Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May signals a shift in the average high-temperature, moving from April's moderate 60.6°F (15.9°C) to a pleasant 71.2°F (21.8°C). Throughout May nights, London registers an average low-temperature of 54.3°F (12.4°C).Humidity
In London, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 18.9 days and accumulates 3.11" (79mm) of precipitation.Snowfall
In London, snow does not fall in May through October.Daylight
In London, the average length of the day in May is 14h and 24min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:28 pm. On the last day of May, in London, sunrise is at 6:07 am and sunset at 8:55 pm EDT.
Sunshine
The average sunshine in May in London is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in London?
What is the average humidity in May in London?
What is the wettest month in London?
How much does it rain in London in May?
When it does not snow in London?
Does it snow in London in May?
How many hours of daylight does London have in May?
When are sunrise and sunset in May in London?
How many hours of sunshine does London have in May?
What is the UV index reading in May in London?
Average temperature in May
London, OH
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in May
London, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
London, OH
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in May
London, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
London, OH
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in May
London, OH
- Average rainfall days in May: 18.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in May
London, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
London, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
London, OH
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
London, OH
- Average sunshine days in May: 10.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in May
London, OH
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
London, OH
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
London, OH
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
London, Ohio, USA
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