May weather forecastJohnby, United Kingdom
May
Weather in May
The last month of the spring, May, is another cool month in Johnby, United Kingdom, with temperature in the range of an average low of 5.4°C (41.7°F) and an average high of 12.7°C (54.9°F).Temperature
With May's arrival, Johnby notes an average high-temperature of a still cool 12.7°C (54.9°F), closely following the trend of the preceding month. Throughout May, the temperature in Johnby, United Kingdom, tends to fall to a consistent average low of 5.4°C (41.7°F).Humidity
The average relative humidity in May is 85%.Rainfall
In May, in Johnby, the rain falls for 20.6 days. Throughout May, 66mm (2.6") of precipitation is accumulated. In Johnby, during the entire year, the rain falls for 242.9 days and collects up to 963mm (37.91") of precipitation.Snowfall
In Johnby, snow does not fall in May through October.Daylight
The average length of the day in May is 16h and 7min.On the first day of the month, sunrise is at 5:30 am and sunset at 8:46 pm. On the last day of May, sunrise is at 4:42 am and sunset at 9:36 pm BST.
Sunshine
The average sunshine in May is 6.7h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during May translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Johnby, United Kingdom
- Average high temperature in May: 12.7°C
The warmest month (with the highest average high temperature) is July (16.7°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in May: 5.4°C
The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in May
Johnby, United Kingdom
- Average pressure in May: 1015.9mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008mbar).
Average wind speed in May
Johnby, United Kingdom
- Average wind speed in May: 14.5km/h
The windiest month (with the highest average wind speed) is December (19.9km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in May
Johnby, United Kingdom
- Average humidity in May: 85%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (84%).
Average rainfall in May
Johnby, United Kingdom
- Average rainfall in May: 66mm
The wettest month (with the highest rainfall) is December (101mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in May
Johnby, United Kingdom
- Average rainfall days in May: 20.6 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is February (16.3 days).
Average snowfall in May
Johnby, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Johnby, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.1 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
Johnby, United Kingdom
- Average daylight in May: 16h and 6min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in May: 6h and 42min
The month with the most sunshine is April (Average sunshine: 6h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).
Average sunshine days in May
Johnby, United Kingdom
- Average sunshine days in May: 7.7 days
The month with the most sunshine days is April (9.9 days).
The months with the least sunshine days are July and August (4.4 days).
Average UV index in May
Johnby, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June and July (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
Johnby, United Kingdom
- Average cloud cover in May: 57
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in May
Johnby, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are March, April and May (9km).
The months with the lowest visibility are January, February, June, July, August, September, October, November and December (8km).





