May weather forecast
Biron, WI

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Weather in May

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

Temperature

The onset of May brings a temperature shift, with the average high-temperature moving from a cool 51.1°F (10.6°C) in April to a refreshing 64.6°F (18.1°C). In the month of May, the nighttime temperature dips to a steady average of 46.9°F (8.3°C).

Humidity

The average relative humidity in May in Biron is 78%.

Rainfall

In Biron, Wisconsin, during May, the rain falls for 15.2 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Biron, during the entire year, the rain falls for 119 days and collects up to 16.26" (413mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Biron aggregates 0.08" (2mm) of snow. In Biron, during the entire year, snow falls for 60 days and aggregates up to 14.88" (378mm) of snow.

Daylight

In Biron, the average length of the day in May is 14h and 49min.
On the first day of the month, sunrise is at 5:48 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:36 pm CDT.

Sunshine

In Biron, the average sunshine in May is 8.6h.

UV index

In Biron, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Biron in May?

May temperatures vary between a high-temperature of 64.6°F (18.1°C) and a low-temperature of 46.9°F (8.3°C).

What is the average humidity in May?

In May, the average relative humidity is 78%.

How many days does it rain in May?

In Biron, in May, it is raining for 15.2 days, with typically 2.01" (51mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Biron aggregates 0.08" (2mm) of snow.

How many hours of daylight does Biron have in May?

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

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:48 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:36 pm CDT.

How many hours of sunshine does Biron have in May?

The average sunshine duration in May is 8.6h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Biron, WI

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

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

Average pressure in May
Biron, WI

Average pressure in May - Biron, 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 (29.9"Hg).

Average wind speed in May
Biron, WI

Average wind speed in May - Biron, WI
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in May
Biron, WI

Average humidity in May - Biron, WI
  • Average humidity in May: 78%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Biron, WI

Average rainfall in May - Biron, WI
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is June (2.24").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days in May
Biron, WI

Average rainfall days in May - Biron, WI
  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is February (3.5 days).

Average snowfall in May
Biron, WI

Average snowfall in May - Biron, WI
  • Average snowfall in May: 0.08"

The month with the highest snowfall is December (3.27").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Biron, WI

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

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in May
Biron, WI

Average sunshine days in May - Biron, WI
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is July (12.2 days).

Average UV index in May
Biron, WI

Average UV index in May - Biron, 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
Biron, WI

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

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
Biron, WI

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

The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).

Biron, Wisconsin, USA

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