Climate averages 1991–2020

Calgary weather
in June.

A mild, wet month: the 3rd warmest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 19.1°C Daytime mean, June
Average low 7.8°C Night-time mean, June
Rainfall 104 mm 14 days with ≥1 mm
Daylight 16 h Sunrise to sunset, per day
Every month in Calgary · average highYear overview

June is a mild month in Calgary: daytime highs average 19.1°C and nights cool to about 7.8°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 104 mm of rain on roughly 14 days, which makes June a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 16 h 28 min on an average June day.

The nearest other city in this atlas is Airdrie (28 km away). In June its highs average 18.5°C, 0.6°C cooler than Calgary, with 107 mm of rain.

Among the 86 cities listed in Canada, Calgary ranks joint 69th of 86 for the warmest June highs and joint 73rd of 86 for the driest June (rainfall, lowest first). The mean June high of those 86 cities is 21.4°C; Calgary is 2.4°C cooler than that mean.

From June to July, average highs rise by 3.6°C to 22.7°C, and monthly rainfall falls from 104 mm to 61 mm.

The annual picture

June in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -20-15-10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Calgary climate table

1991–2020
Monthly climate averages for Calgary, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -2.9°C-13.1°C-13.1°C123.78.58 h
February 0.0°C-11.4°C-11.4°C123.710.010 h
March 4.2°C-7.6°C-7.6°C215.511.812 h
April 10.1°C-2.2°C-2.2°C388.013.814 h
May 15.7°C3.0°C3.0°C7211.315.516 h
June, selected 19.1°C7.8°C7.8°C10413.716.516 h
July 22.7°C10.8°C10.8°C6110.816.116 h
August 22.3°C10.1°C10.1°C639.514.615 h
September 17.5°C5.6°C5.6°C447.912.713 h
October 10.2°C-0.7°C-0.7°C246.210.811 h
November 2.1°C-7.1°C-7.1°C194.99.09 h
December -2.8°C-12.5°C-12.5°C143.78.08 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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

Distance from Calgary

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Calgary) is explained once on the Calgary year overview and on the Sources, method and limits page.