May weather forecastBelfast, OH
May
Weather in May
May, the last month of the spring in Belfast, is a pleasant month, with an average temperature fluctuating between 54.9°F (12.7°C) and 72.5°F (22.5°C).Temperature
As May begins, there is an increase in the average high-temperature, moving from a refreshing 62.8°F (17.1°C) in April to a pleasant 72.5°F (22.5°C). The average temperature during May nights is registered at a cool 54.9°F (12.7°C).Humidity
The average relative humidity in May is 80%.Rainfall
May is the month with the most rainfall. Rain falls for 20 days and accumulates 3.98" (101mm) of precipitation.Snowfall
In Belfast, Ohio, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 20min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:27 pm. On the last day of May, sunrise is at 6:10 am and sunset at 8:53 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Belfast, OH
- Average high temperature in May: 72.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in May: 54.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in May
Belfast, OH
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Belfast, OH
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in May
Belfast, OH
- Average humidity in May: 80%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Belfast, OH
- Average rainfall in May: 3.98"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Belfast, OH
- Average rainfall days in May: 20 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in May
Belfast, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Belfast, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Belfast, OH
- Average daylight in May: 14h and 18min
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: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Belfast, OH
- Average sunshine days in May: 8.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in May
Belfast, 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
Belfast, 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 29).
Average visibility in May
Belfast, OH
- Average visibility in May: 5mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
