ClimateAverages

Red Deer Climate

Alberta, Canada · population 73,593 · 325 weather stations within 200 km · records 1856 to 2025

Average annual daytime high
8.6°C
Warmest month · July
22.4°C
Typical daytime high
Coldest month · January
-20.0°C
Typical overnight low

Red Deer has an average annual daytime high of 8.6°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 22.4°C, and its coldest is January, with overnight lows near -20.0°C.

Month by month averages

MonthAvg highAvg low
January-8.7°C-20.0°CColdest
February-3.1°C-15.6°C
March0.7°C-11.5°C
April9.3°C-3.5°C
May16.4°C2.5°C
June19.8°C6.5°C
July22.4°C8.6°CWarmest
August21.5°C7.6°C
September16.7°C3.0°C
October11.4°C-2.5°C
November1.5°C-9.8°C
December-4.7°C-16.1°C

Temperature range across the year

-22°-10°1°13°24°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2015
+2.9°C vs. 1951–1980
Coldest year on record
1875
-2.4°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Red Deer getting hotter?

Since 1900, Red Deer's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1856, warming totals +2.2°C.

1.4°2.1°2.8°3.6°4.3°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to September

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Red Deer?

Red Deer's average annual daytime high is 8.6°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 22.4°C, and the coldest is January, with lows averaging -20.0°C.

What is the warmest month in Red Deer?

July is the warmest month in Red Deer, with typical daytime highs of 22.4°C.

What is the hottest year on record for Red Deer?

2015 is the hottest year on record for Red Deer, running +2.9°C above the 1951 to 1980 baseline.

Is Red Deer getting hotter?

Yes. Since 1900, Red Deer has warmed by roughly +2.4°C.

When is the best time to visit Red Deer?

May to September typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.