May weather forecast
Decker, MI

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Weather in May

The last month of the spring, May, is a comfortable month in Decker, Michigan, with an average temperature ranging between min 46.2°F (7.9°C) and max 64.4°F (18°C).

Temperature

As Decker enters May, the average high-temperature increases from the a cool 51.3°F (10.7°C) of April to a comfortable 64.4°F (18°C). In May, Decker reports a consistent average low-temperature of 46.2°F (7.9°C) during the nights.

Humidity

April and May, with an average relative humidity of 77%, are the least humid months.

Rainfall

May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 2.52" (64mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Decker aggregates 0.08" (2mm) of snow. In Decker, during the entire year, snow falls for 61.5 days and aggregates up to 17.95" (456mm) of snow.

Daylight

In Decker, the average length of the day in May is 14h and 43min.
On the first day of May, sunrise is at 6:23 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 9:05 pm EDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 5 during May leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.

Frequently asked questions

What is the average May temperature?

The high-temperature during May is 64.4°F (18°C) and the low-temperature is 46.2°F (7.9°C).

What are the least humid months?

The months with the lowest humidity are April and May, with an average relative humidity of 77%.

What is the average humidity in May?

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

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 2.52" (64mm) of precipitation.

How many days does it rain in May?

In Decker, in May, it is raining for 17.5 days, with typically 2.52" (64mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Decker aggregates 0.08" (2mm) of snow.

How many hours of daylight does Decker have in May?

In Decker, the average day length in May is 14h and 43min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:23 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 9:05 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.5h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

How high is the UV index in May?

In May, the average daily maximum UV index 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Decker, MI

Average temperature in May - Decker, MI
  • Average high temperature in May: 64.4°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in May: 46.2°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in May
Decker, MI

Average pressure in May - Decker, 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 (29.93"Hg).

Average wind speed in May
Decker, MI

Average wind speed in May - Decker, MI
  • Average wind speed in May: 8.5mph

The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in May
Decker, MI

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

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (77%).

Average rainfall in May
Decker, MI

Average rainfall in May - Decker, MI
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (1.1").

Average rainfall days in May
Decker, MI

Average rainfall days in May - Decker, MI
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4 days).

Average snowfall in May
Decker, MI

Average snowfall in May - Decker, MI
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Decker, MI

Average snowfall days in May - Decker, MI
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days in May
Decker, MI

Average sunshine days in May - Decker, MI
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in May
Decker, MI

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

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

Average cloud cover in May
Decker, MI

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

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Decker, MI

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Decker, Michigan, USA

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