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
The rise of average high-temperatures is seen in May, with an increase from a mild 60.3°F (15.7°C) in April to an agreeable 72.1°F (22.3°C). In Altamont, May's nights observe an average temperature dip to a cool 50.7°F (10.4°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In May, in Altamont, Ohio, the rain falls for 20.9 days. Throughout May, 3.31" (84mm) of precipitation is accumulated. Throughout the year, there are 182 rainfall days, and 33.15" (842mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Altamont aggregates 0.16" (4mm) of snow. Throughout the year, in Altamont, there are 59.6 snowfall days, and 22.2" (564mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 26min.On the first day of May, sunrise is at 6:20 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:45 pm EDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In Altamont, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during May, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May in Altamont?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Altamont have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Altamont have in May?
How high is the UV index in May?
Average temperature in May
Altamont, OH
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in May
Altamont, OH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Altamont, OH
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in May
Altamont, OH
- Average humidity in May: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Altamont, OH
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in May
Altamont, OH
- Average rainfall days in May: 20.9 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in May
Altamont, OH
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Altamont, OH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Altamont, OH
- Average daylight in May: 14h and 2min
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 4min
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 0min).
Average sunshine days in May
Altamont, OH
- Average sunshine days in May: 8.3 days
The month with the most sunshine days is November (15 days).
The months with the least sunshine days are January and May (8.3 days).
Average UV index in May
Altamont, OH
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Altamont, OH
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Altamont, 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 and February (4mi).
Altamont, Ohio, USA
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