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
Transitioning into May, Colney Heath records an average high-temperature of a comfortable 16.1°C (61°F), almost identical to April's 13.8°C (56.8°F). Nighttime temperatures in May average to a frosty 7.3°C (45.1°F) in Colney Heath.Humidity
The average relative humidity in May in Colney Heath is 80%.Rainfall
In Colney Heath, during May, the rain falls for 14.3 days and regularly aggregates up to 28mm (1.1") of precipitation. In Colney Heath, during the entire year, the rain falls for 159.2 days and collects up to 359mm (14.13") of precipitation.Snowfall
In Colney Heath, snow does not fall in April through October.Daylight
The average length of the day in May is 15h and 40min.On the first day of May, sunrise is at 5:30 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 4:48 am and sunset at 9:09 pm BST.
Sunshine
In Colney Heath, United Kingdom, the average sunshine in May is 7.4h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 4 suggests this advice:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average May temperature in Colney Heath?
What is the average humidity in May in Colney Heath?
How many days does it rain in May in Colney Heath?
When it does not snow in Colney Heath?
What is the average length of the day in May in Colney Heath?
When are sunrise and sunset in May in Colney Heath?
How long on average sun shines in May in Colney Heath?
What is the UV index reading in May in Colney Heath?
Average temperature in May
Colney Heath, United Kingdom
- Average high temperature in May: 16.1°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in May: 7.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in May
Colney Heath, United Kingdom
- Average pressure in May: 1016.7mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in May
Colney Heath, United Kingdom
- Average wind speed in May: 13.7km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in May
Colney Heath, United Kingdom
- Average humidity in May: 80%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall in May
Colney Heath, United Kingdom
- Average rainfall in May: 28mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in May
Colney Heath, United Kingdom
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in May
Colney Heath, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is December (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Colney Heath, United Kingdom
- Average snowfall days in May: 0 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 May /
Average sunshine in May
Colney Heath, 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 months with the most sunshine are July and August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in May
Colney Heath, United Kingdom
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Colney Heath, 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, March, November and December (UV index 2).
Average cloud cover in May
Colney Heath, United Kingdom
- Average cloud cover in May: 52
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in May
Colney Heath, United Kingdom
- Average visibility in May: 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).
Colney Heath, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
