Historical climate averages in Calgary for August

Canada · 2025–2025 · 31 daily observations

A month-level reference built from observed daily highs, lows, and precipitation values. Use it to see how August fits into Calgary's annual pattern, then jump to nearby months below.

Average High

23.1°C

Average Low

11.4°C

Record High

27.4°C

Record Low

6.8°C

Average Daily Precipitation

0.9mm

Data Coverage

2025–2025 (31 obs)

August in context

August in Calgary is the warmest month by average daytime high. Average highs reach 23.1°C and average lows settle near 11.4°C.

the 8th wettest month by average daily precipitation. Average daily precipitation is 0.9mm, versus 3.9mm in July, the wettest month.

This snapshot is built from 31 daily observations collected between 2025 and 2025. Record highs and lows mark the single hottest and coldest daily readings in the archive for this month.

Relative to the full year

  • Daytime highs: +12.8°C vs city-wide monthly average
  • Nighttime lows: +11.6°C vs city-wide monthly average
  • Daily precipitation: -0.5mm vs city-wide monthly average

Archive quality

  • Coverage: 2025–2025 (31 obs)
  • Temperature span: 20.6°C between record low and high
  • Driest month benchmark: September at 0.2mm

How this summary is calculated

PastWeather groups all recorded days for August, then calculates the average daytime high, average nighttime low, and average daily precipitation value for that month. The cards above stay tied to observed data rather than travel copy or generic climate descriptions.

Average high / low

Mean daily maximum and minimum temperatures across every recorded August day in the archive.

Record extremes

The single hottest and coldest daily readings observed during this month, useful for understanding outlier risk.

Precipitation note

Precipitation is shown as an average daily value for this month, which helps compare wetter and drier parts of the year on the same basis.

Explore another month

Move month by month or jump straight to the warmest, coldest, or wettest part of the year for Calgary.