Climate guideThirty-year normals for Windsor
Windsor climate by month
Hot-summer humid continental · DfaBest May–Jun · Sep
Annual mean10°day and night
Seasonal swing27°warmest vs coolest
Precipitation952 mm165 wet days a year
42.30° N, 83.02° WElevation 190 mUTC−4 · Eastern Daylight Time
When to goWindsor · weather score
Best timeMay–Jun · Sep
October: high / low16° / 6°
iSummary
What the weather is like
Windsor has a hot-summer humid continental climate (Köppen Dfa): warm summers, cold winters and precipitation in every season.
The warmest month is July, when afternoons average 29° and nights 17°. January is the coolest month, with highs of 0° and lows of -8°. The difference between the warmest and the coolest month is about 27°, a large swing typical of continental interiors.
About 952 mm of precipitation falls in an average year. July is the wettest month (93 mm, 17 wet days) and February the driest (60 mm, 11 wet days). Cloud cover ranges from 28% in July to 53% in December.
Compared with Ottawa, the capital, Windsor is 1.7° warmer on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 29° · July
- Coldest nights
- -8° · January
- Wettest month
- July
- Driest month
- February
- Clearest skies
- July · 28% cloud
- Longest day
- 15 h 15 min
- Shortest day
- 9 h 06 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 | 0° | 2° | 7° | 14° | 21° | 26° | 29° | 27° | 24° | 16° | 9° | 3° |
| Average low | -8° | -7° | -3° | 3° | 9° | 15° | 17° | 17° | 12° | 6° | 1° | -4° |
| Precipitation | 59 mm | 60 mm | 66 mm | 84 mm | 93 mm | 93 mm | 93 mm | 81 mm | 95 mm | 77 mm | 78 mm | 73 mm |
| Wet days (≥1 mm) | 11.8 | 10.7 | 12.2 | 13.9 | 17.2 | 16 | 17.4 | 15.3 | 12.8 | 14 | 11.7 | 12.3 |
| Cloud cover | 52% | 49% | 45% | 42% | 39% | 32% | 28% | 29% | 31% | 37% | 47% | 53% |
| Daylight | 9h 26 | 10h 35 | 11h 54 | 13h 22 | 14h 35 | 15h 15 | 14h 59 | 13h 55 | 12h 31 | 11h 06 | 9h 48 | 9h 06 |
| Month score | 21 | 25 | 23 | 42 | 63 | 62 | 52 | 57 | 69 | 56 | 23 | 19 |
ivMonth by month
Windsor in every month
January21
0° / -8°
59 mm · 11.8 wet days
February25
2° / -7°
60 mm · 10.7 wet days
March23
7° / -3°
66 mm · 12.2 wet days
April42
14° / 3°
84 mm · 13.9 wet days
May63
21° / 9°
93 mm · 17.2 wet days
June62
26° / 15°
93 mm · 16 wet days
July52
29° / 17°
93 mm · 17.4 wet days
August57
27° / 17°
81 mm · 15.3 wet days
September69
24° / 12°
95 mm · 12.8 wet days
October56
16° / 6°
77 mm · 14 wet days
November23
9° / 1°
78 mm · 11.7 wet days
December19
3° / -4°
73 mm · 12.3 wet days