Madison
Wisconsin, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Madison, WI

A view of the State Capitol building in Madison, Wisconsin, on a beautiful spring evening
A view of the State Capitol building in Madison, Wisconsin, on a beautiful spring evening
  • The average high temperature in May: 20.2°C

The warmest month (with the highest average high temperature) is July (27.6°C).
The month with the lowest average high temperature is January (-3.1°C).

  • The average low temperature in May: 7.8°C

The month with the highest average low temperature is July (16.1°C).
The coldest month (with the lowest average low temperature) is January (-11.6°C).

  • The average humidity in May: 65.8%

The month with the highest relative humidity is December (78.5%).
The month with the lowest relative humidity is May (65.8%).

  • The average rainfall in May: 90.2mm

The wettest month (with the highest rainfall) is June (115.3mm).
The driest month (with the lowest rainfall) is January (31.2mm).

  • The average rainfall days in May: 11.9 days

The month with the highest number of rainy days is April (12.1 days).
The month with the lowest number of rainy days is February (9.2 days).

  • The average snowfall in May: 5.1mm

The month with the highest snowfall is December (342.9mm).
Months with the lowest snowfall are June, July, August and September (0mm).

  • The average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (9.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

  • The average daylight in May: 15h

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • The average sunshine in May: 8.5h

Months with most sunshine are June and July (Average sunshine: 9.8h).
The month with least sunshine is December (Average sunshine: 3.5h).

  • The average UV index in May: 7

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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