Nanaimo Climate by Month
Nanaimo, British Columbia, Canada
Mild summers and cool winters, with rain spread through the year.
Nanaimo has mild summers and cool winters, with rain spread through the year. August is the warmest month, with highs around 75°F (24°C); December is the coolest at 44°F (7°C), and nights dip to 35°F (1°C). It gets 44 in (1116 mm) of rain a year, spread across the months.
- Warmest month
- 75°F(24°C)
- Average high, August
- Coldest nights
- 35°F(1°C)
- Average low, December
- Rain per year
- 44 in(1116 mm)
- No clear rainy season
- Humidity
- 76%
- Sunniest: July
Best and worst months in Nanaimo
Best for weatherThe most comfortable weather comes in July and August, with highs around 75°F (24°C) and about 1.1 in (27 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 45°F (7°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Nanaimo weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 45°F(7°C) | 35°F(2°C) | 7.9 in(201 mm) | 85% | 0.8 |
| FebFebruary | 47°F(8°C) | 35°F(2°C) | 3.7 in(93 mm) | 81% | 1.7 |
| MarMarch | 51°F(11°C) | 37°F(3°C) | 4.6 in(116 mm) | 71% | 2.7 |
| AprApril | 57°F(14°C) | 40°F(5°C) | 2.5 in(64 mm) | 68% | 4.2 |
| MayMay | 64°F(18°C) | 47°F(8°C) | 1.8 in(45 mm) | 73% | 5.3 |
| JunJune | 69°F(20°C) | 52°F(11°C) | 1.6 in(40 mm) | 67% | 5.6 |
| JulJulyBest | 74°F(24°C) | 56°F(13°C) | 0.9 in(22 mm) | 71% | 5.9 |
| AugAugustBest | 75°F(24°C) | 55°F(13°C) | 1.3 in(32 mm) | 71% | 5.0 |
| SepSeptember | 69°F(20°C) | 50°F(10°C) | 1.7 in(42 mm) | 75% | 3.5 |
| OctOctober | 58°F(14°C) | 44°F(7°C) | 4.3 in(108 mm) | 80% | 1.9 |
| NovNovember | 50°F(10°C) | 38°F(3°C) | 7.0 in(177 mm) | 82% | 1.0 |
| DecDecember | 44°F(7°C) | 35°F(1°C) | 6.9 in(176 mm) | 85% | 0.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Nanaimo →- 🇺🇸BellinghamWashington, United States · Pop. 85k99%matchSame summer highsSame winter lowsNanaimo vs Bellingham →
- 🇨🇦CourtenayBritish Columbia, Canada · Pop. 28k99%matchSame summer highsSame winter lowsNanaimo vs Courtenay →
- 🇺🇸SammamishWashington, United States · Pop. 52k99%matchSame winter lowsSame summer highsNanaimo vs Sammamish →
- 🇺🇸EverettWashington, United States · Pop. 108k99%matchSame winter lowsSame summer highsNanaimo vs Everett →
- 🇨🇦SurreyBritish Columbia, Canada · Pop. 568k98%matchSame summer highsSame winter lowsNanaimo vs Surrey →