May weather forecast
Germantown, WI

Weather in May

The last month of the spring, May, is a comfortable month in Germantown, Wisconsin, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 62.1°F (16.7°C).

Temperature

In May, the average high-temperature increases from a cool 50.2°F (10.1°C) in April to a comfortable 62.1°F (16.7°C). The average low-temperature, in May, is 47.1°F (8.4°C).

Humidity

The average relative humidity in May in Germantown is 79%.

Rainfall

May is the month with the most rainfall in Germantown. Rain falls for 17 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day in Germantown is 14h and 42min.
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 8:24 pm CDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

In Germantown, Wisconsin, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in May in Germantown?

The average relative humidity in May in Germantown, Wisconsin, is 79%.

What is the rainiest month in Germantown?

The month with the most rainfall in Germantown, Wisconsin, is May, when the rain falls for 17 days and typically aggregates up to 3.11" (79mm) of precipitation.

How much does it rain in Germantown in May?

In Germantown, in May, during 17 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When it does not snow in Germantown?

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

Does it snow in Germantown 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 Germantown?

In May, the average day length in Germantown, Wisconsin, is 14h and 42min.

What time are sunrise and sunset in May in Germantown?

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, sunrise is at 5:15 am and sunset at 8:24 pm CDT.

How long on average sun shines in May in Germantown?

In Germantown, the average sunshine duration in May is 8.8h.

How high is the UV index in May in Germantown?

In May, the average daily maximum UV index in Germantown, Wisconsin, is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Germantown, WI

Average temperature in May - Germantown, WI
  • Average high temperature in May: 62.1°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in May: 47.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in May
Germantown, WI

Average pressure in May - Germantown, 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 (29.91"Hg).

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Average wind speed in May
Germantown, WI

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

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in May
Germantown, WI

Average humidity in May - Germantown, WI
  • Average humidity in May: 79%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in May
Germantown, WI

Average rainfall in May - Germantown, WI
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in May
Germantown, WI

Average rainfall days in May - Germantown, WI
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in May
Germantown, WI

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

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Germantown, WI

Average snowfall days in May - Germantown, WI
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Germantown, WI
  • Average daylight in May: 14h and 42min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 2min).

  • Average sunshine in May: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in May
Germantown, WI

Average sunshine days in May - Germantown, WI
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).

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Average UV index in May
Germantown, WI

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in May
Germantown, WI

Average cloud cover in May - Germantown, WI
  • Average cloud cover in May: 41

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
Germantown, WI

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

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

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