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 arrival of May brings a temperature shift, with the average high-temperature escalating from a cool 51.1°F (10.6°C) in April to an enjoyable 64°F (17.8°C). The temperature in Richardton lowers to an average of 45.7°F (7.6°C) during May nights.Humidity
The average relative humidity in May is 61%.Rainfall
The months with the most rainfall in Richardton are May and July, with an average 1.93" (49mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Richardton. During 1 snowfall days, in May, Richardton aggregates 1.02" (26mm) of snow. In Richardton, during the entire year, snow falls for 56.7 days and aggregates up to 19.72" (501mm) of snow.Daylight
In May, the average length of the day is 15h and 5min.On the first day of the month, sunrise is at 5:32 am and sunset at 8:00 pm. On the last day of May, in Richardton, sunrise is at 4:58 am and sunset at 8:35 pm MDT.
Sunshine
The average sunshine in May in Richardton is 9.6h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during May translates into the following guidance:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Richardton in May?
What is the average humidity in May in Richardton?
What is the rainiest month in Richardton?
How many days does it rain in May in Richardton?
What is the last month it snows in Richardton?
How many hours of daylight does Richardton have in May?
When are sunrise and sunset in May in Richardton?
How many hours of sunshine does Richardton have in May?
What is the UV index reading in May in Richardton?
Average temperature in May
Richardton, ND
- Average high temperature in May: 64°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in May: 45.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Richardton, ND
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Richardton, ND
- Average wind speed in May: 10.7mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in May
Richardton, ND
- Average humidity in May: 61%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (51%).
Average rainfall in May
Richardton, ND
- Average rainfall in May: 1.93"
The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in May
Richardton, ND
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is June (12.9 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in May
Richardton, ND
- Average snowfall in May: 1.02"
The month with the highest snowfall is November (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Richardton, ND
- Average snowfall days in May: 1 days
The month with the highest number of snowfall days is February (11.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Richardton, 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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in May
Richardton, ND
- Average sunshine days in May: 15.5 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (14.4 days).
Average UV index in May
Richardton, ND
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in May
Richardton, ND
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in May
Richardton, ND
- 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).
Richardton, North Dakota, USA
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