Stor IslandStor Island at a Glance
When to Go
Best Time to Visit Stor Island
Best visited during the short Arctic summer with experienced guides and proper logistics.
High Arctic Summer
Jun-Aug · -10-5°C
The only practical season for many visits; long daylight and somewhat milder conditions.
Late Spring/Early Autumn
May, Sep · -20--5°C
Dangerous ice conditions and very limited support services.
Weather & Climate near Stor Island
Climate
Stor Island's climate is classified as Tundra - Tundra climate with cold summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -40°C to 10°C. Very dry conditions with minimal rainfall with a pronounced dry season.
Temperature & Rainfall
Temperature Range
10°
Warmest Month
-40°
Coldest Month
Monthly Conditions
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -40° - -33° | -45° | 2 mm | - | - | 2.1 m/s | - | - |
| February | - | -40° - -33° | -45° | 2 mm | - | - | 1.9 m/s | - | - |
| March | - | -39° - -32° | -42° | 2 mm | - | - | 1.7 m/s | - | - |
| April | - | -30° - -21° | -32° | 4 mm | - | - | 2.0 m/s | - | - |
| May | - | -15° - -7° | -17° | 13 mm | - | - | 3.0 m/s | - | - |
| June | - | 0° - 6° | 0° | 15 mm | - | - | 3.8 m/s | - | - |
| July | - | 4° - 10° | 4° | 30 mm | - | - | 3.9 m/s | - | - |
| August | - | 0° - 6° | 0° | 32 mm | - | - | 3.5 m/s | - | - |
| September | - | -9° - -4° | -11° | 22 mm | - | - | 3.0 m/s | - | - |
| October | - | -21° - -15° | -24° | 19 mm | - | - | 2.2 m/s | - | - |
| November | - | -31° - -24° | -35° | 7 mm | - | - | 2.0 m/s | - | - |
| December | - | -37° - -30° | -41° | 3 mm | - | - | 2.0 m/s | - | - |
Getting There & Around
How to Get to Stor Island
Very remote location in the Canadian High Arctic; access is by chartered vessel or specialized expedition flights from Nunavut communities. Planning requires coordination with local authorities and experienced Arctic operators.
Tips for Visiting Stor Island
- Be prepared for an Arctic environment: cold, wind and limited shelter.
- Coordinate with Canadian Arctic authorities or tour operators for necessary permits and safety briefings.
- Bring suitable navigation equipment - weather and limited landmarks can make overland travel treacherous.