May weather forecastOld Washington, OH
May
Weather in May
The last month of the spring, May, is an agreeable month in Old Washington, Ohio, with an average temperature fluctuating between 72.9°F (22.7°C) and 52°F (11.1°C).Temperature
As Old Washington transitions into May, the average high-temperature shows a change, moving from a refreshing 61.5°F (16.4°C) in April to an agreeable 72.9°F (22.7°C). Old Washington anticipates an average minimum temperature of 52°F (11.1°C) in the month of May.Humidity
In May, the average relative humidity is 79%.Rainfall
In Old Washington, during May, the rain falls for 14.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Old Washington, during the entire year, the rain falls for 123.8 days and collects up to 11.3" (287mm) of precipitation.Snowfall
In Old Washington, snow does not fall in May through September.Daylight
In Old Washington, the average length of the day in May is 14h and 25min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:20 pm. On the last day of May, sunrise is at 5:58 am and sunset at 8:48 pm EDT.
Sunshine
In Old Washington, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 in May translates into these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Old Washington, OH
- Average high temperature in May: 72.9°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°F).
- Average low temperature in May: 52°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in May
Old Washington, OH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Old Washington, OH
- Average wind speed in May: 5.9mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Old Washington, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in May
Old Washington, OH
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is June (1.26").
The driest months (with the least rainfall) are September and November (0.67").
Average rainfall days in May
Old Washington, OH
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in May
Old Washington, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Old Washington, OH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Old Washington, 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 24min).
- Average sunshine in May: 8h and 30min
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 12min).
Average sunshine days in May
Old Washington, OH
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in May
Old Washington, 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
Old Washington, OH
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Old Washington, 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, February, March, May, June, July, August, September, October and December (5mi).





