Moses Lake weather in December: Moses Lake, Washington: normal highs, lows, rain and records for December
Moses Lake in December has a normal high of 36°F and a normal low of 24°F, a daily mean of 30°F, falling from 39°F on the 1st to 35°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 1.11 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 2°C and low of −5°C, 28 mm of precipitation in December.
- NOAA stationMoses Lake Grant County Airport
- Station IDUSW00024110
- Location47.21°N 119.32°W
- Elevation1,196 ft (365 m)
- Population26,969
- Jan 36° 24°
- Feb 44° 27°
- Mar 55° 32°
- Apr 64° 37°
- May 74° 45°
- Jun 80° 52°
- Jul 90° 57°
- Aug 88° 56°
- Sep 79° 47°
- Oct 63° 37°
- Nov 46° 29°
- Dec 36° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Moses Lake in December?
The normal high is 36°F and the normal low 24°F, for a daily mean of 29.9°F. December is 7.7°F cooler than November and 0.2°F cooler than January. December is the 12th warmest month of the year in Moses Lake and the wettest. Across the month the normal high falls 4°F, from 39°F on December 1 to 35°F on December 31. From one year to the next December's mean temperature typically moves about 4.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 26°F and 34°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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 39°F | 26°F | 33% | 11% |
| December 8 | 37°F | 24°F | 33% | 12% |
| December 15 | 36°F | 23°F | 34% | 12% |
| December 22 | 35°F | 23°F | 34% | 12% |
| December 31 | 35°F | 23°F | 34% | 13% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 24)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 39°F | 26°F | 33% | 11% | 8 h 50 min |
| December 2 | 39°F | 25°F | 33% | 11% | 8 h 50 min |
| December 3 | 39°F | 25°F | 33% | 11% | 8 h 40 min |
| December 4 | 38°F | 25°F | 33% | 11% | 8 h 40 min |
| December 5 | 38°F | 25°F | 33% | 11% | 8 h 40 min |
| December 6 | 38°F | 25°F | 33% | 12% | 8 h 40 min |
| December 7 | 38°F | 24°F | 33% | 12% | 8 h 40 min |
| December 8 | 37°F | 24°F | 33% | 12% | 8 h 40 min |
| December 9 | 37°F | 24°F | 33% | 12% | 8 h 40 min |
| December 10 | 37°F | 24°F | 33% | 12% | 8 h 40 min |
| December 11 | 37°F | 24°F | 33% | 12% | 8 h 30 min |
| December 12 | 36°F | 24°F | 34% | 12% | 8 h 30 min |
| December 13 | 36°F | 24°F | 34% | 12% | 8 h 30 min |
| December 14 | 36°F | 23°F | 34% | 12% | 8 h 30 min |
| December 15 | 36°F | 23°F | 34% | 12% | 8 h 30 min |
| December 16 | 36°F | 23°F | 34% | 12% | 8 h 30 min |
| December 17 | 36°F | 23°F | 34% | 12% | 8 h 30 min |
| December 18 | 35°F | 23°F | 34% | 12% | 8 h 30 min |
| December 19 | 35°F | 23°F | 34% | 12% | 8 h 30 min |
| December 20 | 35°F | 23°F | 34% | 12% | 8 h 30 min |
| December 21 | 35°F | 23°F | 34% | 12% | 8 h 30 min |
| December 22 | 35°F | 23°F | 34% | 12% | 8 h 30 min |
| December 23 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
| December 24 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
| December 25 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
| December 26 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
| December 27 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
| December 28 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
| December 29 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
| December 30 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
| December 31 | 35°F | 23°F | 34% | 13% | 8 h 30 min |
- Normal high
- 36°FDecember average
- Normal low
- 24°FDecember average
- Precipitation
- 1.11 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 27
- Daylight
- 8 h 50 min to 8 h 30 minDecember 1 to December 31
- Sunshine
- 53%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024110; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Moses Lake in December?
On a given December day the chance of 0.01 inch or more is 34% on average, highest around December 27 (34%). In all, 1.11 in falls on 10 days of a normal December.
In a normal December in Moses Lake, 27 nights fall to freezing and 10 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024110.
What are the records for December in Moses Lake?
The warmest December temperature on this station's record (since 1949) is 68°F, on December 31, 1998; the coldest is −13°F, on December 17, 1964. The wettest December brought 2.58 in (2015); the snowiest, 19.3 inches (1964).
The December mean against the 1991-2020 normal of 29.9°F: 2021 29.3°F (−0.6), 2023 35.6°F (+5.8), 2024 35.1°F (+5.2), 2025 38.8°F (+8.9). 3 of 4 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 29.3°F | −0.6°F | 0.33 in |
| 2023 | 35.6°F | +5.8°F | 1.66 in |
| 2024 | 35.1°F | +5.2°F | 2.08 in |
| 2025 | 38.8°F | +8.9°F | 0.67 in |
Source: records: ACIS, station USW00024110; recent months: ACIS, station USW00024110. Records and recent months use complete months only.
How does December in Moses Lake compare across Washington?
Across the 96 places PlainClimate covers in Washington, December normal highs run from 29°F in Winthrop to 48°F in Grayland; Moses Lake's is 36°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Moses Lake in November46°F by day, 29°F at night
- Moses Lake in January36°F by day, 24°F at night
- Moses Lake through the yearEvery month, frost dates, records and recent years
- Washington in DecemberThe statewide normal and the warmest and coolest places
- Grayland: Washington's warmest Decembernormal high 48°F