May weather forecastGalena, OH
May
Weather in May
The last month of the spring, May, is a pleasant month in Galena, Ohio, with an average temperature fluctuating between 53.2°F (11.8°C) and 71.1°F (21.7°C).Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's moderate 59.9°F (15.5°C) to a pleasant 71.1°F (21.7°C). The average temperature drops to a cool 53.2°F (11.8°C) during the night in the month of May.Humidity
In Galena, the average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.6 days and typically aggregates up to 2.2" (56mm) of precipitation.Snowfall
In Galena, snow does not fall in May through October.Daylight
In Galena, the average length of the day in May is 14h and 26min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:27 pm. On the last day of May, sunrise is at 6:04 am and sunset at 8:54 pm EDT.
Sunshine
In May, the average sunshine is 9h.UV index
In Galena, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Galena, OH
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Galena, OH
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Galena, OH
- Average wind speed in May: 7.6mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Galena, OH
- Average humidity in May: 79%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April, October and November (76%).
Average rainfall in May
Galena, OH
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in May
Galena, OH
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (7 days).
Average snowfall in May
Galena, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Galena, OH
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.6 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
Galena, 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: 9h and 0min
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 30min).
Average sunshine days in May
Galena, OH
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in May
Galena, OH
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Galena, OH
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Galena, OH
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
