May weather forecastRoseville, OH
May
Weather in May
The last month of the spring, May, is an agreeable month in Roseville, Ohio, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 73°F (22.8°C).Temperature
May indicates a change in the average high-temperature, moving up from a comfortable 62.1°F (16.7°C) in April to an agreeable 73°F (22.8°C). Roseville records an average nighttime low-temperature of 52.5°F (11.4°C) throughout May.Humidity
The average relative humidity in May in Roseville is 79%.Rainfall
May is the month with the most rainfall in Roseville. Rain falls for 17.4 days and accumulates 2.64" (67mm) of precipitation.Snowfall
In Roseville, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 23min.On the first day of May in Roseville, Ohio, sunrise is at 6:27 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:50 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 moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Roseville, OH
- Average high temperature in May: 73°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in May: 52.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in May
Roseville, 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
Roseville, OH
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Roseville, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Roseville, OH
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Roseville, OH
- Average rainfall days in May: 17.4 days
The months with the highest number of rainy days are May and July (17.4 days).
The months with the least rainy days are February and November (8.4 days).
Average snowfall in May
Roseville, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Roseville, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.7 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
Roseville, OH
- Average daylight in May: 14h and 24min
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 24min).
- 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 30min).
Average sunshine days in May
Roseville, OH
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in May
Roseville, OH
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Roseville, OH
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Roseville, OH
- Average visibility in May: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).





