May weather forecast
Trevor, WI

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Weather in May

The last month of the spring, May, is a refreshing month in Trevor, Wisconsin, with an average temperature varying between 65.1°F (18.4°C) and 48.7°F (9.3°C).

Temperature

Trevor in May sees a temperature change, with average high-temperatures moving from a cool 53.2°F (11.8°C) in April to a refreshing 65.1°F (18.4°C). May brings Trevor a consistent average low-temperature of 48.7°F (9.3°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

In Trevor, in May, during 17.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 139.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Trevor, Wisconsin, are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Trevor aggregates 0.08" (2mm) of snow. Throughout the year, there are 38.2 snowfall days, and 15.59" (396mm) of snow is accumulated.

Daylight

The average length of the day in May in Trevor is 14h and 38min.
On the first day of May, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:22 pm CDT.

Sunshine

The average sunshine in May is 8.3h.

UV index

The months with the highest UV index in Trevor are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 5 in May translates into these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What are the temperatures in Trevor in May?

Trevor in May has an average high-temperature of 65.1°F (18.4°C) and an average low-temperature of 48.7°F (9.3°C).

What is the average humidity in May in Trevor?

The average relative humidity in May is 80%.

How many days does it rain in May in Trevor?

In Trevor, Wisconsin, in May, during 17.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

What is the last month it snows in Trevor?

May is the last month it regularly snows in Trevor. During 0.3 snowfall days, in May, Trevor aggregates 0.08" (2mm) of snow.

How many hours of daylight does Trevor have in May?

In Trevor, Wisconsin, the average day length in May is 14h and 38min.

What time are sunrise and sunset in May in Trevor?

On the first day of May in Trevor, Wisconsin, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:22 pm CDT.

How many hours of sunshine does Trevor have in May?

The average sunshine duration in May in Trevor, Wisconsin, is 8.3h.

When is the highest UV index in Trevor?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in May in Trevor?

In Trevor, Wisconsin, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Trevor, WI

Average temperature in May - Trevor, WI
  • Average high temperature in May: 65.1°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in May
Trevor, WI

Average pressure in May - Trevor, 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 (29.92"Hg).

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Average wind speed in May
Trevor, WI

Average wind speed in May - Trevor, WI
  • Average wind speed in May: 8.5mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in May
Trevor, WI

Average humidity in May - Trevor, WI
  • Average humidity in May: 80%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in May
Trevor, WI

Average rainfall in May - Trevor, WI
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").

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Average rainfall days in May
Trevor, WI

Average rainfall days in May - Trevor, WI
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in May
Trevor, WI

Average snowfall in May - Trevor, WI
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Trevor, WI

Average snowfall days in May - Trevor, WI
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (10.1 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
Trevor, WI

Average daylight in May / Average sunshine in May - Trevor, WI
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

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Average sunshine days in May
Trevor, WI

Average sunshine days in May - Trevor, WI
  • Average sunshine days in May: 11.1 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in May
Trevor, WI

Average UV index in May - Trevor, 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).

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Average cloud cover in May
Trevor, WI

Average cloud cover in May - Trevor, WI
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).

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Average visibility in May
Trevor, WI

Average visibility in May - Trevor, WI
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Trevor, Wisconsin, USA

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