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

August 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 summer, August, is another warm month in Madison, Wisconsin, with average temperature ranging between min 59°F (15°C) and max 79.3°F (26.3°C).

Temperature

In Madison, the average high-temperature is essentially the same as in July - a still moderately hot 79.3°F (26.3°C). In August, the average low-temperature is 59°F (15°C).

Humidity

In Madison, the average relative humidity is 74.4%.

Rainfall

In Madison, in August, it is raining for 9.4 days, with typically 4.3" (108.5mm) of accumulated precipitation. Throughout the year, in Madison, there are 124.8 rainfall days, and 34.5" (875.9mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day in Madison is 13.9h.

Sunshine

The average sunshine in August is 8.7h.

UV index

In August, the average daily maximum UV index in Madison, Wisconsin, is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 8 transform into the following instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in August in Madison?

In Madison, in August, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 59°F (15°C).

What is the average humidity in August in Madison?

In Madison, the average relative humidity in August is 74.4%.

How much does it rain in Madison in August?

In Madison, Wisconsin, during August, the rain falls for 9.4 days and regularly aggregates up to 4.3" (108.5mm) of precipitation.

When it does not snow in Madison?

June through September are months without snowfall.

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

The average length of the day in August in Madison, Wisconsin, is 13.9h.

How long on average sun shines in August in Madison?

In Madison, Wisconsin, the average sunshine in August is 8.7h.

What is the UV index reading in August in Madison?

The average daily maximum UV index in August in Madison, Wisconsin, is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in August - Madison, WI
  • Average high temperature in August: 79.4°F

The warmest month (with the highest average high temperature) is July (81.6°F).
The month with the lowest average high temperature is January (26.4°F).

  • Average low temperature in August: 59°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).

Average humidity in August - Madison, WI
  • Average humidity in August: 74.4%

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

Average rainfall in August - Madison, WI
  • Average rainfall in August: 4.3"

The wettest month (with the highest rainfall) is June (4.5").
The driest month (with the lowest rainfall) is January (1.2").

Average rainfall days in August - Madison, WI
  • Average rainfall days in August: 9.4 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).

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

The month with the highest snowfall is December (13.5").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in August - Madison, WI
  • Average snowfall days in August: 0 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).

Average daylight in August / Average sunshine in August - Madison, WI
  • Average daylight in August: 13.9h

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 August: 8.7h

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

Average UV index in August - Madison, WI
  • Average UV index in August: 8

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).