Iliamna weather in January: Iliamna, Alaska: normal highs, lows, rain and records for January
Iliamna in January has a normal high of 25°F and a normal low of 12°F, a daily mean of 18°F, rising from 25°F on the 1st to 27°F by the 31st. Measurable precipitation falls on 8 days in a normal January, 0.90 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −4°C and low of −11°C, 23 mm of precipitation in January.
- NOAA stationIliamna Airport
- Station IDUSW00025506
- Location59.75°N 154.91°W
- Elevation143 ft (44 m)
- Population (census place)45
- Jan 25° 12°
- Feb 30° 16°
- Mar 32° 16°
- Apr 43° 29°
- May 55° 38°
- Jun 62° 45°
- Jul 65° 51°
- Aug 64° 50°
- Sep 56° 43°
- Oct 45° 32°
- Nov 33° 21°
- Dec 28° 15°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Iliamna in January?
The normal high is 25°F and the normal low 12°F, for a daily mean of 18.4°F. January is 3.3°F cooler than December and 4.7°F cooler than February. January is the 12th warmest month of the year in Iliamna and the 10th wettest. Across the month the normal high rises 2°F, from 25°F on January 1 to 27°F on January 31. From one year to the next January's mean temperature typically moves about 9.0°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 9°F and 27°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 25°F | 12°F | 30% | 12% |
| January 8 | 24°F | 11°F | 27% | 11% |
| January 15 | 24°F | 11°F | 27% | 11% |
| January 22 | 25°F | 12°F | 26% | 10% |
| January 31 | 27°F | 15°F | 27% | 10% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 8)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 25°F | 12°F | 30% | 12% | 6 h 10 min |
| January 2 | 25°F | 12°F | 29% | 12% | 6 h 10 min |
| January 3 | 25°F | 11°F | 29% | 12% | 6 h 10 min |
| January 4 | 25°F | 11°F | 28% | 12% | 6 h 10 min |
| January 5 | 24°F | 11°F | 28% | 12% | 6 h 10 min |
| January 6 | 24°F | 11°F | 28% | 12% | 6 h 20 min |
| January 7 | 24°F | 11°F | 28% | 11% | 6 h 20 min |
| January 8 | 24°F | 11°F | 27% | 11% | 6 h 20 min |
| January 9 | 24°F | 11°F | 27% | 11% | 6 h 20 min |
| January 10 | 24°F | 11°F | 27% | 11% | 6 h 30 min |
| January 11 | 24°F | 11°F | 27% | 11% | 6 h 30 min |
| January 12 | 24°F | 11°F | 27% | 11% | 6 h 30 min |
| January 13 | 24°F | 11°F | 27% | 11% | 6 h 40 min |
| January 14 | 24°F | 11°F | 27% | 11% | 6 h 40 min |
| January 15 | 24°F | 11°F | 27% | 11% | 6 h 40 min |
| January 16 | 24°F | 11°F | 26% | 11% | 6 h 50 min |
| January 17 | 24°F | 11°F | 26% | 11% | 6 h 50 min |
| January 18 | 24°F | 11°F | 26% | 10% | 6 h 50 min |
| January 19 | 24°F | 12°F | 26% | 10% | 7 h |
| January 20 | 25°F | 12°F | 26% | 10% | 7 h |
| January 21 | 25°F | 12°F | 26% | 10% | 7 h 10 min |
| January 22 | 25°F | 12°F | 26% | 10% | 7 h 10 min |
| January 23 | 25°F | 13°F | 26% | 10% | 7 h 20 min |
| January 24 | 25°F | 13°F | 26% | 10% | 7 h 20 min |
| January 25 | 26°F | 13°F | 26% | 10% | 7 h 20 min |
| January 26 | 26°F | 13°F | 26% | 10% | 7 h 30 min |
| January 27 | 26°F | 14°F | 27% | 10% | 7 h 30 min |
| January 28 | 26°F | 14°F | 27% | 10% | 7 h 40 min |
| January 29 | 27°F | 14°F | 27% | 10% | 7 h 40 min |
| January 30 | 27°F | 14°F | 27% | 10% | 7 h 50 min |
| January 31 | 27°F | 15°F | 27% | 10% | 7 h 50 min |
- Normal high
- 25°FJanuary average
- Normal low
- 12°FJanuary average
- Precipitation
- 0.90 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 26
- Daylight
- 6 h 10 min to 7 h 50 minJanuary 1 to January 31
- Sunshine
- 52%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00025506; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Iliamna in January?
On a given January day the chance of 0.01 inch or more is 27% on average, highest around January 1 (30%). In all, 0.90 in falls on 8 days of a normal January.
In a normal January in Iliamna, 26 nights fall to freezing and 19 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00025506.
How humid and windy is Iliamna in January?
At 3 p.m. the normal temperature is 20°F with 72% relative humidity and a dew point of 13°F; at 6 a.m. it is 16°F with 78% humidity. The wind averages 10.7 mph, most often from the east-northeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 16°F | 11°F | 78% | 10.8 mph | – |
| 9 a.m. | 16°F | 10°F | 79% | 10.8 mph | 40% |
| noon | 18°F | 12°F | 75% | 10.8 mph | 38% |
| 3 p.m. | 20°F | 13°F | 72% | 11.0 mph | 28% |
| 6 p.m. | 19°F | 13°F | 76% | 10.4 mph | – |
| 9 p.m. | 18°F | 12°F | 78% | 10.6 mph | 31% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00025506. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Iliamna?
The warmest January temperature on this station's record (since 1920) is 57°F, on January 27, 2014; the coldest is −47°F, on January 22, 1947. The wettest January brought 4.67 in (1922); the snowiest, 53.0 inches (1922).
The January mean against the 1991-2020 normal of 18.4°F: 2021 26.1°F (+7.7), 2022 13.9°F (−4.5), 2023 26.6°F (+8.2), 2024 13.3°F (−5.1), 2025 28.8°F (+10.4), 2026 7.7°F (−10.7). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 26.1°F | +7.7°F | 1.70 in |
| 2022 | 13.9°F | −4.5°F | 0.96 in |
| 2023 | 26.6°F | +8.2°F | 0.72 in |
| 2024 | 13.3°F | −5.1°F | 0.28 in |
| 2025 | 28.8°F | +10.4°F | 2.90 in |
| 2026 | 7.7°F | −10.7°F | 1.53 in |
Source: records: ACIS, station USW00025506; recent months: ACIS, station USW00025506. Records and recent months use complete months only.
How does January in Iliamna compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, January normal highs run from −11°F in Chicken to 41°F in Metlakatla; Iliamna's is 25°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.