May weather forecast and climate
River Rouge, MI

Weather in May

May, the last month of the spring, in River Rouge, is a comfortable month, with average temperature varying between 65.8°F (18.8°C) and 50.5°F (10.3°C).

Temperature

In River Rouge, the average high-temperature increases, from a cool 53.4°F (11.9°C) in April, to a comfortable 65.8°F (18.8°C). The average low-temperature, in May, is 50.5°F (10.3°C).

Humidity

The average relative humidity in May is 75%.

Rainfall

The month with the most rainfall in River Rouge is May when the rain falls for 15.9 days and typically aggregates up to 1.65" (42mm) of precipitation.

Snowfall

Months with snowfall in River Rouge are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, River Rouge aggregates 0.04" (1mm) of snow. Throughout the year, in River Rouge, there are 42.9 snowfall days, and 6.02" (153mm) of snow is accumulated.

Ocean temperature

In May, the average ocean temperature in River Rouge is 48.9°F (9.4°C).
Note: Swimming in 48.9°F (9.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In May, the average length of the day is 14.6h.

Sunshine

The average sunshine in May is 9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in River Rouge?

In River Rouge, Michigan, the average relative humidity in May is 75%.

What is the rainiest month in River Rouge?

The month with the most rainfall in River Rouge is May when the rain falls for 15.9 days and typically aggregates up to 1.65" (42mm) of precipitation.

How many days does it rain in May in River Rouge?

In River Rouge, in May, during 15.9 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

What is the last month it snows in River Rouge?

May is the last month it regularly snows in River Rouge, Michigan. During 0.1 snowfall days, in May, River Rouge aggregates 0.04" (1mm) of snow.

What is the ocean temperature in May in River Rouge?

In River Rouge, in May, the average water temperature is 48.9°F (9.4°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does River Rouge have in May?

In May, the average length of the day in River Rouge is 14.6h.

How long on average sun shines in May in River Rouge?

In River Rouge, Michigan, the average sunshine in May is 9h.

What is the UV index intensity in May in River Rouge?

In River Rouge, Michigan, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in May
River Rouge, MI

Average temperature in May - River Rouge, MI
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in May
River Rouge, MI

Average pressure in May - River Rouge, MI
  • Average pressure in May: 29.98"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in May
River Rouge, MI

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in May
River Rouge, MI

Average humidity in May - River Rouge, MI
  • Average humidity in May: 75%

Months with the highest relative humidity are January and February (84%).
Months with the lowest relative humidity are July and August (74%).

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Average rainfall in May
River Rouge, MI

Average rainfall in May - River Rouge, MI
  • Average rainfall in May: 1.65"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and December (0.55").

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Average rainfall days in May
River Rouge, MI

Average rainfall days in May - River Rouge, MI
  • Average rainfall days in May: 15.9 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (5.2 days).

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Average snowfall in May
River Rouge, MI

Average snowfall in May - River Rouge, MI
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (1.97").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
River Rouge, MI

Average snowfall days in May - River Rouge, MI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
River Rouge, MI

Average sea temperature in May - River Rouge, MI
  • Average sea temperature in May: 48.9°F

The best month for swimming (with the highest average sea temperature) is August (75.4°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).

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Average daylight in May /
Average sunshine in May
River Rouge, MI

Average daylight in May / Average sunshine in May - River Rouge, MI
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 9h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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Average sunshine days in May
River Rouge, MI

Average sunshine days in May - River Rouge, MI
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (12.6 days).

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Average UV index in May
River Rouge, MI

Average UV index in May - River Rouge, MI
  • Average UV index in May: 5

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).

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Average cloud cover in May
River Rouge, MI

Average cloud cover in May - River Rouge, MI
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in May
River Rouge, MI

Average visibility in May - River Rouge, MI
  • Average visibility in May: 6mi

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

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