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
Hillsboro's May weather is marked by a distinct rise in high-temperatures, escalating from a cool 50.5°F (10.3°C) in April to a comfortable 65.5°F (18.6°C). Hillsboro in May anticipates an average nighttime temperature of 48.2°F (9°C).Humidity
In May, the average relative humidity is 63%.Rainfall
In Hillsboro, in May, during 14.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, in Hillsboro, there are 103 rainfall days, and 18.35" (466mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Hillsboro aggregates 0.47" (12mm) of snow. Throughout the year, there are 68 snowfall days, and 22.13" (562mm) of snow is accumulated.Daylight
The average length of the day in May is 15h and 8min.On the first day of May, sunrise is at 6:10 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 9:16 pm CDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
The average daily maximum UV index in May in Hillsboro is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hillsboro in May?
What is the average humidity in May in Hillsboro?
How many days does it rain in May in Hillsboro?
What is the last month it snows in Hillsboro?
How many hours of daylight does Hillsboro have in May?
What time are sunrise and sunset in May in Hillsboro?
How many hours of sunshine does Hillsboro have in May?
How high is the UV index in May in Hillsboro?
Average temperature in May
Hillsboro, ND
- Average high temperature in May: 65.5°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (1.6°F).
Average pressure in May
Hillsboro, 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 (29.86"Hg).
Average wind speed in May
Hillsboro, ND
- Average wind speed in May: 9.7mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in May
Hillsboro, ND
- Average humidity in May: 63%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).
Average rainfall in May
Hillsboro, ND
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is June (3.46").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in May
Hillsboro, ND
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in May
Hillsboro, ND
- Average snowfall in May: 0.47"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hillsboro, ND
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Hillsboro, 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in May
Hillsboro, ND
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in May
Hillsboro, 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, November and December (UV index 1).
Average cloud cover in May
Hillsboro, ND
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in May
Hillsboro, 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).
Hillsboro, North Dakota, USA
Weather forecast for your location
2. Allow the app to use your location