Climate averages 1991–2020
Nanaimo weather
in July.
A warm, moderately wet month: the 2nd warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Nanaimo: daytime highs average 22.1°C and nights cool to about 15.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 43 mm of rain on roughly 7 days, which makes July a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 47 min on an average July day.
The nearest other city in this atlas is Vancouver (60 km away). In July its highs average 21.6°C, 0.5°C cooler than Nanaimo, with 53 mm of rain.
Among the 86 cities listed in Canada, Nanaimo ranks 75th of 86 for the warmest July highs and 8th of 86 for the driest July (rainfall, lowest first). The mean July high of those 86 cities is 24.4°C; Nanaimo is 2.2°C cooler than that mean.
From July to August, average highs rise by 0.1°C to 22.3°C, and monthly rainfall rises from 43 mm to 54 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nanaimo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.9°C2.0°C | 2.0°C | 253 | 18.5 | 8.79 h |
| February | 6.9°C2.2°C | 2.2°C | 150 | 14.8 | 10.110 h |
| March | 8.9°C3.5°C | 3.5°C | 178 | 17.6 | 11.912 h |
| April | 11.9°C5.8°C | 5.8°C | 123 | 15.2 | 13.714 h |
| May | 16.1°C9.5°C | 9.5°C | 85 | 12.1 | 15.315 h |
| June | 18.8°C12.4°C | 12.4°C | 69 | 10.6 | 16.116 h |
| July, selected | 22.1°C15.1°C | 15.1°C | 43 | 7.3 | 15.816 h |
| August | 22.3°C15.3°C | 15.3°C | 54 | 6.3 | 14.414 h |
| September | 18.8°C12.5°C | 12.5°C | 86 | 9.3 | 12.713 h |
| October | 13.1°C8.2°C | 8.2°C | 177 | 15.2 | 10.811 h |
| November | 8.4°C4.4°C | 4.4°C | 264 | 18.7 | 9.29 h |
| December | 5.6°C2.0°C | 2.0°C | 247 | 18.6 | 8.38 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Vancouver in JulyCanada · 60 kmHigh 21.6°C · Low 14.0°C · 53 mm rain
- Delta in JulyCanada · 65 kmHigh 22.8°C · Low 14.2°C · 28 mm rain
- North Vancouver in JulyCanada · 65 kmHigh 21.9°C · Low 14.2°C · 53 mm rain
- Burnaby in JulyCanada · 73 kmHigh 22.2°C · Low 13.8°C · 53 mm rain
- New Westminster in JulyCanada · 75 kmHigh 22.4°C · Low 13.1°C · 53 mm rain
- Surrey in JulyCanada · 81 kmHigh 22.7°C · Low 13.0°C · 33 mm rain
- Coquitlam in JulyCanada · 85 kmHigh 23.1°C · Low 13.9°C · 60 mm rain
- Victoria in JulyCanada · 92 kmHigh 19.8°C · Low 13.4°C · 14 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nanaimo) is explained once on the Nanaimo year overview and on the Sources, method and limits page.