May weather forecast
Saint Helen, MI

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Weather in May

The last month of the spring, May, is a comfortable month in Saint Helen, Michigan, with an average temperature ranging between max 64.8°F (18.2°C) and min 44.8°F (7.1°C).

Temperature

A clear escalation in the average high-temperature marks the arrival of May, surging from a cool 50.4°F (10.2°C) in April to a comfortable 64.8°F (18.2°C). During the month of May, the temperature in Saint Helen falls to an average of 44.8°F (7.1°C).

Humidity

May is the least humid month, with an average relative humidity of 72%.

Rainfall

The wettest months in Saint Helen are May and October, with an average 2.68" (68mm) of rainfall.

Snowfall

Months with snowfall in Saint Helen are January through May, October through December. May is the last month it regularly snows. During 0.5 snowfall days, in May, Saint Helen aggregates 0.16" (4mm) of snow. Throughout the year, there are 83.9 snowfall days, and 28.27" (718mm) of snow is accumulated.

Daylight

The average length of the day in May in Saint Helen is 14h and 49min.
On the first day of the month, sunrise is at 6:27 am and sunset at 8:42 pm. On the last day of May, sunrise is at 5:56 am and sunset at 9:14 pm EDT.

Sunshine

In May, the average sunshine in Saint Helen, Michigan, is 8.8h.

UV index

In May, the average daily maximum UV index in Saint Helen is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 4 in May transforms into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What are May temperatures in Saint Helen?

The high-temperature in Saint Helen, Michigan, during May is 64.8°F (18.2°C) and the low-temperature is 44.8°F (7.1°C).

What is the least humid month in Saint Helen?

The least humid month in Saint Helen, Michigan, is May, with an average relative humidity of 72%.

What is the average humidity in May in Saint Helen?

In May, the average relative humidity is 72%.

What is the wettest month in Saint Helen?

The months with the most rainfall in Saint Helen, Michigan, are May and October, with an average 2.68" (68mm) of precipitation.

How much does it rain in Saint Helen in May?

In Saint Helen, Michigan, in May, during 14.6 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

What is the last month it snows in Saint Helen?

May is the last month it regularly snows. During 0.5 snowfall days, in May, Saint Helen aggregates 0.16" (4mm) of snow.

What is the average length of the day in May in Saint Helen?

The average day length in May in Saint Helen, Michigan, is 14h and 49min.

When is the sunrise / sunset in May in Saint Helen?

In May, on the first day of the month, sunrise is at 6:27 am and sunset at 8:42 pm. On the last day of the month, in Saint Helen, sunrise is at 5:56 am and sunset at 9:14 pm EDT.

How many hours of sunshine does Saint Helen have in May?

In May, the average sunshine duration in Saint Helen, Michigan, is 8.8h.

How high is the UV index in May in Saint Helen?

The average daily maximum UV index in May in Saint Helen, Michigan, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Saint Helen, MI

Average temperature in May - Saint Helen, MI
  • Average high temperature in May: 64.8°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 (25.2°F).

  • Average low temperature in May: 44.8°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in May
Saint Helen, MI

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

The month with the highest atmospheric pressure is 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
Saint Helen, MI

Average wind speed in May - Saint Helen, MI
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in May
Saint Helen, MI

Average humidity in May - Saint Helen, MI
  • Average humidity in May: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in May
Saint Helen, MI

Average rainfall in May - Saint Helen, MI
  • Average rainfall in May: 2.68"

The wettest months (with the highest rainfall) are May and October (2.68").
The driest month (with the least rainfall) is September (0.98").

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Average rainfall days in May
Saint Helen, MI

Average rainfall days in May - Saint Helen, MI
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is October (16.3 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in May
Saint Helen, MI

Average snowfall in May - Saint Helen, MI
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (8.03").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Saint Helen, MI

Average snowfall days in May - Saint Helen, MI
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (21 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
Saint Helen, MI

Average daylight in May / Average sunshine in May - Saint Helen, MI
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

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Average sunshine days in May
Saint Helen, MI

Average sunshine days in May - Saint Helen, MI
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in May
Saint Helen, MI

Average UV index in May - Saint Helen, MI
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in May
Saint Helen, MI

Average cloud cover in May - Saint Helen, MI
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in May
Saint Helen, MI

Average visibility in May - Saint Helen, MI
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Saint Helen, Michigan, USA

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