Ketchikan weather in January: Ketchikan, Alaska: normal highs, lows, rain and records for January
Ketchikan in January has a normal high of 40°F and a normal low of 32°F, a daily mean of 36°F, holding near 40°F all month. Measurable precipitation falls on 22 days in a normal January, 16.17 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 4°C and low of 0°C, 411 mm of precipitation in January.
- NOAA stationKetchikan International Airport
- Station IDUSW00025325
- Location55.36°N 131.71°W
- Elevation76 ft (23 m)
- Population8,033
- Jan 40° 32°
- Feb 41° 32°
- Mar 44° 32°
- Apr 50° 37°
- May 57° 43°
- Jun 61° 49°
- Jul 65° 53°
- Aug 65° 53°
- Sep 59° 48°
- Oct 51° 41°
- Nov 44° 36°
- Dec 40° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ketchikan in January?
The normal high is 40°F and the normal low 32°F, for a daily mean of 35.6°F. January is 0.8°F cooler than December and 0.6°F cooler than February. January is the 12th warmest month of the year in Ketchikan and the 4th wettest. Across the month the normal high rises 1°F, from 39°F on January 1 to 40°F on January 31. From one year to the next January's mean temperature typically moves about 3.8°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 32°F and 39°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 71%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 39°F | 31°F | 71% | 56% |
| January 8 | 39°F | 31°F | 71% | 55% |
| January 15 | 40°F | 31°F | 70% | 54% |
| January 22 | 40°F | 32°F | 70% | 54% |
| January 31 | 40°F | 32°F | 67% | 52% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 3)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 39°F | 31°F | 71% | 56% | 7 h 10 min |
| January 2 | 39°F | 31°F | 71% | 56% | 7 h 10 min |
| January 3 | 39°F | 31°F | 71% | 55% | 7 h 10 min |
| January 4 | 39°F | 31°F | 71% | 55% | 7 h 20 min |
| January 5 | 39°F | 31°F | 71% | 55% | 7 h 20 min |
| January 6 | 39°F | 31°F | 71% | 55% | 7 h 20 min |
| January 7 | 39°F | 31°F | 71% | 55% | 7 h 20 min |
| January 8 | 39°F | 31°F | 71% | 55% | 7 h 20 min |
| January 9 | 39°F | 31°F | 71% | 55% | 7 h 30 min |
| January 10 | 39°F | 31°F | 71% | 55% | 7 h 30 min |
| January 11 | 39°F | 31°F | 71% | 55% | 7 h 30 min |
| January 12 | 40°F | 31°F | 71% | 55% | 7 h 30 min |
| January 13 | 40°F | 31°F | 71% | 54% | 7 h 40 min |
| January 14 | 40°F | 31°F | 71% | 54% | 7 h 40 min |
| January 15 | 40°F | 31°F | 70% | 54% | 7 h 40 min |
| January 16 | 40°F | 31°F | 70% | 54% | 7 h 40 min |
| January 17 | 40°F | 32°F | 70% | 54% | 7 h 50 min |
| January 18 | 40°F | 32°F | 70% | 54% | 7 h 50 min |
| January 19 | 40°F | 32°F | 70% | 54% | 7 h 50 min |
| January 20 | 40°F | 32°F | 70% | 54% | 8 h |
| January 21 | 40°F | 32°F | 70% | 54% | 8 h |
| January 22 | 40°F | 32°F | 70% | 54% | 8 h |
| January 23 | 40°F | 32°F | 69% | 53% | 8 h 10 min |
| January 24 | 40°F | 32°F | 69% | 53% | 8 h 10 min |
| January 25 | 40°F | 32°F | 69% | 53% | 8 h 10 min |
| January 26 | 40°F | 32°F | 69% | 53% | 8 h 20 min |
| January 27 | 40°F | 32°F | 69% | 53% | 8 h 20 min |
| January 28 | 40°F | 32°F | 68% | 53% | 8 h 20 min |
| January 29 | 40°F | 32°F | 68% | 52% | 8 h 30 min |
| January 30 | 40°F | 32°F | 68% | 52% | 8 h 30 min |
| January 31 | 40°F | 32°F | 67% | 52% | 8 h 30 min |
- Normal high
- 40°FJanuary average
- Normal low
- 32°FJanuary average
- Precipitation
- 16.17 inmonth total
- Days with precipitation
- 220.01 inch or more
- Nights at 32°F or colder
- 15
- Daylight
- 7 h 10 min to 8 h 30 minJanuary 1 to January 31
- Sunshine
- 45%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00025325; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Ketchikan in January?
On a given January day the chance of 0.01 inch or more is 70% on average, highest around January 1 (71%). In all, 16.17 in falls on 22 days of a normal January, 6 of them with an inch or more.
In a normal January in Ketchikan, 15 nights fall to freezing and 5 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00025325.
How humid and windy is Ketchikan in January?
At 3 p.m. the normal temperature is 38°F with 79% relative humidity and a dew point of 32°F; at 6 a.m. it is 35°F with 85% humidity. The wind averages 8.8 mph, most often from the south-southeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 35°F | 31°F | 85% | 8.7 mph | – |
| 9 a.m. | 36°F | 32°F | 85% | 9.0 mph | – |
| noon | 38°F | 32°F | 79% | 10.2 mph | 18% |
| 3 p.m. | 38°F | 32°F | 79% | 9.7 mph | – |
| 6 p.m. | 36°F | 32°F | 83% | 8.6 mph | 27% |
| 9 p.m. | 36°F | 32°F | 85% | 8.4 mph | 29% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00025325. 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 Ketchikan?
The warmest January temperature on this station's record (since 1910) is 62°F, on January 7, 1958; the coldest is −7°F, on January 23, 1916. The wettest January brought 31.28 in (1962); the snowiest, 38.0 inches (1969).
The January mean against the 1991-2020 normal of 35.6°F: 2021 37.7°F (+2.1), 2022 35.2°F (−0.4), 2023 39.5°F (+3.9), 2024 35.4°F (−0.2), 2025 37.7°F (+2.1), 2026 37.3°F (+1.7). 4 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 37.7°F | +2.1°F | 16.92 in |
| 2022 | 35.2°F | −0.4°F | 21.32 in |
| 2023 | 39.5°F | +3.9°F | 20.65 in |
| 2024 | 35.4°F | −0.2°F | 15.41 in |
| 2025 | 37.7°F | +2.1°F | 14.51 in |
| 2026 | 37.3°F | +1.7°F | 19.25 in |
Source: records: ACIS, station USW00025325; recent months: ACIS, station USW00025325. Records and recent months use complete months only.
How does January in Ketchikan 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; Ketchikan's is 40°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.