March weather forecast
Petersburg, AK

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, the first month of the spring in Petersburg, is also a wintry month, with an average temperature fluctuating between 27.9°F (-2.3°C) and 36.9°F (2.7°C).

Temperature

In March, the average high-temperature is almost the same as in February - a still wintry 36.9°F (2.7°C). In Petersburg, in March, the average low-temperature is 27.9°F (-2.3°C).

Humidity

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

Rainfall

In Petersburg, Alaska, during 12.9 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Petersburg, Alaska, during the entire year, the rain falls for 197.9 days and collects up to 53.03" (1347mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is March, when snow falls for 10.8 days and typically aggregates up to 13.46" (342mm) of snow.

Ocean temperature

With an average ocean temperature of 41°F (5°C), March is the month with the coldest seawater.
Note: Swimming in 41°F (5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Petersburg, the average length of the day in March is 11h and 54min.
On the first day of March in Petersburg, sunrise is at 6:43 am and sunset at 5:24 pm AKST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:28 pm AKDT.
Note: On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time lasts until Sunday, November 5. 2023, at 2:00 am; consequently, the time zone reverts from AKDT to AKST.

Sunshine

The average sunshine in March in Petersburg is 5.2h.

UV index

The average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in March interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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. 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 temperature in March in Petersburg?

In Petersburg, Alaska, in March, the average high-temperature is 36.9°F (2.7°C), and the average low-temperature is 27.9°F (-2.3°C).

What is the average humidity in March in Petersburg?

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

How much does it rain in Petersburg in March?

In Petersburg, Alaska, in March, it is raining for 12.9 days, with typically 3.58" (91mm) of accumulated precipitation.

What is the snowiest month in Petersburg?

The month with the most snowfall in Petersburg, Alaska, is March, when snow falls for 10.8 days and typically aggregates up to 13.46" (342mm) of snow.

How many days does it snow in March in Petersburg?

In Petersburg, in March, snow falls for 10.8 days, with typically accumulated 13.46" (342mm) of snow.

What month is the ocean coldest in Petersburg?

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

What is the water temperature in March in Petersburg?

In Petersburg, Alaska, the average seawater temperature in March 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?

The average day length in March is 11h and 54min.

What time are sunrise and sunset in March in Petersburg?

On the first day of March, sunrise is at 6:43 am and sunset at 5:24 pm AKST. On the last day of the month, sunrise is at 6:23 am and sunset at 7:28 pm AKDT.

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

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Petersburg, and the time zone changes from AKST to AKDT. DST ends Sunday, November 5. 2023, at 2:00 am.

How long on average sun shines in March in Petersburg?

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

What is the UV index intensity in March in Petersburg?

In March, the average daily maximum UV index in Petersburg is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
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 54min

The month with the longest days is June (Average daylight: 17h and 44min).
The month with the shortest days is December (Average daylight: 6h and 53min).

  • Average sunshine in March: 5h and 12min

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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