Brunswick weather in January

In January, Brunswick sees average daytime highs of 61°F and overnight lows near 46°F, with 3.2 in of rain across 8 wet days and about 10.2 hours of daylight. It is the 12th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 61°F through the month. The sky is clear or mostly clear about 36% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of January to 10 h 30 min by month's end. Set against the rest of the year, January is Brunswick's 6th-clearest and 2nd-windiest month. For the whole year in context, see Brunswick's year-round climate.

Daytime high
61°
12th warmest
Overnight low
46°
1st coldest
Rainfall
3.2 in
8 wet days
Daylight
10 h 12 min
7:30 AM – 5:41 PM
Cloud cover
55%
6th clearest
Wind
9 mph
2nd windiest
Solar energy
2.99 kWh/m²
Travel score
5.4
out of 10

Brunswick is city in Glynn County, Georgia, United States.

Density
247/km²
people per km²
Founded
1771

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 61°F through the month.

A typical January day in Brunswick reaches about 61°F in the afternoon and slips back to 46°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 49°F and 71°F. Set against its neighbours, January runs about 2°F cooler than December and about 3°F cooler than February.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16247
26147
36147
46147
56147
66146
76146
86146
96146
106146
116146
126146
136146
146146
156146
166145
176145
186145
196145
206145
216145
226145
236145
246145
256145
266146
276146
286146
296146
306146
316146

How January really feels in Brunswick

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Brunswick weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan61° / 46°3.2810.25.4
Feb64° / 48°2.77.910.95.9
Mar69° / 53°3.07.711.86.9
Apr75° / 60°2.5712.77.5
May81° / 68°2.48.313.66.6
Jun86° / 74°5.217.2144.3
Jul88° / 76°4.418.313.83.6
Aug87° / 76°5.820.513.13.6
Sep83° / 73°5.015.212.25.0
Oct77° / 64°3.28.511.27.2
Nov69° / 55°2.05.910.47.2
Dec63° / 49°2.97.7106.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64555
74555
84753
94852
104951
114951
125050
135149
145149
155248
165248
175248
185248
195248
205248
215248
225248
235149
245050
254951
264951
274852
284753
294753
304654
314654

Chance of precipitation in January

Any precipitation

Brunswick gets around 3.2 in of rain over 8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
223
323
423
523
623
723
823
923
1024
1124
1224
1325
1425
1525
1626
1726
1826
1926
2026
2127
2227
2327
2427
2527
2627
2728
2828
2928
3028
3128

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the dry band about 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
17115113
27115113
37016113
47016113
57116112
67116112
77117102
87117102
97216102
10731692
11741691
12751681
13761581
14761581
15771571
16771571
17781471
18791461
19801460
20801460
21821350
22821350
23821350
24821350
25821350
26821350
27821350
28821350
29811450
30811450
31811450

Wind in January

Winds average 9 mph in January.

Across January, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 hours at the start of January to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:29 AM to 7:25 AM, and sunset from 5:29 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:295:29
210.07:295:30
310.07:295:31
410.07:305:31
510.07:305:32
610.17:305:33
710.17:305:34
810.17:305:34
910.17:305:35
1010.17:305:36
1110.17:305:37
1210.17:305:37
1310.17:305:38
1410.27:305:39
1510.27:305:40
1610.27:305:41
1710.27:305:42
1810.27:295:42
1910.27:295:43
2010.37:295:44
2110.37:295:45
2210.37:295:46
2310.37:285:47
2410.37:285:48
2510.37:285:48
2610.47:275:49
2710.47:275:50
2810.47:265:51
2910.47:265:52
3010.57:255:53
3110.57:255:54

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.99 kWh/m².

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 6.47 kWh/m² in May across the year — January's 2.99 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.1Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.1Moderate
223.1Moderate
233.1Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.3Moderate
313.3Moderate
Planning a trip in January

Hazard calendar for Brunswick

In seasonPeak

None of Brunswick's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Brunswick sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Brunswick?

Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.4
Sightseeing
8th-best month of the year
0.8
Beach & pool
12th-best month of the year

January is a reasonable time to visit Brunswick for sightseeing.

What to pack for Brunswick in January

From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In January, Brunswick sees daytime highs around 61°F and nights near 46°F. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Brunswick in January

The nearest coast averages about 59°F in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 83°F and coldest in February near 58°F.

It's comfortable for a long swim from Apr 18 to Nov 18 — about 7.1 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan59Bracing
Feb58Bracing
Mar62Cool
Apr68Cool
May75Refreshing
Jun81Warm
Jul83Tropical
Aug83Tropical
Sep82Warm
Oct76Warm
Nov69Refreshing
Dec62Cool

UV index in Brunswick in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Brunswick peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7Very high
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Brunswick in January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.

Air quality in Brunswick is worst in March — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1720 µg/m³Nov 138 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar21Moderate
Apr16Moderate
May15Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep12Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Brunswick?

Brunswick sits at 31.2°N, 81.5°W, 10 ft above sea level, in United States. The nearest listed city is Kingsland, 27 mi away.

Topography around Brunswick

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Brunswick.

Within 2 miles, the terrain around Brunswick has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 10 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 151 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 272 ft.

The land around Brunswick is covered by wetland (32%) within 2 miles, trees (34%), wetland (30%) and water (25%) within 10 miles, and trees (57%) and water (29%) within 50 miles.

2 miles
69 ft
10 miles
151 ft
50 miles
272 ft
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Kingsland 27 mi · St. Marys 29 mi · Hinesville 48 mi · Jacksonville 57 mi · Jacksonville Beach 60 mi · Ponte Vedra Beach 63 mi · Wilmington Island 66 mi · Palm Valley 68 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Brunswick (31.1501°, -81.4915°, elevation 10 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).