May weather forecastHalwill, United Kingdom
May
Weather in May
The last month of the spring, May, is a moderate month in Halwill, United Kingdom, with an average temperature ranging between max 15°C (59°F) and min 7.4°C (45.3°F).Temperature
During May, Halwill records an average high-temperature of a mild 15°C (59°F), marking a slight divergence from April's 12.5°C (54.5°F). In May, Halwill encounters an average low-temperature of 7.4°C (45.3°F) during the night.Humidity
April and May, with an average relative humidity of 83%, are the least humid months.Rainfall
The month with the least rainfall is May, when the rain falls for 15.4 days and typically collects 28mm (1.1") of precipitation.Snowfall
In Halwill, snow does not fall in May through November.Daylight
In Halwill, the average length of the day in May is 15h and 32min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:38 pm. On the last day of May, in Halwill, sunrise is at 5:09 am and sunset at 9:20 pm BST.
Sunshine
With an average of 7.5h of sunshine, May has the most sunshine of the year in Halwill.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Halwill. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Halwill, United Kingdom
- Average high temperature in May: 15°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in May: 7.4°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (3°C).
Average pressure in May
Halwill, United Kingdom
- Average pressure in May: 1017mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in May
Halwill, United Kingdom
- Average wind speed in May: 15.2km/h
The windiest month (with the highest average wind speed) is February (21km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).
Average humidity in May
Halwill, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in May
Halwill, United Kingdom
- Average rainfall in May: 28mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is May (28mm).
Average rainfall days in May
Halwill, United Kingdom
- Average rainfall days in May: 15.4 days
The month with the highest number of rainy days is January (19.3 days).
The months with the least rainy days are April and September (15 days).
Average snowfall in May
Halwill, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Halwill, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.3 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
Halwill, United Kingdom
- Average daylight in May: 15h and 30min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in May: 7h and 30min
The month with the most sunshine is May (Average sunshine: 7h and 30min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).
Average sunshine days in May
Halwill, United Kingdom
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is March (12.4 days).
The month with the least sunshine days is November (7.8 days).
Average UV index in May
Halwill, 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
Halwill, United Kingdom
- Average cloud cover in May: 52
The month with the most cloud cover is November (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 52).
Average visibility in May
Halwill, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
