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
The commencement of May sees a shift in the average high-temperature, moving from an enjoyable 63.1°F (17.3°C) in April to a moderately hot 73.8°F (23.2°C). Throughout the month of May, Londonderry observes an average nighttime temperature of 54.1°F (12.3°C).Humidity
In Londonderry, Ohio, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 17.9 days and accumulates 2.95" (75mm) of precipitation.Snowfall
In Londonderry, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 21min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:24 pm. On the last day of May, in Londonderry, sunrise is at 6:06 am and sunset at 8:51 pm EDT.
Sunshine
In Londonderry, the average sunshine in May is 9.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 during May translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat. 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 are the temperatures in Londonderry in May?
What is the average humidity in May in Londonderry?
What is the wettest month in Londonderry?
How many days does it rain in May in Londonderry?
When it does not snow in Londonderry?
Does it snow in Londonderry in May?
What is the average length of the day in May in Londonderry?
What time are sunrise and sunset in May in Londonderry?
How many hours of sunshine does Londonderry have in May?
What is the UV index intensity in May in Londonderry?
Average temperature in May
Londonderry, OH
- Average high temperature in May: 73.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Londonderry, OH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Londonderry, OH
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Londonderry, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Londonderry, OH
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Londonderry, OH
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in May
Londonderry, OH
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Londonderry, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Londonderry, OH
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Londonderry, OH
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in May
Londonderry, OH
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Londonderry, OH
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Londonderry, OH
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, May, July and September (5mi).
Londonderry, Ohio, USA
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