May weather forecast and climate
Madison, WI

The State Capitol building in Madison, Wisconsin, on a beautiful spring evening
The State Capitol building in Madison, Wisconsin, on a beautiful spring evening

Weather in May

May, the last month of the spring, in Madison, is an enjoyable month, with average temperature ranging between max 65.8°F (18.8°C) and min 48.7°F (9.3°C).

Temperature

In Madison, the average high-temperature rises, from a fresh 53.8°F (12.1°C) in April, to an enjoyable 65.8°F (18.8°C). In Madison, in May, the average low-temperature is 48.7°F (9.3°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Madison, during 6.6 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, in Madison, there are 50.2 rainfall days, and 4.76" (121mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day is 14.7h.

Sunshine

In May, the average sunshine is 8.3h.

UV index

In Madison, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Madison?

The average high-temperature, in May, in Madison, is 65.8°F (18.8°C), while the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Madison?

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

How much does it rain in Madison in May?

In May, in Madison, Wisconsin, the rain falls for 6.6 days. Throughout May, 0.59" (15mm) of precipitation is accumulated.

Does it snow in Madison in May?

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

When it does not snow in Madison?

May through September are months without snowfall in Madison, Wisconsin.

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

In May, the average length of the day in Madison is 14.7h.

How long on average sun shines in May in Madison?

In Madison, the average sunshine in May is 8.3h.

How high is the UV index in May in Madison?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Madison, WI

Average temperature in May - Madison, 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 (23.9°F).

  • Average low temperature in May: 48.7°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).

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Average pressure in May
Madison, WI

Average pressure in May - Madison, WI
  • Average pressure in May: 29.96"

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

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Average wind speed in May
Madison, WI

Average wind speed in May - Madison, WI
  • Average wind speed in May: 8.7mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in May
Madison, WI

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

Months with the highest relative humidity are January and February (88%).
Months with the lowest relative humidity are April and October (77%).

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Average rainfall in May
Madison, WI

Average rainfall in May - Madison, WI
  • Average rainfall in May: 0.59"

The wettest month (with the highest rainfall) is July (0.63").
The driest months (with the least rainfall) are January, March, November and December (0.24").

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Average rainfall days in May
Madison, WI

Average rainfall days in May - Madison, WI
  • Average rainfall days in May: 6.6 days

The month with the highest number of rainy days is June (6.7 days).
The month with the least rainy days is January (1.1 days).

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Average snowfall in May
Madison, WI

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

The month with the highest snowfall is February (0.94").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Madison, WI

Average snowfall days in May - Madison, WI
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (5.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Madison, WI
  • Average daylight in May: 14.7h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 8.3h

The month with the most sunshine is July (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 3.3h).

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Average sunshine days in May
Madison, WI

Average sunshine days in May - Madison, WI
  • Average sunshine days in May: 21.2 days

The month with the most sunshine days is December (27 days).
The month with the least sunshine days is June (19.8 days).

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Average UV index in May
Madison, WI

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

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in May
Madison, WI

Average cloud cover in May - Madison, WI
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Madison, WI

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

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

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