May weather forecastSwaffham, United Kingdom
May
Weather in May
May, the last month of the spring in Swaffham, is a mild month, with an average temperature varying between 8°C (46.4°F) and 15.2°C (59.4°F).Temperature
Swaffham, United Kingdom, experiences an average high-temperature of a mild 15.2°C (59.4°F) in May, subtly different from April's 12.8°C (55°F). Swaffham's nighttime temperature during May is consistently averaged at a frosty 8°C (46.4°F).Humidity
In May, the average relative humidity in Swaffham is 80%.Rainfall
In Swaffham, United Kingdom, in May, during 16.1 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, there are 173.5 rainfall days, and 370mm (14.57") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day in Swaffham is 15h and 48min.On the first day of May, sunrise is at 5:23 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 4:39 am and sunset at 9:10 pm BST.
Sunshine
The average sunshine in May is 7.7h.UV index
In May, the average daily maximum UV index in Swaffham, United Kingdom, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Swaffham, United Kingdom
- Average high temperature in May: 15.2°C
The warmest month (with the highest average high temperature) is August (20.4°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in May: 8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in May
Swaffham, United Kingdom
- Average pressure in May: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in May
Swaffham, United Kingdom
- Average wind speed in May: 15.2km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is July (13.5km/h).
Average humidity in May
Swaffham, United Kingdom
- Average humidity in May: 80%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (77%).
Average rainfall in May
Swaffham, United Kingdom
- Average rainfall in May: 26mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in May
Swaffham, United Kingdom
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in May
Swaffham, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Swaffham, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4 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
Swaffham, United Kingdom
- Average daylight in May: 15h and 48min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in May: 7h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in May
Swaffham, United Kingdom
- Average sunshine days in May: 11.6 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in May
Swaffham, United Kingdom
- Average UV index in May: 4
The month with the highest UV index is 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
Swaffham, United Kingdom
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 45).
Average visibility in May
Swaffham, United Kingdom
- Average visibility in May: 9km
The month with the highest visibility is March (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (9km).
