Climate and monthly weather forecastPort Alsworth, AK
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Port Alsworth, Alaska, with an average temperature fluctuating between 15.4°F (-9.2°C) and 5.2°F (-14.9°C). In Port Alsworth, the lowest temperatures are generally noted in January, averaging a high of 15.4°F (-9.2°C) and a low of 5.2°F (-14.9°C). Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Port Alsworth, Alaska, with an average temperature varying between 20.5°F (-6.4°C) and 8.2°F (-13.2°C). Port Alsworth experiences a transition to a still freezing cold 20.5°F (-6.4°C) in average high-temperatures with the arrival of February, not greatly differing from January's 15.4°F (-9.2°C). Weather in February »Weather in March
The first month of the spring, March, is still a freezing cold month in Port Alsworth, Alaska, with an average temperature fluctuating between 7.9°F (-13.4°C) and 23.2°F (-4.9°C). The transition into March shows a subtle variation to a still freezing cold 23.2°F (-4.9°C) from February's 20.5°F (-6.4°C) in the average high-temperature. Weather in March »Weather in April
April is an icy spring month in Port Alsworth, Alaska, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 21.4°F (-5.9°C). April sees a temperature increase, moving from a subzero cold 23.2°F (-4.9°C) in March to an icy 33.3°F (0.7°C). Weather in April »Weather in May
The last month of the spring, May, is a frosty month in Port Alsworth, Alaska, with an average temperature fluctuating between 46.6°F (8.1°C) and 34.7°F (1.5°C). May's onset is marked by a temperature increase, moving from a wintry 33.3°F (0.7°C) in April to a frosty 46.6°F (8.1°C). Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Port Alsworth, Alaska, with an average temperature ranging between max 55.8°F (13.2°C) and min 43.2°F (6.2°C). Port Alsworth in June experiences an increase in the average high-temperature, moving from May's chilly 46.6°F (8.1°C) to a refreshing 55.8°F (13.2°C). Weather in June »Weather in July
July, the same as June, in Port Alsworth, Alaska, is a moderate summer month, with an average temperature fluctuating between 46°F (7.8°C) and 58.3°F (14.6°C). The average temperatures reach their apex in July, averaging 58.3°F (14.6°C) at the high end and 46°F (7.8°C) at the low end. Weather in July »Weather in August
August, the last month of the summer in Port Alsworth, is also a fresh month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 55.2°F (12.9°C). The transition into August marks the average high-temperature at a cool 55.2°F (12.9°C), differing minimally from July's 58.3°F (14.6°C). Weather in August »Weather in September
The first month of the autumn, September, is still a chilly month in Port Alsworth, Alaska, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 36.7°F (2.6°C). Port Alsworth's progression into September involves a gentle drop in the average high-temperature, from a cool 55.2°F (12.9°C) in August to a chilly 47.3°F (8.5°C). Weather in September »Weather in October
October, like September, in Port Alsworth, Alaska, is another cold autumn month, with an average temperature ranging between min 27.9°F (-2.3°C) and max 35.2°F (1.8°C). The beginning of October marks a decrease in the average high-temperature, transitioning from a chilly 47.3°F (8.5°C) in September to a cold 35.2°F (1.8°C). Weather in October »Weather in November
The last month of the autumn, November, is also a subzero cold month in Port Alsworth, Alaska, with an average temperature ranging between max 22.1°F (-5.5°C) and min 13.1°F (-10.5°C). A shift in the average high-temperature occurs in November, reducing from an icy 35.2°F (1.8°C) in October to a freezing cold 22.1°F (-5.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Port Alsworth, Alaska, with an average temperature fluctuating between 6.8°F (-14°C) and 17.1°F (-8.3°C). The arrival of December sees an average high-temperature of a still freezing cold 17.1°F (-8.3°C), hardly diverging from November's 22.1°F (-5.5°C). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Port Alsworth, AK
The warmest month (with the highest average high temperature) is July (58.3°F).
The month with the lowest average high temperature is January (15.4°F).
The month with the highest average low temperature is July (46°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure
Port Alsworth, AK
- Average pressure in January:
29.69"Hg - Average pressure in February:
29.8"Hg - Average pressure in March:
29.78"Hg - Average pressure in April:
29.8"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.85"Hg - Average pressure in September:
29.73"Hg - Average pressure in October:
29.67"Hg - Average pressure in November:
29.68"Hg - Average pressure in December:
29.65"Hg
The month with the highest atmospheric pressure is July (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.65"Hg).
Average wind speed
Port Alsworth, AK
- Average wind speed in January:
6.6mph - Average wind speed in February:
6.6mph - Average wind speed in March:
5.8mph - Average wind speed in April:
5.6mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.7mph - Average wind speed in October:
5.9mph - Average wind speed in November:
6.2mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is December (6.8mph).
The calmest month (with the lowest average wind speed) is June (5mph).
Average humidity
Port Alsworth, AK
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are May and June (74%).
Average rainfall
Port Alsworth, AK
- Average rainfall in January:
1.42" - Average rainfall in February:
1.93" - Average rainfall in March:
1.69" - Average rainfall in April:
1.77" - Average rainfall in May:
1.77" - Average rainfall in June:
2.64"
- Average rainfall in July:
3.66" - Average rainfall in August:
3.62" - Average rainfall in September:
4.21" - Average rainfall in October:
3.46" - Average rainfall in November:
2.64" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days
Port Alsworth, AK
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
9.5 days - Average rainfall days in April:
15 days - Average rainfall days in May:
19.5 days - Average rainfall days in June:
23.3 days
- Average rainfall days in July:
23.4 days - Average rainfall days in August:
23.6 days - Average rainfall days in September:
20.6 days - Average rainfall days in October:
17.3 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is August (23.6 days).
The month with the least rainy days is December (8.4 days).
Average snowfall
Port Alsworth, AK
- Average snowfall in January:
7.68" - Average snowfall in February:
13.5" - Average snowfall in March:
10.63" - Average snowfall in April:
5.98" - Average snowfall in May:
0.87" - Average snowfall in June:
0"
- Average snowfall in July:
0" - Average snowfall in August:
0.04" - Average snowfall in September:
0.35" - Average snowfall in October:
2.56" - Average snowfall in November:
12.99" - Average snowfall in December:
15.63"
The month with the highest snowfall is December (15.63").
The months with the least snowfall are June and July (0").
Average snowfall days
Port Alsworth, AK
- Average snowfall days in January:
15.5 days - Average snowfall days in February:
17.7 days - Average snowfall days in March:
16.9 days - Average snowfall days in April:
11.7 days - Average snowfall days in May:
2.7 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0.1 days - Average snowfall days in September:
1.2 days - Average snowfall days in October:
5.6 days - Average snowfall days in November:
14.9 days - Average snowfall days in December:
18.5 days
The month with the highest number of snowfall days is December (18.5 days).
The months with the least snowfall days are June and July (0 days).
Average daylight / Average sunshine
Port Alsworth, AK
- Average daylight in January:
6h and 48min - Average daylight in February:
9h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 18min - Average daylight in June:
18h and 48min
- Average daylight in July:
18h and 0min - Average daylight in August:
15h and 36min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 30min - Average daylight in December:
6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
4h and 30min - Average sunshine in March:
5h and 30min - Average sunshine in April:
6h and 6min - Average sunshine in May:
9h and 0min - Average sunshine in June:
8h and 12min
- Average sunshine in July:
7h and 24min - Average sunshine in August:
6h and 48min - Average sunshine in September:
5h and 30min - Average sunshine in October:
4h and 54min - Average sunshine in November:
3h and 24min - Average sunshine in December:
3h and 18min
The month with the most sunshine is May (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days
Port Alsworth, AK
- Average sunshine days in January:
12.7 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
8.8 days - Average sunshine days in June:
4.8 days
- Average sunshine days in July:
4.9 days - Average sunshine days in August:
5.3 days - Average sunshine days in September:
7.6 days - Average sunshine days in October:
9.6 days - Average sunshine days in November:
11.1 days - Average sunshine days in December:
10.8 days
The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is June (4.8 days).
Average UV index
Port Alsworth, AK
The months with the highest UV index are May, June and July (UV index 3).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover
Port Alsworth, AK
The month with the most cloud cover is August (Cloud cover 63).
The month with the least cloud cover is January (Cloud cover 47).
Average visibility
Port Alsworth, AK
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are March and April (4mi).





