March weather forecast
Petersburg, AK

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Colorful buildings, docked ships in Quaint fishing village in Petersburg, Alaska, on Mitkof Island
Colorful buildings, docked ships in Quaint fishing village in Petersburg, Alaska, on Mitkof Island

Weather in March

March experiences a break from the persistent cold, ushering in milder temperatures compared to the previous two months. Rainfall levels dip this month, with intermittent snowfall accompanying the mix. The length of daylight hours gradually increases, hinting at the approach of spring. March indicates a transition change, with winter conditions starting to recede. The month paves the way for spring, leading to a noticeable shift in the weather by April.

Temperature

Petersburg's March reports an average high-temperature of a still cold 36.9°F (2.7°C), exhibiting a minor difference from February. Petersburg's March nights demonstrate minimal variation from the daytime temperatures, with an average of 27.9°F (-2.3°C).

Humidity

In Petersburg, the average relative humidity in March is 82%.

Rainfall

In Petersburg, Alaska, during March, the rain falls for 12.9 days and regularly aggregates up to 3.58" (91mm) of precipitation. Throughout the year, there are 197.9 rainfall days, and 53.03" (1347mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Petersburg are January through May, October through December. March is the month with the most snowfall in Petersburg. Snow falls for 10.8 days and accumulates 13.46" (342mm) of snow.

Ocean temperature

March is the month with the coldest seawater, with an average ocean temperature of 41°F (5°C).
Note: In 41°F (5°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).

Daylight

In March, the average length of the day in Petersburg is 11h and 54min.
On the first day of March, sunrise is at 6:41 am and sunset at 5:26 pm AKST. On the last day of the month, sunrise is at 6:21 am and sunset at 7:30 pm AKDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from AKDT to AKST.

Sunshine

In Petersburg, the average sunshine in March is 5.2h.

UV index

In Petersburg, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 2 during March, leads to the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

How cold is March in Petersburg?

In March, the average high-temperature and low-temperature are 36.9°F (2.7°C) and 27.9°F (-2.3°C) respectively.

What is the average humidity in March in Petersburg?

In March, the average relative humidity is 82%.

How much does it rain in Petersburg in March?

In March, in Petersburg, Alaska, the rain falls for 12.9 days. Throughout March, 3.58" (91mm) of precipitation is accumulated.

When does it snow the most in Petersburg?

March is the month with the most snowfall in Petersburg. Snow falls for 10.8 days and accumulates 13.46" (342mm) of snow.

How much does it snow in Petersburg in March?

In March, in Petersburg, Alaska, it is snowing for 10.8 days. Throughout March, 13.46" (342mm) of snow is accumulated.

What month is the ocean coldest in Petersburg?

With an average ocean temperature of 41°F (5°C), March is the month with the coldest seawater in Petersburg, Alaska.

How cold is the water in March in Petersburg?

In Petersburg, Alaska, in March, the average water temperature is 41°F (5°C). Swimming in 41°F (5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Petersburg have in March?

In March, the average day length in Petersburg is 11h and 54min.

When are sunrise and sunset in March in Petersburg?

On the first day of March in Petersburg, Alaska, sunrise is at 6:41 am and sunset at 5:26 pm AKST. On the last day of the month, sunrise is at 6:21 am and sunset at 7:30 pm AKDT.

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

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

How many hours of sunshine does Petersburg have in March?

In Petersburg, the average sunshine duration in March is 5.2h.

What is the UV index intensity in March in Petersburg?

The average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Petersburg, AK

Average temperature in March - Petersburg, AK
  • Average high temperature in March: 36.9°F

The warmest month (with the highest average high temperature) is July (59.7°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in March: 27.9°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).

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Average pressure in March
Petersburg, AK

Average pressure in March - Petersburg, AK
  • Average pressure in March: 29.85"Hg

The month with the highest atmospheric pressure is July (30.05"Hg).
The month with the lowest atmospheric pressure is November (29.8"Hg).

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Average wind speed in March
Petersburg, AK

Average wind speed in March - Petersburg, AK
  • Average wind speed in March: 6.7mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is July (3.9mph).

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Average humidity in March
Petersburg, AK

Average humidity in March - Petersburg, AK
  • Average humidity in March: 82%

The months with the highest relative humidity are January and August (86%).
The month with the lowest relative humidity is May (81%).

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Average rainfall in March
Petersburg, AK

Average rainfall in March - Petersburg, AK
  • Average rainfall in March: 3.58"

The wettest month (with the highest rainfall) is October (6.3").
The driest month (with the least rainfall) is May (2.01").

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Average rainfall days in March
Petersburg, AK

Average rainfall days in March - Petersburg, AK
  • Average rainfall days in March: 12.9 days

The month with the highest number of rainy days is October (20.1 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall in March
Petersburg, AK

Average snowfall in March - Petersburg, AK
  • Average snowfall in March: 13.46"

The month with the highest snowfall is March (13.46").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Petersburg, AK

Average snowfall days in March - Petersburg, AK
  • Average snowfall days in March: 10.8 days

The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in March
Petersburg, AK

Average sea temperature in March - Petersburg, AK
  • Average sea temperature in March: 41°F

The best month for swimming (with the highest average sea temperature) is August (54.2°F).
The coldest month (with the lowest average sea temperature) is March (41°F).

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Average daylight in March /
Average sunshine in March
Petersburg, AK

Average daylight in March / Average sunshine in March - Petersburg, AK
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in March: 5h and 1min

The month with the most sunshine is May (Average sunshine: 7h and 24min).
The months with the least sunshine are January and November (Average sunshine: 3h and 24min).

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Average sunshine days in March
Petersburg, AK

Average sunshine days in March - Petersburg, AK
  • Average sunshine days in March: 11.7 days

The month with the most sunshine days is December (12.5 days).
The month with the least sunshine days is November (8 days).

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Average UV index in March
Petersburg, AK

Average UV index in March - Petersburg, AK
  • Average UV index in March: 2

The months with the highest UV index are July and August (UV index 4).
The months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in March
Petersburg, AK

Average cloud cover in March - Petersburg, AK
  • Average cloud cover in March: 58

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are February and May (Cloud cover 54).

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Average visibility in March
Petersburg, AK

Average visibility in March - Petersburg, AK
  • Average visibility in March: 6mi

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

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Petersburg, Alaska, USA

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