The biggest temperature swing occurs between September and October, as typical highs shift from 18.2°C / 64.8°F to 10.2°C / 50.4°F (about 8°C / 14.4°F).
| Month | Low Temperature | High Temperature | Category |
|---|---|---|---|
| January | -3.5°C | 1.2°C | COLD |
| February | -3.8°C | 2.4°C | COLD |
| March | -1.5°C | 5.1°C | COLD |
| April | 1.1°C | 8.5°C | COOL |
| May | 4.6°C | 13.5°C | COOL |
| June | 8.5°C | 16.7°C | MILD |
| July | 12.3°C | 21.9°C | MILD |
| August | 12.4°C | 22.5°C | WARM |
| September | 9°C | 18.2°C | MILD |
| October | 3.6°C | 10.2°C | COOL |
| November | -1.7°C | 3.6°C | COLD |
| December | -4.6°C | 0.2°C | COLD |
August has the warmest typical feels-like highs (22.5°C / 72.6°F), while December is coolest (-2.8°C / 26.9°F).
| Month | Low Feels Like | High Feels Like | Category |
|---|---|---|---|
| January | -6.9°C | -1.7°C | COLD |
| February | -7.3°C | -0.7°C | COLD |
| March | -4.7°C | 2.1°C | COLD |
| April | -1.7°C | 6.2°C | COLD |
| May | 2.5°C | 12.2°C | COOL |
| June | 7.3°C | 16°C | MILD |
| July | 12.1°C | 22.1°C | WARM |
| August | 12.2°C | 22.5°C | WARM |
| September | 8°C | 17.3°C | MILD |
| October | 1.3°C | 8.3°C | COOL |
| November | -4.8°C | 0.9°C | COLD |
| December | -8.1°C | -2.8°C | COLD |
November is wettest at 371.3 mm / 14.62 inches, while July is driest at 71.9 mm / 2.83 inches.
| Month | Baseline | Rainfall | Category |
|---|---|---|---|
| January | -47.8 mm | 335.8 mm | VERY WET |
| February | -47.8 mm | 204.9 mm | VERY WET |
| March | -47.8 mm | 269 mm | VERY WET |
| April | -47.8 mm | 160.4 mm | WET |
| May | -47.8 mm | 118.5 mm | MODERATE |
| June | -47.8 mm | 114.9 mm | MODERATE |
| July | -47.8 mm | 71.9 mm | MODERATE |
| August | -47.8 mm | 79.3 mm | MODERATE |
| September | -47.8 mm | 128.3 mm | WET |
| October | -47.8 mm | 266.6 mm | VERY WET |
| November | -47.8 mm | 371.3 mm | VERY WET |
| December | -47.8 mm | 332 mm | VERY WET |
June has the strongest peak UV (around index 7.9).
| Month | Baseline | UV Index | Category |
|---|---|---|---|
| January | 0 | 2.2 | LOW-MOD |
| February | 0 | 3.7 | MODERATE |
| March | 0 | 5.4 | MODERATE |
| April | 0 | 7 | HIGH |
| May | 0 | 7.7 | HIGH |
| June | 0 | 7.9 | HIGH |
| July | 0 | 7.8 | HIGH |
| August | 0 | 7.3 | HIGH |
| September | 0 | 6 | HIGH |
| October | 0 | 4.2 | MODERATE |
| November | 0 | 2.5 | LOW-MOD |
| December | 0 | 1.6 | LOW-MOD |
Daylight ranges from 8.1h in December to 16.3h in June.
| Month | Baseline | Daylight Hours | Category |
|---|---|---|---|
| January | 0h | 8.6h | SHORT |
| February | 0h | 10.1h | BALANCED |
| March | 0h | 11.9h | BALANCED |
| April | 0h | 13.8h | LONG |
| May | 0h | 15.5h | LONG |
| June | 0h | 16.3h | LONG |
| July | 0h | 15.9h | LONG |
| August | 0h | 14.4h | LONG |
| September | 0h | 12.6h | BALANCED |
| October | 0h | 10.7h | BALANCED |
| November | 0h | 9h | SHORT |
| December | 0h | 8.1h | SHORT |
November is most humid (85.8%), while August is driest (71.2%).
| Month | Baseline | Humidity (avg) | Category |
|---|---|---|---|
| January | 66% | 84.7% | MUGGY |
| February | 66% | 79.9% | MUGGY |
| March | 66% | 79.1% | MUGGY |
| April | 66% | 76.2% | MUGGY |
| May | 66% | 76.4% | MUGGY |
| June | 66% | 76.8% | MUGGY |
| July | 66% | 71.5% | HUMID |
| August | 66% | 71.2% | HUMID |
| September | 66% | 77.4% | MUGGY |
| October | 66% | 84.1% | MUGGY |
| November | 66% | 85.8% | MUGGY |
| December | 66% | 84.5% | MUGGY |
June has the strongest typical average wind (4.6 km/h / 2.9 mph), while September is calmest (4.2 km/h / 2.6 mph).
| Month | Baseline | Wind (avg) | Category |
|---|---|---|---|
| January | 4 km/h | 4.3 km/h | CALM |
| February | 4 km/h | 4.5 km/h | CALM |
| March | 4 km/h | 4.6 km/h | CALM |
| April | 4 km/h | 4.5 km/h | CALM |
| May | 4 km/h | 4.3 km/h | CALM |
| June | 4 km/h | 4.6 km/h | CALM |
| July | 4 km/h | 4.6 km/h | CALM |
| August | 4 km/h | 4.4 km/h | CALM |
| September | 4 km/h | 4.2 km/h | CALM |
| October | 4 km/h | 4.3 km/h | CALM |
| November | 4 km/h | 4.4 km/h | CALM |
| December | 4 km/h | 4.3 km/h | CALM |
November is windiest by P95 gust signal (76.0 km/h / 47.2 mph).
| Month | Baseline | Wind (gusts) | Category |
|---|---|---|---|
| January | 0 km/h | 71.6 km/h | VERY WINDY |
| February | 0 km/h | 68.4 km/h | VERY WINDY |
| March | 0 km/h | 69.5 km/h | VERY WINDY |
| April | 0 km/h | 58 km/h | VERY WINDY |
| May | 0 km/h | 50.4 km/h | VERY WINDY |
| June | 0 km/h | 51.8 km/h | VERY WINDY |
| July | 0 km/h | 50 km/h | VERY WINDY |
| August | 0 km/h | 50.4 km/h | VERY WINDY |
| September | 0 km/h | 55.8 km/h | VERY WINDY |
| October | 0 km/h | 68.8 km/h | VERY WINDY |
| November | 0 km/h | 76 km/h | VERY WINDY |
| December | 0 km/h | 70.9 km/h | VERY WINDY |
November has the most rain days (~21.2), while July has the fewest (~12.2). Rain days count the average number of days in a month with measurable rain (about 0.1 mm or more).
| Month | Baseline | Rain Days | Category |
|---|---|---|---|
| January | 8.6 days | 20.8 days | VERY FREQUENT |
| February | 8.6 days | 17.1 days | VERY FREQUENT |
| March | 8.6 days | 20.9 days | VERY FREQUENT |
| April | 8.6 days | 18.3 days | VERY FREQUENT |
| May | 8.6 days | 17.1 days | VERY FREQUENT |
| June | 8.6 days | 19.2 days | VERY FREQUENT |
| July | 8.6 days | 12.2 days | FREQUENT |
| August | 8.6 days | 12.3 days | FREQUENT |
| September | 8.6 days | 13.2 days | FREQUENT |
| October | 8.6 days | 18.5 days | VERY FREQUENT |
| November | 8.6 days | 21.2 days | VERY FREQUENT |
| December | 8.6 days | 21.1 days | VERY FREQUENT |
January has the most heavy rain/washout risk days (~15). Heavy rain days are the average number of days likely to bring stronger downpours that can disrupt outdoor plans.
| Month | Baseline | Heavy Rain Days | Category |
|---|---|---|---|
| January | 0 days | 15 days | PERSISTENT |
| February | 0 days | 11 days | PERSISTENT |
| March | 0 days | 13 days | PERSISTENT |
| April | 0 days | 10 days | PERSISTENT |
| May | 0 days | 8 days | PERSISTENT |
| June | 0 days | 8 days | PERSISTENT |
| July | 0 days | 5 days | FREQUENT |
| August | 0 days | 5 days | FREQUENT |
| September | 0 days | 7 days | PERSISTENT |
| October | 0 days | 12 days | PERSISTENT |
| November | 0 days | 15 days | PERSISTENT |
| December | 0 days | 14 days | PERSISTENT |
July has the highest heat-risk day count (~1 days). Heat days are the average number of days that exceed our location-specific heat-risk threshold.
| Month | Baseline | Heat Days | Category |
|---|---|---|---|
| January | 0 days | 0 days | LOW |
| February | 0 days | 0 days | LOW |
| March | 0 days | 0 days | LOW |
| April | 0 days | 0 days | LOW |
| May | 0 days | 0 days | LOW |
| June | 0 days | 0 days | LOW |
| July | 0 days | 1 days | LOW |
| August | 0 days | 0 days | LOW |
| September | 0 days | 0 days | LOW |
| October | 0 days | 0 days | LOW |
| November | 0 days | 0 days | LOW |
| December | 0 days | 0 days | LOW |
Daylight varies from 8.1 hours in December (winter) to 16.3 hours in June (summer), which is a difference of 8.2 hours.
Northern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:
| Ranking Goal | #1 | #2 | #3 | #4 |
|---|---|---|---|---|
| Lowest rain risk | Jul 5 risk days | Aug 5 risk days | Sep 7 risk days | May 8 risk days |
| Lowest heatwave risk | Jan 0 risk days | Feb 0 risk days | Mar 0 risk days | Apr 0 risk days |
| Lowest cold risk | Jul 6 risk days | Aug 6 risk days | Sep 19 risk days | Jun 20 risk days |
| Lowest wind disruption risk | Jul 50 km/h | May 50 km/h | Aug 50 km/h | Jun 52 km/h |
| Most comfortable evenings | Aug 66 / 100 | Jul 64 / 100 | Sep 45 / 100 | Jun 42 / 100 |
| Best outdoor reliability | Aug 100 / 100 | Sep 86 / 100 | May 86 / 100 | Jun 85 / 100 |
Click any month for detailed weather information and packing advice.
Get personalized month rankings based on weather comfort, outdoor activity suitability, and seasonal conditions.
View Best Time to VisitThe best months to visit Whistler depend on your preferences. For warm weather, August is typically the warmest month. For dry conditions, July, August, June tend to have the least rainfall. Consider your priorities, and whether you prefer warmer temperatures, drier weather, or longer daylight hours.
August is typically the warmest month in Whistler, with average high temperatures reaching around 23°C (73°F). This is peak summer weather, ideal for outdoor activities and sightseeing.
December is usually the coldest month, with average low temperatures dropping to around -5°C (23°F). Pack warm layers if visiting during this time, especially for evening activities.
November typically sees the most rainfall in Whistler, averaging around 371mm (14.6 inches). It's wise to pack waterproof layers and have some indoor backup plans if you're visiting during this month.
July is typically the driest month, with average rainfall of just 72mm (2.8 inches). This makes it an excellent time for outdoor exploration and activities with minimal risk of rain disruption.
Temperatures in Whistler range from average lows of 3°C (37°F) to highs of 10°C (51°F). This variation means you'll want to pack differently depending on when you visit, as layers are key for adapting to the seasonal changes.
Yes, sun protection is important in Whistler. UV levels can reach 8 during peak months, which is considered high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.