Climate guideThirty-year normals for Caledon, Canada
Caledon climate by month
Warm-summer humid continental · DfbBest May · Aug–Sep
Annual mean7°day and night
Seasonal swing27°warmest vs coolest
Precipitation956 mm158 wet days a year
43.87° N, 79.99° WElevation 437 mUTC−4 · Eastern Daylight Time
When to goCaledon · weather score
Best timeMay · Aug–Sep
October: high / low13° / 3°
iSummary
What the weather is like
Caledon has a warm-summer humid continental climate (Köppen Dfb): warm summers, cold winters and precipitation in every season.
The warmest month is July, when afternoons average 26° and nights 13°. January is the coolest month, with highs of -3° and lows of -11°. The difference between the warmest and the coolest month is about 27°, a large swing typical of continental interiors.
About 956 mm of precipitation falls in an average year. December is the wettest month (70 mm, 16 wet days) and February the driest (65 mm, 10 wet days). Cloud cover ranges from 30% in July to 60% in December.
Compared with Ottawa, the capital, Caledon is 1° cooler on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 26° · July
- Coldest nights
- -11° · January
- Wettest month
- December
- Driest month
- February
- Clearest skies
- July · 30% cloud
- Longest day
- 15 h 27 min
- Shortest day
- 8 h 56 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | -3° | -1° | 4° | 11° | 19° | 24° | 26° | 25° | 21° | 13° | 6° | 0° |
| Average low | -11° | -10° | -6° | 0° | 6° | 11° | 13° | 12° | 9° | 3° | -2° | -7° |
| Precipitation | 68 mm | 65 mm | 64 mm | 76 mm | 90 mm | 85 mm | 92 mm | 92 mm | 86 mm | 78 mm | 90 mm | 70 mm |
| Wet days (≥1 mm) | 14.5 | 10.2 | 10.2 | 13 | 11.8 | 13.8 | 14.5 | 13.8 | 10.8 | 15.3 | 14.3 | 15.8 |
| Cloud cover | 59% | 50% | 46% | 44% | 41% | 35% | 30% | 32% | 37% | 43% | 53% | 60% |
| Daylight | 9h 16 | 10h 30 | 11h 53 | 13h 26 | 14h 44 | 15h 27 | 15h 09 | 14h 01 | 12h 32 | 11h 03 | 9h 40 | 8h 56 |
| Month score | 13 | 26 | 27 | 28 | 68 | 65 | 64 | 67 | 72 | 35 | 15 | 13 |
ivMonth by month
Caledon in every month
January13
-3° / -11°
68 mm · 14.5 wet days
February26
-1° / -10°
65 mm · 10.2 wet days
March27
4° / -6°
64 mm · 10.2 wet days
April28
11° / 0°
76 mm · 13 wet days
May68
19° / 6°
90 mm · 11.8 wet days
June65
24° / 11°
85 mm · 13.8 wet days
July64
26° / 13°
92 mm · 14.5 wet days
August67
25° / 12°
92 mm · 13.8 wet days
September72
21° / 9°
86 mm · 10.8 wet days
October35
13° / 3°
78 mm · 15.3 wet days
November15
6° / -2°
90 mm · 14.3 wet days
December13
0° / -7°
70 mm · 15.8 wet days