Petawawa weather in August

In August, Petawawa sees average daytime highs of 23°C and overnight lows near 14°C, with 91 mm of rain across 10.5 wet days and about 14 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 25% of the time in August, and the air most often feels dry.

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 Petawawa's 2nd-clearest and 12th-windiest month. For the whole year in context, see Petawawa's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
91 mm
10.5 wet days
Daylight
14 hours
5:14 AM – 7:12 PM
Cloud cover
61%
2nd clearest
Wind
9 km/h
12th windiest
Solar energy
4.94 kWh/m²
Travel score
6.8
out of 10

Petawawa is town in Ontario, Canada.

Air quality
Excellent
PM2.5 4 µg/m³ · 2019
Founded
1997

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 24°C in the first days to 22°C by the end.

A typical August day in Petawawa reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, August runs about 1°C cooler than July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22415
32415
42415
52415
62415
72415
82415
92415
102415
112415
122415
132415
142415
152414
162314
172314
182314
192314
202314
212314
222314
232314
242314
252314
262213
272213
282213
292213
302213
312213

How August really feels in Petawawa

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.

Petawawa 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-7° / -15°6410.210.58.90.0
Feb-5° / -14°4988.1100.0
Mar / -8°629.86.811.60.0
Apr / -0°8410.33.213.31.7
May17° / 8411.30.314.75.0
Jun22° / 13°8911.6015.56.3
Jul25° / 15°8411.5015.26.7
Aug23° / 14°9110.50146.8
Sep19° / 10°9110.3012.35.8
Oct11° / 9212.60.810.72.7
Nov / -3°8111.75.89.30.2
Dec-3° / -10°7011.39.68.50.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24753
34753
44654
54654
64555
74555
84555
94456
104456
114357
124357
134357
144357
154357
164456
174456
184456
194555
204555
214456
224456
234555
244555
254555
264654
274654
284753
294654
304654
314654

Chance of precipitation in August

Any precipitation

Petawawa gets around 91 mm of rain over 10.5 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
233
333
433
533
634
734
834
934
1034
1134
1234
1335
1435
1535
1635
1735
1835
1934
2034
2134
2233
2333
2433
2532
2632
2732
2831
2931
3031
3131

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 35% 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 (%)
1253232111
2253132111
3263131111
4263131111
5273131110
6273130110
7283130110
8293130110
9293129110
10303129100
11313028100
12323028100
13323128100
1433312790
1533312790
1634312790
1734312690
1835312680
1936312580
2036302580
2137302480
2238302480
2339302380
2440292380
2541292280
2642282280
2743282180
2845272080
2946261980
3048261980
3149251880

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
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 4:56 AM to 5:33 AM, and sunset from 7:35 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:567:35
214.64:577:33
314.64:587:32
414.54:597:31
514.55:017:29
614.45:027:28
714.45:037:26
814.35:047:25
914.35:057:23
1014.35:077:22
1114.25:087:20
1214.25:097:19
1314.15:107:17
1414.15:127:16
1514.05:137:14
1614.05:147:12
1713.95:157:11
1813.95:177:09
1913.85:187:07
2013.85:197:05
2113.75:217:04
2213.75:227:02
2313.65:237:00
2413.65:246:58
2513.55:266:56
2613.55:276:54
2713.45:286:53
2813.45:306:51
2913.35:316:49
3013.25:326:47
3113.25:336:45

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.94 kWh/m².

For context, solar energy here swings from a low near 1.18 kWh/m² to a high of 5.93 kWh/m² in June across the year — August's 4.94 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
314.4Bright
Planning a trip in August

Is August a good time to visit Petawawa?

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

6.8
Sightseeing
1st-best month of the year
5.4
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Petawawa for sightseeing.

What to pack for Petawawa in August

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

In August, Petawawa sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Petawawa in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Petawawa peaks around July 13 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 highHighModerateLowJul 13UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul8Very high
Aug5High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Petawawa?

Petawawa sits at 45.9°N, 77.3°W, 143 m above sea level, in Canada. The nearest listed city is Kanata, 125 km away.

Topography around Petawawa

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

Within 3 km, the terrain around Petawawa has only modest variations in elevation — a maximum elevation change of 69 m around an average of 147 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 321 m; within 80 km, significant variations in elevation — a maximum elevation change of 498 m.

The land around Petawawa is covered by trees (52%) within 3 km, trees (70%) within 16 km, and trees (86%) within 80 km.

3 km
69 m
16 km
321 m
80 km
498 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Kanata 125 km · Aylmer 127 km · Stittsville 128 km · Bridlewood 130 km · Gatineau 131 km · Hull 133 km · Centretown 134 km · Ottawa 134 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 Petawawa (45.8945°, -77.2801°, elevation 143 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).