Brunswick weather in August

In August, Brunswick sees average daytime highs of 87°F and overnight lows near 76°F, with 5.8 in of rain across 20.5 wet days and about 13.1 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 87°F through the month. The sky is clear or mostly clear about 23% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 30 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Brunswick's 12th-clearest and 11th-windiest month. For the whole year in context, see Brunswick's year-round climate.

Daytime high
87°
2nd warmest
Overnight low
76°
11th coldest
Rainfall
5.8 in
20.5 wet days
Daylight
13 h 06 min
5:56 AM – 7:04 PM
Cloud cover
62%
12th clearest
Wind
7 mph
11th windiest
Solar energy
5.48 kWh/m²
Travel score
3.6
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 87°F through the month.

A typical August day in Brunswick reaches about 87°F in the afternoon and slips back to 76°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 91°F. Set against its neighbours, August runs on par with July and about 4°F warmer than September.

70°80°90°151015202531
Avg high (°F)Avg low (°F)
18876
28876
38876
48876
58876
68876
78876
88876
98776
108776
118776
128776
138776
148776
158776
168776
178776
188776
198776
208776
218776
228776
238776
248776
258676
268676
278675
288675
298675
308675
318675

How August really feels in Brunswick

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Brunswick weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54357
64357
74357
84357
94357
104456
114456
124456
134555
144555
154654
164654
174753
184753
194753
204753
214753
224753
234654
244753
254753
264753
274753
284852
294753
304753
314753

Chance of precipitation in August

Any precipitation

Brunswick gets around 5.8 in of rain over 20.5 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
366
467
567
667
767
868
968
1068
1167
1267
1367
1467
1567
1667
1767
1867
1966
2066
2166
2265
2365
2464
2564
2664
2763
2863
2963
3062
3162

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10036730
20136531
30146431
40146332
50146332
60146233
70146134
80146134
90146035
100146035
110136135
120136135
130136135
140136135
150136135
160146134
170146134
180146233
190146332
200156331
210156331
220166330
230166429
240176428
250176527
260186526
270196525
2802106523
2902116522
3012116521
3112126520

Wind in August

Winds average 7 mph in August.

Across August, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 30 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over August. Sunrise moves from 5:46 AM to 6:05 AM, and sunset from 7:18 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:467:18
213.55:477:17
313.55:477:16
413.55:487:16
513.45:497:15
613.45:497:14
713.45:507:13
813.45:517:12
913.35:517:11
1013.35:527:10
1113.35:537:09
1213.35:537:08
1313.25:547:07
1413.25:547:06
1513.25:557:05
1613.15:567:04
1713.15:567:03
1813.15:577:02
1913.15:587:01
2013.05:587:00
2113.05:596:59
2213.06:006:58
2312.96:006:57
2412.96:016:55
2512.96:016:54
2612.96:026:53
2712.86:036:52
2812.86:036:51
2912.86:046:49
3012.76:046:48
3112.76:056:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.48 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 — August's 5.48 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.1Bright
315.1Bright
Planning a trip in August

Hazard calendar for Brunswick

In seasonPeak

In August, Brunswick sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

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 August a good time to visit Brunswick?

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

3.6
Sightseeing
11th-best month of the year
5.2
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Brunswick.

What to pack for Brunswick in August

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

In August, Brunswick sees daytime highs around 87°F and nights near 76°F. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Brunswick in August

The nearest coast averages about 83°F in August — 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 August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).