May weather forecast
Mattawan, MI

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Weather in May

May, the last month of the spring in Mattawan, is a refreshing month, with an average temperature ranging between max 67.1°F (19.5°C) and min 49.6°F (9.8°C).

Temperature

An escalation in the average high-temperature is seen with the onset of May, moving from a cool 55°F (12.8°C) in April to a comfortable 67.1°F (19.5°C). Mattawan registers a consistent average low-temperature of 49.6°F (9.8°C) during May.

Humidity

The average relative humidity in May in Mattawan is 80%.

Rainfall

The month with the most rainfall in Mattawan is May, when the rain falls for 17.8 days and typically aggregates up to 3.31" (84mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Mattawan. During 0.2 snowfall days, in May, Mattawan aggregates 0.16" (4mm) of snow. Throughout the year, there are 71.3 snowfall days, and 24.69" (627mm) of snow is accumulated.

Daylight

In Mattawan, the average length of the day in May is 14h and 36min.
On the first day of May in Mattawan, sunrise is at 6:37 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 9:12 pm EDT.

Sunshine

In Mattawan, the average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May in Mattawan is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the average May temperature in Mattawan?

The high-temperature, in May, in Mattawan, records 67.1°F (19.5°C), while the low-temperature is 49.6°F (9.8°C).

What is the average humidity in May in Mattawan?

In May, the average relative humidity in Mattawan is 80%.

What is the wettest month in Mattawan?

May is the month with the most rainfall in Mattawan, Michigan. Rain falls for 17.8 days and accumulates 3.31" (84mm) of precipitation.

How much does it rain in Mattawan in May?

In Mattawan, during May, the rain falls for 17.8 days and regularly aggregates up to 3.31" (84mm) of precipitation.

What is the last month it snows in Mattawan?

May is the last month it regularly snows in Mattawan, Michigan. During 0.2 snowfall days, in May, Mattawan aggregates 0.16" (4mm) of snow.

How many hours of daylight does Mattawan have in May?

In May, the average day length in Mattawan is 14h and 36min.

When are sunrise and sunset in May in Mattawan?

On the first day of May in Mattawan, Michigan, sunrise is at 6:37 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 9:12 pm EDT.

How many hours of sunshine does Mattawan have in May?

In Mattawan, the average sunshine duration in May is 8.5h.

What is the UV index intensity in May in Mattawan?

The average daily maximum UV index in May in Mattawan is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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
Mattawan, MI

Average temperature in May - Mattawan, MI
  • Average high temperature in May: 67.1°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in May
Mattawan, MI

Average pressure in May - Mattawan, MI
  • Average pressure in May: 29.97"Hg

The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Mattawan, MI

Average wind speed in May - Mattawan, MI
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in May
Mattawan, MI

Average humidity in May - Mattawan, MI
  • Average humidity in May: 80%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall in May
Mattawan, MI

Average rainfall in May - Mattawan, MI
  • Average rainfall in May: 3.31"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in May
Mattawan, MI

Average rainfall days in May - Mattawan, MI
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in May
Mattawan, MI

Average snowfall in May - Mattawan, MI
  • Average snowfall in May: 0.16"

The month with the highest snowfall is January (6.22").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Mattawan, MI

Average snowfall days in May - Mattawan, MI
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (19.6 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
Mattawan, MI

Average daylight in May / Average sunshine in May - Mattawan, 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 3min

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 48min).

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Average sunshine days in May
Mattawan, MI

Average sunshine days in May - Mattawan, MI
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (7.3 days).

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Average UV index in May
Mattawan, MI

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

The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Mattawan, MI

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

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in May
Mattawan, MI

Average visibility in May - Mattawan, MI
  • Average visibility in May: 6mi

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

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Mattawan, Michigan, USA

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