May weather forecastLeiston, United Kingdom
May weather for Leiston, United Kingdom: On the last day of the month, in Leiston, United Kingdom, sunrise is at 4:38 am and sunset at 9:04 pm BST. In Leiston, United Kingdom, snow does not fall in April through October.
May
Weather in May
May, the last month of the spring in Leiston, is a refreshing month, with an average temperature varying between 9.7°C (49.5°F) and 13.3°C (55.9°F).Temperature
The transition into May shows a subtle variation to a refreshing 13.3°C (55.9°F) from April's 10.8°C (51.4°F) in the average high-temperature. In May, Leiston temperatures settle at a low of 9.7°C (49.5°F) during the nights, reflecting a minor change from daytime highs.Humidity
In Leiston, the average relative humidity in May is 81%.Rainfall
In Leiston, United Kingdom, in May, it is raining for 14.3 days, with typically 27mm (1.06") of accumulated precipitation. In Leiston, United Kingdom, during the entire year, the rain falls for 188.4 days and collects up to 486mm (19.13") of precipitation.Snowfall
In Leiston, United Kingdom, snow does not fall in April through October.Daylight
In May, the average length of the day is 15h and 44min.On the first day of May, sunrise is at 5:21 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 4:38 am and sunset at 9:04 pm BST.
Sunshine
In Leiston, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Leiston is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Leiston, United Kingdom
- Average high temperature in May: 13.3°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.1°C).
- Average low temperature in May: 9.7°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in May
Leiston, United Kingdom
- Average pressure in May: 1016.7mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in May
Leiston, United Kingdom
- Average wind speed in May: 19.3km/h
The windiest month (with the highest average wind speed) is December (27.7km/h).
The calmest month (with the lowest average wind speed) is July (17.7km/h).
Average humidity in May
Leiston, United Kingdom
- Average humidity in May: 81%
The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in May
Leiston, United Kingdom
- Average rainfall in May: 27mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in May
Leiston, United Kingdom
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in May
Leiston, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Leiston, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.9 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
Leiston, United Kingdom
- Average daylight in May: 15h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Leiston, United Kingdom
- Average sunshine days in May: 14 days
The months with the most sunshine days are April and May (14 days).
The month with the least sunshine days is November (8 days).
Average UV index in May
Leiston, 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
Leiston, United Kingdom
- Average cloud cover in May: 44
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in May
Leiston, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
