Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As Ironton transitions into May, a rise in the average high-temperature is observed, moving from an enjoyable 66°F (18.9°C) in April to a warm 75.9°F (24.4°C). During May, Ironton consistently records a temperature low averaging a cool 54.7°F (12.6°C).Humidity
In Ironton, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall in Ironton. Rain falls for 17 days and accumulates 2.05" (52mm) of precipitation.Snowfall
May through September are months without snowfall in Ironton.Daylight
In May, the average length of the day is 14h and 17min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:08 am and sunset at 8:48 pm EDT.
Sunshine
The average sunshine in May is 9h.UV index
The months with the highest UV index in Ironton are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, a regular UV index of 6 translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ironton in May?
What is the average humidity in May in Ironton?
What is the rainiest month in Ironton?
How many days does it rain in May in Ironton?
When it does not snow in Ironton?
Does it snow in Ironton in May?
How many hours of daylight does Ironton have in May?
When are sunrise and sunset in May in Ironton?
How long on average sun shines in May in Ironton?
What are the months with the highest UV index in Ironton?
How high is the UV index in May in Ironton?
Average temperature in May
Ironton, OH
- Average high temperature in May: 75.9°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in May: 54.7°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 (25.2°F).
Average pressure in May
Ironton, OH
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in May
Ironton, OH
- Average wind speed in May: 5.8mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Ironton, OH
- Average humidity in May: 77%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Ironton, OH
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in May
Ironton, OH
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in May
Ironton, OH
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Ironton, OH
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.7 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
Ironton, OH
- Average daylight in May: 14h and 2min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Ironton, OH
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in May
Ironton, 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
Ironton, OH
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Ironton, OH
- Average visibility in May: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).
Ironton, Ohio, USA
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