May weather forecastHartland, ND
May
Weather in May
The last month of the spring, May, is a refreshing month in Hartland, North Dakota, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 64.8°F (18.2°C).Temperature
With the onset of May, Hartland experiences a noticeable temperature shift, with the average high-temperature advancing from a frosty 49.8°F (9.9°C) in April to an enjoyable 64.8°F (18.2°C). During May, the temperature in Hartland, North Dakota, is averaged to a low of 46.4°F (8°C) at night.Humidity
In May, the average relative humidity is 59%.Rainfall
In Hartland, in May, during 12.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 104.5 rainfall days, and 16.1" (409mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hartland are January through May, October through December. May is the last month it regularly snows in Hartland. During 0.6 snowfall days, in May, Hartland aggregates 0.12" (3mm) of snow. In Hartland, during the entire year, snow falls for 74.4 days and aggregates up to 21.42" (544mm) of snow.Daylight
The average length of the day in May in Hartland is 15h and 15min.On the first day of the month, sunrise is at 6:26 am and sunset at 9:02 pm. On the last day of May, sunrise is at 5:50 am and sunset at 9:39 pm CDT.
Sunshine
In May, the average sunshine in Hartland is 9.5h.UV index
In May, the average daily maximum UV index in Hartland is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during May leads to these instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hartland, ND
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in May
Hartland, ND
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Hartland, ND
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in May
Hartland, ND
- Average humidity in May: 59%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in May
Hartland, ND
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are January and February (0.51").
Average rainfall days in May
Hartland, ND
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2 days).
Average snowfall in May
Hartland, ND
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hartland, ND
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hartland, ND
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 9h and 30min
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 48min).
Average sunshine days in May
Hartland, ND
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in May
Hartland, 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 and November (UV index 1).
Average cloud cover in May
Hartland, ND
- Average cloud cover in May: 37
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Hartland, 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).
