Climate and monthly weather forecastNikiski, AK
Climate and monthly weather forecast
Weather in January
January, the same as December, in Nikiski, Alaska, is a freezing cold winter month, with an average temperature fluctuating between 18.3°F (-7.6°C) and 24.3°F (-4.3°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 24.3°F (-4.3°C) and a low of 18.3°F (-7.6°C). Weather in January »Weather in February
February, the last month of the winter in Nikiski, is another freezing cold month, with an average temperature fluctuating between 26.4°F (-3.1°C) and 19°F (-7.2°C). The onset of February manifests an average high-temperature of a still subzero cold 26.4°F (-3.1°C), demonstrating a minor variation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is still a freezing cold month in Nikiski, Alaska, with an average temperature varying between 29.7°F (-1.3°C) and 20.7°F (-6.3°C). An average high-temperature of a still subzero cold 29.7°F (-1.3°C) marks March, exhibiting a close resemblance to the conditions in February. Weather in March »Weather in April
April in Nikiski, Alaska, is a wintry spring month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 40.5°F (4.7°C). The onset of April brings a rise in the average high-temperature, elevating from a subzero cold 29.7°F (-1.3°C) in March to an icy 40.5°F (4.7°C). Weather in April »Weather in May
The last month of the spring, May, is a fresh month in Nikiski, Alaska, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 41.7°F (5.4°C). Nikiski's weather in May presents a rise in the average high-temperature, moving from a cold 40.5°F (4.7°C) in April to a fresh 51.4°F (10.8°C). Weather in May »Weather in June
June, the first month of the summer in Nikiski, is a mild month, with an average temperature varying between 47.5°F (8.6°C) and 57.7°F (14.3°C). The shift into June brings a slight increase in the average high-temperature, moving from a cool 51.4°F (10.8°C) in May to a mild 57.7°F (14.3°C). Weather in June »Weather in July
July in Nikiski, Alaska, is a comfortable summer month, with an average temperature ranging between min 51.3°F (10.7°C) and max 61.3°F (16.3°C). Temperature readings reach their annual highs in July, averaging 61.3°F (16.3°C) and a minimum average of 51.3°F (10.7°C). Weather in July »Weather in August
The last month of the summer, August, is another mild month in Nikiski, Alaska, with an average temperature ranging between max 59.7°F (15.4°C) and min 50.7°F (10.4°C). Nikiski marks the start of August with an average high-temperature of a mild 59.7°F (15.4°C), hinting at a slight fluctuation from July's 61.3°F (16.3°C). Weather in August »Weather in September
The first month of the autumn, September, is still a cool month in Nikiski, Alaska, with an average temperature varying between 53.1°F (11.7°C) and 45.7°F (7.6°C). Nikiski's transition into September involves a gentle shift in temperature, receding from a moderate 59.7°F (15.4°C) in August to a fresh 53.1°F (11.7°C). Weather in September »Weather in October
October, the same as September, in Nikiski, Alaska, is a frosty autumn month, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 43.2°F (6.2°C). The move into October indicates a reduction in the average high-temperature, down from September's cool 53.1°F (11.7°C) to a frosty 43.2°F (6.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a subzero cold month in Nikiski, Alaska, with an average temperature fluctuating between 26.1°F (-3.3°C) and 31.1°F (-0.5°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a frosty 43.2°F (6.2°C) to a freezing cold 31.1°F (-0.5°C). Weather in November »Weather in December
December, the first month of the winter in Nikiski, is also a subzero cold month, with an average temperature varying between 27°F (-2.8°C) and 21.2°F (-6°C). At the start of December, Nikiski's average high-temperature reaches a still subzero cold 27°F (-2.8°C), subtly different from the preceding month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Nikiski, AK
The warmest month (with the highest average high temperature) is July (61.3°F).
The month with the lowest average high temperature is January (24.3°F).
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Nikiski, AK
- Average pressure in January:
29.67"Hg - Average pressure in February:
29.8"Hg - Average pressure in March:
29.75"Hg - Average pressure in April:
29.8"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.85"Hg - Average pressure in September:
29.73"Hg - Average pressure in October:
29.68"Hg - Average pressure in November:
29.65"Hg - Average pressure in December:
29.64"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).
Average wind speed
Nikiski, AK
- Average wind speed in January:
9.3mph - Average wind speed in February:
8.5mph - Average wind speed in March:
7.5mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.7mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.1mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is December (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity
Nikiski, AK
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (69%).
Average rainfall
Nikiski, AK
- Average rainfall in January:
1.26" - Average rainfall in February:
1.26" - Average rainfall in March:
1.02" - Average rainfall in April:
1.26" - Average rainfall in May:
1.06" - Average rainfall in June:
0.91"
- Average rainfall in July:
1.42" - Average rainfall in August:
2.01" - Average rainfall in September:
2.72" - Average rainfall in October:
2.87" - Average rainfall in November:
1.77" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is October (2.87").
The driest month (with the least rainfall) is June (0.91").
Average rainfall days
Nikiski, AK
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
7.6 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
13.2 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
16.6 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
9 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (5.5 days).
Average snowfall
Nikiski, AK
The month with the highest snowfall is December (8.74").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days
Nikiski, AK
- Average snowfall days in January:
11 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
10.2 days - Average snowfall days in April:
5.7 days - Average snowfall days in May:
0.2 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:
1.5 days - Average snowfall days in November:
8.7 days - Average snowfall days in December:
12.7 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Nikiski, AK
- Average daylight in January:
6h and 42min - Average daylight in February:
9h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 24min - Average daylight in June:
19h and 0min
- Average daylight in July:
18h and 6min - Average daylight in August:
15h and 36min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 24min - Average daylight in December:
5h and 48min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 12min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
8h and 42min - Average sunshine in September:
6h and 12min - Average sunshine in October:
5h and 0min - Average sunshine in November:
3h and 42min - Average sunshine in December:
2h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days
Nikiski, AK
- Average sunshine days in January:
14.9 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
16 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
16 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
16.1 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
13.1 days - Average sunshine days in November:
14.3 days - Average sunshine days in December:
14 days
The month with the most sunshine days is June (16.6 days).
The month with the least sunshine days is September (11.5 days).
Average UV index
Nikiski, AK
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Nikiski, AK
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 44).
Average visibility
Nikiski, AK
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).





