May weather forecast
Rochester, MI

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Weather in May

May, the last month of the spring in Rochester, is a refreshing month, with an average temperature fluctuating between 48.9°F (9.4°C) and 66.7°F (19.3°C).

Temperature

As April transitions into May, Rochester sees a rise in the average high-temperature, moving from a fresh 53.6°F (12°C) to a refreshing 66.7°F (19.3°C). Throughout the month of May, the average temperature dips to a frosty 48.9°F (9.4°C) at night.

Humidity

April, May, July and August, with an average relative humidity of 75%, are the least humid months in Rochester, Michigan.

Rainfall

The month with the most rainfall in Rochester is May, when the rain falls for 16.8 days and typically aggregates up to 2.28" (58mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Rochester, Michigan. May is the last month it regularly snows in Rochester. During 0.2 snowfall days, in May, Rochester aggregates 0.31" (8mm) of snow. In Rochester, during the entire year, snow falls for 62.5 days and aggregates up to 14.09" (358mm) of snow.

Daylight

In May, the average length of the day is 14h and 39min.
On the first day of the month, sunrise is at 6:25 am and sunset at 8:33 pm. On the last day of May, in Rochester, Michigan, sunrise is at 5:57 am and sunset at 9:03 pm EDT.

Sunshine

In Rochester, Michigan, the average sunshine in May is 8.7h.

UV index

The average daily maximum UV index in May in Rochester is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 5 during May leads to these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in May in Rochester?

In Rochester, in May, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 48.9°F (9.4°C).

What is the least humid month in Rochester?

The months with the lowest humidity in Rochester are April, May, July and August, with an average relative humidity of 75%.

What is the average humidity in May in Rochester?

The average relative humidity in May is 75%.

What is the wettest month in Rochester?

May is the month with the most rainfall in Rochester. Rain falls for 16.8 days and accumulates 2.28" (58mm) of precipitation.

How many days does it rain in May in Rochester?

In Rochester, during May, the rain falls for 16.8 days and regularly aggregates up to 2.28" (58mm) of precipitation.

What is the last month it snows in Rochester?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Rochester aggregates 0.31" (8mm) of snow.

How many hours of daylight does Rochester have in May?

In May, the average day length in Rochester, Michigan, is 14h and 39min.

When is the sunrise / sunset in May in Rochester?

On the first day of May, sunrise is at 6:25 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 9:03 pm EDT.

How many hours of sunshine does Rochester have in May?

In Rochester, the average sunshine duration in May is 8.7h.

What is the UV index intensity in May in Rochester?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from 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
Rochester, MI

Average temperature in May - Rochester, MI
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in May: 48.9°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 (17.8°F).

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Average pressure in May
Rochester, MI

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

The months with the highest atmospheric pressure are 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
Rochester, MI

Average wind speed in May - Rochester, MI
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in May
Rochester, MI

Average humidity in May - Rochester, MI
  • Average humidity in May: 75%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, May, July and August (75%).

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Average rainfall in May
Rochester, MI

Average rainfall in May - Rochester, MI
  • Average rainfall in May: 2.28"

The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are February and December (1.02").

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Average rainfall days in May
Rochester, MI

Average rainfall days in May - Rochester, 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 January (6.4 days).

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Average snowfall in May
Rochester, MI

Average snowfall in May - Rochester, MI
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Rochester, MI

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

The month with the highest number of snowfall days is January (15.7 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
Rochester, MI

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in May
Rochester, MI

Average sunshine days in May - Rochester, MI
  • Average sunshine days in May: 12 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in May
Rochester, MI

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

The months with the highest UV index are July and 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
Rochester, MI

Average cloud cover in May - Rochester, MI
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in May
Rochester, MI

Average visibility in May - Rochester, 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).

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Rochester, Michigan, USA

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