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
With the onset of May, Petersburg experiences a distinct temperature rise, with the average high-temperature advancing from April's frosty 49.6°F (9.8°C) to an enjoyable 64.2°F (17.9°C). An average nighttime temperature of 47.3°F (8.5°C) is recorded during May.Humidity
In May, the average relative humidity is 64%.Rainfall
In Petersburg, during May, the rain falls for 13 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Petersburg, during the entire year, the rain falls for 91.5 days and collects up to 15.31" (389mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Petersburg aggregates 0.31" (8mm) of snow. In Petersburg, during the entire year, snow falls for 56.9 days and aggregates up to 16.97" (431mm) of snow.Daylight
In May, the average length of the day is 15h and 12min.On the first day of May, sunrise is at 6:12 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 9:23 pm CDT.
Sunshine
In Petersburg, North Dakota, the average sunshine in May is 8.9h.UV index
In Petersburg, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May in Petersburg?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Petersburg have in May?
How high is the UV index in May?
Average temperature in May
Petersburg, ND
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is January (15.4°F).
- Average low temperature in May: 47.3°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (1.4°F).
Average pressure in May
Petersburg, ND
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Petersburg, ND
- Average wind speed in May: 10mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in May
Petersburg, ND
- Average humidity in May: 64%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Petersburg, ND
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is June (2.99").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in May
Petersburg, ND
- Average rainfall days in May: 13 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in May
Petersburg, ND
- Average snowfall in May: 0.31"
The month with the highest snowfall is December (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Petersburg, ND
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Petersburg, ND
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Petersburg, ND
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Petersburg, ND
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Petersburg, ND
- Average cloud cover in May: 40
The months with the most cloud cover are January and February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Petersburg, ND
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Petersburg, North Dakota, USA
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