Broken Arrow weather in August

In August, Broken Arrow sees average daytime highs of 91°F and overnight lows near 72°F, with 2.8 in of rain across 6.9 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 53% 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 Broken Arrow's 2nd-clearest and 12th-windiest month. For the whole year in context, see Broken Arrow's year-round climate.

Daytime high
91°
2nd warmest
Overnight low
72°
11th coldest
Rainfall
2.8 in
6.9 wet days
Daylight
13 h 24 min
5:46 AM – 7:09 PM
Cloud cover
42%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
6.14 kWh/m²
Travel score
4.0
out of 10

Broken Arrow is city in Oklahoma, United States of America.

Density
662/km²
people per km²
Founded
1902

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 91°F through the month.

A typical August day in Broken Arrow reaches about 91°F in the afternoon and slips back to 72°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 99°F. Set against its neighbours, August runs on par with July and about 8°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19274
29274
39274
49274
59274
69274
79273
89273
99273
109273
119173
129173
139173
149173
159173
169172
179172
189172
199172
209172
219172
229172
239172
249172
259171
269071
279071
289071
299071
308971
318970

How August really feels in Broken Arrow

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.

Broken Arrow weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan48° / 31°2.16.31.69.82.0
Feb53° / 34°2.26.61.210.63.3
Mar62° / 43°3.89.80.711.75.4
Apr71° / 51°5.010.5012.96.5
May79° / 61°5.912.3013.96.3
Jun87° / 70°4.59.7014.44.8
Jul92° / 74°3.17.6014.23.7
Aug91° / 72°2.86.9013.44.0
Sep83° / 65°4.07.6012.26.2
Oct72° / 53°3.88.2011.17.3
Nov60° / 42°2.77.10.410.15.3
Dec50° / 33°2.56.51.29.62.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 29%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47129
57129
67129
77129
87129
97129
107129
117129
127129
137129
147129
157129
167129
177129
187129
197129
207129
217228
227228
237228
247228
257228
267228
277228
287228
297228
307129
317129

Chance of precipitation in August

Any precipitation

Broken Arrow gets around 2.8 in of rain over 6.9 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 23% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
123
223
323
423
523
623
723
823
923
1023
1123
1223
1323
1423
1523
1623
1723
1822
1922
2022
2122
2222
2322
2422
2522
2622
2722
2823
2923
3024
3124

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1041537432
2041437432
3041437432
4041437432
5041437432
6141437431
7141437421
8141437421
9151537421
10151537411
11161537411
12161536401
13171536401
14171537391
15171537381
16181637371
17181638361
18281639351
19281640340
20281640340
21281641330
22281642320
23281742310
24281743300
25271843290
26271843290
27371943280
28371943270
29372043260
30482042250
31582141250

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:34 AM to 5:58 AM, and sunset from 7:25 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:347:25
213.85:357:24
313.85:357:23
413.85:367:22
513.75:377:21
613.75:387:20
713.75:397:19
813.65:397:18
913.65:407:17
1013.65:417:16
1113.55:427:15
1213.55:437:13
1313.55:437:12
1413.45:447:11
1513.45:457:10
1613.45:467:09
1713.35:477:07
1813.35:487:06
1913.35:487:05
2013.25:497:04
2113.25:507:02
2213.25:517:01
2313.15:527:00
2413.15:526:58
2513.15:536:57
2613.05:546:56
2713.05:556:54
2813.05:566:53
2912.95:566:51
3012.95:576:50
3112.85:586:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.14 kWh/m².

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 6.73 kWh/m² in July across the year — August's 6.14 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.4Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.0Intense
196.0Intense
206.0Intense
216.0Bright
226.0Bright
235.9Bright
245.9Bright
255.9Bright
265.8Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in August

Is August a good time to visit Broken Arrow?

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

4.0
Sightseeing
8th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Broken Arrow in August

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

In August, Broken Arrow sees daytime highs around 91°F and nights near 72°F. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Broken Arrow 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 Broken Arrow peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 10Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Broken Arrow 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 Broken Arrow is worst in July — around 17 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1716 µg/m³Nov 165 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar13Moderate
Apr13Moderate
May12Good
Jun14Moderate
Jul17Moderate
Aug14Moderate
Sep10Good
Oct6Good
Nov5Good
Dec6Good
Location & terrain

Where is Broken Arrow?

Broken Arrow sits at 36.1°N, 95.8°W, 755 ft above sea level, in United States. The nearest listed city is Bixby, 9.3 mi away.

Topography around Broken Arrow

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

Within 2 miles, the terrain around Broken Arrow has only modest variations in elevation — a maximum elevation change of 213 ft around an average of 732 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 390 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 814 ft.

The land around Broken Arrow is covered by artificial surfaces (42%), trees (29%) and grassland (25%) within 2 miles, trees (37%), grassland (33%) and artificial surfaces (21%) within 10 miles, and trees (46%) and grassland (45%) within 50 miles.

2 miles
213 ft
10 miles
390 ft
50 miles
814 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Bixby 9.3 mi · Jenks 9.9 mi · Tulsa 13 mi · Owasso 16 mi · Sapulpa 19 mi · Sand Springs 19 mi · Claremore 21 mi · Muskogee 32 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 Broken Arrow (36.0526°, -95.7908°, elevation 755 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).