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
Witnessing a clear rise in May, the average high-temperature escalates from April's fresh 51.1°F (10.6°C) to a refreshing 65.7°F (18.7°C). Casselton experiences a consistent average temperature of 48.6°F (9.2°C) throughout the nights in May.Humidity
The average relative humidity in May is 64%.Rainfall
In Casselton, in May, it is raining for 14.4 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 102.6 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.4 snowfall days, in May, Casselton aggregates 0.24" (6mm) of snow. In Casselton, during the entire year, snow falls for 67 days and aggregates up to 18.03" (458mm) of snow.Daylight
In May, the average length of the day in Casselton, North Dakota, is 15h and 5min.On the first day of the month, sunrise is at 6:12 am and sunset at 8:39 pm. On the last day of May, sunrise is at 5:38 am and sunset at 9:15 pm CDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 5 during May translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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?
How many hours of daylight does Casselton have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Casselton, ND
- Average high temperature in May: 65.7°F
The warmest months (with the highest average high temperature) are July and August (80.8°F).
The month with the lowest average high temperature is January (16.7°F).
- Average low temperature in May: 48.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (3.2°F).
Average pressure in May
Casselton, ND
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Casselton, ND
- Average wind speed in May: 9.8mph
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 (8.1mph).
Average humidity in May
Casselton, ND
- Average humidity in May: 64%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (62%).
Average rainfall in May
Casselton, ND
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in May
Casselton, ND
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in May
Casselton, ND
- Average snowfall in May: 0.24"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Casselton, ND
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Casselton, ND
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in May
Casselton, ND
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (11 days).
Average UV index in May
Casselton, 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, November and December (UV index 1).
Average cloud cover in May
Casselton, ND
- Average cloud cover in May: 40
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Casselton, 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).
Casselton, North Dakota, USA
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