May weather forecastBoreham, United Kingdom
May
Weather in May
The last month of the spring, May, is another refreshing month in Boreham, United Kingdom, with an average temperature ranging between min 7.7°C (45.9°F) and max 15.8°C (60.4°F).Temperature
The beginning of May records an average high-temperature of a still moderate 15.8°C (60.4°F), almost echoing the conditions of the previous month. Boreham experiences an average low-temperature of 7.7°C (45.9°F) in the month of May.Humidity
The average relative humidity in May is 81%.Rainfall
In May, the rain falls for 13.3 days. Throughout May, 26mm (1.02") of precipitation is accumulated. In Boreham, United Kingdom, 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
The average length of the day in May is 15h and 40min.On the first day of May in Boreham, 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
The average sunshine in May in Boreham is 7.5h.UV index
In Boreham, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during May leads to these advisories:
Take precautions - Protection against sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Boreham, 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
Boreham, 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
Boreham, 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
Boreham, 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
Boreham, 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
Boreham, 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
Boreham, 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
Boreham, 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
Boreham, United Kingdom
- Average daylight in May: 15h and 42min
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 30min
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
Boreham, 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
Boreham, 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
Boreham, 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
Boreham, 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).





