Jasper in August
In August, Jasper averages 22°C (71°F) during the day and 10°C (49°F) at night, with frequent rain — about 20 days of the month see precipitation (84 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.
August offers comfortable temperatures in Jasper, with some rain to plan around.
How August compares to the rest of the year in Jasper
August is one of the warmest months in Jasper (2nd of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 14°C above the annual average (8°C). August runs 1°C cooler than July (22°C) and cools 6°C in September (15°C).
August sunrise & sunset in Jasper
Times shown for Jasper local time (America/Edmonton), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Jasper — August
Golden-hour and blue-hour windows for the 15th of August, in Jasper's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Jasper in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Jasper's popularity.
Crowds & pricing — August in Jasper
This is a busy month in Jasper — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather Northern Hemisphere summer holidays
Sun & mosquito risk — August in Jasper
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Jasper in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -4°C / 24°F | -12°C / 11°F | 47 mm | 18 | — |
| February | -4°C / 24°F | -13°C / 8°F | 41 mm | 19 | — |
| March | 3°C / 37°F | -7°C / 19°F | 51 mm | 20 | — |
| April | 8°C / 46°F | -3°C / 27°F | 50 mm | 20 | — |
| May | 14°C / 58°F | 2°C / 36°F | 61 mm | 19 | — |
| June | 19°C / 66°F | 6°C / 43°F | 110 mm | 23 | — |
| July | 22°C / 72°F | 10°C / 50°F | 97 mm | 25 | — |
| August | 22°C / 71°F | 10°C / 49°F | 84 mm | 20 | — |
| September | 15°C / 60°F | 4°C / 39°F | 77 mm | 20 | — |
| October | 8°C / 46°F | -3°C / 27°F | 59 mm | 20 | — |
| November | -1°C / 30°F | -10°C / 14°F | 66 mm | 19 | — |
| December | -7°C / 19°F | -14°C / 6°F | 40 mm | 16 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Jasper in August →
Frequently asked questions
How hot is Jasper in August?
In August, Jasper averages a high of 22°C (71°F) and a low of 10°C (49°F) — generally mild and pleasant.
Does it rain a lot in Jasper in August?
August is quite rainy in Jasper, with about 20 rainy days on average.
Is August a good time to visit Jasper?
August is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Jasper in August?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Jasper for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.