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
The arrival of May brings an increase in high-temperatures, moving from a cool 52.3°F (11.3°C) in April to a comfortable 65.7°F (18.7°C). Throughout the May nights, Grand Marsh encounters a low-temperature of 47.8°F (8.8°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In Grand Marsh, in May, during 16.5 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. Throughout the year, there are 129.4 rainfall days, and 26.3" (668mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Grand Marsh aggregates 0.08" (2mm) of snow. In Grand Marsh, during the entire year, snow falls for 55 days and aggregates up to 21.77" (553mm) of snow.Daylight
The average length of the day in May is 14h and 46min.On the first day of May, sunrise is at 5:49 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:33 pm CDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in May transforms into this advice:
Adopt protective measures - It is advised to guard against sun damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grand Marsh in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Grand Marsh have in May?
How high is the UV index in May?
Average temperature in May
Grand Marsh, WI
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Grand Marsh, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Grand Marsh, WI
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Grand Marsh, WI
- Average humidity in May: 78%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Grand Marsh, WI
- Average rainfall in May: 3.39"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in May
Grand Marsh, WI
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in May
Grand Marsh, WI
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grand Marsh, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grand Marsh, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Grand Marsh, WI
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in May
Grand Marsh, WI
- 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
Grand Marsh, WI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Grand Marsh, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Grand Marsh, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location