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
Grasston sees a considerable increase in average high-temperatures during May, surging from a cool 50.4°F (10.2°C) in April to a comfortable 64.8°F (18.2°C). Grasston's nights in May cool down to an average low-temperature of 46°F (7.8°C).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 72%.Rainfall
In May, the rain falls for 15.1 days. Throughout May, 2.4" (61mm) of precipitation is accumulated. In Grasston, during the entire year, the rain falls for 116.6 days and collects up to 20.71" (526mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Grasston aggregates 0.43" (11mm) of snow. Throughout the year, there are 60.3 snowfall days, and 22.6" (574mm) of snow is accumulated.Daylight
In May, the average length of the day in Grasston is 14h and 58min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:20 pm. On the last day of May, in Grasston, sunrise is at 5:26 am and sunset at 8:54 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In Grasston, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What are the least humid months?
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 Grasston have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Grasston have in May?
What is the UV index reading in May?
Average temperature in May
Grasston, MN
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in May
Grasston, MN
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in May
Grasston, MN
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Grasston, MN
- Average humidity in May: 72%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in May
Grasston, MN
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Grasston, MN
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in May
Grasston, MN
- Average snowfall in May: 0.43"
The month with the highest snowfall is December (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grasston, MN
- Average snowfall days in May: 0.7 days
The months with the highest number of snowfall days are January and February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grasston, MN
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in May
Grasston, MN
- Average sunshine days in May: 13.2 days
The months with the most sunshine days are January and November (18.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in May
Grasston, MN
- 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, November and December (UV index 1).
Average cloud cover in May
Grasston, MN
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Grasston, MN
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).