May weather forecastIsabella, MN
May
Weather in May
May, the last month of the spring in Isabella, is a cool month, with an average temperature ranging between min 39.9°F (4.4°C) and max 53.2°F (11.8°C).Temperature
May comes with an increase, with the average high-temperature moving from an icy 41.5°F (5.3°C) in April to a fresh 53.2°F (11.8°C). May witnesses an average nighttime temperature of 39.9°F (4.4°C).Humidity
May is the least humid month, with an average relative humidity of 75%.Rainfall
In Isabella, in May, during 14.4 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 130 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Isabella aggregates 0.16" (4mm) of snow. In Isabella, during the entire year, snow falls for 83.5 days and aggregates up to 29.06" (738mm) of snow.Daylight
The average length of the day in May is 15h and 10min.On the first day of May, sunrise is at 5:46 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:54 pm CDT.
Sunshine
In Isabella, Minnesota, the average sunshine in May is 8.9h.UV index
In Isabella, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: During May, 3 as the daily maximum UV index converts into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Isabella, MN
- Average high temperature in May: 53.2°F
The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in May: 39.9°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in May
Isabella, MN
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Isabella, MN
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in May
Isabella, MN
- Average humidity in May: 75%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Isabella, MN
- Average rainfall in May: 2.4"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in May
Isabella, MN
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
Isabella, MN
- Average snowfall in May: 0.16"
The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Isabella, MN
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Isabella, MN
- Average daylight in May: 15h and 12min
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 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Isabella, MN
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is December (12 days).
Average UV index in May
Isabella, MN
- Average UV index in May: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Isabella, MN
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in May
Isabella, MN
- Average visibility in May: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
