May weather forecast
Whitehall, WI

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Weather in May

The last month of the spring, May, is a comfortable month in Whitehall, Wisconsin, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 64.6°F (18.1°C).

Temperature

Whitehall's weather shows a temperature rise with the arrival of May, moving from a fresh 52°F (11.1°C) in April to a comfortable 64.6°F (18.1°C). In Whitehall, the average temperature during the nights of May drops to a chilly 46.9°F (8.3°C).

Humidity

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

Rainfall

In Whitehall, in May, during 18.5 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. In Whitehall, during the entire year, the rain falls for 142.8 days and collects up to 28.78" (731mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Whitehall aggregates 0.35" (9mm) of snow. Throughout the year, there are 68 snowfall days, and 28.11" (714mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 49min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:09 pm. On the last day of May, in Whitehall, sunrise is at 5:24 am and sunset at 8:42 pm CDT.

Sunshine

In Whitehall, the average sunshine in May is 8.3h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

In Whitehall, 64.6°F (18.1°C) is the average high-temperature and 46.9°F (8.3°C) is the average low-temperature during May.

What is the average humidity in May?

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

How much does it rain in May?

In May, the rain falls for 18.5 days. Throughout May, 3.74" (95mm) of precipitation is accumulated.

What is the last month it snows in Whitehall?

May is the last month it regularly snows. During 0.7 snowfall days, in May, Whitehall aggregates 0.35" (9mm) of snow.

What is the average length of the day in May?

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

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:54 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:42 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.3h.

What is the UV index intensity in May?

In Whitehall, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Whitehall, WI

Average temperature in May - Whitehall, WI
  • Average high temperature in May: 64.6°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (7°F).

Average pressure in May
Whitehall, WI

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

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
Whitehall, WI

Average wind speed in May - Whitehall, WI
  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in May
Whitehall, WI

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

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in May
Whitehall, WI

Average rainfall in May - Whitehall, WI
  • Average rainfall in May: 3.74"

The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in May
Whitehall, WI

Average rainfall days in May - Whitehall, WI
  • Average rainfall days in May: 18.5 days

The month with the highest number of rainy days is June (19 days).
The months with the least rainy days are January and February (3.6 days).

Average snowfall in May
Whitehall, WI

Average snowfall in May - Whitehall, WI
  • Average snowfall in May: 0.35"

The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Whitehall, WI

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

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in May
Whitehall, WI

Average sunshine days in May - Whitehall, WI
  • Average sunshine days in May: 9.4 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in May
Whitehall, WI

Average UV index in May - Whitehall, 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).

Average cloud cover in May
Whitehall, WI

Average cloud cover in May - Whitehall, WI
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Whitehall, WI

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

The months with the highest visibility are April, May, June, August, October and November (6mi).
The month with the lowest visibility is January (4mi).

Whitehall, Wisconsin, USA

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