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
As Theresa welcomes May, the average high-temperature sees a rise, transitioning from a fresh 52.3°F (11.3°C) in April to a refreshing 64.9°F (18.3°C). During May, Theresa observes a consistent average nighttime temperature of 46.9°F (8.3°C).Humidity
In Theresa, the average relative humidity in May is 79%.Rainfall
The wettest months in Theresa are May and June, with an average 2.6" (66mm) of rainfall.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Theresa aggregates 0.04" (1mm) of snow. In Theresa, during the entire year, snow falls for 54.7 days and aggregates up to 13.82" (351mm) of snow.Daylight
In Theresa, the average length of the day in May is 14h and 44min.On the first day of the month, sunrise is at 5:45 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:27 pm CDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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?
What is the wettest month?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Theresa have in May?
How high is the UV index in May?
Average temperature in May
Theresa, WI
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Theresa, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Theresa, 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 (6.8mph).
Average humidity in May
Theresa, WI
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Theresa, WI
- Average rainfall in May: 2.6"
The wettest months (with the highest rainfall) are May and June (2.6").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days in May
Theresa, WI
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is July (16.2 days).
The months with the least rainy days are January and February (3.1 days).
Average snowfall in May
Theresa, WI
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Theresa, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Theresa, WI
- Average daylight in May: 14h and 4min
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 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Theresa, WI
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in May
Theresa, WI
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Theresa, WI
- Average cloud cover in May: 44
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 36).
Average visibility in May
Theresa, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Theresa, Wisconsin, USA
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