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
May
Weather in May
Temperature
The shift into May is marked by a rise in the average high-temperature, moving from April's frosty 9.9°C to a comfortable 17.8°C. Jamestown records an average nighttime low of 8.2°C in May.Humidity
In May, the average relative humidity in Jamestown is 64%.Rainfall
In Jamestown, during May, the rain falls for 13.6 days and regularly aggregates up to 57mm of precipitation. In Jamestown, North Dakota, during the entire year, the rain falls for 96.6 days and collects up to 426mm of precipitation.Snowfall
Months with snowfall in Jamestown are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Jamestown aggregates 10mm of snow. In Jamestown, during the entire year, snow falls for 63 days and aggregates up to 531mm of snow.Daylight
The average length of the day in May in Jamestown is 15h and 5min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:45 pm. On the last day of May, in Jamestown, sunrise is at 5:43 am and sunset at 9:21 pm CDT.
Sunshine
In Jamestown, North Dakota, the average sunshine in May is 8.9h.UV index
In Jamestown, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Jamestown?
What is the average humidity in May in Jamestown?
How many days does it rain in May in Jamestown?
What is the last month it snows in Jamestown?
What is the average length of the day in May in Jamestown?
When is the sunrise / sunset in May in Jamestown?
How long on average sun shines in May in Jamestown?
What is the UV index reading in May in Jamestown?
Average temperature in May
Jamestown, ND
- Average high temperature in May: 17.8°C
The warmest month (with the highest average high temperature) is July (27.4°C).
The month with the lowest average high temperature is January (-7.9°C).
- Average low temperature in May: 8.2°C
The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is January (-15.8°C).
Average pressure in May
Jamestown, ND
- Average pressure in May: 1013.6mbar
The month with the highest atmospheric pressure is February (1021.9mbar).
The month with the lowest atmospheric pressure is June (1010.9mbar).
Average wind speed in May
Jamestown, ND
- Average wind speed in May: 16.5km/h
The windiest month (with the highest average wind speed) is October (18.1km/h).
The calmest month (with the lowest average wind speed) is August (13.7km/h).
Average humidity in May
Jamestown, ND
- Average humidity in May: 64%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (59%).
Average rainfall in May
Jamestown, ND
- Average rainfall in May: 57mm
The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is January (14mm).
Average rainfall days in May
Jamestown, ND
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in May
Jamestown, ND
- Average snowfall in May: 10mm
The month with the highest snowfall is December (119mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Jamestown, ND
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is December (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jamestown, 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: 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 36min).
Average sunshine days in May
Jamestown, ND
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (12 days).
Average UV index in May
Jamestown, ND
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Jamestown, ND
- Average cloud cover in May: 40
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 24).
Average visibility in May
Jamestown, ND
- Average visibility in May: 9km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February and March (8km).