Smyrna weather in July

In July, Smyrna sees average daytime highs of 88°F and overnight lows near 71°F, with 4.2 in of rain across 14.5 wet days and about 14 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 88°F through the month. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 12 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Smyrna's 11th-clearest and 11th-windiest month. For the whole year in context, see Smyrna's year-round climate.

Daytime high
88°
1st warmest
Overnight low
71°
12th coldest
Rainfall
4.2 in
14.5 wet days
Daylight
14 h 06 min
5:42 AM – 7:45 PM
Cloud cover
60%
11th clearest
Wind
5 mph
11th windiest
Solar energy
5.91 kWh/m²
Travel score
4.1
out of 10

Smyrna is city in Cobb County, Georgia, United States.

Density
1,386/km²
people per km²
Founded
1832

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 88°F through the month.

A typical July day in Smyrna reaches about 88°F in the afternoon and slips back to 71°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 94°F. Set against its neighbours, July runs about 3°F warmer than June and on par with August.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18770
28770
38770
48770
58771
68771
78771
88771
98771
108771
118871
128871
138871
148871
158871
168871
178871
188871
198871
208871
218871
228871
238871
248871
258871
268871
278871
288871
298871
308871
318871

How July really feels in Smyrna

Once humidity and wind are folded in, July 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Smyrna weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan52° / 34°4.510.40.7102.7
Feb56° / 37°4.5100.510.73.7
Mar64° / 44°4.710.30.111.75.6
Apr72° / 51°4.09.6012.86.7
May79° / 60°3.410.2013.76.6
Jun85° / 68°4.013.6014.24.8
Jul88° / 71°4.214.50144.1
Aug87° / 70°3.912.6013.34.5
Sep82° / 64°3.68.6012.26.4
Oct72° / 53°3.37.1011.17.3
Nov62° / 42°3.98.2010.25.7
Dec54° / 37°4.510.20.39.83.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34852
44852
54852
64852
74852
84951
94852
104852
114951
124951
134951
145050
155050
165050
174951
185050
195050
205050
215050
224951
234951
244951
254951
264951
274951
284852
294852
304852
314753

Chance of precipitation in July

Any precipitation

Smyrna gets around 4.2 in of rain over 14.5 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 46% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
151
251
351
450
550
650
749
848
948
1048
1147
1247
1346
1446
1546
1646
1745
1845
1945
2045
2145
2244
2344
2444
2544
2644
2744
2844
2944
3044
3144

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
126124634
216124636
315114537
415114538
515104539
614104440
714104441
814104442
914104342
1013104343
1113104244
1213104245
1303104145
1403104046
1503104047
1603103948
1703103848
1803103848
1903103749
2003103749
2103103749
2203103750
2303103750
2403103750
2503103749
2603103749
2703103849
2803103848
2903103948
3003103947
3103104047

Wind in July

Winds average 5 mph in July.

Across July, 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 12 min at the start of July to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:35 AM to 5:52 AM, and sunset from 7:48 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:357:48
214.25:357:48
314.25:357:48
414.25:367:48
514.25:367:48
614.25:377:48
714.25:377:48
814.25:387:48
914.25:387:47
1014.15:397:47
1114.15:397:47
1214.15:407:47
1314.15:407:46
1414.15:417:46
1514.15:427:46
1614.15:427:45
1714.05:437:45
1814.05:437:44
1914.05:447:44
2014.05:457:43
2114.05:457:43
2213.95:467:42
2313.95:477:42
2413.95:477:41
2513.95:487:40
2613.85:497:40
2713.85:497:39
2813.85:507:38
2913.85:517:38
3013.85:527:37
3113.75:527:36

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.91 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 6.04 kWh/m² in May across the year — July's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in July

Is July a good time to visit Smyrna?

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

4.1
Sightseeing
9th-best month of the year
6.0
Beach & pool
5th-best month of the year

July is a reasonable time to visit Smyrna for sightseeing.

What to pack for Smyrna in July

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

In July, Smyrna sees daytime highs around 88°F and nights near 71°F. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Smyrna in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Smyrna peaks around July 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 10UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Smyrna in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Smyrna is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1620 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr12Good
May14Moderate
Jun17Moderate
Jul21Moderate
Aug17Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Smyrna?

Smyrna sits at 33.9°N, 84.5°W, 1,060 ft above sea level, in United States. The nearest listed city is Marietta, 5.0 mi away.

Topography around Smyrna

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

Within 2 miles, the terrain around Smyrna has only modest variations in elevation — a maximum elevation change of 213 ft around an average of 1,024 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,073 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,789 ft.

The land around Smyrna is covered by trees (62%) and artificial surfaces (29%) within 2 miles, trees (70%) and artificial surfaces (23%) within 10 miles, and trees (81%) within 50 miles.

2 miles
213 ft
10 miles
1,073 ft
50 miles
2,789 ft
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Marietta 5.0 mi · Mableton 6.2 mi · Sandy Springs 8.1 mi · Brookhaven 9.9 mi · Lithia Springs 11 mi · Dunwoody 11 mi · Kennesaw 11 mi · Atlanta 12 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 Smyrna (33.884°, -84.5144°, elevation 1,060 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).