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
An increase in the average high-temperature marks May, moving from April's cool 50°F (10°C) to a refreshing 64.2°F (17.9°C). Riverdale Junction's nighttime temperature in May drops to an average of 46.4°F (8°C).Humidity
In May, the average relative humidity is 60%.Rainfall
In Riverdale Junction, in May, it is raining for 12.2 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 95.9 rainfall days, and 14.65" (372mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.5 snowfall days, in May, Riverdale Junction aggregates 0.2" (5mm) of snow. In Riverdale Junction, during the entire year, snow falls for 68 days and aggregates up to 18.19" (462mm) of snow.Daylight
In May, the average length of the day is 15h and 8min.On the first day of May in Riverdale Junction, sunrise is at 6:26 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 9:33 pm CDT.
Sunshine
In May, the average sunshine is 9.7h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 4 in May leads to these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. 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 average May temperature?
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 Riverdale Junction have in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Riverdale Junction, ND
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in May
Riverdale Junction, 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 (29.84"Hg).
Average wind speed in May
Riverdale Junction, ND
- Average wind speed in May: 10.4mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in May
Riverdale Junction, ND
- Average humidity in May: 60%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in May
Riverdale Junction, ND
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in May
Riverdale Junction, ND
- Average rainfall days in May: 12.2 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in May
Riverdale Junction, ND
- Average snowfall in May: 0.2"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Riverdale Junction, ND
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Riverdale Junction, ND
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in May
Riverdale Junction, ND
- Average sunshine days in May: 16.5 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is March (13.9 days).
Average UV index in May
Riverdale Junction, ND
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in May
Riverdale Junction, ND
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in May
Riverdale Junction, 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).
Riverdale Junction, North Dakota, USA
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