May weather forecast and climate
Trenton, MI

Weather in May

May, the last month of the spring, in Trenton, is an enjoyable month, with average temperature varying between 50.5°F (10.3°C) and 64.2°F (17.9°C).

Temperature

In Trenton, the average high-temperature in May rises, from a cool 52.3°F (11.3°C) in April, to an enjoyable 64.2°F (17.9°C). In May, the average low-temperature is 50.5°F (10.3°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Trenton, during 18 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Trenton, during the entire year, the rain falls for 151.6 days and collects up to 26.97" (685mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Trenton. May is the last month it regularly snows in Trenton. During 0.1 snowfall days, Trenton aggregates 0.12" (3mm) of snow. Throughout the year, in Trenton, there are 37.5 snowfall days, and 12.24" (311mm) of snow is accumulated.

Ocean temperature

In Trenton, in May, the average water temperature is 48.9°F (9.4°C).
Note: 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.

Daylight

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

Sunshine

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

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Trenton?

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

How many days does it rain in May in Trenton?

In Trenton, during May, the rain falls for 18 days and regularly aggregates up to 3.35" (85mm) of precipitation.

What is the last month it snows in Trenton?

May is the last month it regularly snows in Trenton. During 0.1 snowfall days, in May, Trenton aggregates 0.12" (3mm) of snow.

What is the water temperature in May in Trenton?

In Trenton, the average seawater temperature in May 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 Trenton have in May?

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

How long on average sun shines in May in Trenton?

In Trenton, the average sunshine in May is 9h.

What is the UV index reading in May in Trenton?

The average daily maximum UV index in May in Trenton, Michigan, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in May
Trenton, MI

Average temperature in May - Trenton, MI
  • Average high temperature in May: 64.2°F

The warmest month (with the highest average high temperature) is July (79.2°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 (65.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in May
Trenton, MI

Average pressure in May - Trenton, 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
Trenton, MI

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

The windiest months (with the highest average wind speed) are January and November (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in May
Trenton, MI

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

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

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Average rainfall in May
Trenton, MI

Average rainfall in May - Trenton, MI
  • Average rainfall in May: 3.35"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is December (1.26").

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Average rainfall days in May
Trenton, MI

Average rainfall days in May - Trenton, MI
  • Average rainfall days in May: 18 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (6.5 days).

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Average snowfall in May
Trenton, MI

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

The month with the highest snowfall is February (4.17").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Trenton, MI

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

The month with the highest number of snowfall days is January (10.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in May
Trenton, MI

Average sea temperature in May - Trenton, 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
Trenton, MI

Average daylight in May / Average sunshine in May - Trenton, 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: 9.2h).

  • Average sunshine in May: 9h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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Average sunshine days in May
Trenton, MI

Average sunshine days in May - Trenton, MI
  • Average sunshine days in May: 11.2 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in May
Trenton, MI

Average UV index in May - Trenton, 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
Trenton, MI

Average cloud cover in May - Trenton, MI
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 67).
Months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in May
Trenton, MI

Average visibility in May - Trenton, 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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