March weather forecastPetersburg, AK
March
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
March's onset brings an average high-temperature of a still icy 36.9°F (2.7°C), showing a minute difference from February's 32.9°F (0.5°C). Petersburg's March nights witness minimal differential from the daytime temperatures, with averages of 27.9°F (-2.3°C).Humidity
In March, the average relative humidity is 82%.Rainfall
In Petersburg, 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 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: Diving into 41°F (5°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
In Petersburg, Alaska, the average length of the day in March 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 March, the average sunshine is 5.2h.UV index
The average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In March, the maximum UV index of 2 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- 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).
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).
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).
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).
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).
