May weather forecast
Black Earth, WI

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Weather in May

The last month of the spring, May, is a refreshing month in Black Earth, Wisconsin, with an average temperature fluctuating between 48.2°F (9°C) and 65.8°F (18.8°C).

Temperature

Black Earth sees an increase in the average high-temperature with the arrival of May, moving from April's fresh 53.8°F (12.1°C) to a refreshing 65.8°F (18.8°C). The average temperature drops to a frosty 48.2°F (9°C) during the night in the month of May.

Humidity

In Black Earth, the average relative humidity in May is 81%.

Rainfall

In Black Earth, during May, the rain falls for 15.7 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Black Earth, during the entire year, the rain falls for 115.3 days and collects up to 13.9" (353mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Black Earth, the average length of the day in May is 14h and 41min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:22 am and sunset at 8:31 pm CDT.

Sunshine

In Black Earth, the average sunshine in May is 8.4h.

UV index

In Black Earth, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 4 during May, leads to the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

In Black Earth, 65.8°F (18.8°C) is the average high-temperature and 48.2°F (9°C) is the average low-temperature during May.

What is the average humidity in May?

In Black Earth, the average relative humidity in May is 81%.

How many days does it rain in May?

In Black Earth, in May, during 15.7 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow?

In Black Earth, snow does not fall in May through September.

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 Black Earth have in May?

The average day length in May is 14h and 41min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:51 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:31 pm CDT.

How many hours of sunshine does Black Earth have in May?

In Black Earth, the average sunshine duration in May is 8.4h.

How high is the UV index in May in Black Earth?

In Black Earth, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from 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
Black Earth, WI

Average temperature in May - Black Earth, WI
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in May: 48.2°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in May
Black Earth, WI

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

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

Average wind speed in May
Black Earth, WI

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

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in May
Black Earth, WI

Average humidity in May - Black Earth, WI
  • Average humidity in May: 81%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in May
Black Earth, WI

Average rainfall in May - Black Earth, WI
  • Average rainfall in May: 1.65"

The wettest month (with the highest rainfall) is June (1.85").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in May
Black Earth, WI

Average rainfall days in May - Black Earth, WI
  • Average rainfall days in May: 15.7 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in May
Black Earth, WI

Average snowfall in May - Black Earth, WI
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Black Earth, WI

Average snowfall days in May - Black Earth, WI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Black Earth, WI

Average daylight in May / Average sunshine in May - Black Earth, 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 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in May
Black Earth, WI

Average sunshine days in May - Black Earth, WI
  • Average sunshine days in May: 11.7 days

The months with the most sunshine days are October and December (19.3 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in May
Black Earth, WI

Average UV index in May - Black Earth, WI
  • Average UV index in May: 4

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

Average cloud cover in May
Black Earth, WI

Average cloud cover in May - Black Earth, WI
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July, August and September (Cloud cover 34).

Average visibility in May
Black Earth, WI

Average visibility in May - Black Earth, 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).

Black Earth, Wisconsin, USA

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