May weather forecast
Wauwatosa, WI

Weather in May

The last month of the spring, May, is a comfortable month in Wauwatosa, Wisconsin, with an average temperature ranging between min 47.8°F (8.8°C) and max 61.7°F (16.5°C).

Temperature

In May, the average high-temperature increases from a cool 50°F (10°C) in April to an enjoyable 61.7°F (16.5°C). In Wauwatosa, Wisconsin, in May, the average low-temperature is 47.8°F (8.8°C).

Humidity

In Wauwatosa, the average relative humidity in May is 78%.

Rainfall

In Wauwatosa, in May, it is raining for 9.4 days, with typically 0.71" (18mm) of accumulated precipitation. In Wauwatosa, during the entire year, the rain falls for 75.6 days and collects up to 5.83" (148mm) of precipitation.

Snowfall

In Wauwatosa, snow does not fall through September.

Daylight

In May, the average length of the day is 14h and 41min.
On the first day of May, sunrise is at 5:45 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:23 pm CDT.

Sunshine

In Wauwatosa, the average sunshine in May is 8.5h.

UV index

In Wauwatosa, Wisconsin, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Wauwatosa?

The average relative humidity in May in Wauwatosa is 78%.

How much does it rain in Wauwatosa in May?

In May, in Wauwatosa, the rain falls for 9.4 days. Throughout May, 0.71" (18mm) of precipitation is accumulated.

When it does not snow in Wauwatosa?

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

Does it snow in Wauwatosa in May?

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

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

In May, the average day length in Wauwatosa, Wisconsin, is 14h and 41min.

When are sunrise and sunset in May in Wauwatosa?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 7:53 pm. On the last day of the month, in Wauwatosa, Wisconsin, sunrise is at 5:15 am and sunset at 8:23 pm CDT.

How long on average sun shines in May in Wauwatosa?

In Wauwatosa, Wisconsin, the average sunshine duration in May is 8.5h.

What is the UV index reading in May in Wauwatosa?

The average daily maximum UV index in May in Wauwatosa, Wisconsin, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Wauwatosa, WI

Average temperature in May - Wauwatosa, WI
  • Average high temperature in May: 61.7°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in May
Wauwatosa, WI

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

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Wauwatosa, WI

Average wind speed in May - Wauwatosa, WI
  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in May
Wauwatosa, WI

Average humidity in May - Wauwatosa, WI
  • Average humidity in May: 78%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in May
Wauwatosa, WI

Average rainfall in May - Wauwatosa, WI
  • Average rainfall in May: 0.71"

The wettest month (with the highest rainfall) is July (0.75").
The driest months (with the least rainfall) are February and December (0.28").

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Average rainfall days in May
Wauwatosa, WI

Average rainfall days in May - Wauwatosa, WI
  • Average rainfall days in May: 9.4 days

The month with the highest number of rainy days is June (9.9 days).
The months with the least rainy days are January and February (1.8 days).

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Average snowfall in May
Wauwatosa, WI

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

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Wauwatosa, WI

Average snowfall days in May - Wauwatosa, WI
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (6.6 days).
The 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
Wauwatosa, WI

Average daylight in May / Average sunshine in May - Wauwatosa, WI
  • Average daylight in May: 14h and 41min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in May: 8h and 30min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
Wauwatosa, WI

Average sunshine days in May - Wauwatosa, WI
  • Average sunshine days in May: 18.1 days

The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (17.3 days).

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Average UV index in May
Wauwatosa, WI

Average UV index in May - Wauwatosa, WI
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Wauwatosa, WI

Average cloud cover in May - Wauwatosa, WI
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in May
Wauwatosa, WI

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

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

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