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
May
Weather in May
Temperature
The onset of May notes an average high-temperature of a moderate 13°C (55.4°F), subtly shifted from April's 10.8°C (51.4°F). Throughout the nights in May, an average low-temperature of 7.4°C (45.3°F) is noted.Humidity
April, May and August, with an average relative humidity of 80%, are the least humid months.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 27mm (1.06") of precipitation is accumulated. In Allerston, during the entire year, the rain falls for 174.8 days and collects up to 441mm (17.36") of precipitation.Snowfall
January through May, October through December are months with snowfall in Allerston, United Kingdom. May is the last month it regularly snows in Allerston. During 0.2 snowfall days, in May, Allerston aggregates 1mm (0.04") of snow. In Allerston, during the entire year, snow falls for 20.4 days and aggregates up to 142mm (5.59") of snow.Daylight
The average length of the day in May is 16h and 2min.On the first day of May in Allerston, sunrise is at 5:23 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 4:36 am and sunset at 9:24 pm BST.
Sunshine
In Allerston, the average sunshine in May is 7.6h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 in May translates into these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Allerston?
What is the least humid month in Allerston?
What is the average humidity in May in Allerston?
How many days does it rain in May in Allerston?
What is the last month it snows in Allerston?
What is the average length of the day in May in Allerston?
What time are sunrise and sunset in May in Allerston?
How long on average sun shines in May in Allerston?
When is the highest UV index in Allerston?
What is the UV index intensity in May in Allerston?
Average temperature in May
Allerston, United Kingdom
- Average high temperature in May: 13°C
The warmest month (with the highest average high temperature) is August (17.9°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in May: 7.4°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in May
Allerston, 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 (1008.5mbar).
Average wind speed in May
Allerston, United Kingdom
- Average wind speed in May: 15.9km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is June (14.1km/h).
Average humidity in May
Allerston, United Kingdom
- Average humidity in May: 80%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are April, May and August (80%).
Average rainfall in May
Allerston, United Kingdom
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in May
Allerston, United Kingdom
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (11.2 days).
Average snowfall in May
Allerston, United Kingdom
- Average snowfall in May: 1mm
The month with the highest snowfall is January (54mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Allerston, United Kingdom
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Allerston, United Kingdom
- Average daylight in May: 16h and 0min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Allerston, United Kingdom
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in May
Allerston, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (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
Allerston, United Kingdom
- Average cloud cover in May: 50
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in May
Allerston, United Kingdom
- Average visibility in May: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
