Monthly weather overview

Calgary monthly weather overview Canada · 캘거리

A quick, year-round overview of monthly and seasonal weather in Calgary. Use this page to get a feel for which months and seasons match your travel style.

View live weather & 14-day forecast›

Calgary weather at a glance

• Calgary sits at higher elevation east of the Rockies, so winters are long and cold, and wind can drop perceived temperature quickly.
• A key feature is occasional rapid warm-ups (Chinook-type patterns), so temperatures can swing noticeably (varies by year).
• Air is often relatively dry: summer shade can feel less sticky, but sun exposure and dehydration can matter more.
• Spring and fall are changeable, with wind and day–night swings shaping comfort.
• Packing works best when you plan for wind, big swings, and winter traction.

Dec · Jan · Feb

Winter (cold + snow): wind chill and footing matter

Avg low -13 to -9°C / high -4 to 1°C · Precip days: 6–12 / ~10–25 mm

• Wind can push perceived temperature much lower.
• Rapid warm-ups can occur in some periods.
• Snow/ice can affect walking comfort and traction.

Suggested outfits

· Puffer/coat + layers
· Optional traction

A note for travelers

In winter, wind and footing can matter as much as insulation.

Mar · Apr · May

Spring (variable): warming up, but wind and reversals happen

Avg low -5 to 5°C / high 4 to 17°C · Precip days: 7–12 / ~15–45 mm

• March can still feel winter-like; May is often more comfortable.
• Wind can drop comfort quickly.
• Mixed precipitation is possible.

Suggested outfits

· Jacket + layers
· Optional waterproof option

A note for travelers

Spring can feel like warm sun and cold wind in the same day.

Jun · Jul · Aug

Summer (warm + relatively dry): sunny days, cooler evenings

Avg low 8–11°C / high 21–24°C · Rainy days: 6–10 / ~40–80 mm

• Dry air often feels less sticky.
• Strong sun can raise heat stress quickly.
• Evenings can feel cool—thin layers help.

Suggested outfits

· Light clothing + thin evening layer
· Optional sunscreen/sunglasses

A note for travelers

In summer, sun exposure and dry air can matter more than humidity.

Sep · Oct · Nov

Fall (cooling fast): colder swings by October and November

Avg low -5 to 6°C / high 6 to 18°C · Precip days: 5–9 / ~10–35 mm

• September can feel pleasant; October–November cool quickly.
• Wind adds chill.
• Early snow is possible.

Suggested outfits

· Jacket/coat + layers
· Optional gloves

A note for travelers

Late fall often needs true layering, especially for evenings.

Want detailed monthly weather?

Pick a month below to see detailed average temperatures, rainfall, outfit ideas, and travel tips.

January February March April May June July August September October November December

Explore Calgary

These pages are connected so you can compare conditions and decide for yourself.

Current weather

Forecasts for Calgary

›

Best time to visit

When it tends to fit

›

What to wear

How people usually dress

›

Climate

Heat, rain, seasonality

›

Monthly hub

Jan–Dec at a glance

›