May weather forecastGrayrigg, United Kingdom
May
Weather in May
The last month of the spring, May, is a cool month in Grayrigg, United Kingdom, with an average temperature varying between 4.3°C (39.7°F) and 12.2°C (54°F).Temperature
The introduction of May sees an average high-temperature of a cool 12.2°C (54°F), hardly deviating from April. The month of May records an average low-temperature of 4.3°C (39.7°F) in Grayrigg.Humidity
April and May, with an average relative humidity of 86%, are the least humid months.Rainfall
In Grayrigg, during May, the rain falls for 19.7 days and regularly aggregates up to 55mm (2.17") of precipitation. In Grayrigg, during the entire year, the rain falls for 219.4 days and collects up to 817mm (32.17") of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Grayrigg aggregates 1mm (0.04") of snow. In Grayrigg, United Kingdom, during the entire year, snow falls for 27.4 days and aggregates up to 336mm (13.23") of snow.Daylight
In May, the average length of the day in Grayrigg is 16h and 4min.On the first day of May in Grayrigg, sunrise is at 5:31 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 4:43 am and sunset at 9:33 pm BST.
Sunshine
The months with the most sunshine are April and May, with an average of 5.7h of sunshine.UV index
In Grayrigg, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 3 during May translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grayrigg, United Kingdom
- Average high temperature in May: 12.2°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in May: 4.3°C
The month with the highest average low temperature is August (9.1°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in May
Grayrigg, United Kingdom
- Average pressure in May: 1016mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in May
Grayrigg, United Kingdom
- Average wind speed in May: 14.2km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest months (with the lowest average wind speed) are June and July (12.1km/h).
Average humidity in May
Grayrigg, United Kingdom
- Average humidity in May: 86%
The months with the highest relative humidity are January, November and December (93%).
The months with the lowest relative humidity are April and May (86%).
Average rainfall in May
Grayrigg, United Kingdom
- Average rainfall in May: 55mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in May
Grayrigg, United Kingdom
- Average rainfall days in May: 19.7 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (13.3 days).
Average snowfall in May
Grayrigg, United Kingdom
- Average snowfall in May: 1mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Grayrigg, United Kingdom
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Grayrigg, United Kingdom
- Average daylight in May: 16h and 6min
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: 5h and 42min
The months with the most sunshine are April and May (Average sunshine: 5h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in May
Grayrigg, United Kingdom
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is March (11.6 days).
The month with the least sunshine days is July (4.5 days).
Average UV index in May
Grayrigg, United Kingdom
- Average UV index in May: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Grayrigg, United Kingdom
- Average cloud cover in May: 64
The months with the most cloud cover are January, November and December (Cloud cover 75).
The month with the least cloud cover is April (Cloud cover 62).
Average visibility in May
Grayrigg, United Kingdom
- Average visibility in May: 8km
The months with the highest visibility are February, March, April, May, June and October (8km).
The months with the lowest visibility are January, July, August, September, November and December (7km).





