May weather forecast
Marietta, MN

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Weather in May

The last month of the spring, May, is a comfortable month in Marietta, Minnesota, with an average temperature varying between 67.1°F (19.5°C) and 49.6°F (9.8°C).

Temperature

The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a fresh 53.6°F (12°C) in April to a comfortable 67.1°F (19.5°C). Marietta's temperature lowers to a mean of 49.6°F (9.8°C) during the nights in May.

Humidity

In Marietta, the average relative humidity in May is 67%.

Rainfall

In Marietta, in May, it is raining for 13.3 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Marietta, there are 99.9 rainfall days, and 19.65" (499mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Marietta aggregates 0.31" (8mm) of snow. In Marietta, during the entire year, snow falls for 47 days and aggregates up to 20.35" (517mm) of snow.

Daylight

In Marietta, Minnesota, the average length of the day in May is 14h and 53min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:31 pm. On the last day of May, sunrise is at 5:42 am and sunset at 9:04 pm CDT.

Sunshine

The average sunshine in May in Marietta is 8.8h.

UV index

In Marietta, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the UV index of 5 transforms into the following advice:
Be careful. Light complexion individuals might get burns in fewer 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. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in Marietta?

In May, in Marietta, the average high-temperature is 67.1°F (19.5°C), and the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in May in Marietta?

In Marietta, Minnesota, the average relative humidity in May is 67%.

How many days does it rain in May in Marietta?

In Marietta, Minnesota, in May, it is raining for 13.3 days, with typically 2.44" (62mm) of accumulated precipitation.

What is the last month it snows in Marietta?

May is the last month it regularly snows in Marietta, Minnesota. During 0.1 snowfall days, in May, Marietta aggregates 0.31" (8mm) of snow.

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

In Marietta, Minnesota, the average day length in May is 14h and 53min.

When are sunrise and sunset in May in Marietta?

In May, on the first day of the month, sunrise is at 6:13 am and sunset at 8:31 pm. On the last day of the month, in Marietta, sunrise is at 5:42 am and sunset at 9:04 pm CDT.

How many hours of sunshine does Marietta have in May?

The average sunshine duration in May in Marietta, Minnesota, is 8.8h.

How high is the UV index in May in Marietta?

In May, the average daily maximum UV index in Marietta, Minnesota, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Marietta, MN

Average temperature in May - Marietta, MN
  • Average high temperature in May: 67.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

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Average pressure in May
Marietta, MN

Average pressure in May - Marietta, MN
  • Average pressure in May: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in May
Marietta, MN

Average wind speed in May - Marietta, MN
  • Average wind speed in May: 9.4mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in May
Marietta, MN

Average humidity in May - Marietta, MN
  • Average humidity in May: 67%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).

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Average rainfall in May
Marietta, MN

Average rainfall in May - Marietta, MN
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in May
Marietta, MN

Average rainfall days in May - Marietta, MN
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in May
Marietta, MN

Average snowfall in May - Marietta, MN
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Marietta, MN

Average snowfall days in May - Marietta, MN
  • Average snowfall days in May: 0.1 days

The months with the highest number of snowfall days are January and December (10.5 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
Marietta, MN

Average daylight in May / Average sunshine in May - Marietta, MN
  • 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in May
Marietta, MN

Average sunshine days in May - Marietta, MN
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (12.6 days).

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Average UV index in May
Marietta, MN

Average UV index in May - Marietta, MN
  • Average UV index in May: 5

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

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Average cloud cover in May
Marietta, MN

Average cloud cover in May - Marietta, MN
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in May
Marietta, MN

Average visibility in May - Marietta, MN
  • 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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Marietta, Minnesota, USA

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