Petawawa weather in May

In May, Petawawa sees average daytime highs of 17°C and overnight lows near 7°C, with 84 mm of precipitation across 11.3 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 19°C by the end. The sky is clear or mostly clear about 21% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is Petawawa's 5th-clearest and 8th-windiest month. For the whole year in context, see Petawawa's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
84 mm
11.3 wet days
Daylight
14 h 42 min
4:43 AM – 7:27 PM
Cloud cover
67%
5th clearest
Wind
11 km/h
8th windiest
Solar energy
5.55 kWh/m²
Travel score
5.0
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 19°C by the end.

A typical May day in Petawawa reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 24°C. Set against its neighbours, May runs about 8°C warmer than April and about 5°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1134
2144
3144
4144
5144
6155
7155
8155
9155
10166
11166
12166
13166
14166
15177
16177
17177
18177
19178
20188
21188
22188
23188
24189
25199
26199
27199
281910
291910
301910
312010

How May really feels in Petawawa

Once humidity and wind are folded in, May 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

May 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 May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43763
53664
63664
73664
83664
93763
103763
113763
123763
133763
143763
153664
163565
173565
183664
193664
203664
213664
223664
233664
243565
253565
263466
273466
283466
293466
303466
313466

Chance of precipitation in May

Any precipitationSnow

Petawawa gets around 84 mm of rain and snow over 11.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 41% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1353
2353
3353
4353
5342
6342
7342
8342
9342
10342
11341
12341
13331
14331
15341
16341
17340
18350
19350
20360
21370
22370
23370
24380
25380
26390
27390
28400
29400
30410
31410

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
199100
299100
399100
498200
598200
698200
798200
898200
998200
1098200
1196310
1296310
1396310
1496310
1596310
1695410
1795410
1893520
1993520
2092620
2191630
2290730
2388840
2487940
2585951
26841051
27821161
28821161
29811261
30801271
31791371

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 5:04 AM to 4:30 AM, and sunset from 7:08 PM to 7:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:047:08
214.15:037:10
314.25:017:11
414.25:007:12
514.34:587:13
614.34:577:15
714.34:557:16
814.44:547:17
914.44:537:19
1014.54:517:20
1114.54:507:21
1214.64:487:22
1314.64:477:24
1414.64:467:25
1514.74:457:26
1614.74:437:27
1714.84:427:28
1814.84:417:30
1914.84:407:31
2014.94:397:32
2114.94:387:33
2215.04:377:34
2315.04:367:35
2415.04:357:36
2515.14:347:37
2615.14:337:39
2715.14:327:40
2815.14:327:41
2915.24:317:42
3015.24:307:43
3115.24:307:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.55 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 — May's 5.55 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit Petawawa?

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

5.0
Sightseeing
5th-best month of the year
1.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Petawawa for sightseeing.

What to pack for Petawawa in May

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

In May, Petawawa sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Petawawa in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 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
May 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).