May weather forecastGrantsburg, IN
May
Weather in May
May, the last month of the spring in Grantsburg, is a warm month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 55.9°F (13.3°C).Temperature
May marks a rise in the average high-temperature, moving from April's enjoyable 64.8°F (18.2°C) to a warm 74.7°F (23.7°C). In May, the nighttime temperature in Grantsburg lowers to an average of 55.9°F (13.3°C).Humidity
The average relative humidity in May in Grantsburg is 80%.Rainfall
In May, in Grantsburg, the rain falls for 16.3 days. Throughout May, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 137.1 rainfall days, and 20.28" (515mm) of precipitation is accumulated.Snowfall
In Grantsburg, snow does not fall in May through October.Daylight
In May, the average length of the day in Grantsburg is 14h and 16min.On the first day of the month, sunrise is at 6:48 am and sunset at 8:37 pm. On the last day of May, sunrise is at 6:24 am and sunset at 9:03 pm EDT.
Sunshine
In Grantsburg, the average sunshine in May is 8.4h.UV index
In Grantsburg, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grantsburg, IN
- Average high temperature in May: 74.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in May: 55.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in May
Grantsburg, IN
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Grantsburg, IN
- Average wind speed in May: 6.2mph
The windiest months (with the highest average wind speed) are January, February and April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in May
Grantsburg, IN
- Average humidity in May: 80%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Grantsburg, IN
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in May
Grantsburg, IN
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (8.2 days).
Average snowfall in May
Grantsburg, IN
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Grantsburg, IN
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.6 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
Grantsburg, IN
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 8h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Grantsburg, IN
- Average sunshine days in May: 12 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in May
Grantsburg, IN
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Grantsburg, IN
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Grantsburg, IN
- Average visibility in May: 5mi
The months with the highest visibility are April, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and December (5mi).





