Burnaby weather in August

In August, Burnaby has daytime highs averaging 23 °C, nights around 14 °C, with 7.1 wet days, and a sea temperature of 16 °C. Figures are 1991–2020 climate normals.

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May 12°
  6. Jun 15°
  7. Jul 18°
  8. Aug 19°
  9. Sep 16°
  10. Oct 10°
  11. Nov
  12. Dec

Daily temperatures through August

11° 20° 28° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 25.0 °C and lows bottom out at 13.1 °C.

How August develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 August 24.1 °C 14.7 °C 22 %
11–20 August 24.1 °C 14.6 °C 15 %
21–31 August 22.4 °C 13.7 °C 29 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 31, at 47 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 10 of 31 33 %
Days above 30 °C 1.1 of 31 3 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 7.1 of 31 23 %

Conditions in August

MeasureAverage
Mean temperature 19 °C
Record high (1991–2020) 34 °C
Record low (1991–2020) 8.9 °C
Relative humidity 75 %
Wind speed 9.8 km/h
Cloud cover 47 %

Where Burnaby ranks in August

Ranking Position Value
Places with the best weather in North America in August 9th of 50 92/100
The coolest places in North America in August 26th of 50 23 °C

August compared with the months around it

Month Avg high Rainfall Cloud
June 19.7 °C 95 mm 63 %
July 23.3 °C 53 mm 46 %
August 23.5 °C 73 mm 47 %
September 20.1 °C 122 mm 54 %
October 13.9 °C 241 mm 70 %

See all twelve months for Burnaby

QuestionsAugust in Burnaby, answered

How warm is Burnaby in August?

Daily highs average 23 °C and nights fall to about 14 °C, a spread of 9.2 °C between afternoon and dawn. That makes August the 1st warmest month of the year here.

Does it rain much in Burnaby in August?

August averages 73 mm of rain, spread over about 7 of the 31 days — 23 % of the month. Cloud cover averages 47 % of the sky.

Is the sea warm enough to swim in August?

The sea averages 16 °C off Burnaby in August. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in August?

Burnaby averages 14 hours between sunrise and sunset in August. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.