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 shift into May is characterized by a rise in the average high-temperature, transitioning from April's enjoyable 64.9°F (18.3°C) to a warm 74.1°F (23.4°C). The average temperature during May nights dips to a refreshing 57.6°F (14.2°C).Humidity
With an average relative humidity of 81%, May is the most humid month.Rainfall
In Petersburg, in May, during 18.2 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Petersburg, during the entire year, the rain falls for 151.2 days and collects up to 26.3" (668mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Petersburg, the average length of the day in May is 14h and 17min.On the first day of the month, sunrise is at 6:50 am and sunset at 8:41 pm. On the last day of May, sunrise is at 6:26 am and sunset at 9:07 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: During May, 6 as the daily maximum UV index converts into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the most humid month?
What is the average humidity in May?
How much does it rain in Petersburg in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Petersburg have in May?
What time are sunrise and sunset in May in Petersburg?
How many hours of sunshine does Petersburg have in May?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Petersburg, IN
- Average high temperature in May: 74.1°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 57.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in May
Petersburg, IN
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Petersburg, IN
- Average wind speed in May: 7.7mph
The windiest months (with the highest average wind speed) are January, February and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Petersburg, IN
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Petersburg, IN
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in May
Petersburg, IN
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in May
Petersburg, IN
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Petersburg, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.8 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
Petersburg, IN
- 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: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in May
Petersburg, IN
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in May
Petersburg, IN
- 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, November and December (UV index 2).
Average cloud cover in May
Petersburg, IN
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in May
Petersburg, IN
- 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).
Petersburg, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location