May weather forecastDakota, IL
May
Weather in May
The last month of the spring, May, is an agreeable month in Dakota, Illinois, with an average temperature fluctuating between 68°F (20°C) and 50.9°F (10.5°C).Temperature
As Dakota, Illinois, welcomes May, the average high-temperature sees a rise, transitioning from a moderate 55.9°F (13.3°C) in April to a pleasant 68°F (20°C). In the month of May, Dakota's average low-temperature falls to a fresh 50.9°F (10.5°C).Humidity
In May, the average relative humidity is 79%.Rainfall
In Dakota, in May, during 17.4 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 138 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
In Dakota, snow does not fall in May through September.Daylight
In Dakota, the average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:23 am and sunset at 8:28 pm CDT.
Sunshine
In May, the average sunshine in Dakota is 8.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 during May translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dakota, IL
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in May
Dakota, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Dakota, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Dakota, IL
- Average humidity in May: 79%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in May
Dakota, IL
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in May
Dakota, IL
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in May
Dakota, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Dakota, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dakota, IL
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Dakota, IL
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in May
Dakota, IL
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Dakota, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Dakota, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





