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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Port Heiden, Alaska, is another subzero cold winter month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 23.4°F (-4.8°C). January, recording an average high temperature of 28.9°F (-1.7°C) and a low temperature of 23.4°F (-4.8°C), is Port Heiden's coldest month. Weather in January »
Weather in February
February, the last month of the winter in Port Heiden, is another freezing cold month, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 31.5°F (-0.3°C). The introduction of February sees an average high-temperature of a still subzero cold 31.5°F (-0.3°C), hardly deviating from January. Weather in February »
Weather in March
The first month of the spring, March, is still a freezing cold month in Port Heiden, Alaska, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 30.4°F (-0.9°C). Port Heiden's shift from February to March is accompanied by an average high-temperature of a still freezing cold 30.4°F (-0.9°C), a slight deviation from 31.5°F (-0.3°C). Weather in March »
Weather in April
April is a wintry spring month in Port Heiden, Alaska, with an average temperature ranging between min 30.9°F (-0.6°C) and max 37.8°F (3.2°C). The arrival of April brings a soft temperature shift, with the average high-temperature nudging from a subzero cold 30.4°F (-0.9°C) in March to a cold 37.8°F (3.2°C). Weather in April »
Weather in May
May, the last month of the spring in Port Heiden, is a frosty month, with an average temperature ranging between min 37.9°F (3.3°C) and max 46°F (7.8°C). Port Heiden perceives a slight temperature ascent during May, with average high-temperatures adjusting from a wintry 37.8°F (3.2°C) in April to a chilly 46°F (7.8°C). Weather in May »
Weather in June
June, the first month of the summer in Port Heiden, is a cool month, with temperature in the range of an average high of 52.2°F (11.2°C) and an average low of 44.1°F (6.7°C). Entering June, Port Heiden notices a subtle temperature elevation, with the average high-temperature advancing from May's frosty 46°F (7.8°C) to a fresh 52.2°F (11.2°C). Weather in June »
Weather in July
July is a moderate summer month in Port Heiden, Alaska, with an average temperature varying between 55.9°F (13.3°C) and 48.2°F (9°C). The advent of July denotes an average high-temperature of a moderate 55.9°F (13.3°C), subtly different from June's 52.2°F (11.2°C). Weather in July »
Weather in August
The last month of the summer, August, is another refreshing month in Port Heiden, Alaska, with an average temperature fluctuating between 56.8°F (13.8°C) and 49.1°F (9.5°C). The highest temperatures are recorded in August, with averages reaching a high of 56.8°F (13.8°C) and a low of 49.1°F (9.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Port Heiden, is still a cool month, with an average temperature ranging between max 52.3°F (11.3°C) and min 45.3°F (7.4°C). In September, the average high-temperature registers at a fresh 52.3°F (11.3°C), nearly identical to August's 56.8°F (13.8°C). Weather in September »
Weather in October
October, like September, is another chilly autumn month in Port Heiden, Alaska, with an average temperature fluctuating between 44.8°F (7.1°C) and 39.9°F (4.4°C). The move into October indicates a slight reduction in the average high-temperature, down from September's cool 52.3°F (11.3°C) to a frosty 44.8°F (7.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Port Heiden, Alaska, with an average temperature fluctuating between 31.8°F (-0.1°C) and 36.7°F (2.6°C). During the shift to November, Port Heiden records a mild decrease in average high-temperature, moving from a frosty 44.8°F (7.1°C) in October to a cold 36.7°F (2.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Port Heiden, Alaska, with temperature in the range of an average high of 32.4°F (0.2°C) and an average low of 27.5°F (-2.5°C). The transition from November to December sees an average high-temperature of a still cold 32.4°F (0.2°C), indicating a minor variance from the prior month. Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Port Heiden?
January stands out as Port Heiden's coldest month, with temperatures ranging between an average high of 28.9°F (-1.7°C) and a low of 23.4°F (-4.8°C).
What is the most humid month in Port Heiden?
With an average relative humidity of 88%, January is the most humid month.
How much does it rain in Port Heiden?
Throughout the year, in Port Heiden, there are 160.7 rainfall days, and 16.57" (421mm) of precipitation is accumulated.
When does it snow in Port Heiden?
January through May, September through December are months with snowfall in Port Heiden, Alaska.
How many days does it snow in Port Heiden?
In Port Heiden, Alaska, during the entire year, snow falls for 83.4 days and aggregates up to 23.94" (608mm) of snow.
When is the lowest UV index in Port Heiden?
February, March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
When is Daylight Saving Time (DST) in Port Heiden?
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 ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from AKDT to AKST.
What is the least humid month in Port Heiden?
The least humid month in Port Heiden is May, with an average relative humidity of 78%.
What month has the most sunshine in Port Heiden?
The month with the most sunshine in Port Heiden is May, with an average of 7.7h of sunshine.
When is the highest UV index in Port Heiden?
The months with the highest UV index in Port Heiden, Alaska, are May through September, with an average maximum UV index of 3.
What is the driest month in Port Heiden?
June is the month with the least rainfall in Port Heiden, Alaska. Rain falls for 14 days and accumulates 0.83" (21mm) of precipitation.
When it does not snow in Port Heiden?
In Port Heiden, snow does not fall in June through August.
When are the longest days in Port Heiden?
With an average of 17h and 48min of daylight, June has the longest days of the year in Port Heiden, Alaska.
What part of the year is the hottest in Port Heiden?
In Port Heiden, August is the warmest month, with temperatures averaging a high of 56.8°F (13.8°C) and a low of 49.1°F (9.5°C).
What is the rainiest month in Port Heiden?
October is the month with the most rainfall in Port Heiden. Rain falls for 17.4 days and accumulates 2.17" (55mm) of precipitation.
When does it snow the most in Port Heiden?
December is the month with the most snowfall in Port Heiden, Alaska. Snow falls for 15.1 days and accumulates 5.71" (145mm) of snow.
What is the month with the shortest days in Port Heiden?
The month with the shortest days is December, with an average of 6h and 54min of daylight.
What is the month with the least sunshine in Port Heiden?
December has the least sunshine of the year in Port Heiden, with an average of 2.4h of sunshine.
Average temperature
Port Heiden, AK
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).
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
Port Heiden, AK
- Average pressure in January:
29.56"Hg - Average pressure in February:
29.71"Hg - Average pressure in March:
29.75"Hg - Average pressure in April:
29.74"Hg - Average pressure in May:
29.86"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.87"Hg - Average pressure in September:
29.72"Hg - Average pressure in October:
29.61"Hg - Average pressure in November:
29.63"Hg - Average pressure in December:
29.54"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
Port Heiden, AK
- Average wind speed in January:
13.2mph - Average wind speed in February:
13.7mph - Average wind speed in March:
12.1mph - Average wind speed in April:
11.6mph - Average wind speed in May:
10.6mph - Average wind speed in June:
9.6mph
- Average wind speed in July:
9.1mph - Average wind speed in August:
10.7mph - Average wind speed in September:
12.6mph - Average wind speed in October:
13.7mph - Average wind speed in November:
14.5mph - Average wind speed in December:
14.8mph
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
Port Heiden, AK
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall
Port Heiden, AK
- Average rainfall in January:
1.14" - Average rainfall in February:
1.14" - Average rainfall in March:
1.14" - Average rainfall in April:
0.94" - Average rainfall in May:
0.87" - Average rainfall in June:
0.83"
- Average rainfall in July:
1.22" - Average rainfall in August:
1.46" - Average rainfall in September:
1.73" - Average rainfall in October:
2.17" - Average rainfall in November:
1.93" - Average rainfall in December:
2.01"
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
Port Heiden, AK
- Average rainfall days in January:
10.2 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
7.6 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
13.7 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
17.5 days - Average rainfall days in September:
19.2 days - Average rainfall days in October:
17.4 days - Average rainfall days in November:
12.4 days - Average rainfall days in December:
11.2 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
Port Heiden, AK
- Average snowfall in January:
3.78" - Average snowfall in February:
3.03" - Average snowfall in March:
4.21" - Average snowfall in April:
2.28" - Average snowfall in May:
0.55" - Average snowfall in June:
0"
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
Port Heiden, AK
- Average snowfall days in January:
14.5 days - Average snowfall days in February:
12.8 days - Average snowfall days in March:
13.9 days - Average snowfall days in April:
9.2 days - Average snowfall days in May:
3.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
3.9 days - Average snowfall days in November:
10.5 days - Average snowfall days in December:
15.1 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 / Average sunshine
Port Heiden, AK
- Average daylight in January:
7h and 4min - Average daylight in February:
9h and 4min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 2min - Average daylight in May:
16h and 4min - Average daylight in June:
17h and 5min
- Average daylight in July:
17h and 1min - Average daylight in August:
15h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 2min - Average daylight in November:
8h and 1min - Average daylight in December:
6h 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 January:
2h and 3min - Average sunshine in February:
3h and 5min - Average sunshine in March:
4h and 3min - Average sunshine in April:
5h and 2min - Average sunshine in May:
7h and 4min - Average sunshine in June:
7h and 3min
- Average sunshine in July:
6h and 1min - Average sunshine in August:
5h and 4min - Average sunshine in September:
4h and 4min - Average sunshine in October:
4h and 3min - Average sunshine in November:
2h and 4min - Average sunshine in December:
2h and 2min
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
Port Heiden, AK
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
6.6 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
9 days - Average sunshine days in May:
13 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
10 days - Average sunshine days in September:
7.5 days - Average sunshine days in October:
7.7 days - Average sunshine days in November:
6 days - Average sunshine days in December:
6.7 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
Port Heiden, AK
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
Port Heiden, AK
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
Port Heiden, AK
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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