Spring (September–November): Average -3–1°C, the weather gradually warms up but remains very cold. September is the month with relatively more precipitation throughout the year, while other months are drier. High mountain areas still have snow cover. Common activities: glacier scenic flights, early spring glacier hiking (conditions permitting), landscape photography. Recommended attire: multi-layered warm clothing (e.g., moisture-wicking base layer, insulating mid-layer, windproof and waterproof outer jacket), warm hat, gloves, non-slip warm boots.
Summer (December–February): Average 4–6°C, temperatures are the highest of the year but still cool, precipitation is scarce, usually sunny with long daylight hours. Common activities: glacier hiking, alpine hiking (on some trails), scenic flights, mountaineering. Recommended attire: warm and moisture-wicking clothing, waterproof and windproof jacket, sun protection, sunglasses, hat, sturdy hiking boots.
Autumn (March–May): Average -3–2°C, temperatures gradually drop, the weather turns cold and dry, with sub-zero temperatures starting in May. The scenery transitions from early autumn's bleakness to a winter ambiance. Common activities: enjoying alpine scenery, photography, short trail hikes at lower altitudes (warm clothing essential). Recommended attire: multi-layered warm clothing (warm base layer, wool or down mid-layer), windproof and waterproof outer jacket and pants, warm hat, gloves, warm boots.
Winter (June–August): Average -4–-3°C, temperatures are the lowest of the year, consistently below zero, cold and dry, mountains are covered in snow, with short daylight hours. Common activities: heli-skiing, snowshoeing, ice climbing (guided), snowy scenic flights. Recommended attire: extreme cold weather gear—thick warm base layer, down or thick wool mid-layer, professional-grade windproof and waterproof jacket and snow pants, warm gloves, hat, snow goggles, high-top warm snow boots.
Tasman Glacier climatological average
Annual average temperature: approx. 0.2°C / Annual rainfall: approx. 155 mm / Summer humidity: 60-70% / Rainiest month: September
Tasman Glacier monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.9°C
19
February
4.7°C
6.9
March
1.9°C
7.7
April
1.6°C
18.7
May
-2.5°C
4.4
June
-2.8°C
8.9
July
-3.3°C
7.9
August
-3.7°C
17.6
September
-3.3°C
25.6
October
-1.3°C
14.5
November
1°C
11.1
December
3.9°C
12.9
Tasman Glacier weather for the next seven days
10/22
Wednesday
Moderate rain
5.2°C/-1.5°C
10/23
Thursday
Heavy rain
7.8°C/2.1°C
10/24
Friday
Moderate rain
6.7°C/-1.4°C
10/25
Saturday
Moderate rain
7.8°C/0°C
10/26
Sunday
Moderate rain
8.3°C/2°C
10/27
Monday
Heavy rain
9.9°C/0.8°C
10/28
Tuesday
Patchy rain nearby
0.3°C/-1.4°C
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