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
In Gratiot, the onset of May comes with an increased average high-temperature, moving from April's fresh 55°F (12.8°C) to a refreshing 66.9°F (19.4°C). An average nighttime temperature of 49.6°F (9.8°C) is observed during May.Humidity
The average relative humidity in May is 81%.Rainfall
In Gratiot, during May, the rain falls for 17.8 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Gratiot, during the entire year, the rain falls for 140.7 days and collects up to 24.09" (612mm) of precipitation.Snowfall
In Gratiot, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 38min.On the first day of May, sunrise is at 5:53 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:30 pm CDT.
Sunshine
In Gratiot, the average sunshine in May is 8.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Gratiot have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Gratiot have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Gratiot, WI
- Average high temperature in May: 66.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in May
Gratiot, WI
- Average pressure in May: 29.95"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
Gratiot, WI
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in May
Gratiot, WI
- Average humidity in May: 81%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall in May
Gratiot, WI
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in May
Gratiot, WI
- Average rainfall days in May: 17.8 days
The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in May
Gratiot, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Gratiot, 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
Gratiot, WI
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Gratiot, WI
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in May
Gratiot, WI
- 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
Gratiot, WI
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in May
Gratiot, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Gratiot, Wisconsin, USA
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