May weather forecast
Allen, MI

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Weather in May

The last month of the spring, May, is an enjoyable month in Allen, Michigan, with an average temperature ranging between max 67.6°F (19.8°C) and min 50.2°F (10.1°C).

Temperature

Allen sees a rise in temperature during May, with average high-temperatures transitioning from a moderate 55.4°F (13°C) in April to an enjoyable 67.6°F (19.8°C). In the month of May, the temperature generally rests at an average low of 50.2°F (10.1°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Allen, in May, during 18.8 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. In Allen, during the entire year, the rain falls for 154.4 days and collects up to 28.54" (725mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Allen. May is the last month it regularly snows. During 0.3 snowfall days, in May, Allen aggregates 0.12" (3mm) of snow. Throughout the year, in Allen, there are 54.3 snowfall days, and 16.89" (429mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 35min.
On the first day of May in Allen, Michigan, sunrise is at 6:33 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 9:07 pm EDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average May temperature in Allen?

The high-temperature, in May, in Allen, is 67.6°F (19.8°C), while the low-temperature averages to 50.2°F (10.1°C).

What is the average humidity in May in Allen?

The average relative humidity in May is 80%.

How much does it rain in Allen in May?

In Allen, during May, the rain falls for 18.8 days and regularly aggregates up to 3.62" (92mm) of precipitation.

What is the last month it snows in Allen?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Allen aggregates 0.12" (3mm) of snow.

How many hours of daylight does Allen have in May?

The average day length in May in Allen is 14h and 35min.

What time are sunrise and sunset in May in Allen?

In May, on the first day of the month, sunrise is at 6:33 am and sunset at 8:38 pm. On the last day of the month, in Allen, Michigan, sunrise is at 6:06 am and sunset at 9:07 pm EDT.

How many hours of sunshine does Allen have in May?

The average sunshine duration in May in Allen is 8.2h.

When is the highest UV index in Allen?

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

What is the UV index reading in May in Allen?

In Allen, Michigan, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Allen, MI

Average temperature in May - Allen, MI
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

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Average pressure in May
Allen, MI

Average pressure in May - Allen, MI
  • Average pressure in May: 29.97"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).

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Average wind speed in May
Allen, MI

Average wind speed in May - Allen, MI
  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in May
Allen, MI

Average humidity in May - Allen, 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
Allen, MI

Average rainfall in May - Allen, MI
  • Average rainfall in May: 3.62"

The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is November (1.57").

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Average rainfall days in May
Allen, MI

Average rainfall days in May - Allen, MI
  • Average rainfall days in May: 18.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.3 days).

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Average snowfall in May
Allen, MI

Average snowfall in May - Allen, MI
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Allen, MI

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

The month with the highest number of snowfall days is January (14 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
Allen, MI

Average daylight in May / Average sunshine in May - Allen, 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 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in May
Allen, MI

Average sunshine days in May - Allen, MI
  • Average sunshine days in May: 10 days

The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is May (10 days).

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Average UV index in May
Allen, MI

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

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

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Average cloud cover in May
Allen, MI

Average cloud cover in May - Allen, MI
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
Allen, MI

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

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

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Allen, Michigan, USA

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