May weather forecastGallipolis, OH
May
Weather in May
The last month of the spring, May, is a moderately hot month in Gallipolis, Ohio, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 54.5°F (12.5°C).Temperature
May marks a rise in the average high-temperature, moving from April's refreshing 64.9°F (18.3°C) to a warm 75.4°F (24.1°C). In Gallipolis, the average temperature during the nights of May drops to a fresh 54.5°F (12.5°C).Humidity
In Gallipolis, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall in Gallipolis is May, when the rain falls for 17.8 days and typically aggregates up to 1.93" (49mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May in Gallipolis, Ohio, is 14h and 19min.On the first day of May in Gallipolis, sunrise is at 6:30 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:47 pm EDT.
Sunshine
In Gallipolis, the average sunshine in May is 9.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Gallipolis, OH
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Gallipolis, OH
- Average pressure in May: 30"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Gallipolis, OH
- Average wind speed in May: 5.7mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
Gallipolis, OH
- Average humidity in May: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Gallipolis, OH
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is November (0.83").
Average rainfall days in May
Gallipolis, OH
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in May
Gallipolis, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Gallipolis, OH
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Gallipolis, OH
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Gallipolis, OH
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in May
Gallipolis, OH
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in May
Gallipolis, OH
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Gallipolis, OH
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
