May weather forecast
Monroe, MI

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Weather in May

May marks the official arrival of summer in Monroe, Michigan, with a noticeable rise in temperature. The longer daylight hours coupled with the prominent sunshine offers the ideal weather for outdoor activities. This month records the maximum temperature of 67.1°F (19.5°C), setting the stage for the approaching peak summer. Also, the warmer sea temperature allows fishing and water sports to thrive. The transition in climate from May to June is minimal, with both months characterized by bright, sunny weather.

Temperature

May in Monroe brings a temperature change, with average high-temperatures moving from April's cool 54.9°F (12.7°C) to an enjoyable 67.1°F (19.5°C). Throughout the month of May, Monroe expects an average low of 51.3°F (10.7°C).

Humidity

The average relative humidity in May is 77%.

Rainfall

The months with the most rainfall in Monroe are May, June and August, with an average 1.06" (27mm) of precipitation.

Snowfall

In Monroe, snow does not fall in May through October.

Ocean temperature

In May, the average ocean temperature is 50.7°F (10.4°C).
Note: Engaging in a swim in 50.7°F (10.4°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.

Daylight

In Monroe, the average length of the day in May is 14h and 35min.
On the first day of May, sunrise is at 6:28 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:02 pm EDT.

Sunshine

The average sunshine in May in Monroe is 8.8h.

UV index

In May, the average daily maximum UV index in Monroe is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take precautions - Protection against sun damage is advised. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Monroe in May?

In May, the average high-temperature and low-temperature in Monroe, Michigan, are 67.1°F (19.5°C) and 51.3°F (10.7°C) respectively.

What is the average humidity in May in Monroe?

The average relative humidity in May in Monroe, Michigan, is 77%.

What is the rainiest month in Monroe?

The months with the most rainfall are May, June and August, with an average 1.06" (27mm) of precipitation.

How much does it rain in Monroe in May?

In May, in Monroe, the rain falls for 12.2 days. Throughout May, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Monroe?

May through October are months without snowfall in Monroe, Michigan.

Does it snow in Monroe in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the water temperature in May in Monroe?

In May, the average ocean temperature in Monroe, Michigan, is 50.7°F (10.4°C). Swimming in 50.7°F (10.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in May in Monroe?

In May, the average day length in Monroe, Michigan, is 14h and 35min.

When are sunrise and sunset in May in Monroe?

On the first day of May in Monroe, Michigan, sunrise is at 6:28 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:02 pm EDT.

How long on average sun shines in May in Monroe?

In May, the average sunshine duration in Monroe is 8.8h.

How high is the UV index in May in Monroe?

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

Average temperature in May - Monroe, MI
  • Average high temperature in May: 67.1°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 (29.7°F).

  • Average low temperature in May: 51.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in May
Monroe, MI

Average pressure in May - Monroe, MI
  • Average pressure in May: 29.98"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).

Average wind speed in May
Monroe, MI

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in May
Monroe, MI

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

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).

Average rainfall in May
Monroe, MI

Average rainfall in May - Monroe, MI
  • Average rainfall in May: 1.06"

The wettest months (with the highest rainfall) are May, June and August (1.06").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in May
Monroe, MI

Average rainfall days in May - Monroe, MI
  • Average rainfall days in May: 12.2 days

The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in May
Monroe, MI

Average snowfall in May - Monroe, MI
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Monroe, MI

Average snowfall days in May - Monroe, MI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in May
Monroe, MI

Average sea temperature in May - Monroe, MI
  • Average sea temperature in May: 50.7°F

The best month for swimming (with the highest average sea temperature) is August (76.4°F).
The coldest month (with the lowest average sea temperature) is February (32.6°F).

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

Average daylight in May / Average sunshine in May - Monroe, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in May
Monroe, MI

Average sunshine days in May - Monroe, MI
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is April (14.9 days).

Average UV index in May
Monroe, MI

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
Monroe, MI

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

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in May
Monroe, MI

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

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

Monroe, Michigan, USA

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