Longview weather in December: Longview, Washington: normal highs, lows, rain and records for December
Longview in December has a normal high of 47°F and a normal low of 35°F, a daily mean of 41°F, falling from 49°F on the 1st to 46°F by the 31st. Measurable precipitation falls on 24 days in a normal December, 7.14 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of 2°C, 181 mm of precipitation in December.
- NOAA stationLongview
- Station IDUSC00454769
- Location46.15°N 122.92°W
- Elevation12 ft (4 m)
- Population38,294
- Jan 48° 35°
- Feb 52° 35°
- Mar 57° 38°
- Apr 62° 40°
- May 69° 45°
- Jun 73° 50°
- Jul 79° 53°
- Aug 80° 53°
- Sep 76° 50°
- Oct 64° 44°
- Nov 53° 39°
- Dec 47° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Longview in December?
The normal high is 47°F and the normal low 35°F, for a daily mean of 40.7°F. December is 5.1°F cooler than November and 0.7°F cooler than January. December is the 12th warmest month of the year in Longview and the 2nd wettest. Across the month the normal high falls 3°F, from 49°F on December 1 to 46°F on December 31. From one year to the next December's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 39°F and 43°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 79%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 49°F | 36°F | 78% | 51% |
| December 8 | 47°F | 35°F | 78% | 50% |
| December 15 | 46°F | 35°F | 78% | 50% |
| December 22 | 46°F | 34°F | 78% | 50% |
| December 31 | 46°F | 35°F | 78% | 50% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 17)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 49°F | 36°F | 78% | 51% | 9 h |
| December 2 | 49°F | 36°F | 78% | 51% | 8 h 50 min |
| December 3 | 48°F | 36°F | 78% | 51% | 8 h 50 min |
| December 4 | 48°F | 36°F | 78% | 51% | 8 h 50 min |
| December 5 | 48°F | 36°F | 78% | 50% | 8 h 50 min |
| December 6 | 48°F | 35°F | 78% | 50% | 8 h 50 min |
| December 7 | 48°F | 35°F | 78% | 50% | 8 h 50 min |
| December 8 | 47°F | 35°F | 78% | 50% | 8 h 50 min |
| December 9 | 47°F | 35°F | 78% | 50% | 8 h 40 min |
| December 10 | 47°F | 35°F | 78% | 50% | 8 h 40 min |
| December 11 | 47°F | 35°F | 78% | 50% | 8 h 40 min |
| December 12 | 47°F | 35°F | 78% | 51% | 8 h 40 min |
| December 13 | 47°F | 35°F | 78% | 51% | 8 h 40 min |
| December 14 | 46°F | 35°F | 78% | 50% | 8 h 40 min |
| December 15 | 46°F | 35°F | 78% | 50% | 8 h 40 min |
| December 16 | 46°F | 35°F | 78% | 50% | 8 h 40 min |
| December 17 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 18 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 19 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 20 | 46°F | 34°F | 79% | 50% | 8 h 40 min |
| December 21 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 22 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 23 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 24 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 25 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 26 | 46°F | 34°F | 78% | 50% | 8 h 40 min |
| December 27 | 46°F | 35°F | 78% | 50% | 8 h 40 min |
| December 28 | 46°F | 35°F | 78% | 50% | 8 h 40 min |
| December 29 | 46°F | 35°F | 78% | 50% | 8 h 40 min |
| December 30 | 46°F | 35°F | 78% | 50% | 8 h 40 min |
| December 31 | 46°F | 35°F | 78% | 50% | 8 h 40 min |
- Normal high
- 47°FDecember average
- Normal low
- 35°FDecember average
- Precipitation
- 7.14 inmonth total
- Days with precipitation
- 240.01 inch or more
- Nights at 32°F or colder
- 9
- Daylight
- 9 h to 8 h 40 minDecember 1 to December 31
- Sunshine
- 52%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00454769; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Longview in December?
On a given December day the chance of 0.01 inch or more is 78% on average, highest around December 20 (79%). In all, 7.14 in falls on 24 days of a normal December, 1 of them with an inch or more.
In a normal December in Longview, 9 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00454769.
What are the records for December in Longview?
The warmest December temperature on this station's record (since 1925) is 64°F, on December 2, 1934; the coldest is 4°F, on December 11, 1932. The wettest December brought 20.13 in (1933); the snowiest, 8.5 inches (1972).
The December mean against the 1991-2020 normal of 40.7°F: 2021 39.8°F (−0.9), 2022 39.6°F (−1.1), 2023 45.0°F (+4.3), 2024 43.8°F (+3.0), 2025 46.8°F (+6.1). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 39.8°F | −0.9°F | 8.37 in |
| 2022 | 39.6°F | −1.1°F | 6.59 in |
| 2023 | 45.0°F | +4.3°F | 8.11 in |
| 2024 | 43.8°F | +3.0°F | 7.64 in |
| 2025 | 46.8°F | +6.1°F | 12.09 in |
Source: records: ACIS, station USC00454769; recent months: ACIS, station USC00454769. Records and recent months use complete months only.
How does December in Longview 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; Longview's is 47°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.