May weather forecastCwmann, United Kingdom
May
Weather in May
The last month of the spring, May, is a refreshing month in Cwmann, United Kingdom, with an average temperature fluctuating between 7.9°C (46.2°F) and 13.6°C (56.5°F).Temperature
Cwmann, United Kingdom, ushers in May with an average high-temperature of a mild 13.6°C (56.5°F), showing a close resemblance to the previous month. May is noted for a mean low-temperature of 7.9°C (46.2°F).Humidity
In Cwmann, United Kingdom, the average relative humidity in May is 83%.Rainfall
The month with the least rainfall is May, when the rain falls for 16.3 days and typically collects 37mm (1.46") of precipitation.Snowfall
May through November are months without snowfall in Cwmann.Daylight
In Cwmann, United Kingdom, the average length of the day in May is 15h and 43min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:41 pm. On the last day of May, in Cwmann, United Kingdom, sunrise is at 5:01 am and sunset at 9:26 pm BST.
Sunshine
The month with the most sunshine is May, with an average of 8h of sunshine.UV index
The months with the highest UV index in Cwmann, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during May leads to these advisories:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cwmann, United Kingdom
- Average high temperature in May: 13.6°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in May: 7.9°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).
Average pressure in May
Cwmann, 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 (1009.4mbar).
Average wind speed in May
Cwmann, United Kingdom
- Average wind speed in May: 16km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.8km/h).
Average humidity in May
Cwmann, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are January, August, September and December (86%).
The month with the lowest relative humidity is April (82%).
Average rainfall in May
Cwmann, United Kingdom
- Average rainfall in May: 37mm
The wettest months (with the highest rainfall) are November and December (92mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in May
Cwmann, United Kingdom
- Average rainfall days in May: 16.3 days
The months with the highest number of rainy days are November and December (21.7 days).
The month with the least rainy days is April (15.8 days).
Average snowfall in May
Cwmann, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are January and December (9mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Cwmann, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (1.7 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
Cwmann, 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 0min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Cwmann, United Kingdom
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in May
Cwmann, 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, November and December (UV index 2).
Average cloud cover in May
Cwmann, United Kingdom
- Average cloud cover in May: 48
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in May
Cwmann, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
