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
A clear escalation in the average high-temperature is witnessed with the onset of May, advancing from a chilly 46.6°F (8.1°C) in April to a refreshing 61.3°F (16.3°C). In the month of May, the nighttime temperature dips to a steady average of 44.4°F (6.9°C).Humidity
In May, the average relative humidity is 63%.Rainfall
In Shell Valley, during May, the rain falls for 14.9 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 110.9 rainfall days, and 17.95" (456mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.7 snowfall days, in May, Shell Valley aggregates 0.47" (12mm) of snow. In Shell Valley, during the entire year, snow falls for 86.8 days and aggregates up to 23.78" (604mm) of snow.Daylight
In Shell Valley, the average length of the day in May is 15h and 18min.On the first day of May, sunrise is at 6:17 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 9:33 pm CDT.
Sunshine
In Shell Valley, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index in Shell Valley is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, an average UV index of 4 transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Shell Valley have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Shell Valley have in May?
What is the UV index intensity in May?
Average temperature in May
Shell Valley, ND
- Average high temperature in May: 61.3°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).
- Average low temperature in May: 44.4°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in May
Shell Valley, 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
Shell Valley, ND
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in May
Shell Valley, ND
- Average humidity in May: 63%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Shell Valley, ND
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in May
Shell Valley, ND
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).
Average snowfall in May
Shell Valley, ND
- Average snowfall in May: 0.47"
The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Shell Valley, ND
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Shell Valley, ND
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- 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 6min).
Average sunshine days in May
Shell Valley, ND
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in May
Shell Valley, ND
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Shell Valley, ND
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Shell Valley, 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).
Shell Valley, North Dakota, USA
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