COWICHAN REGION
Weather
Seasonal and Annual Climate Normals in the Cowichan Valley
by Chris Carss, Environment Canada Climate Station, Chemainus, BC
| Season | Community | Mean Daily Max Temp |
Mean Daily Min Temp |
Mean Monthy Precip |
Monthly Sunshine Victoria |
|---|---|---|---|---|---|
| SPRING April-May |
Chemainus CowichanBay Cowichan Lake Duncan Shawnigan Lake |
16°C/61°F 15°C/59°F 15°C/59°F 16°C/61°F 15°C/59°F |
7°C/45°F 6°C/43°F 4°C/39°F 5°C/41°F 5°C/41°F |
55mm 46mm 100mm 48mm 51mm |
219 hrs |
| SUMMER July-Aug |
Chemainus CowichanBay Cowichan Lake Duncan Shawnigan Lake |
24°C/75°F 22°C/72°F 24°C/75°F 23°C/74°F 23°C/74°F |
14°C/57°F 12°C/54°F 11°C/52°F 11°C/52°F 11°C/52°F |
30mm 29mm 47mm 28mm 29mm |
307 hrs |
| FALL Oct- Nov |
Chemainus CowichanBay Cowichan Lake* Duncan Shawnigan Lake |
12°C/54°F 11°C/52°F 11°C/52°F 12°C/54°F 11°C/52°F |
6°C/43°F 5°C/41°F 4°C/39°F 3°C/37°F 4°C/39°F |
165mm 127mm 284mm* 135mm 155mm |
139 hrs |
| WINTER Dec- Jan |
Chemainus CowichanBay Cowichan Lake Duncan Shawnigan Lake |
6°C/43°F 6°C/43°F 5°C/41°F 6°C/43°F 6°C/43°F |
2°C/36°F 1°C/34°F 0°C/32°F 0°C/32°F 0°C/32°F |
235mm 178mm 367mm 187mm 227mm |
60 hrs |
| EARLY SPRING Feb- March |
Chemainus CowichanBay Cowichan Lake* Duncan Shawnigan Lake |
9°C/48°F 9°C/48°F 8°C/47°F 10°C/50°F 9°C/48°F |
3°C/37°F 2°C/36°F 1°C/34°F 1°C/34°F 1°C/34°F |
132mm 105mm 243mm* 110mm 131mm |
116 hrs |
| YEAR | Chemainus CowichanBay Cowichan Lake Duncan Shawnigan Lake |
15°C/59°F 14°C/57°F 14°C/57°F 15°C/59°F 14°C/57°F |
7°C/45°F 6°C/43°F 5°C/41°F 5°C/41°F 5°C/41°F |
1345mm 1066mm 2261mm 1110mm 1294mm |
2128 hrs |
| Community | Warmest Mean Max Temp | Coldest Mean Max Temp | |||
| Chemainus CowichanBay Cowichan Lake Duncan Shawnigan Lake |
25°C/77°F (late July-early Aug.) 23°C/74°F (late July-early Aug) 25°C/77°F (late July) 25°C/77°F (late July) 24°C/75°F (late July) |
1°C/34°F (mid Jan.) 0°C/32°F (mid Jan.) 1°C/30°F (mid Jan.) 1°C/30°F (mid Jan.) 1°C/30°F (mid Jan.) |
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