Climate and monthly weather forecastIliamna, AK
Climate and monthly weather forecast
Weather in January
January, the same as December, in Iliamna, Alaska, is another subzero cold winter month, with an average temperature fluctuating between 22.6°F (-5.2°C) and 9.9°F (-12.3°C). January, with an average high of 22.6°F (-5.2°C) and a low of 9.9°F (-12.3°C), signifies the coldest month of the year. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Iliamna, Alaska, with an average temperature fluctuating between 11.7°F (-11.3°C) and 25.5°F (-3.6°C). The average high-temperature for February is a still freezing cold 25.5°F (-3.6°C), closely aligning with the temperature of the preceding month. Weather in February »Weather in March
The first month of the spring, March, is also a subzero cold month in Iliamna, Alaska, with an average temperature varying between 29.5°F (-1.4°C) and 14.4°F (-9.8°C). March's weather displays an average high-temperature of a still subzero cold 29.5°F (-1.4°C), slightly varied from February's 25.5°F (-3.6°C). Weather in March »Weather in April
April in Iliamna, Alaska, is an icy spring month, with an average temperature fluctuating between 25°F (-3.9°C) and 39.2°F (4°C). April's arrival is marked by an increase in the average high-temperature, moving from a subzero cold 29.5°F (-1.4°C) in March to a wintry 39.2°F (4°C). Weather in April »Weather in May
May, the last month of the spring in Iliamna, is a fresh month, with temperature in the range of an average low of 35.2°F (1.8°C) and an average high of 50.5°F (10.3°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from an icy 39.2°F (4°C) in April to a fresh 50.5°F (10.3°C). Weather in May »Weather in June
The first month of the summer, June, is a moderate month in Iliamna, Alaska, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 59°F (15°C). Iliamna's weather in June presents a minor rise in the average high-temperature, moving from a cool 50.5°F (10.3°C) in May to a moderate 59°F (15°C). Weather in June »Weather in July
July in Iliamna, Alaska, is a refreshing summer month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 48.4°F (9.1°C). With its high average temperature of 62.4°F (16.9°C) and a low of 48.4°F (9.1°C), July is regarded as the warmest month. Weather in July »Weather in August
The last month of the summer, August, is another refreshing month in Iliamna, Alaska, with an average temperature ranging between min 48°F (8.9°C) and max 61°F (16.1°C). August observes an average high-temperature of a still enjoyable 61°F (16.1°C), marking an insignificant difference from July's 62.4°F (16.9°C). Weather in August »Weather in September
The first month of the autumn, September, is still a cool month in Iliamna, Alaska, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 41.7°F (5.4°C). September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a refreshing 61°F (16.1°C) in August to a fresh 54.1°F (12.3°C). Weather in September »Weather in October
October, like September, in Iliamna, Alaska, is a wintry autumn month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 40.8°F (4.9°C). The onset of October introduces a moderate change in Iliamna's weather, with average high-temperatures falling from September's cool 54.1°F (12.3°C) to an icy 40.8°F (4.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another freezing cold month in Iliamna, Alaska, with an average temperature ranging between min 18.3°F (-7.6°C) and max 29.8°F (-1.2°C). In Iliamna, the average high-temperature in November drops from a wintry 40.8°F (4.9°C) in October to a freezing cold 29.8°F (-1.2°C). Weather in November »Weather in December
December, the first month of the winter in Iliamna, is also a subzero cold month, with temperature in the range of an average high of 23.2°F (-4.9°C) and an average low of 10.6°F (-11.9°C). Iliamna's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's subzero cold 29.8°F (-1.2°C) to a still freezing cold 23.2°F (-4.9°C). Weather in December »Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average high and low temperatures of 22.6°F (-5.2°C) and 9.9°F (-12.3°C) respectively, January is Iliamna's coldest month.
Throughout the year, there are 133 rainfall days, and 25.55" (649mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Iliamna, during the entire year, snow aggregates up to 59.21" (1504mm).
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.
April is the month with the least rainfall. Rain falls for 8 days and accumulates 1.06" (27mm) of precipitation.
June through September are months without snowfall.
With an average of 18h and 36min of daylight, June has the longest days of the year.
In Iliamna, the peak average temperatures are observed in July, with a high of 62.4°F (16.9°C) and a low of 48.4°F (9.1°C).
The month with the most rainfall is August, when the rain falls for 16 days and typically aggregates up to 4.61" (117mm) of precipitation.
December is the month with the most snowfall, with 11.81" (300mm) of accumulated snow.
The month with the shortest days is December, with an average of 6h and 6min of daylight.
Average temperature
Iliamna, AK
The warmest month (with the highest average high temperature) is July (62.5°F).
The month with the lowest average high temperature is January (22.6°F).
The month with the highest average low temperature is July (48.3°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average rainfall
Iliamna, AK
The wettest month (with the highest rainfall) is August (4.6").
The driest months (with the least rainfall) are February, March and April (1.1").
Average rainfall days
Iliamna, AK
- Average rainfall days in January:
9 days - Average rainfall days in February:
10 days - Average rainfall days in March:
8 days - Average rainfall days in April:
8 days - Average rainfall days in May:
9 days - Average rainfall days in June:
10 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
16 days - Average rainfall days in September:
16 days - Average rainfall days in October:
13 days - Average rainfall days in November:
11 days - Average rainfall days in December:
10 days
The months with the highest number of rainy days are August and September (16 days).
The months with the least rainy days are March and April (8 days).
Average snowfall
Iliamna, AK
The month with the highest snowfall is December (11.8").
The months with the least snowfall are June, July, August and September (0").
Average daylight
Iliamna, AK
- Average daylight in January:
7h and 0min - Average daylight in February:
9h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 36min - Average daylight in May:
17h and 12min - Average daylight in June:
18h and 36min
- Average daylight in July:
17h and 48min - Average daylight in August:
15h and 30min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 36min - Average daylight in December:
6h and 6min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
