Brunswick weather in December: Brunswick, Georgia: normal highs, lows, rain and records for December
Brunswick in December has a normal high of 64°F and a normal low of 47°F, a daily mean of 56°F, falling from 67°F on the 1st to 62°F by the 31st. Measurable precipitation falls on 8 days in a normal December, 2.75 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 8°C, 70 mm of precipitation in December.
- NOAA stationBrunswick Malcolm McKinnon Airport
- Station IDUSW00013878
- Location31.15°N 81.39°W
- Elevation16 ft (5 m)
- Population15,520
- Jan 62° 44°
- Feb 65° 47°
- Mar 70° 53°
- Apr 76° 60°
- May 83° 68°
- Jun 88° 74°
- Jul 91° 76°
- Aug 90° 76°
- Sep 86° 73°
- Oct 79° 64°
- Nov 71° 53°
- Dec 64° 47°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Brunswick in December?
The normal high is 64°F and the normal low 47°F, for a daily mean of 55.7°F. December is 6.3°F cooler than November and 2.7°F warmer than January. December is the 11th warmest month of the year in Brunswick and the 10th wettest. Across the month the normal high falls 5°F, from 67°F on December 1 to 62°F on December 31. From one year to the next December's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 52°F and 60°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 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 67°F | 50°F | 24% | 14% |
| December 8 | 66°F | 49°F | 25% | 15% |
| December 15 | 64°F | 47°F | 26% | 15% |
| December 22 | 63°F | 46°F | 26% | 16% |
| December 31 | 62°F | 45°F | 26% | 15% |
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 | 67°F | 50°F | 24% | 14% | 10 h 20 min |
| December 2 | 67°F | 50°F | 24% | 14% | 10 h 20 min |
| December 3 | 67°F | 49°F | 24% | 14% | 10 h 20 min |
| December 4 | 66°F | 49°F | 24% | 14% | 10 h 10 min |
| December 5 | 66°F | 49°F | 24% | 14% | 10 h 10 min |
| December 6 | 66°F | 49°F | 24% | 14% | 10 h 10 min |
| December 7 | 66°F | 49°F | 25% | 14% | 10 h 10 min |
| December 8 | 66°F | 49°F | 25% | 15% | 10 h 10 min |
| December 9 | 65°F | 48°F | 25% | 15% | 10 h 10 min |
| December 10 | 65°F | 48°F | 25% | 15% | 10 h 10 min |
| December 11 | 65°F | 48°F | 25% | 15% | 10 h 10 min |
| December 12 | 65°F | 48°F | 26% | 15% | 10 h 10 min |
| December 13 | 65°F | 48°F | 26% | 15% | 10 h 10 min |
| December 14 | 65°F | 48°F | 26% | 15% | 10 h 10 min |
| December 15 | 64°F | 47°F | 26% | 15% | 10 h 10 min |
| December 16 | 64°F | 47°F | 26% | 15% | 10 h 10 min |
| December 17 | 64°F | 47°F | 26% | 15% | 10 h 10 min |
| December 18 | 64°F | 47°F | 26% | 16% | 10 h 10 min |
| December 19 | 64°F | 47°F | 26% | 16% | 10 h 10 min |
| December 20 | 64°F | 47°F | 26% | 16% | 10 h 10 min |
| December 21 | 63°F | 46°F | 26% | 16% | 10 h 10 min |
| December 22 | 63°F | 46°F | 26% | 16% | 10 h 10 min |
| December 23 | 63°F | 46°F | 26% | 16% | 10 h 10 min |
| December 24 | 63°F | 46°F | 26% | 16% | 10 h 10 min |
| December 25 | 63°F | 46°F | 26% | 16% | 10 h 10 min |
| December 26 | 63°F | 46°F | 26% | 16% | 10 h 10 min |
| December 27 | 63°F | 45°F | 26% | 16% | 10 h 10 min |
| December 28 | 63°F | 45°F | 26% | 16% | 10 h 10 min |
| December 29 | 63°F | 45°F | 26% | 16% | 10 h 10 min |
| December 30 | 62°F | 45°F | 26% | 15% | 10 h 10 min |
| December 31 | 62°F | 45°F | 26% | 15% | 10 h 10 min |
- Normal high
- 64°FDecember average
- Normal low
- 47°FDecember average
- Precipitation
- 2.75 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 10 h 20 min to 10 h 10 minDecember 1 to December 31
- Days at 70°F or more
- 8
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013878; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Brunswick in December?
On a given December day the chance of 0.01 inch or more is 25% on average, highest around December 22 (26%). In all, 2.75 in falls on 8 days of a normal December, 1 of them with an inch or more.
In a normal December in Brunswick, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013878.
How humid and windy is Brunswick in December?
At 3 p.m. the normal temperature is 59°F with 61% relative humidity and a dew point of 46°F; at 6 a.m. it is 48°F with 86% humidity. The wind averages 7.4 mph, most often from the north-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 48°F | 44°F | 86% | 6.5 mph | – |
| 9 a.m. | 51°F | 45°F | 82% | 7.6 mph | – |
| noon | 58°F | 46°F | 65% | 9.4 mph | 63% |
| 3 p.m. | 59°F | 46°F | 61% | 9.7 mph | 63% |
| 6 p.m. | 55°F | 46°F | 73% | 6.9 mph | 66% |
| 9 p.m. | 52°F | 46°F | 80% | 6.5 mph | 69% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013878. 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 Brunswick?
The warmest December temperature on this station's record (since 1944) is 84°F, on December 16, 1971; the coldest is 12°F, on December 25, 1983. The wettest December brought 8.62 in (2018); the snowiest, 4.0 inches (1989).
The December mean against the 1991-2020 normal of 55.7°F: 2021 63.0°F (+7.3), 2022 56.4°F (+0.7), 2023 57.6°F (+1.9), 2025 57.5°F (+1.8). 4 of 4 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 63.0°F | +7.3°F | 1.15 in |
| 2022 | 56.4°F | +0.7°F | 1.03 in |
| 2023 | 57.6°F | +1.9°F | – |
| 2025 | 57.5°F | +1.8°F | – |
Source: records: ACIS, station USW00013878; recent months: ACIS, station USW00013878. Records and recent months use complete months only.
How does December in Brunswick compare across Georgia?
Across the 101 places PlainClimate covers in Georgia, December normal highs run from 49°F in Mountain City to 68°F in Folkston; Brunswick's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.