Best time to visit Moraine Lake
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 cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold 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.
Similar climatesMaligne Lake96% · Lake Louise95% · Lake Minnewanka88%
Other destinations with the most-alike year-round climate to Moraine Lake (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 Moraine Lake'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 | -15–-8 | -12 | 10 | 175 | 17.5 | 79% | 8 | 104 | 1 | Quiet | 2 |
| Feb | -15–-7 | -11 | 13 | 215 | 16.5 | 73% | 9 | 131 | 1 | Quiet | 2 |
| Mar | -12–-3 | -7 | 12 | 174 | 14.5 | 64% | 9 | 199 | 3 | Quiet | 3 |
| Apr | -8–1 | -3 | 11 | 159 | 14.5 | 58% | 10 | 235 | 5 | Quiet | 4 |
| May | -1–8 | 5 | 15 | 188 | 12.5 | 60% | 10 | 261 | 6 | Quiet | 4 |
| Jun | 3–13 | 10 | 16 | 183 | 11.4 | 59% | 10 | 276 | 6 | Quiet | 5 |
| Jul | 8–19 | 17 | 12 | 137 | 11.4 | 48% | 13 | 327 | 6 | Quiet | 8 |
| Aug | 7–18 | 16 | 12 | 135 | 11.3 | 51% | 12 | 274 | 5 | Peak | 7 |
| Sep | 3–14 | 11 | 11 | 125 | 11.4 | 55% | 12 | 227 | 4 | Quiet | 6 |
| Oct | -5–4 | 1 | 11 | 177 | 16.1 | 70% | 10 | 159 | 2 | Quiet | 4 |
| Nov | -13–-4 | -8 | 12 | 186 | 15.5 | 79% | 8 | 104 | 1 | Quiet | 3 |
| Dec | -15–-8 | -12 | 12 | 189 | 15.8 | 79% | 7 | 81 | 1 | Quiet | 2 |
UV Index in Moraine Lake by Month
UV index in Moraine Lake peaks at 6 (high) in May, dropping to 1 (low) in December. May, June, July have high UV — SPF 30+ and sunglasses recommended.
Best months in detail
July
8/108–19°C (feels 17°C) · 12 rain days (137h) · 327 sun hours · 48% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (very high)
August
7/107–18°C (feels 16°C) · 12 rain days (135h) · 274 sun hours · 51% humidity · Peak crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
September
6/103–14°C (feels 11°C) · 11 rain days (125h) · 227 sun hours · 55% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 5 (moderate)
Every month
Show the other 9 months in detail
January
2/10-15–-8°C (feels -12°C) · 10 rain days (175h) · 104 sun hours · 79% humidity · Quiet crowd · UV 1 (low)
February
2/10-15–-7°C (feels -11°C) · 13 rain days (215h) · 131 sun hours · 73% humidity · Quiet crowd · UV 1 (low)
March
3/10-12–-3°C (feels -7°C) · 12 rain days (174h) · 199 sun hours · 64% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
April
4/10-8–1°C (feels -3°C) · 11 rain days (159h) · 235 sun hours · 58% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)
May
4/10-1–8°C (feels 5°C) · 15 rain days (188h) · 261 sun hours · 60% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (very high)
June
5/103–13°C (feels 10°C) · 16 rain days (183h) · 276 sun hours · 59% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (high)
October
4/10-5–4°C (feels 1°C) · 11 rain days (177h) · 159 sun hours · 70% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
November
3/10-13–-4°C (feels -8°C) · 12 rain days (186h) · 104 sun hours · 79% humidity · Quiet crowd · UV 1 (low)
December
2/10-15–-8°C (feels -12°C) · 12 rain days (189h) · 81 sun hours · 79% humidity · Quiet crowd · UV 1 (low)
Frequently asked questions about visiting Moraine Lake
When is the best time to visit Moraine Lake?
July is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: 8–19°C (12 rainy days). The top three months by score are July, August, September.
What is the worst time to visit Moraine Lake?
December is the lowest-scoring month (2/10, capped by extreme cold). Typical conditions: -15–-8°C (12 rainy days).
Is Moraine Lake too cold in winter?
5 months (January, February, March, November, December) cross our cold deal-breaker (apparent temperature below the cap). Doable with the right gear, but expect the climate score to be held down by the gate.
When are crowds lowest in Moraine Lake?
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 Moraine Lake have good weather but fewer tourists?
July (climate 8/10, crowd index 0) and September (climate 6/10, crowd index 23) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Moraine Lake by month?
UV peaks at 6 (high) in May and is lowest in December at 1 (low). Monthly peak values: Jan 1, Feb 1, Mar 3, Apr 5, May 6, Jun 6, Jul 6, Aug 5, Sep 4, Oct 2, Nov 1, Dec 1.
What is the UV index in Moraine Lake in May?
May is the peak UV month in Moraine Lake, with a daily-peak UV index of 6 (high). Apply SPF 30+, wear sunglasses, and seek shade during midday hours.
How high can UV get in Moraine Lake 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. May is the worst case: typical days average UV 6 (high), but the top 10% of days reach UV 8 (very 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 Moraine Lake bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 4 months: May, July, August, September. The worst month is August with a typical-day mean of 11 µg/m³ (moderate); on the worst 10% of days PM2.5 reaches 21 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.