March weather forecast
Port Heiden, AK

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Weather in March

The first month of the spring, March, is also a subzero cold month in Port Heiden, Alaska, with temperature in the range of an average high of 30.4°F (-0.9°C) and an average low of 23.4°F (-4.8°C).

Temperature

Port Heiden's shift from February to March is accompanied by an average high-temperature of a still subzero cold 30.4°F (-0.9°C), a slight deviation from 31.5°F (-0.3°C). A modest dip in temperatures to an average of 23.4°F (-4.8°C) is observed throughout Port Heiden's March nights.

Humidity

In March, the average relative humidity is 85%.

Rainfall

In Port Heiden, in March, during 7.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 160.7 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Port Heiden, in March, snow falls for 13.9 days, with typically accumulated 4.21" (107mm) of snow. Throughout the year, there are 83.4 snowfall days, and 23.94" (608mm) of snow is accumulated.

Daylight

In Port Heiden, Alaska, the average length of the day in March is 11h and 55min.
On the first day of the month, sunrise is at 8:24 am and sunset at 7:08 pm AKST. On the last day of March, sunrise is at 8:03 am and sunset at 9:13 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 4.5h.

UV index

The months with the lowest UV index are February, March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 in March interprets into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in March?

March temperatures vary between a high-temperature of 30.4°F (-0.9°C) and a low-temperature of 23.4°F (-4.8°C).

What is the average humidity in March?

In Port Heiden, the average relative humidity in March is 85%.

How much does it rain in March?

In Port Heiden, during March, the rain falls for 7.6 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How many days does it snow in March?

In Port Heiden, in March, during 13.9 snowfall days, 4.21" (107mm) of snow is typically accumulated.

How many hours of daylight does Port Heiden have in March?

In Port Heiden, Alaska, the average day length in March is 11h and 55min.

When are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 8:24 am and sunset at 7:08 pm AKST. On the last day of the month, sunrise is at 8:03 am and sunset at 9:13 pm AKDT.

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

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

How long on average sun shines in March?

In March, the average sunshine duration is 4.5h.

What are the months with the lowest UV index?

February, March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in March?

In Port Heiden, Alaska, the average daily maximum UV index in March is 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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 Heiden, AK

Average temperature in March - Port Heiden, AK
  • Average high temperature in March: 30.4°F

The warmest month (with the highest average high temperature) is August (56.8°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in March: 23.4°F

The month with the highest average low temperature is August (49.1°F).
The coldest months (with the lowest average low temperature) are January and March (23.4°F).

Average pressure in March
Port Heiden, AK

Average pressure in March - Port Heiden, AK
  • Average pressure in March: 29.75"Hg

The month with the highest atmospheric pressure is July (29.97"Hg).
The month with the lowest atmospheric pressure is December (29.54"Hg).

Average wind speed in March
Port Heiden, AK

Average wind speed in March - Port Heiden, AK
  • Average wind speed in March: 12.1mph

The windiest month (with the highest average wind speed) is December (14.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).

Average humidity in March
Port Heiden, AK

Average humidity in March - Port Heiden, AK
  • Average humidity in March: 85%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (78%).

Average rainfall in March
Port Heiden, AK

Average rainfall in March - Port Heiden, AK
  • Average rainfall in March: 1.14"

The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is June (0.83").

Average rainfall days in March
Port Heiden, AK

Average rainfall days in March - Port Heiden, AK
  • Average rainfall days in March: 7.6 days

The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is March (7.6 days).

Average snowfall in March
Port Heiden, AK

Average snowfall in March - Port Heiden, AK
  • Average snowfall in March: 4.21"

The month with the highest snowfall is December (5.71").
The months with the least snowfall are June, July and August (0").

Average snowfall days in March
Port Heiden, AK

Average snowfall days in March - Port Heiden, AK
  • Average snowfall days in March: 13.9 days

The month with the highest number of snowfall days is December (15.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in March /
Average sunshine in March
Port Heiden, AK

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

The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in March: 4h and 3min

The month with the most sunshine is May (Average sunshine: 7h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

Average sunshine days in March
Port Heiden, AK

Average sunshine days in March - Port Heiden, AK
  • Average sunshine days in March: 9.8 days

The month with the most sunshine days is May (13 days).
The month with the least sunshine days is November (6 days).

Average UV index in March
Port Heiden, AK

Average UV index in March - Port Heiden, AK
  • Average UV index in March: 1

The months with the highest UV index are May, June, July, August and September (UV index 3).
The months with the lowest UV index are February, March, November and December (UV index 1).

Average cloud cover in March
Port Heiden, AK

Average cloud cover in March - Port Heiden, AK
  • Average cloud cover in March: 64

The month with the most cloud cover is July (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 59).

Average visibility in March
Port Heiden, AK

Average visibility in March - Port Heiden, AK
  • Average visibility in March: 5mi

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

Port Heiden, Alaska, USA

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