Bartow weather in August

In August, Bartow sees average daytime highs of 90°F and overnight lows near 76°F, with 6.6 in of rain across 23.5 wet days and about 13 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 90°F through the month. The sky is clear or mostly clear about 16% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 18 min at the start of August to 12 h 36 min by month's end. Set against the rest of the year, August is Bartow's 12th-clearest and 11th-windiest month. For the whole year in context, see Bartow's year-round climate.

Daytime high
90°
1st warmest
Overnight low
76°
12th coldest
Rainfall
6.6 in
23.5 wet days
Daylight
13 hours
6:01 AM – 7:01 PM
Cloud cover
70%
12th clearest
Wind
5 mph
11th windiest
Solar energy
5.47 kWh/m²
Travel score
2.7
out of 10

Bartow is county seat of Polk County, Florida, United States.

Density
140/km²
people per km²
Founded
1851

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 90°F through the month.

A typical August day in Bartow reaches about 90°F in the afternoon and slips back to 76°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 86°F and 93°F. Set against its neighbours, August runs on par with July and about 2°F warmer than September.

70°80°90°151015202531
Avg high (°F)Avg low (°F)
19076
29076
39076
49076
59076
69076
79076
89076
99076
109076
119076
129076
139076
149076
159076
169076
179076
189076
199076
209076
219076
229076
239075
249075
258975
268975
278975
288975
298975
308975
318975

How August really feels in Bartow

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.

Bartow weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan71° / 51°2.25.610.47.4
Feb74° / 54°1.96.1117.6
Mar78° / 58°2.35.911.87.5
Apr83° / 63°2.16.312.66.5
May88° / 69°2.88.513.44.8
Jun89° / 74°6.419.813.73.1
Jul90° / 75°6.623.113.62.8
Aug90° / 76°6.623.5132.7
Sep88° / 74°5.41812.23.6
Oct84° / 68°2.38.911.35.9
Nov78° / 60°1.44.610.67.8
Dec73° / 55°1.75.110.37.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63367
73466
83466
93565
103664
113664
123763
133763
143763
153862
163862
173862
183763
193763
203763
213664
223664
233664
243565
253664
263565
273565
283565
293565
303565
313466

Chance of precipitation in August

Any precipitation

Bartow gets around 6.6 in of rain over 23.5 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 75% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
176
276
376
476
576
676
776
876
976
1076
1176
1276
1376
1476
1576
1676
1777
1877
1977
2076
2176
2276
2375
2475
2574
2674
2773
2873
2972
3072
3171

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 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
138314
238215
338116
438116
538017
647818
747818
847719
947719
1047620
1147620
1247521
1347521
1447521
1547521
1647422
1747422
1847422
1947521
2047521
2147521
2247521
2347422
2447521
2547521
2657421
2757421
2857421
2957520
3057520
3167519

Wind in August

Winds average 5 mph in August.

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
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 18 min at the start of August to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over August. Sunrise moves from 5:53 AM to 6:09 AM, and sunset from 7:14 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:537:14
213.35:547:13
313.35:547:12
413.35:557:12
513.35:557:11
613.25:567:10
713.25:577:09
813.25:577:08
913.25:587:08
1013.15:587:07
1113.15:597:06
1213.15:597:05
1313.16:007:04
1413.06:007:03
1513.06:017:02
1613.06:017:01
1713.06:027:01
1813.06:037:00
1912.96:036:59
2012.96:046:58
2112.96:046:57
2212.86:056:56
2312.86:056:54
2412.86:066:53
2512.86:066:52
2612.76:076:51
2712.76:076:50
2812.76:086:49
2912.76:086:48
3012.66:096:47
3112.66:096:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.47 kWh/m².

For context, solar energy here swings from a low near 3.11 kWh/m² to a high of 6.36 kWh/m² in May across the year — August's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Hazard calendar for Bartow

In seasonPeak

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

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

Bartow's rainy season runs June–September, when most of the year's rain falls.

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

Is August a good time to visit Bartow?

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

2.7
Sightseeing
12th-best month of the year
4.4
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Bartow.

What to pack for Bartow in August

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

In August, Bartow sees daytime highs around 90°F and nights near 76°F. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Bartow in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Bartow peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 12UV 11Dec 19UV 4
UV index (midday)Level
Jan5Moderate
Feb7High
Mar9Very high
Apr9Very high
May10Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct7Very high
Nov5High
Dec4Moderate

Air quality in Bartow 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 Bartow is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1719 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar13Moderate
Apr11Good
May12Good
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep13Moderate
Oct9Good
Nov9Good
Dec9Good
Location & terrain

Where is Bartow?

Bartow sits at 27.9°N, 81.8°W, 121 ft above sea level, in United States. The nearest listed city is Eloise, 9.3 mi away.

Topography around Bartow

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

Within 2 miles, the terrain around Bartow has only modest variations in elevation — a maximum elevation change of 112 ft around an average of 125 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 302 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 374 ft.

The land around Bartow is covered by trees (58%) and grassland (20%) within 2 miles, trees (49%) and grassland (34%) within 10 miles, and trees (52%) and grassland (31%) within 50 miles.

2 miles
112 ft
10 miles
302 ft
50 miles
374 ft
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Eloise 9.3 mi · Winter Haven 11 mi · Lakeland 12 mi · Auburndale 12 mi · Lake Wales 16 mi · Plant City 19 mi · Haines City 21 mi · Valrico 24 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 Bartow (27.8964°, -81.8431°, elevation 121 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). 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).