Cullman weather in August

In August, Cullman sees average daytime highs of 88°F and overnight lows near 70°F, with 3.0 in of rain across 11.8 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 12th-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 33% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Cullman's 5th-clearest and 11th-windiest month. For the whole year in context, see Cullman's year-round climate.

Daytime high
88°
2nd warmest
Overnight low
70°
11th coldest
Rainfall
3.0 in
11.8 wet days
Daylight
13 h 18 min
5:13 AM – 6:30 PM
Cloud cover
57%
5th clearest
Wind
4 mph
11th windiest
Solar energy
5.61 kWh/m²
Travel score
4.3
out of 10

Cullman is city and county seat of Cullman County, Alabama, United States.

Density
288/km²
people per km²
Founded
1873

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 88°F through the month.

A typical August day in Cullman reaches about 88°F in the afternoon and slips back to 70°F overnight — a 18°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, August runs on par with July and about 5°F warmer than September.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18871
28871
38871
48871
58871
68871
78871
88871
98871
108871
118871
128871
138871
148870
158870
168870
178870
188870
198870
208870
218870
228870
238870
248870
258869
268769
278769
288769
298769
308769
318769

How August really feels in Cullman

Once humidity and wind are folded in, August averages 29 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
29
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.

Cullman weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan51° / 34°5.0100.6102.6
Feb56° / 37°4.810.40.610.73.6
Mar64° / 44°5.4110.211.75.6
Apr72° / 52°4.810.2012.86.7
May80° / 61°4.010.8013.86.5
Jun86° / 68°4.012.7014.24.7
Jul88° / 71°4.214.10144.0
Aug88° / 70°3.011.8013.34.3
Sep83° / 64°3.47.4012.26.2
Oct73° / 52°3.47.3011.17.4
Nov62° / 42°4.08.70.110.25.6
Dec54° / 37°5.110.60.39.83.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55149
65149
75149
85248
95149
105248
115248
125347
135347
145347
155446
165446
175446
185545
195644
205644
215644
225644
235644
245644
255644
265644
275644
285644
295743
305743
315743

Chance of precipitation in August

Any precipitation

Cullman gets around 3.0 in of rain over 11.8 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
244
344
444
544
643
743
843
942
1042
1142
1241
1341
1440
1539
1638
1737
1836
1935
2035
2135
2234
2334
2434
2534
2634
2733
2833
2932
3032
3131

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
103833551
203834541
303934531
403934531
503935521
6031035511
7131035501
8131135491
9131235481
10141334481
11141334471
12141433471
13141533461
14141632461
15151732451
16151732441
17151832431
18151933421
19151933411
20151934401
21151935391
22151936381
23151937371
24151938361
25161939351
26162040340
27162040320
28162141310
29172141290
30272241270
31282242260

Wind in August

Winds average 4 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
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 42 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 54 minutes over August. Sunrise moves from 5:02 AM to 5:24 AM, and sunset from 6:45 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:026:45
213.75:026:44
313.75:036:43
413.65:046:42
513.65:056:42
613.65:056:41
713.65:066:40
813.55:076:39
913.55:086:38
1013.55:086:37
1113.45:096:36
1213.45:106:35
1313.45:116:33
1413.35:116:32
1513.35:126:31
1613.35:136:30
1713.35:146:29
1813.25:146:28
1913.25:156:26
2013.25:166:25
2113.15:176:24
2213.15:176:23
2313.15:186:22
2413.05:196:20
2513.05:206:19
2613.05:206:18
2712.95:216:16
2812.95:226:15
2912.95:226:14
3012.85:236:12
3112.85:246:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.61 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 6.12 kWh/m² in June across the year — August's 5.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.4Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Cullman?

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

4.3
Sightseeing
8th-best month of the year
6.4
Beach & pool
3rd-best month of the year

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

What to pack for Cullman in August

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

In August, Cullman sees daytime highs around 88°F and nights near 70°F. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Cullman 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 Cullman peaks around July 12 at about 10 (extreme) — 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJul 12UV 10Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Cullman 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 Cullman is worst in July — around 19 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1719 µg/m³Jan 116 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar10Good
Apr10Good
May13Moderate
Jun16Moderate
Jul19Moderate
Aug16Moderate
Sep11Good
Oct8Good
Nov7Good
Dec6Good
Location & terrain

Where is Cullman?

Cullman sits at 34.2°N, 86.8°W, 794 ft above sea level, in United States. The nearest listed city is Decatur, 31 mi away.

Topography around Cullman

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

Within 2 miles, the terrain around Cullman has only modest variations in elevation — a maximum elevation change of 331 ft around an average of 787 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 679 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,499 ft.

The land around Cullman is covered by trees (54%) and grassland (24%) within 2 miles, trees (58%) and grassland (34%) within 10 miles, and trees (71%) within 50 miles.

2 miles
331 ft
10 miles
679 ft
50 miles
1,499 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Decatur 31 mi · Dixiana 32 mi · Madison 37 mi · Albertville 37 mi · Center Point 38 mi · Trussville 40 mi · Huntsville 41 mi · Athens 44 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 Cullman (34.1748°, -86.8436°, elevation 794 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).