May weather forecast
Racine, WI

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Weather in May

May in Racine is synonymous with the full onset of spring. The month is characterized by balmy temperatures, vibrant landscapes blossoming in the increased daylight hours. Rainfall increases slightly as compared to April, preparing the ground for the lush greenery of summer. The winds continue to stay relatively gentle, synonymous with springtime. Despite occasional drizzles, the overall visibility remains unhampered, making it another plus for outdoor activities.

Temperature

Racine's transition into May sees a rise in the average high-temperature, advancing from a chilly 47.8°F (8.8°C) in April to a refreshing 57.9°F (14.4°C). Throughout May, the temperature tends to fall to a consistent average low of 48°F (8.9°C).

Humidity

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

Rainfall

May is the month with the most rainfall in Racine. Rain falls for 13.7 days and accumulates 1.34" (34mm) of precipitation.

Snowfall

Months with snowfall in Racine are January through May, October through December. May is the last month it regularly snows in Racine. During 0.1 snowfall days, in May, Racine aggregates 0.04" (1mm) of snow. Throughout the year, there are 39.5 snowfall days, and 3.98" (101mm) of snow is accumulated.

Daylight

In Racine, Wisconsin, the average length of the day in May is 14h and 39min.
On the first day of May, sunrise is at 5:44 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:22 pm CDT.

Sunshine

In Racine, the average sunshine in May is 8.9h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Racine in May?

In May, the average high-temperature and low-temperature are 57.9°F (14.4°C) and 48°F (8.9°C) respectively.

What is the average humidity in May in Racine?

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

What is the wettest month in Racine?

May is the month with the most rainfall in Racine. Rain falls for 13.7 days and accumulates 1.34" (34mm) of precipitation.

How many days does it rain in May in Racine?

In Racine, Wisconsin, in May, it is raining for 13.7 days, with typically 1.34" (34mm) of accumulated precipitation.

What is the last month it snows in Racine?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Racine aggregates 0.04" (1mm) of snow.

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

The average day length in May in Racine, Wisconsin, is 14h and 39min.

When are sunrise and sunset in May in Racine?

In May, on the first day of the month, sunrise is at 5:44 am and sunset at 7:52 pm. On the last day of the month, in Racine, Wisconsin, sunrise is at 5:15 am and sunset at 8:22 pm CDT.

How long on average sun shines in May in Racine?

In May, the average sunshine duration in Racine is 8.9h.

How high is the UV index in May in Racine?

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Racine, WI

Average temperature in May - Racine, WI
  • Average high temperature in May: 57.9°F

The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in May: 48°F

The month with the highest average low temperature is August (66°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in May
Racine, WI

Average pressure in May - Racine, WI
  • Average pressure in May: 29.97"Hg

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Racine, WI

Average wind speed in May - Racine, WI
  • Average wind speed in May: 9.8mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in May
Racine, WI

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

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in May
Racine, WI

Average rainfall in May - Racine, WI
  • Average rainfall in May: 1.34"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is December (0.43").

Average rainfall days in May
Racine, WI

Average rainfall days in May - Racine, WI
  • Average rainfall days in May: 13.7 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in May
Racine, WI

Average snowfall in May - Racine, WI
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Racine, WI

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Racine, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in May
Racine, WI

Average sunshine days in May - Racine, WI
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is July (13.5 days).

Average UV index in May
Racine, WI

Average UV index in May - Racine, WI
  • Average UV index in May: 4

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

Average cloud cover in May
Racine, WI

Average cloud cover in May - Racine, WI
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in May
Racine, WI

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

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

Racine, Wisconsin, USA

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