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
May is marked by a distinct increase in the average high-temperature, climbing from a chilly 49.8°F (9.9°C) in April to a refreshing 64.4°F (18°C). May brings an average low-temperature of 46.4°F (8°C) to Granville.Humidity
The average relative humidity in May is 59%.Rainfall
In May, the rain falls for 11.5 days. Throughout May, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Granville, there are 89.5 rainfall days, and 13.94" (354mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Granville aggregates 0.2" (5mm) of snow. In Granville, North Dakota, during the entire year, snow falls for 58.4 days and aggregates up to 16.22" (412mm) of snow.Daylight
The average length of the day in May is 15h and 14min.On the first day of May, sunrise is at 6:22 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 9:35 pm CDT.
Sunshine
In May, the average sunshine is 9.7h.UV index
In Granville, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during May leads to these advisories:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
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 is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index reading in May in Granville?
Average temperature in May
Granville, ND
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in May
Granville, ND
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Granville, ND
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in May
Granville, ND
- Average humidity in May: 59%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in May
Granville, ND
- Average rainfall in May: 1.81"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in May
Granville, ND
- Average rainfall days in May: 11.5 days
The month with the highest number of rainy days is June (14 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in May
Granville, ND
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Granville, ND
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Granville, 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 24min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in May
Granville, ND
- Average sunshine days in May: 17.4 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in May
Granville, ND
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Granville, ND
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Granville, 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).
Granville, North Dakota, USA
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