Huntsville weather in August

In August, Huntsville sees average daytime highs of 22°C and overnight lows near 14°C, with 102 mm of rain across 12 wet days and about 13.9 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 28% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 36 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Huntsville's 2nd-clearest and 12th-windiest month. For the whole year in context, see Huntsville's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
102 mm
12 wet days
Daylight
13 h 54 min
5:23 AM – 7:19 PM
Cloud cover
59%
2nd clearest
Wind
10 km/h
12th windiest
Solar energy
5.02 kWh/m²
Travel score
6.4
out of 10

Huntsville is town in Ontario, Canada.

Density
28/km²
people per km²
Founded
1869

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 21°C by the end.

A typical August day in Huntsville reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52315
62315
72315
82315
92315
102315
112315
122314
132314
142314
152314
162214
172214
182214
192214
202214
212214
222214
232214
242214
252214
262213
272213
282213
292113
302113
312113

How August really feels in Huntsville

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Huntsville weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -13°781313.38.90.0
Feb-4° / -13°559.710.110.10.0
Mar / -7°68107.611.60.0
Apr / -0°8611.54.313.21.5
May15° / 8811.20.314.64.6
Jun20° / 11°9311.5015.46.1
Jul23° / 15°9611.9015.16.5
Aug22° / 14°10212013.96.4
Sep18° / 10°9911012.35.7
Oct11° / 10413.6110.72.6
Nov / -2°9413.87.59.30.2
Dec-2° / -8°8115.213.48.60.0

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 20% of August, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
44951
54852
64852
74852
84753
94753
104753
114753
124852
134753
144654
154654
164753
174753
184654
194753
204753
214654
224654
234753
244753
254753
264852
274951
284852
294951
304951
314951

Chance of precipitation in August

Any precipitation

Huntsville gets around 102 mm of rain over 12 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
440
540
640
740
840
939
1039
1139
1239
1339
1439
1539
1639
1739
1839
1938
2038
2138
2238
2337
2437
2537
2636
2736
2836
2936
3036
3136

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
124353291
2243432101
3243431101
4243431101
5243431101
6253431101
7253431100
8263330100
9273330100
10273230100
11283230100
12293230100
1329322990
1430322990
1530322990
1631322990
1731322890
1832322880
1932322880
2033322780
2134312780
2235312680
2335312680
2436312580
2537312570
2638312470
2739302470
2840302370
2941292270
3042292280
3144282170

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 36 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over August. Sunrise moves from 5:05 AM to 5:42 AM, and sunset from 7:41 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.65:057:41
214.65:067:39
314.55:077:38
414.55:097:37
514.45:107:35
614.45:117:34
714.35:127:33
814.35:137:31
914.35:157:30
1014.25:167:28
1114.25:177:27
1214.15:187:25
1314.15:197:24
1414.05:217:22
1514.05:227:20
1613.95:237:19
1713.95:247:17
1813.85:267:15
1913.85:277:14
2013.75:287:12
2113.75:297:10
2213.65:317:09
2313.65:327:07
2413.55:337:05
2513.55:347:03
2613.45:367:01
2713.45:376:59
2813.35:386:58
2913.35:396:56
3013.25:416:54
3113.25:426:52

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.02 kWh/m².

For context, solar energy here swings from a low near 1.19 kWh/m² to a high of 6.04 kWh/m² in June across the year — August's 5.02 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.5Bright
314.5Bright
Planning a trip in August

Is August a good time to visit Huntsville?

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

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

August is a reasonable time to visit Huntsville for sightseeing.

What to pack for Huntsville in August

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

In August, Huntsville sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Huntsville in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Huntsville peaks around June 22 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5Moderate
May7High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Huntsville?

Huntsville sits at 45.3°N, 79.2°W, 302 m above sea level, in Canada. The nearest listed city is Bracebridge, 34 km away.

Topography around Huntsville

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Huntsville.

Within 3 km, the terrain around Huntsville has only modest variations in elevation — a maximum elevation change of 115 m around an average of 311 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 175 m; within 80 km, significant variations in elevation — a maximum elevation change of 394 m.

The land around Huntsville is covered by trees (62%) within 3 km, trees (84%) within 16 km, and trees (84%) within 80 km.

3 km
115 m
16 km
175 m
80 km
394 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Bracebridge 34 km · Orillia 82 km · Midland 83 km · Barrie 110 km · Wasaga Beach 111 km · North Bay 111 km · Lindsay 116 km · Innisfil 120 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 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 Huntsville (45.3334°, -79.2163°, elevation 302 m), 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).