Nanaimo weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: July – August
What is the weather like in Nanaimo in August?
In August, Nanaimo is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sea averages 17.6 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 5 days, adding up to 32 mm. All in all, August is a good month for a holiday in Nanaimo.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 65 | 68 | 31 |
| Day | 24° | 24° | 20° |
| Night | 15° | 15° | 12° |
| Sea | 17° | 18° | 15° |
| Sun | 11 h | 10 h | 7 h |
| Rain days | 6 | 5 | 9 |
More details for August
- Daylight
- 14 h 28 min06:06 – 20:35
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 9 km/haverage daily peakAll months
- Cloud cover
- 44 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−7America/Vancouver
How the score comes together
- Temperatureweight 35 %78 %
- Seaweight 25 %9 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %91 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Nanaimo in August: quick answers
Is Nanaimo hot in August?
Warm rather than hot: in August, daytime highs in Nanaimo average 24 °C and nights cool to about 15 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Nanaimo in August?
Only if you don't mind cold water: in August the sea averages just 17.6 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Nanaimo in August?
Rain falls on about 5 days, adding up to 32 mm.
Nanaimo month by month
The whole year in NanaimoAll destinations: CanadaWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences