May weather forecast
Fitchburg, WI

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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

May's arrival in Fitchburg brings a temperature shift, moving from a fresh 54°F (12.2°C) in April to a comfortable 66.4°F (19.1°C). During the month of May, the temperature in Fitchburg falls to an average of 48.7°F (9.3°C).

Humidity

In Fitchburg, the average relative humidity in May is 80%.

Rainfall

In May, in Fitchburg, Wisconsin, the rain falls for 12.8 days. Throughout May, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Fitchburg, Wisconsin, there are 92.1 rainfall days, and 7.28" (185mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Fitchburg.

Daylight

The average length of the day in May is 14h and 41min.
On the first day of May, sunrise is at 5:50 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:29 pm CDT.

Sunshine

In Fitchburg, the average sunshine in May is 8.4h.

UV index

In May, the average daily maximum UV index in Fitchburg is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 during May leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the average May temperature in Fitchburg?

The high-temperature, in May, in Fitchburg, is 66.4°F (19.1°C), while the low-temperature averages to 48.7°F (9.3°C).

What is the average humidity in May in Fitchburg?

In Fitchburg, the average relative humidity in May is 80%.

How many days does it rain in May in Fitchburg?

In May, the rain falls for 12.8 days. Throughout May, 0.87" (22mm) of precipitation is accumulated.

When it does not snow in Fitchburg?

May through September are months without snowfall.

Does it snow in Fitchburg in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Fitchburg have in May?

The average day length in May in Fitchburg is 14h and 41min.

When are sunrise and sunset in May in Fitchburg?

In May, on the first day of the month, sunrise is at 5:50 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:29 pm CDT.

How many hours of sunshine does Fitchburg have in May?

The average sunshine duration in May in Fitchburg, Wisconsin, is 8.4h.

What is the UV index intensity in May in Fitchburg?

In Fitchburg, Wisconsin, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Fitchburg, WI

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).

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Average pressure in May
Fitchburg, WI

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).

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Average wind speed in May
Fitchburg, WI

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).

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Average humidity in May
Fitchburg, WI

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%).

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Average rainfall in May
Fitchburg, WI

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").

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Average rainfall days in May
Fitchburg, WI

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).

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Average snowfall in May
Fitchburg, WI

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").

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Average snowfall days in May
Fitchburg, WI

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).

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Average daylight in May /
Average sunshine in May
Fitchburg, WI

Average daylight in May / Average sunshine in May - Fitchburg, 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 2min

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).

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Average sunshine days in May
Fitchburg, WI

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).

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Average UV index in May
Fitchburg, WI

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).

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Average cloud cover in May
Fitchburg, WI

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).

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Average visibility in May
Fitchburg, WI

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).

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Fitchburg, Wisconsin, USA

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