March weather forecast and climate
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

The first month of the spring, March, is still a cold month in Petersburg, Alaska, with 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 essentially the same as in February - a still cold 36.9°F (2.7°C). In Petersburg, Alaska, the average low-temperature is 27.9°F (-2.3°C).

Humidity

The average relative humidity in Petersburg is 82%.

Rainfall

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

Snowfall

Months with snowfall 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: 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.

Daylight

In March, the average length of the day is 11.9h.

Sunshine

In March, the average sunshine is 5.2h.

UV index

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: In March, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged 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 Petersburg, Alaska, the average relative humidity in March is 82%.

How many days does it rain in March in Petersburg?

In Petersburg, during March, the rain falls for 12.9 days and regularly aggregates up to 3.58" (91mm) of precipitation.

How much does it snow in Petersburg in March?

In Petersburg, Alaska, in March, during 10.8 snowfall days, 13.46" (342mm) of snow is typically accumulated.

What is the snowiest month 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.

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.

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.

What is the average length of the day in March in Petersburg?

The average length of the day in March is 11.9h.

How many hours of sunshine does Petersburg have in March?

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

How high is the UV index 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 the exposure to the Sun's UV radiation.

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"

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

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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%

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").
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).
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: 11.9h

The month with the longest days is June (Average daylight: 17.7h).
The month with the shortest days is December (Average daylight: 6.9h).

  • Average sunshine in March: 5.2h

The month with the most sunshine is May (Average sunshine: 7.4h).
Months with the least sunshine are January and November (Average sunshine: 3.4).

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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

Months with the highest UV index are July and August (UV index 4).
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).
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

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

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