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
May's average high-temperature is a moderate 14.3°C (57.7°F), maintaining a close comparison with April's 11.9°C (53.4°F). The average temperature during May nights dips to a chilly 6.1°C (43°F).Humidity
April and May, with an average relative humidity of 82%, are the least humid months in Blackburn.Rainfall
In Blackburn, in May, during 16.7 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Blackburn, there are 208.9 rainfall days, and 592mm (23.31") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 15h and 58min.On the first day of the month, sunrise is at 5:32 am and sunset at 8:41 pm. On the last day of May, in Blackburn, sunrise is at 4:46 am and sunset at 9:29 pm BST.
Sunshine
In May, the average sunshine is 7h.UV index
The months with the highest UV index in Blackburn are May through August, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What are the temperatures in Blackburn in May?
What is the least humid month in Blackburn?
What is the average humidity in May in Blackburn?
How much does it rain in Blackburn in May?
When it does not snow in Blackburn?
Does it snow in Blackburn in May?
How many hours of daylight does Blackburn have in May?
When is the sunrise / sunset in May in Blackburn?
How long on average sun shines in May in Blackburn?
What are the months with the highest UV index in Blackburn?
What is the UV index intensity in May in Blackburn?
Average temperature in May
Blackburn, United Kingdom
- Average high temperature in May: 14.3°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in May: 6.1°C
The month with the highest average low temperature is August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in May
Blackburn, United Kingdom
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in May
Blackburn, United Kingdom
- Average wind speed in May: 14.4km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest months (with the lowest average wind speed) are June and July (12.5km/h).
Average humidity in May
Blackburn, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in May
Blackburn, United Kingdom
- Average rainfall in May: 33mm
The wettest months (with the highest rainfall) are August and December (66mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in May
Blackburn, United Kingdom
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is August (21.4 days).
The month with the least rainy days is February (14.3 days).
Average snowfall in May
Blackburn, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Blackburn, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.2 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
Blackburn, United Kingdom
- Average daylight in May: 16h and 0min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in May: 7h and 0min
The month with the most sunshine is April (Average sunshine: 7h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in May
Blackburn, United Kingdom
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is April (12 days).
The month with the least sunshine days is August (5.4 days).
Average UV index in May
Blackburn, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Blackburn, United Kingdom
- Average cloud cover in May: 53
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in May
Blackburn, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June and October (9km).
The months with the lowest visibility are January, July, August, September, November and December (8km).
Blackburn, United Kingdom
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