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 last month of the spring, May, is a comfortable month in Madison, Wisconsin, with average temperature fluctuating between 48.7°F (9.3°C) and 65.8°F (18.8°C).

Temperature

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

Humidity

In Madison, the average relative humidity is 80%.

Rainfall

In Madison, Wisconsin, in May, 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

In Madison snow does not fall through September.

Daylight

In Madison, 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 in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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.

What is the temperature in May in Madison?

In May, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Madison?

The average relative humidity in May is 80%.

How much does it rain in Madison in May?

In Madison, Wisconsin, in May, it is raining for 6.6 days, with typically 0.59" (15mm) of accumulated precipitation.

Does it snow in Madison in May?

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

When it does not snow in Madison?

In Madison snow does not fall in May through September.

How many hours of daylight does Madison have in May?

The average length of the day in May is 14.7h.

How long on average sun shines in May in Madison?

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

What is the UV index reading in May in Madison?

In May, the average daily maximum UV index in Madison is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in May - Madison, WI
  • Average high temperature in May: 18.8°C

The warmest month (with the highest average high temperature) is July (25.9°C).
The month with the lowest average high temperature is January (-4.5°C).

  • Average low temperature in May: 9.3°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).

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%).

Average rainfall in May - Madison, WI
  • Average rainfall in May: 15mm

The wettest month (with the highest rainfall) is July (16mm).
Driest months (with the lowest rainfall) are January, March, November and December (6mm).

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 lowest number of rainy days is January (1.1 days).

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

The month with the highest snowfall is February (24mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

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 lowest number of snowfall days are June, July, August and September (0 days).

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 shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 8.3h

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

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).