Spokane weather in December: Spokane, Washington: normal highs, lows, rain and records for December
Spokane in December has a normal high of 34°F and a normal low of 24°F, a daily mean of 29°F, falling from 37°F on the 1st to 33°F by the 31st. Measurable precipitation falls on 14 days in a normal December, 2.34 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 1°C and low of −4°C, 59 mm of precipitation and 35 cm of snow in December.
- NOAA stationSpokane International Airport
- Station IDUSW00024157
- Location47.62°N 117.53°W
- Elevation2,353 ft (717 m)
- From the center5 miles
- Population230,609
- Jan 35° 25°
- Feb 40° 26°
- Mar 49° 32°
- Apr 57° 37°
- May 67° 45°
- Jun 74° 51°
- Jul 84° 58°
- Aug 84° 57°
- Sep 74° 49°
- Oct 58° 38°
- Nov 42° 30°
- Dec 34° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Spokane in December?
The normal high is 34°F and the normal low 24°F, for a daily mean of 29.1°F. December is 7.2°F cooler than November and 0.5°F cooler than January. December is the 12th warmest month of the year in Spokane and the wettest, and the snowiest. Across the month the normal high falls 4°F, from 37°F on December 1 to 33°F on December 31. From one year to the next December's mean temperature typically moves about 3.4°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 26°F and 33°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 48%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 37°F | 27°F | 45% | 24% |
| December 8 | 35°F | 25°F | 45% | 24% |
| December 15 | 33°F | 24°F | 46% | 25% |
| December 22 | 33°F | 23°F | 46% | 24% |
| December 31 | 33°F | 23°F | 48% | 24% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 23)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 37°F | 27°F | 45% | 24% | 8 h 40 min |
| December 2 | 36°F | 27°F | 45% | 24% | 8 h 40 min |
| December 3 | 36°F | 26°F | 45% | 24% | 8 h 40 min |
| December 4 | 36°F | 26°F | 45% | 24% | 8 h 40 min |
| December 5 | 35°F | 26°F | 45% | 24% | 8 h 40 min |
| December 6 | 35°F | 26°F | 45% | 24% | 8 h 40 min |
| December 7 | 35°F | 26°F | 45% | 24% | 8 h 40 min |
| December 8 | 35°F | 25°F | 45% | 24% | 8 h 30 min |
| December 9 | 35°F | 25°F | 45% | 24% | 8 h 30 min |
| December 10 | 34°F | 25°F | 45% | 24% | 8 h 30 min |
| December 11 | 34°F | 25°F | 45% | 24% | 8 h 30 min |
| December 12 | 34°F | 25°F | 45% | 25% | 8 h 30 min |
| December 13 | 34°F | 24°F | 46% | 25% | 8 h 30 min |
| December 14 | 34°F | 24°F | 46% | 25% | 8 h 30 min |
| December 15 | 33°F | 24°F | 46% | 25% | 8 h 30 min |
| December 16 | 33°F | 24°F | 46% | 25% | 8 h 30 min |
| December 17 | 33°F | 24°F | 46% | 25% | 8 h 30 min |
| December 18 | 33°F | 24°F | 46% | 24% | 8 h 30 min |
| December 19 | 33°F | 24°F | 46% | 24% | 8 h 30 min |
| December 20 | 33°F | 23°F | 46% | 24% | 8 h 30 min |
| December 21 | 33°F | 23°F | 46% | 24% | 8 h 30 min |
| December 22 | 33°F | 23°F | 46% | 24% | 8 h 30 min |
| December 23 | 33°F | 23°F | 47% | 24% | 8 h 30 min |
| December 24 | 33°F | 23°F | 47% | 24% | 8 h 30 min |
| December 25 | 33°F | 23°F | 47% | 24% | 8 h 30 min |
| December 26 | 33°F | 23°F | 47% | 24% | 8 h 30 min |
| December 27 | 33°F | 23°F | 47% | 24% | 8 h 30 min |
| December 28 | 33°F | 23°F | 47% | 24% | 8 h 30 min |
| December 29 | 33°F | 23°F | 48% | 24% | 8 h 30 min |
| December 30 | 33°F | 23°F | 48% | 24% | 8 h 30 min |
| December 31 | 33°F | 23°F | 48% | 24% | 8 h 30 min |
- Normal high
- 34°FDecember average
- Normal low
- 24°FDecember average
- Precipitation
- 2.34 inmonth total
- Days with precipitation
- 140.01 inch or more
- Snowfall
- 13.8 inmonth total
- Nights at 32°F or colder
- 27
- Daylight
- 8 h 40 min to 8 h 30 minDecember 1 to December 31
- Sunshine
- 50%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024157; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Spokane in December?
On a given December day the chance of 0.01 inch or more is 46% on average, highest around December 30 (48%). In all, 2.34 in falls on 14 days of a normal December.
In a normal December in Spokane, 27 nights fall to freezing, 13 days stay below freezing all day and snowfall averages 13.8 inches.
Snow falls on 10 days in a normal December, and an inch or more covers the ground on 13 days.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024157.
How humid and windy is Spokane in December?
At 3 p.m. the normal temperature is 31°F with 81% relative humidity and a dew point of 26°F; at 6 a.m. it is 26°F with 90% humidity. The wind averages 7.9 mph, most often from the south in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 26°F | 23°F | 90% | 7.6 mph | – |
| 9 a.m. | 27°F | 24°F | 89% | 7.8 mph | – |
| noon | 30°F | 25°F | 83% | 8.8 mph | – |
| 3 p.m. | 31°F | 26°F | 81% | 8.3 mph | – |
| 6 p.m. | 28°F | 25°F | 86% | 7.5 mph | – |
| 9 p.m. | 27°F | 24°F | 88% | 7.7 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024157. 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 Spokane?
The warmest December temperature on Spokane's official record (since 1881) is 60°F, on December 10, 1939; the coldest is −25°F, on December 30, 1968. The wettest December brought 5.13 in (1964); the snowiest, 61.5 inches (2008).
The December mean against the 1991-2020 normal of 29.1°F: 2021 27.5°F (−1.6), 2022 23.5°F (−5.6), 2023 34.6°F (+5.5), 2024 34.5°F (+5.4), 2025 37.5°F (+8.4). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 27.5°F | −1.6°F | 1.35 in |
| 2022 | 23.5°F | −5.6°F | 3.59 in |
| 2023 | 34.6°F | +5.5°F | 3.34 in |
| 2024 | 34.5°F | +5.4°F | 3.91 in |
| 2025 | 37.5°F | +8.4°F | 2.58 in |
Source: records: ACIS, NWS threaded record GEGthr; recent months: ACIS, station USW00024157. Records and recent months use complete months only.
How does December in Spokane 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; Spokane's is 34°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.