Climate averages 1991–2020
Nanaimo weather
in June.
A mild, moderately wet month: the joint 3rd warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Nanaimo: daytime highs average 18.8°C and nights cool to about 12.4°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 69 mm of rain on roughly 11 days, which makes June a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 09 min on an average June day.
The nearest other city in this atlas is Vancouver (60 km away). In June its highs average 18.2°C, 0.5°C cooler than Nanaimo, with 94 mm of rain.
Among the 86 cities listed in Canada, Nanaimo ranks joint 74th of 86 for the warmest June highs and 10th of 86 for the driest June (rainfall, lowest first). The mean June high of those 86 cities is 21.4°C; Nanaimo is 2.7°C cooler than that mean.
From June to July, average highs rise by 3.4°C to 22.1°C, and monthly rainfall falls from 69 mm to 43 mm.
The annual picture
June 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, selected | 18.8°C12.4°C | 12.4°C | 69 | 10.6 | 16.116 h |
| July | 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
June in nearby cities
- Vancouver in JuneCanada · 60 kmHigh 18.2°C · Low 11.3°C · 94 mm rain
- Delta in JuneCanada · 65 kmHigh 19.2°C · Low 11.6°C · 49 mm rain
- North Vancouver in JuneCanada · 65 kmHigh 18.5°C · Low 11.3°C · 94 mm rain
- Burnaby in JuneCanada · 73 kmHigh 18.8°C · Low 11.0°C · 94 mm rain
- New Westminster in JuneCanada · 75 kmHigh 18.9°C · Low 10.3°C · 94 mm rain
- Surrey in JuneCanada · 81 kmHigh 19.0°C · Low 10.3°C · 60 mm rain
- Coquitlam in JuneCanada · 85 kmHigh 19.6°C · Low 10.9°C · 108 mm rain
- Victoria in JuneCanada · 92 kmHigh 16.8°C · Low 11.2°C · 27 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.