May weather forecast
Waupun, WI

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Weather in May

The last month of the spring, May, is a comfortable month in Waupun, Wisconsin, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 46.9°F (8.3°C).

Temperature

May brings a temperature change, with average high-temperatures moving from April's cool 52.2°F (11.2°C) to an enjoyable 64.8°F (18.2°C). During May, Waupun sees a mean low-temperature of 46.9°F (8.3°C).

Humidity

The average relative humidity in May is 79%.

Rainfall

The wettest months are May and June, with an average 2.76" (70mm) of rainfall.

Snowfall

In Waupun, snow does not fall in May through September.

Daylight

In Waupun, the average length of the day in May is 14h and 44min.
On the first day of the month, sunrise is at 5:46 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:16 am and sunset at 8:29 pm CDT.

Sunshine

In Waupun, Wisconsin, the average sunshine in May is 8.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 during May leads to these advisories:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Waupun in May?

An average high-temperature, in May, in Waupun, is 64.8°F (18.2°C) and the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in May?

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

What is the rainiest month?

The wettest months are May and June, with an average 2.76" (70mm) of rainfall.

How much does it rain in May?

In Waupun, during May, the rain falls for 16 days and regularly aggregates up to 2.76" (70mm) of precipitation.

When it does not snow in Waupun?

In Waupun, 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 Waupun have in May?

In May, the average day length is 14h and 44min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 5:46 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:29 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.7h.

When is the highest UV index?

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

What is the UV index reading in May?

In Waupun, 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 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
Waupun, WI

Average temperature in May - Waupun, WI
  • Average high temperature in May: 64.8°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 (22.5°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in May
Waupun, WI

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

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Waupun, WI

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

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in May
Waupun, WI

Average humidity in May - Waupun, WI
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Waupun, WI

Average rainfall in May - Waupun, WI
  • Average rainfall in May: 2.76"

The wettest months (with the highest rainfall) are May and June (2.76").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in May
Waupun, WI

Average rainfall days in May - Waupun, WI
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

Average snowfall in May
Waupun, WI

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

The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Waupun, WI

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

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Waupun, WI
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • 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 18min).

Average sunshine days in May
Waupun, WI

Average sunshine days in May - Waupun, WI
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is November (16.1 days).
The months with the least sunshine days are June and July (12.1 days).

Average UV index in May
Waupun, WI

Average UV index in May - Waupun, 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, November and December (UV index 1).

Average cloud cover in May
Waupun, WI

Average cloud cover in May - Waupun, WI
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in May
Waupun, WI

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

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

Waupun, Wisconsin, USA

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