May weather forecast
Graytown, WI

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Weather in May

The last month of the spring, May, is a refreshing month in Graytown, Wisconsin, with an average temperature ranging between min 46.4°F (8°C) and max 64°F (17.8°C).

Temperature

May indicates a change in the average high-temperature, moving up from a cool 50.5°F (10.3°C) in April to a refreshing 64°F (17.8°C). Throughout May, Graytown encounters an average temperature drop to a chilly 46.4°F (8°C).

Humidity

The average relative humidity in May is 77%.

Rainfall

In Graytown, during May, the rain falls for 14.9 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Graytown, during the entire year, the rain falls for 128.1 days and collects up to 23.46" (596mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Graytown. During 0.7 snowfall days, in May, Graytown aggregates 0.47" (12mm) of snow. In Graytown, during the entire year, snow falls for 74.5 days and aggregates up to 24.06" (611mm) of snow.

Daylight

The average length of the day in May in Graytown is 14h and 53min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:15 pm. On the last day of May, in Graytown, Wisconsin, sunrise is at 5:24 am and sunset at 8:48 pm CDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What are May temperatures in Graytown?

The high-temperature, in May, in Graytown, is 64°F (17.8°C), while the low-temperature averages to 46.4°F (8°C).

What is the average humidity in May in Graytown?

The average relative humidity in May in Graytown is 77%.

How many days does it rain in May in Graytown?

In Graytown, Wisconsin, in May, it is raining for 14.9 days, with typically 2.87" (73mm) of accumulated precipitation.

What is the last month it snows in Graytown?

May is the last month it regularly snows. During 0.7 snowfall days, in May, Graytown aggregates 0.47" (12mm) of snow.

How many hours of daylight does Graytown have in May?

In May, the average day length in Graytown is 14h and 53min.

What time are sunrise and sunset in May in Graytown?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 8:15 pm. On the last day of the month, in Graytown, sunrise is at 5:24 am and sunset at 8:48 pm CDT.

How long on average sun shines in May in Graytown?

The average sunshine duration in May in Graytown is 8.4h.

How high is the UV index in May in Graytown?

In May, the average daily maximum UV index in Graytown, Wisconsin, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Graytown, WI

Average temperature in May - Graytown, WI
  • Average high temperature in May: 64°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in May: 46.4°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (5°F).

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Average pressure in May
Graytown, WI

Average pressure in May - Graytown, WI
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in May
Graytown, WI

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

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in May
Graytown, WI

Average humidity in May - Graytown, WI
  • Average humidity in May: 77%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in May
Graytown, WI

Average rainfall in May - Graytown, WI
  • Average rainfall in May: 2.87"

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in May
Graytown, WI

Average rainfall days in May - Graytown, WI
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (2.7 days).

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Average snowfall in May
Graytown, WI

Average snowfall in May - Graytown, WI
  • Average snowfall in May: 0.47"

The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Graytown, WI

Average snowfall days in May - Graytown, WI
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is January (16.4 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
Graytown, WI

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in May
Graytown, WI

Average sunshine days in May - Graytown, WI
  • Average sunshine days in May: 13.7 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in May
Graytown, WI

Average UV index in May - Graytown, WI
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in May
Graytown, WI

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

The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in May
Graytown, WI

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

The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Graytown, Wisconsin, USA

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