March weather forecast
Port Huron, MI

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The iconic Blue Water Bridge in Port Huron, Michigan, at night
The iconic Blue Water Bridge in Port Huron, Michigan, at night

Weather in March

March ushers in a transient phase in Port Huron's weather calendar, marking the transition from winter to spring. With the highest temperature reaching up to 39.6°F (4.2°C), there is a noticeable decline in snowfall, standing at 1.38" (35mm). The city starts to thaw, paving the way for the advent of spring. Increasing daylight hours further signify the retreat of winter and the onset of warmer days. As April approaches, the weather continues to heat up, with a marked decrease in rainfall and humidity.

Temperature

Port Huron's transition into March brings a rise in the average high-temperature, moving from a freezing cold 30°F (-1.1°C) in February to an icy 39.6°F (4.2°C). Port Huron sees an average low-temperature of 27.7°F (-2.4°C) during March.

Humidity

The average relative humidity in March is 79%.

Rainfall

In Port Huron, in March, during 10 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 140.4 rainfall days, and 19.41" (493mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Port Huron, in March, snow falls for 8.2 days, with typically accumulated 1.38" (35mm) of snow. Throughout the year, in Port Huron, there are 55.2 snowfall days, and 12.28" (312mm) of snow is accumulated.

Ocean temperature

February and March, with an average ocean temperature of 32.5°F (0.3°C), are months with the coldest seawater.
Note: During swimming events, this situation presents an imminent life risk. Instantaneous loss of breath control makes clear thinking a near impossibility. A specialized swimsuit is compulsory to limit thermal dissipation.

Daylight

In Port Huron, the average length of the day in March is 11h and 58min.
On the first day of March, sunrise is at 7:04 am and sunset at 6:19 pm EST. On the last day of the month, sunrise is at 7:11 am and sunset at 7:55 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March in Port Huron is 5.1h.

UV index

In Port Huron, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in March leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

Is it cold during March?

During March, Port Huron experiences an average high-temperature of 39.6°F (4.2°C) and a low-temperature of 27.7°F (-2.4°C).

What is the average humidity in March?

In Port Huron, the average relative humidity in March is 79%.

How many days does it rain in March?

In Port Huron, Michigan, during March, the rain falls for 10 days and regularly aggregates up to 1.3" (33mm) of precipitation.

How much does it snow in March?

In March, it is snowing for 8.2 days. Throughout March, 1.38" (35mm) of snow is accumulated.

What months are the ocean coldest?

The months with the coldest seawater are February and March, with an average ocean temperature of 32.5°F (0.3°C).

How cold is the water in March?

In Port Huron, the average seawater temperature in March is 32.5°F (0.3°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in March?

In March, the average day length is 11h and 58min.

What time are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 7:04 am and sunset at 6:19 pm EST. On the last day of the month, sunrise is at 7:11 am and sunset at 7:55 pm EDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Port Huron have in March?

In Port Huron, Michigan, the average sunshine duration in March is 5.1h.

How high is the UV index in March?

In Port Huron, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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 March
Port Huron, MI

Average temperature in March - Port Huron, MI
  • Average high temperature in March: 39.6°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in March: 27.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in March
Port Huron, MI

Average pressure in March - Port Huron, MI
  • Average pressure in March: 30.09"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 March
Port Huron, MI

Average wind speed in March - Port Huron, MI
  • Average wind speed in March: 10.6mph

The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in March
Port Huron, MI

Average humidity in March - Port Huron, MI
  • Average humidity in March: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).

Average rainfall in March
Port Huron, MI

Average rainfall in March - Port Huron, MI
  • Average rainfall in March: 1.3"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is February (1.1").

Average rainfall days in March
Port Huron, MI

Average rainfall days in March - Port Huron, MI
  • Average rainfall days in March: 10 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in March
Port Huron, MI

Average snowfall in March - Port Huron, MI
  • Average snowfall in March: 1.38"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Port Huron, MI

Average snowfall days in March - Port Huron, MI
  • Average snowfall days in March: 8.2 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in March
Port Huron, MI

Average sea temperature in March - Port Huron, MI
  • Average sea temperature in March: 32.5°F

The best month for swimming (with the highest average sea temperature) is August (73.7°F).
The coldest month (with the lowest average sea temperature) is February (32.4°F).

Average daylight in March /
Average sunshine in March
Port Huron, MI

Average daylight in March / Average sunshine in March - Port Huron, MI
  • Average daylight in March: 12h and 0min

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 March: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in March
Port Huron, MI

Average sunshine days in March - Port Huron, MI
  • Average sunshine days in March: 14.8 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (11.3 days).

Average UV index in March
Port Huron, MI

Average UV index in March - Port Huron, MI
  • Average UV index in March: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in March
Port Huron, MI

Average cloud cover in March - Port Huron, MI
  • Average cloud cover in March: 57

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in March
Port Huron, MI

Average visibility in March - Port Huron, MI
  • Average visibility in March: 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).

Port Huron, Michigan, USA

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