May weather forecastPenryn, United Kingdom
May weather for Penryn, United Kingdom: The last month of the spring, May, is a moderate month in Penryn, United Kingdom, with temperature in the range of an average low of 10.3°C (50.5°F) and an average high of 13.3°C (55.9°F). On the last day of May, in Penryn, United Kingdom, sunrise is at 5:15 am and sunset at 9:20 pm BST.
May
Weather in May
The last month of the spring, May, is a moderate month in Penryn, United Kingdom, with temperature in the range of an average low of 10.3°C (50.5°F) and an average high of 13.3°C (55.9°F).Temperature
May's onset records an average high-temperature of a mild 13.3°C (55.9°F), a near match to April's 11.3°C (52.3°F). Penryn in May observes a slight diminution in temperature from daily highs, recording a low-temperature average of 10.3°C (50.5°F).Humidity
In May, the average relative humidity in Penryn is 83%.Rainfall
In Penryn, United Kingdom, in May, it is raining for 10.3 days, with typically 20mm (0.79") of accumulated precipitation. Throughout the year, in Penryn, there are 159.4 rainfall days, and 367mm (14.45") of precipitation is accumulated.Snowfall
January, March through November are months without snowfall in Penryn.Sea temperature
In Penryn, in May, the average water temperature is 12°C (53.6°F).Note: Caution: 12°C (53.6°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing.
Daylight
In May, the average length of the day is 15h and 28min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:39 pm. On the last day of May, in Penryn, United Kingdom, sunrise is at 5:15 am and sunset at 9:20 pm BST.
Sunshine
In May, the average sunshine is 8.4h.UV index
In Penryn, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Penryn, United Kingdom
- Average high temperature in May: 13.3°C
The warmest month (with the highest average high temperature) is August (17.6°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in May: 10.3°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).
Average pressure in May
Penryn, United Kingdom
- Average pressure in May: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in May
Penryn, United Kingdom
- Average wind speed in May: 20.8km/h
The windiest month (with the highest average wind speed) is December (31.6km/h).
The calmest month (with the lowest average wind speed) is July (19.9km/h).
Average humidity in May
Penryn, United Kingdom
- Average humidity in May: 83%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is February (79%).
Average rainfall in May
Penryn, United Kingdom
- Average rainfall in May: 20mm
The wettest month (with the highest rainfall) is November (55mm).
The driest month (with the least rainfall) is July (18mm).
Average rainfall days in May
Penryn, United Kingdom
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is November (17.1 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in May
Penryn, United Kingdom
- Average snowfall in May: 0mm
The months with the highest snowfall are February and December (1mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Penryn, United Kingdom
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are February and December (0.5 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average sea temperature in May
Penryn, United Kingdom
- Average sea temperature in May: 12°C
The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).
Average daylight in May /
Average sunshine in May
Penryn, United Kingdom
- Average daylight in May: 15h and 30min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 8h and 24min
The months with the most sunshine are April and July (Average sunshine: 8h and 30min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in May
Penryn, United Kingdom
- Average sunshine days in May: 17.5 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is November (10.2 days).
Average UV index in May
Penryn, United Kingdom
- Average UV index in May: 4
The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Penryn, United Kingdom
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in May
Penryn, United Kingdom
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
