May weather forecastCrystal, ND
May
Weather in May
The last month of the spring, May, is a refreshing month in Crystal, North Dakota, with an average temperature ranging between min 46.9°F (8.3°C) and max 63.5°F (17.5°C).Temperature
Witnessing a clear rise in May, the average high-temperature escalates from April's chilly 48.2°F (9°C) to a refreshing 63.5°F (17.5°C). Crystal's average low-temperature in the month of May is recorded at a frosty 46.9°F (8.3°C).Humidity
In May, the average relative humidity in Crystal is 63%.Rainfall
In Crystal, during May, the rain falls for 13.4 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Crystal, there are 99.8 rainfall days, and 16.46" (418mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Crystal. During 0.5 snowfall days, in May, Crystal aggregates 0.39" (10mm) of snow. Throughout the year, there are 68.4 snowfall days, and 18.54" (471mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 16min.On the first day of May, sunrise is at 6:09 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 9:24 pm CDT.
Sunshine
In Crystal, the average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May in Crystal is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Crystal, ND
- Average high temperature in May: 63.5°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is January (14.5°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (1°F).
Average pressure in May
Crystal, 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
Crystal, ND
- Average wind speed in May: 9.9mph
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 (8.4mph).
Average humidity in May
Crystal, ND
- Average humidity in May: 63%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Crystal, ND
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in May
Crystal, ND
- Average rainfall days in May: 13.4 days
The month with the highest number of rainy days is June (16.9 days).
The month with the least rainy days is February (2 days).
Average snowfall in May
Crystal, ND
- Average snowfall in May: 0.39"
The month with the highest snowfall is December (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Crystal, ND
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Crystal, ND
- Average daylight in May: 15h and 18min
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 24min).
- Average sunshine in May: 8h and 54min
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 18min).
Average sunshine days in May
Crystal, ND
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Crystal, ND
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Crystal, ND
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Crystal, 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).





