May weather forecast
Petersburg, MI

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Weather in May

May, the last month of the spring in Petersburg, is a pleasant month, with an average temperature fluctuating between 68.5°F (20.3°C) and 50.7°F (10.4°C).

Temperature

Petersburg sees a rise in temperature during May, with average high-temperatures transitioning from a moderate 55.6°F (13.1°C) in April to an agreeable 68.5°F (20.3°C). Petersburg records an average nighttime low-temperature of 50.7°F (10.4°C) throughout May.

Humidity

In Petersburg, Michigan, the average relative humidity in May is 77%.

Rainfall

In Petersburg, Michigan, during May, the rain falls for 16.8 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Petersburg, during the entire year, the rain falls for 132.8 days and collects up to 16.18" (411mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 34min.
On the first day of the month, sunrise is at 6:29 am and sunset at 8:33 pm. On the last day of May, in Petersburg, sunrise is at 6:02 am and sunset at 9:03 pm EDT.

Sunshine

In Petersburg, the average sunshine in May is 8.6h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Petersburg in May?

In May, in Petersburg, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in May?

The average relative humidity in May is 77%.

How many days does it rain in May?

In Petersburg, in May, during 16.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

How many hours of daylight does Petersburg have in May?

The average day length in May is 14h and 34min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:29 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 9:03 pm EDT.

How many hours of sunshine does Petersburg have in May?

In Petersburg, the average sunshine duration in May is 8.6h.

What is the UV index reading in May?

In Petersburg, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Petersburg, MI

Average temperature in May - Petersburg, MI
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 50.7°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 (18.3°F).

Average pressure in May
Petersburg, MI

Average pressure in May - Petersburg, MI
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Petersburg, MI

Average wind speed in May - Petersburg, MI
  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in May
Petersburg, MI

Average humidity in May - Petersburg, MI
  • Average humidity in May: 77%

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

Average rainfall in May
Petersburg, MI

Average rainfall in May - Petersburg, MI
  • Average rainfall in May: 2.09"

The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in May
Petersburg, MI

Average rainfall days in May - Petersburg, MI
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in May
Petersburg, MI

Average snowfall in May - Petersburg, MI
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Petersburg, MI

Average snowfall days in May - Petersburg, MI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Petersburg, MI

Average daylight in May / Average sunshine in May - Petersburg, MI
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in May
Petersburg, MI

Average sunshine days in May - Petersburg, MI
  • Average sunshine days in May: 11.4 days

The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is May (11.4 days).

Average UV index in May
Petersburg, MI

Average UV index in May - Petersburg, MI
  • Average UV index in May: 5

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

Average cloud cover in May
Petersburg, MI

Average cloud cover in May - Petersburg, MI
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in May
Petersburg, MI

Average visibility in May - Petersburg, MI
  • 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).

Petersburg, Michigan, USA

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