May weather forecastFitchburg, WI
May
Weather in May
May in Fitchburg witnesses the full swing of spring cascading into early summer with elevated temperatures and clear skies. Increased daylight hours with 14.7 hours coupled with strong sunshine of 8.4 hours per day kickstarts outdoor activities. The weather adaptation encourages residents and visitors to explore the natural beauty of Fitchburg's parks and trails.Temperature
With the onset of May, Fitchburg's average high-temperature experiences a rise, moving from April's fresh 54°F (12.2°C) to an enjoyable 66.4°F (19.1°C). Nighttime temperatures in May average to a chilly 48.7°F (9.3°C).Humidity
In May, the average relative humidity is 80%.Rainfall
In May, the rain falls for 12.8 days. Throughout May, 0.87" (22mm) of precipitation is accumulated. In Fitchburg, during the entire year, the rain falls for 92.1 days and collects up to 7.28" (185mm) of precipitation.Snowfall
In Fitchburg, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 41min.On the first day of the month, sunrise is at 5:50 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:21 am and sunset at 8:29 pm CDT.
Sunshine
In May, the average sunshine in Fitchburg is 8.4h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a daily UV index of 5 turns into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fitchburg, WI
- Average high temperature in May: 66.4°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 (24.3°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Fitchburg, 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 (29.91"Hg).
Average wind speed in May
Fitchburg, WI
- Average wind speed in May: 8.7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Fitchburg, WI
- Average humidity in May: 80%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in May
Fitchburg, WI
- Average rainfall in May: 0.87"
The wettest month (with the highest rainfall) is June (0.98").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in May
Fitchburg, WI
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in May
Fitchburg, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fitchburg, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fitchburg, WI
- Average daylight in May: 14h and 42min
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 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Fitchburg, WI
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in May
Fitchburg, 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
Fitchburg, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July, August and September (Cloud cover 35).
Average visibility in May
Fitchburg, WI
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
