May weather forecastRichmond, OH
May
Weather in May
The last month of the spring, May, is an agreeable month in Richmond, Ohio, with an average temperature fluctuating between 50.7°F (10.4°C) and 72.1°F (22.3°C).Temperature
The arrival of May brings a temperature shift, with the average high-temperature escalating from a mild 60.3°F (15.7°C) in April to an agreeable 72.1°F (22.3°C). In the month of May, Richmond records a consistent average low-temperature of 50.7°F (10.4°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In Richmond, during May, the rain falls for 20.9 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Richmond, Ohio, during the entire year, the rain falls for 182 days and collects up to 33.15" (842mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Richmond aggregates 0.16" (4mm) of snow. In Richmond, Ohio, during the entire year, snow falls for 59.6 days and aggregates up to 22.2" (564mm) of snow.Daylight
The average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 6:21 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:46 pm EDT.
Sunshine
In Richmond, the average sunshine in May is 8.7h.UV index
In Richmond, Ohio, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Ensure safety - Sun damage prevention is strongly urged. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. 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
Richmond, OH
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Richmond, OH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Richmond, OH
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Richmond, OH
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Richmond, OH
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in May
Richmond, OH
- Average rainfall days in May: 20.9 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in May
Richmond, OH
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Richmond, OH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Richmond, OH
- Average daylight in May: 14h and 24min
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 18min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Richmond, OH
- Average sunshine days in May: 8.3 days
The month with the most sunshine days is November (15 days).
The months with the least sunshine days are January and May (8.3 days).
Average UV index in May
Richmond, OH
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Richmond, OH
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Richmond, OH
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).





