Kingdom
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in May
Great Waltham, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are June and 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
Great Waltham, United Kingdom
- Average cloud cover in May: 51
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 46).
Average visibility in May
Great Waltham, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Great Waltham, United Kingdom
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