March weather forecast and climate
Port Heiden, AK

Weather in March

The first month of the spring, March, is still a freezing cold month in Port Heiden, Alaska, with average temperature varying between 23.4°F (-4.8°C) and 30.4°F (-0.9°C).

Temperature

In Port Heiden, the average high-temperature is almost the same as in February - a still freezing cold 30.4°F (-0.9°C). In Port Heiden, in March, the average low-temperature is 23.4°F (-4.8°C).

Humidity

The average relative humidity in March is 85%.

Rainfall

In Port Heiden, during March, the rain falls for 7.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. 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, during March, snow falls for 13.9 days and regularly aggregates up to 4.21" (107mm) of snow. Throughout the year, in Port Heiden, there are 83.4 snowfall days, and 23.94" (608mm) of snow is accumulated.

Daylight

In Port Heiden, the average length of the day is 11.9h.

Sunshine

The average sunshine in March is 4.5h.

UV index

Months with the lowest UV index in Port Heiden are February, March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in March interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Port Heiden?

In March, the average high-temperature is 30.4°F (-0.9°C), and the average low-temperature is 23.4°F (-4.8°C).

What is the average humidity in March in Port Heiden?

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

How many days does it rain in March in Port Heiden?

In March, in Port Heiden, Alaska, the rain falls for 7.6 days. Throughout March, 1.14" (29mm) of precipitation is accumulated.

How many days does it snow in March in Port Heiden?

In Port Heiden, in March, snow falls for 13.9 days, with typically accumulated 4.21" (107mm) of snow.

What is the average length of the day in March in Port Heiden?

In Port Heiden, Alaska, the average length of the day in March is 11.9h.

How long on average sun shines in March in Port Heiden?

The average sunshine in March in Port Heiden is 4.5h.

What are the months with the lowest UV index in Port Heiden?

Months with the lowest UV index in Port Heiden are February, March, November and December, with an average maximum UV index of 1.

What is the UV index intensity in March in Port Heiden?

In Port Heiden, the average daily maximum UV index in March is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.

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).

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Average pressure in March
Port Heiden, AK

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

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

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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).

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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%).

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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").

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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).

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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").
Months with the least snowfall are June, July and August (0").

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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).
Months with the least snowfall days are June, July and August (0 days).

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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: 11.9h

The month with the longest days is June (Average daylight: 17.8h).
The month with the shortest days is December (Average daylight: 6.8h).

  • Average sunshine in March: 4.5h

The month with the most sunshine is May (Average sunshine: 7.7h).
The month with the least sunshine is December (Average sunshine: 2.4h).

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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).

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Average UV index in March
Port Heiden, AK

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

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

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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).

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Average visibility in March
Port Heiden, AK

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

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

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