May weather forecast
Darien, WI

Share

Weather in May

May, the last month of the spring in Darien, is a refreshing month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 48.9°F (9.4°C).

Temperature

May brings a rise in Darien's average high-temperature, moving from a cool 54.1°F (12.3°C) in April to an enjoyable 66.7°F (19.3°C). Throughout the month of May, Darien observes an average nighttime temperature of 48.9°F (9.4°C).

Humidity

In Darien, the average relative humidity in May is 79%.

Rainfall

In Darien, Wisconsin, in May, it is raining for 16.4 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 132.3 rainfall days, and 18.7" (475mm) of precipitation is accumulated.

Snowfall

In Darien, Wisconsin, snow does not fall in May through September.

Daylight

In May, the average length of the day in Darien is 14h and 38min.
On the first day of May, sunrise is at 5:48 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:25 pm CDT.

Sunshine

The average sunshine in May is 8.6h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 5 in May suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. 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 is the average May temperature in Darien?

In May, the average high-temperature and low-temperature are 66.7°F (19.3°C) and 48.9°F (9.4°C) respectively.

What is the average humidity in May in Darien?

In May, the average relative humidity in Darien, Wisconsin, is 79%.

How much does it rain in Darien in May?

In Darien, in May, during 16.4 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in Darien?

In Darien, Wisconsin, snow does not fall in May through September.

Does it snow in Darien in May?

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

How many hours of daylight does Darien have in May?

In Darien, Wisconsin, the average day length in May is 14h and 38min.

What time are sunrise and sunset in May in Darien?

On the first day of May in Darien, Wisconsin, sunrise is at 5:48 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:25 pm CDT.

How long on average sun shines in May in Darien?

In May, the average sunshine duration is 8.6h.

What is the month with the highest UV index in Darien?

The months with the highest UV index in Darien are May through August, with an average maximum UV index of 5.

How high is the UV index in May in Darien?

The average daily maximum UV index in May in Darien is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Darien, WI

Average temperature in May - Darien, WI
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in May: 48.9°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in May
Darien, WI

Average pressure in May - Darien, 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
Darien, WI

Average wind speed in May - Darien, WI
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Darien, WI

Average humidity in May - Darien, 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 (77%).

Average rainfall in May
Darien, WI

Average rainfall in May - Darien, WI
  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are January and December (0.79").

Average rainfall days in May
Darien, WI

Average rainfall days in May - Darien, WI
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (3.8 days).

Average snowfall in May
Darien, WI

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

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Darien, WI

Average snowfall days in May - Darien, WI
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Darien, 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 4min

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
Darien, WI

Average sunshine days in May - Darien, WI
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in May
Darien, WI

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Darien, WI

Average cloud cover in May - Darien, WI
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 35).

Average visibility in May
Darien, WI

Average visibility in May - Darien, 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).

Darien, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location