Gastonia weather in August

In August, Gastonia sees average daytime highs of 87°F and overnight lows near 70°F, with 4.0 in of rain across 12.5 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 3rd-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 28% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Gastonia's 10th-clearest and 12th-windiest month. For the whole year in context, see Gastonia's year-round climate.

Daytime high
87°
2nd warmest
Overnight low
70°
11th coldest
Rainfall
4.0 in
12.5 wet days
Daylight
13 h 18 min
5:49 AM – 7:09 PM
Cloud cover
59%
10th clearest
Wind
4 mph
12th windiest
Solar energy
5.4 kWh/m²
Travel score
4.6
out of 10

Gastonia is city in North Carolina, United States.

Density
555/km²
people per km²
Founded
1877

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 Gastonia reaches about 87°F in the afternoon and slips back to 70°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 93°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18871
28871
38871
48771
58771
68771
78771
88771
98771
108770
118770
128770
138770
148770
158770
168770
178770
188770
198770
208670
218670
228669
238669
248669
258669
268669
278669
288669
298568
308568
318568

How August really feels in Gastonia

Once humidity and wind are folded in, August averages 19 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
19
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.

Gastonia weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan51° / 33°3.99.71.29.92.6
Feb55° / 36°3.58.5110.73.5
Mar62° / 42°4.5100.411.75.5
Apr71° / 51°3.88.9012.96.8
May79° / 60°3.110.9013.86.5
Jun86° / 67°4.012.9014.34.7
Jul89° / 71°4.115.1014.13.8
Aug87° / 70°4.012.5013.34.6
Sep81° / 64°3.89.1012.26.4
Oct71° / 52°3.46.8011.17.3
Nov61° / 41°3.57.80.110.15.5
Dec53° / 36°4.09.10.69.73.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64951
74852
84852
94951
104951
114951
124951
134951
144951
154951
165050
175149
185149
195149
205248
215248
225248
235347
245347
255248
265248
275347
285347
295347
305347
315347

Chance of precipitation in August

Any precipitation

Gastonia gets around 4.0 in of rain over 12.5 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
347
446
546
646
746
846
946
1045
1145
1245
1344
1444
1543
1642
1741
1840
1939
2038
2138
2237
2336
2435
2535
2634
2734
2833
2933
3032
3132

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
125133941
225134041
325133941
425133940
526143940
626143940
726143840
826143840
926143840
1016153840
1116153840
1216153840
1316153939
1416153939
1516153938
1616164037
1716164136
1816174134
1916174233
2016174332
2116184431
2216184529
2326184528
2427184627
2527194626
2628194625
2738194525
2839204524
29310204423
30311214322
31412214221

Wind in August

Winds average 4 mph in August, the calmest month.

Across August, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:37 AM to 6:00 AM, and sunset from 7:25 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:377:25
213.85:387:24
313.75:387:23
413.75:397:22
513.75:407:21
613.75:417:20
713.65:427:19
813.65:427:18
913.65:437:17
1013.55:447:16
1113.55:457:15
1213.55:467:14
1313.45:467:13
1413.45:477:11
1513.45:487:10
1613.35:497:09
1713.35:497:08
1813.35:507:07
1913.25:517:05
2013.25:527:04
2113.25:537:03
2213.15:537:02
2313.15:547:00
2413.15:556:59
2513.05:566:58
2613.05:566:56
2713.05:576:55
2812.95:586:53
2912.95:596:52
3012.96:006:51
3112.86:006:49

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.4 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 6.21 kWh/m² in June across the year — August's 5.4 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in August

Is August a good time to visit Gastonia?

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

4.6
Sightseeing
8th-best month of the year
6.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Gastonia for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Gastonia in August

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

In August, Gastonia sees daytime highs around 87°F and nights near 70°F. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Gastonia in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gastonia peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 11UV 9Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

Air quality in Gastonia 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 Gastonia is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1718 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar12Moderate
Apr12Good
May14Moderate
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Gastonia?

Gastonia sits at 35.3°N, 81.2°W, 804 ft above sea level, in United States. The nearest listed city is Charlotte, 19 mi away.

Topography around Gastonia

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

Within 2 miles, the terrain around Gastonia has only modest variations in elevation — a maximum elevation change of 220 ft around an average of 791 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,056 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,723 ft.

The land around Gastonia is covered by trees (63%) and artificial surfaces (20%) within 2 miles, trees (74%) within 10 miles, and trees (75%) within 50 miles.

2 miles
220 ft
10 miles
1,056 ft
50 miles
2,723 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Charlotte 19 mi · Shelby 20 mi · Huntersville 22 mi · Cornelius 24 mi · Rock Hill 25 mi · Matthews 28 mi · Stallings 30 mi · Mooresville 31 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 Gastonia (35.2621°, -81.1873°, elevation 804 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. 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).