May weather forecastHalton, United Kingdom
May
Weather in May
The last month of the spring, May, is a mild month in Halton, United Kingdom, with an average temperature ranging between min 7.6°C (45.7°F) and max 15°C (59°F).Temperature
The onset of May notes an average high-temperature of a mild 15°C (59°F), subtly shifted from April's 12.5°C (54.5°F). During the nights in May, Halton observes an average low-temperature of 7.6°C (45.7°F).Humidity
The months with the lowest humidity in Halton are April and May, with an average relative humidity of 79%.Rainfall
In Halton, in May, it is raining for 16.8 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 203.8 rainfall days, and 519mm (20.43") of precipitation is accumulated.Snowfall
In Halton, snow does not fall in May through October.Daylight
In May, the average length of the day is 15h and 55min.On the first day of the month, sunrise is at 5:35 am and sunset at 8:40 pm. On the last day of May, sunrise is at 4:49 am and sunset at 9:27 pm BST.
Sunshine
The months with the most sunshine are April, May and July, with an average of 7.7h of sunshine.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during May translates into the following guidance:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Halton, United Kingdom
- Average high temperature in May: 15°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in May: 7.6°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (2.7°C).
Average pressure in May
Halton, 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 (1009mbar).
Average wind speed in May
Halton, United Kingdom
- Average wind speed in May: 14km/h
The windiest month (with the highest average wind speed) is January (18.5km/h).
The calmest month (with the lowest average wind speed) is June (12.5km/h).
Average humidity in May
Halton, United Kingdom
- Average humidity in May: 79%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in May
Halton, United Kingdom
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in May
Halton, United Kingdom
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is March (14.1 days).
Average snowfall in May
Halton, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Halton, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.2 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
Halton, United Kingdom
- Average daylight in May: 15h and 54min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in May: 7h and 42min
The months with the most sunshine are April, May and July (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Halton, United Kingdom
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is March (13.8 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in May
Halton, 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
Halton, United Kingdom
- Average cloud cover in May: 49
The months with the most cloud cover are January, November and December (Cloud cover 59).
The month with the least cloud cover is April (Cloud cover 48).
Average visibility in May
Halton, 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).
