May weather forecast
Port Sanilac, MI

Share

Weather in May

The last month of the spring, May, is a fresh month in Port Sanilac, Michigan, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 45.7°F (7.6°C).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a frosty 45.3°F (7.4°C) in April to a cool 55°F (12.8°C). May's average low-temperature reading in Port Sanilac, Michigan, settles at a chilly 45.7°F (7.6°C).

Humidity

In May, the average relative humidity is 80%.

Rainfall

May is the month with the most rainfall. Rain falls for 14.2 days and accumulates 2.13" (54mm) of precipitation.

Snowfall

May through September are months without snowfall in Port Sanilac.

Daylight

In May, the average length of the day is 14h and 43min.
On the first day of May, sunrise is at 6:21 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 9:03 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Port Sanilac in May?

The average high-temperature, in May, in Port Sanilac, is 55°F (12.8°C), while the average low-temperature is 45.7°F (7.6°C).

What is the average humidity in May in Port Sanilac?

The average relative humidity in May is 80%.

What is the wettest month in Port Sanilac?

The month with the most rainfall in Port Sanilac is May, when the rain falls for 14.2 days and typically aggregates up to 2.13" (54mm) of precipitation.

How many days does it rain in May in Port Sanilac?

In Port Sanilac, in May, it is raining for 14.2 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow in Port Sanilac?

May through September are months without snowfall in Port Sanilac, Michigan.

Does it snow in Port Sanilac in May?

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

What is the average length of the day in May in Port Sanilac?

The average day length in May in Port Sanilac, Michigan, is 14h and 43min.

What time are sunrise and sunset in May in Port Sanilac?

In May, on the first day of the month, sunrise is at 6:21 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 9:03 pm EDT.

How long on average sun shines in May in Port Sanilac?

The average sunshine duration in May in Port Sanilac is 8.6h.

How high is the UV index in May in Port Sanilac?

The average daily maximum UV index in May in Port Sanilac is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Port Sanilac, MI

Average temperature in May - Port Sanilac, MI
  • Average high temperature in May: 55°F

The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in May: 45.7°F

The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in May
Port Sanilac, MI

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

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Port Sanilac, MI

Average wind speed in May - Port Sanilac, MI
  • Average wind speed in May: 9.9mph

The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in May
Port Sanilac, MI

Average humidity in May - Port Sanilac, MI
  • Average humidity in May: 80%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are September, October and November (78%).

Average rainfall in May
Port Sanilac, MI

Average rainfall in May - Port Sanilac, MI
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in May
Port Sanilac, MI

Average rainfall days in May - Port Sanilac, MI
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in May
Port Sanilac, MI

Average snowfall in May - Port Sanilac, MI
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Port Sanilac, MI

Average snowfall days in May - Port Sanilac, MI
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Port Sanilac, MI

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in May
Port Sanilac, MI

Average sunshine days in May - Port Sanilac, MI
  • Average sunshine days in May: 15 days

The month with the most sunshine days is June (15.8 days).
The month with the least sunshine days is February (10.7 days).

Average UV index in May
Port Sanilac, MI

Average UV index in May - Port Sanilac, MI
  • Average UV index in May: 4

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

Average cloud cover in May
Port Sanilac, MI

Average cloud cover in May - Port Sanilac, MI
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in May
Port Sanilac, MI

Average visibility in May - Port Sanilac, MI
  • Average visibility in May: 6mi

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

Port Sanilac, Michigan, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location