Kenai weather in December: Kenai, Alaska: normal highs, lows, rain and records for December
Kenai in December has a normal high of 25°F and a normal low of 11°F, a daily mean of 18°F, falling from 27°F on the 1st to 23°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 1.14 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −4°C and low of −12°C, 29 mm of precipitation in December.
- NOAA stationKenai Municipal Airport
- Station IDUSW00026523
- Location60.58°N 151.24°W
- Elevation91 ft (28 m)
- Population7,770
- Jan 22° 7°
- Feb 28° 12°
- Mar 33° 14°
- Apr 44° 28°
- May 55° 36°
- Jun 60° 44°
- Jul 63° 49°
- Aug 63° 47°
- Sep 56° 40°
- Oct 43° 29°
- Nov 30° 16°
- Dec 25° 11°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Kenai in December?
The normal high is 25°F and the normal low 11°F, for a daily mean of 18.1°F. December is 5.1°F cooler than November and 3.2°F warmer than January. December is the 11th warmest month of the year in Kenai and the 7th wettest. Across the month the normal high falls 4°F, from 27°F on December 1 to 23°F on December 31. From one year to the next December's mean temperature typically moves about 6.4°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 12°F and 25°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 27°F | 14°F | 35% | 13% |
| December 8 | 26°F | 13°F | 34% | 12% |
| December 15 | 25°F | 12°F | 33% | 11% |
| December 22 | 24°F | 10°F | 31% | 10% |
| December 31 | 23°F | 8°F | 29% | 10% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 27°F | 14°F | 35% | 13% | 6 h 20 min |
| December 2 | 27°F | 14°F | 35% | 13% | 6 h 20 min |
| December 3 | 27°F | 13°F | 35% | 13% | 6 h 10 min |
| December 4 | 27°F | 13°F | 35% | 13% | 6 h 10 min |
| December 5 | 27°F | 13°F | 34% | 13% | 6 h 10 min |
| December 6 | 27°F | 13°F | 34% | 13% | 6 h 10 min |
| December 7 | 27°F | 13°F | 34% | 12% | 6 h |
| December 8 | 26°F | 13°F | 34% | 12% | 6 h |
| December 9 | 26°F | 13°F | 34% | 12% | 6 h |
| December 10 | 26°F | 12°F | 34% | 12% | 6 h |
| December 11 | 26°F | 12°F | 34% | 12% | 5 h 50 min |
| December 12 | 26°F | 12°F | 34% | 12% | 5 h 50 min |
| December 13 | 26°F | 12°F | 34% | 12% | 5 h 50 min |
| December 14 | 26°F | 12°F | 33% | 12% | 5 h 50 min |
| December 15 | 25°F | 12°F | 33% | 11% | 5 h 50 min |
| December 16 | 25°F | 11°F | 33% | 11% | 5 h 40 min |
| December 17 | 25°F | 11°F | 33% | 11% | 5 h 40 min |
| December 18 | 25°F | 11°F | 32% | 11% | 5 h 40 min |
| December 19 | 25°F | 11°F | 32% | 11% | 5 h 40 min |
| December 20 | 25°F | 10°F | 32% | 11% | 5 h 40 min |
| December 21 | 24°F | 10°F | 31% | 11% | 5 h 40 min |
| December 22 | 24°F | 10°F | 31% | 10% | 5 h 40 min |
| December 23 | 24°F | 10°F | 31% | 10% | 5 h 40 min |
| December 24 | 24°F | 9°F | 30% | 10% | 5 h 40 min |
| December 25 | 24°F | 9°F | 30% | 10% | 5 h 40 min |
| December 26 | 24°F | 9°F | 30% | 10% | 5 h 40 min |
| December 27 | 23°F | 9°F | 30% | 10% | 5 h 40 min |
| December 28 | 23°F | 8°F | 29% | 10% | 5 h 40 min |
| December 29 | 23°F | 8°F | 29% | 10% | 5 h 50 min |
| December 30 | 23°F | 8°F | 29% | 10% | 5 h 50 min |
| December 31 | 23°F | 8°F | 29% | 10% | 5 h 50 min |
- Normal high
- 25°FDecember average
- Normal low
- 11°FDecember average
- Precipitation
- 1.14 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 30
- Daylight
- 6 h 20 min to 5 h 50 minDecember 1 to December 31
- Sunshine
- 55%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00026523; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Kenai in December?
On a given December day the chance of 0.01 inch or more is 32% on average, highest around December 1 (35%). In all, 1.14 in falls on 11 days of a normal December.
In a normal December in Kenai, 30 nights fall to freezing and 22 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00026523.
How humid and windy is Kenai in December?
At 3 p.m. the normal temperature is 21°F with 80% relative humidity and a dew point of 16°F; at 6 a.m. it is 16°F with 82% humidity. The wind averages 8.0 mph, most often from the north-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 | 82% | 7.6 mph | – |
| 9 a.m. | 17°F | 13°F | 83% | 8.0 mph | – |
| noon | 19°F | 14°F | 81% | 8.2 mph | – |
| 3 p.m. | 21°F | 16°F | 80% | 8.3 mph | – |
| 6 p.m. | 19°F | 14°F | 81% | 8.1 mph | – |
| 9 p.m. | 18°F | 13°F | 82% | 7.9 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00026523. 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 December in Kenai?
The warmest December temperature on this station's record (since 1899) is 56°F, on December 19, 1906; the coldest is −43°F, on December 31, 1902. The wettest December brought 3.96 in (1998); the snowiest, 38.5 inches (1991).
The December mean against the 1991-2020 normal of 18.1°F: 2021 12.6°F (−5.5), 2022 11.6°F (−6.5), 2023 14.2°F (−3.9), 2024 28.3°F (+10.2), 2025 11.8°F (−6.3). 1 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 12.6°F | −5.5°F | 0.21 in |
| 2022 | 11.6°F | −6.5°F | 0.24 in |
| 2023 | 14.2°F | −3.9°F | 0.31 in |
| 2024 | 28.3°F | +10.2°F | 0.17 in |
| 2025 | 11.8°F | −6.3°F | 0.06 in |
Source: records: ACIS, station USW00026523; recent months: ACIS, station USW00026523. Records and recent months use complete months only.
How does December in Kenai compare across Alaska?
Across the 85 places PlainClimate covers in Alaska, December normal highs run from −7°F in Chicken to 42°F in Sitka; Kenai's is 25°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.