May weather forecast
Afton, WI

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Weather in May

May, the last month of the spring in Afton, is a comfortable month, with an average temperature fluctuating between 49.5°F (9.7°C) and 67.1°F (19.5°C).

Temperature

May signals a shift in the average high-temperature, moving from April's cool 54.9°F (12.7°C) to an enjoyable 67.1°F (19.5°C). During May, Afton experiences a consistent low-temperature average of 49.5°F (9.7°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

In Afton, during May, the rain falls for 16 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Afton, during the entire year, the rain falls for 127.7 days and collects up to 17.87" (454mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Afton, the average length of the day in May is 14h and 38min.
On the first day of the month, sunrise is at 5:49 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:21 am and sunset at 8:26 pm CDT.

Sunshine

In Afton, the average sunshine in May is 8.5h.

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 rays for the ordinary person.
Note: In May, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

What is the usual temperature for Afton in May?

The high-temperature during May is 67.1°F (19.5°C) and the low-temperature is 49.5°F (9.7°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

How many days does it rain in May?

In Afton, during May, the rain falls for 16 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

May through September are months without snowfall in Afton.

Does it snow in May?

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

How many hours of daylight does Afton have in May?

The average day length in May is 14h and 38min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:49 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:26 pm CDT.

How many hours of sunshine does Afton have in May?

In May, the average sunshine duration is 8.5h.

How high is the UV index in May?

In May, the average daily maximum UV index in Afton is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Afton, WI

Average temperature in May - Afton, WI
  • Average high temperature in May: 67.1°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in May: 49.5°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in May
Afton, WI

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Afton, WI

Average wind speed in May - Afton, WI
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in May
Afton, WI

Average humidity in May - Afton, WI
  • Average humidity in May: 79%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

Average rainfall in May
Afton, WI

Average rainfall in May - Afton, WI
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is June (2.76").
The driest months (with the least rainfall) are January and February (0.75").

Average rainfall days in May
Afton, WI

Average rainfall days in May - Afton, WI
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in May
Afton, WI

Average snowfall in May - Afton, WI
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Afton, WI

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

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Afton, 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 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in May
Afton, WI

Average sunshine days in May - Afton, WI
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in May
Afton, WI

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

Average cloud cover in May
Afton, WI

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

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in May
Afton, WI

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

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

Afton, Wisconsin, USA

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