May weather forecast
Seymour, WI

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Weather in May

The last month of the spring, May, is a comfortable month in Seymour, Wisconsin, with an average temperature varying between 64.2°F (17.9°C) and 45.9°F (7.7°C).

Temperature

May sees a temperature increase, moving from a fresh 50.5°F (10.3°C) in April to an enjoyable 64.2°F (17.9°C). An average low-temperature of 45.9°F (7.7°C) is common in Seymour during the nights of May.

Humidity

The months with the lowest humidity in Seymour are April and May, with an average relative humidity of 76%.

Rainfall

May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 3.54" (90mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Seymour. May is the last month it regularly snows in Seymour. During 0.1 snowfall days, in May, Seymour aggregates 0.2" (5mm) of snow. In Seymour, during the entire year, snow falls for 55.6 days and aggregates up to 22.28" (566mm) of snow.

Daylight

In Seymour, the average length of the day in May is 14h and 49min.
On the first day of the month, sunrise is at 5:42 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:30 pm CDT.

Sunshine

The average sunshine in May in Seymour, Wisconsin, is 8.7h.

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 medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What is the average May temperature in Seymour?

During May, Seymour experiences an average high-temperature of 64.2°F (17.9°C) and a low-temperature of 45.9°F (7.7°C).

What is the least humid month in Seymour?

The months with the lowest humidity in Seymour, Wisconsin, are April and May, with an average relative humidity of 76%.

What is the average humidity in May in Seymour?

In May, the average relative humidity in Seymour, Wisconsin, is 76%.

What is the rainiest month in Seymour?

May is the month with the most rainfall in Seymour, Wisconsin. Rain falls for 14.8 days and accumulates 3.54" (90mm) of precipitation.

How much does it rain in Seymour in May?

In May, in Seymour, the rain falls for 14.8 days. Throughout May, 3.54" (90mm) of precipitation is accumulated.

What is the last month it snows in Seymour?

May is the last month it regularly snows in Seymour. During 0.1 snowfall days, in May, Seymour aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Seymour?

In May, the average day length in Seymour is 14h and 49min.

When are sunrise and sunset in May in Seymour?

On the first day of May, sunrise is at 5:42 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:30 pm CDT.

How long on average sun shines in May in Seymour?

In Seymour, Wisconsin, the average sunshine duration in May is 8.7h.

What is the month with the highest UV index in Seymour?

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

What is the UV index intensity in May in Seymour?

In May, the average daily maximum UV index in Seymour, Wisconsin, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
Seymour, WI

Average temperature in May - Seymour, WI
  • Average high temperature in May: 64.2°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 (22.5°F).

  • Average low temperature in May: 45.9°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

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Average pressure in May
Seymour, WI

Average pressure in May - Seymour, WI
  • Average pressure in May: 29.96"Hg

The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Seymour, WI

Average wind speed in May - Seymour, WI
  • Average wind speed in May: 8.7mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in May
Seymour, WI

Average humidity in May - Seymour, WI
  • Average humidity in May: 76%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in May
Seymour, WI

Average rainfall in May - Seymour, WI
  • Average rainfall in May: 3.54"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (1.14").

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Average rainfall days in May
Seymour, WI

Average rainfall days in May - Seymour, WI
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.2 days).

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Average snowfall in May
Seymour, WI

Average snowfall in May - Seymour, WI
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Seymour, WI

Average snowfall days in May - Seymour, WI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (13.5 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
Seymour, WI

Average daylight in May / Average sunshine in May - Seymour, WI
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

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Average sunshine days in May
Seymour, WI

Average sunshine days in May - Seymour, WI
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in May
Seymour, WI

Average UV index in May - Seymour, 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, November and December (UV index 1).

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Average cloud cover in May
Seymour, WI

Average cloud cover in May - Seymour, WI
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in May
Seymour, WI

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Seymour, Wisconsin, USA

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