May weather forecast
Dallas, WI

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Weather in May

The last month of the spring, May, is an enjoyable month in Dallas, Wisconsin, with an average temperature varying between 64°F (17.8°C) and 45.5°F (7.5°C).

Temperature

As April transitions into May, a clear upsurge in temperatures is observed, with average highs advancing from a chilly 49.6°F (9.8°C) to a comfortable 64°F (17.8°C). In May, Dallas experiences a temperature dip to an average of 45.5°F (7.5°C) at night.

Humidity

The least humid month in Dallas is May, with an average relative humidity of 76%.

Rainfall

In May, in Dallas, the rain falls for 17.5 days. Throughout May, 3.11" (79mm) of precipitation is accumulated. Throughout the year, in Dallas, there are 137.1 rainfall days, and 24.72" (628mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Dallas aggregates 0.67" (17mm) of snow. In Dallas, Wisconsin, during the entire year, snow falls for 84.2 days and aggregates up to 30.63" (778mm) of snow.

Daylight

The average length of the day in May in Dallas is 14h and 54min.
On the first day of May, sunrise is at 5:54 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:47 pm CDT.

Sunshine

The average sunshine in May in Dallas is 8.4h.

UV index

In Dallas, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What are May temperatures in Dallas?

The average high-temperature and low-temperature during May are 64°F (17.8°C) and 45.5°F (7.5°C) respectively.

What is the least humid month in Dallas?

May is the least humid month in Dallas, Wisconsin, with an average relative humidity of 76%.

What is the average humidity in May in Dallas?

In May, the average relative humidity in Dallas, Wisconsin, is 76%.

How much does it rain in Dallas in May?

In Dallas, Wisconsin, in May, it is raining for 17.5 days, with typically 3.11" (79mm) of accumulated precipitation.

What is the last month it snows in Dallas?

May is the last month it regularly snows in Dallas. During 0.9 snowfall days, in May, Dallas aggregates 0.67" (17mm) of snow.

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

In May, the average day length in Dallas is 14h and 54min.

When is the sunrise / sunset in May in Dallas?

On the first day of May in Dallas, sunrise is at 5:54 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:47 pm CDT.

How many hours of sunshine does Dallas have in May?

In Dallas, Wisconsin, the average sunshine duration in May is 8.4h.

How high is the UV index in May in Dallas?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Dallas, WI

Average temperature in May - Dallas, WI
  • Average high temperature in May: 64°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (17.6°F).

  • Average low temperature in May: 45.5°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in May
Dallas, WI

Average pressure in May - Dallas, WI
  • Average pressure in May: 29.95"Hg

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in May
Dallas, WI

Average wind speed in May - Dallas, WI
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in May
Dallas, WI

Average humidity in May - Dallas, WI
  • Average humidity in May: 76%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in May
Dallas, WI

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

The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in May
Dallas, WI

Average rainfall days in May - Dallas, WI
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.6 days).

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Average snowfall in May
Dallas, WI

Average snowfall in May - Dallas, WI
  • Average snowfall in May: 0.67"

The month with the highest snowfall is February (6.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Dallas, WI

Average snowfall days in May - Dallas, WI
  • Average snowfall days in May: 0.9 days

The month with the highest number of snowfall days is January (18.8 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
Dallas, WI

Average daylight in May / Average sunshine in May - Dallas, WI
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in May
Dallas, WI

Average sunshine days in May - Dallas, WI
  • Average sunshine days in May: 11.4 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.4 days).

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Average UV index in May
Dallas, WI

Average UV index in May - Dallas, WI
  • Average UV index in May: 5

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

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Average cloud cover in May
Dallas, WI

Average cloud cover in May - Dallas, WI
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).

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Average visibility in May
Dallas, WI

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

The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Dallas, Wisconsin, USA

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