Best time to visit Jasper
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Jasper
9 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Jasper).
- 1
Jasper Wildlife & Sightseeing Tour with Maligne Lake Cruise - 2
Guided Glacier Hike on The Athabasca with IceWalks - 3
Jasper Wildlife and Sightseeing Tour with Maligne Lake Hike - 4
Jasper to Banff One-Way Tour - 5
Whitewater Rafting on Jasper's Fraser River - 6
Jasper to Lake Louise One-Way Tour - 7
Wild Current Canoe Adventure Join a small group - 8
Maligne Lake Cruise - 9
Athabasca Canyon Run Family Rafting: Class II Plus Rapids
Last refreshed 2026-06-14.
Similar climatesZermatt89% · St Moritz88% · Tatranská Lomnica87%
Other destinations with the most-alike year-round climate to Jasper (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Jasper's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | -13–-4 | -8 | 11 | 155 | 14.1 | 71% | 8 | 117 | 1 | Quiet | 7 |
| Feb | -12–-2 | -6 | 12 | 199 | 16.6 | 65% | 8 | 128 | 1 | Quiet | 7 |
| Mar | -9–2 | -2 | 11 | 165 | 15.0 | 59% | 8 | 203 | 3 | Quiet | 8 |
| Apr | -5–7 | 3 | 12 | 155 | 12.9 | 53% | 8 | 241 | 4 | Quiet | 8 |
| May | 1–14 | 12 | 11 | 165 | 15.0 | 53% | 8 | 268 | 5 | Quiet | 5 |
| Jun | 5–19 | 17 | 14 | 169 | 12.1 | 54% | 8 | 276 | 5 | Quiet | 2 |
| Jul | 10–24 | 23 | 13 | 144 | 11.1 | 49% | 10 | 322 | 6 | Busy | 1 |
| Aug | 9–23 | 22 | 12 | 125 | 10.4 | 53% | 9 | 271 | 5 | Peak | 2 |
| Sep | 5–18 | 17 | 11 | 137 | 12.5 | 58% | 9 | 227 | 4 | Busy | 3 |
| Oct | -2–9 | 7 | 12 | 169 | 14.1 | 66% | 8 | 167 | 2 | Quiet | 7 |
| Nov | -10–0 | -3 | 12 | 173 | 14.4 | 72% | 8 | 115 | 1 | Moderate | 7 |
| Dec | -13–-5 | -9 | 12 | 156 | 13.0 | 72% | 7 | 95 | — | Moderate | 7 |
UV Index in Jasper by Month
UV index in Jasper peaks at 6 (moderate) in July, dropping to 0 (low) in December.
Best months in detail
April
8/10-5–7°C (feels 3°C) · 12 rain days (155h) · 241 sun hours · 53% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)
March
8/10-9–2°C (feels -2°C) · 11 rain days (165h) · 203 sun hours · 59% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 3 (moderate)
January
7/10-13–-4°C (feels -8°C) · 11 rain days (155h) · 117 sun hours · 71% humidity · Quiet crowd · UV 1 (low)
Every month
Show the other 9 months in detail
February
7/10-12–-2°C (feels -6°C) · 12 rain days (199h) · 128 sun hours · 65% humidity · Quiet crowd · UV 1 (low)
May
5/101–14°C (feels 12°C) · 11 rain days (165h) · 268 sun hours · 53% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 8 (high)
June
2/105–19°C (feels 17°C) · 14 rain days (169h) · 276 sun hours · 54% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 8 (high)
July
1/1010–24°C · 13 rain days (144h) · 322 sun hours · 49% humidity · Busy crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
August
2/109–23°C · 12 rain days (125h) · 271 sun hours · 53% humidity · Peak crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
September
3/105–18°C (feels 17°C) · 11 rain days (137h) · 227 sun hours · 58% humidity · Busy crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 5 (moderate)
October
7/10-2–9°C (feels 7°C) · 12 rain days (169h) · 167 sun hours · 66% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
November
7/10-10–0°C (feels -3°C) · 12 rain days (173h) · 115 sun hours · 72% humidity · Moderate crowd · UV 1 (low)
December
7/10-13–-5°C (feels -9°C) · 12 rain days (156h) · 95 sun hours · 72% humidity · Moderate crowd
Frequently asked questions about visiting Jasper
When is the best time to visit Jasper?
April is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: -5–7°C (12 rainy days). The top three months by score are April, March, January.
What is the worst time to visit Jasper?
July is the lowest-scoring month (1/10, capped by extreme heat). Typical conditions: 10–24°C (13 rainy days).
Is Jasper too hot in summer?
4 months (June, July, August, September) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.
When are crowds lowest in Jasper?
Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Jasper have good weather but fewer tourists?
March (climate 8/10, crowd index 15) and April (climate 8/10, crowd index 11) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Jasper by month?
UV peaks at 6 (moderate) in July and is lowest in December at 0 (low). Monthly peak values: Jan 1, Feb 1, Mar 3, Apr 4, May 5, Jun 5, Jul 6, Aug 5, Sep 4, Oct 2, Nov 1, Dec —.
What is the UV index in Jasper in July?
July is the peak UV month in Jasper, with a daily-peak UV index of 6 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.
How high can UV get in Jasper on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. June is the worst case: typical days average UV 5 (moderate), but the top 10% of days reach UV 8 (high) — and even higher. Months where the sunniest days routinely exceed the typical reading: March, April, May, June, July, August, September, October. Plan sun protection for the worst case, not the average.
Is air quality in Jasper bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 4 months: June, July, August, September. The worst month is July with a typical-day mean of 13 µg/m³ (moderate); on the worst 10% of days PM2.5 reaches 24 µg/m³ (unhealthy for sensitive) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.