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 start of May signals an increase in the average high-temperature, moving from a mild 60.6°F (15.9°C) in April to an agreeable 71.2°F (21.8°C). Throughout May nights, South Vienna experiences a consistent temperature average of 54.3°F (12.4°C).Humidity
The average relative humidity in May is 79%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.8 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
In South Vienna, snow does not fall in May through October.Daylight
In May, the average length of the day in South Vienna is 14h and 24min.On the first day of May, sunrise is at 6:33 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:56 pm EDT.
Sunshine
The average sunshine in May in South Vienna is 8.9h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in South Vienna?
What is the average humidity in May in South Vienna?
What is the rainiest month in South Vienna?
How much does it rain in South Vienna in May?
When it does not snow in South Vienna?
Does it snow in South Vienna in May?
How many hours of daylight does South Vienna have in May?
When is the sunrise / sunset in May in South Vienna?
How many hours of sunshine does South Vienna have in May?
How high is the UV index in May in South Vienna?
Average temperature in May
South Vienna, OH
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in May: 54.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in May
South Vienna, OH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
South Vienna, OH
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in May
South Vienna, OH
- Average humidity in May: 79%
The months with the highest relative humidity are January, February and December (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
South Vienna, OH
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in May
South Vienna, OH
- Average rainfall days in May: 18.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
South Vienna, OH
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
South Vienna, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
South Vienna, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in May
South Vienna, OH
- Average sunshine days in May: 9.6 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in May
South Vienna, 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
South Vienna, OH
- Average cloud cover in May: 41
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
South Vienna, 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).
South Vienna, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location