Ulakhan-Sis Range

Mountain Remote mountain range in Sakha Republic, Arctic region

The Ulakhan-Sis Range rises in northeastern Yakutia, a remote chain of tundra ridges and exposed rock. Scientists, adventurous trekkers and regional travelers note permafrost geology and sparse Arctic vegetation.

Main image
Ulakhan-Sis Range
Ulakhan-Sis Range, Sakha (Yakutia) Republic, Russia
70.4421, 134.3859
Varies - permits and guided access may be required for some routes; remote travel costs apply

How to Get to Ulakhan-Sis Range #

Access to the Ulakhan-Sis Range is by long road or air journeys from regional hubs in Yakutia (e.g., Yakutsk) and typically requires charter transport, local guides and careful season-dependent planning. Check with regional tour operators for logistics.

Tips for Visiting Ulakhan-Sis Range #

  • Plan logistics carefully - remote regions require permits, local guides and reliable transport.
  • Travel during the short Arctic summer for the best access; winter conditions are extreme and require specialist equipment.
  • Respect local communities and seasonal hunting practices; always follow regional guidance on wildlife and access.

Best Time to Visit Ulakhan-Sis Range #

The brief Arctic summer (June-August) is the only practical time for most visits; plan for rapid weather shifts.

Summer - June-August
Jun-Aug · 5-20°C
Short season for travel with relatively mild temperatures and accessible passes.
Spring/Autumn - May and September
May, Sep · -5-5°C to 0-10°C
Shoulder months with variable conditions; late snow and early freeze possible.
Winter - October-April
Oct-Apr · -40--10°C
Extreme cold and limited daylight; specialist expeditions only.

Weather & Climate near Ulakhan-Sis Range #

Climate

Ulakhan-Sis Range's climate is classified as Subarctic - Subarctic climate with cool summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -46°C to 17°C. Semi-arid with limited rainfall.

Best Time to Visit
JulyJuneAugust
Temperature & Rainfall
Temperature Range
31°
Warmest Month
-53°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -38°C and lows of -46°C. Light rainfall and mostly sunny skies.

50 Acceptable

Comfort

-42°
Feels Like Freezing
-42°C
Temperature
-46° -39°
96%
Humidity
Very Humid

Weather

11 mm
Rainfall
1.6 m/s
Wind
Calm
0.0
UV Index
Low
0.7h daylight

February

February is freezing with highs of -35°C and lows of -45°C. Light rainfall and partly cloudy skies.

42 Poor

Comfort

-40°
Feels Like Freezing
-40°C
Temperature
-45° -35°
96%
Humidity
Very Humid

Weather

11 mm
Rainfall
2.2 m/s
Wind
Calm
0.0
UV Index
Low
6.6h daylight

March

March is freezing with highs of -22°C and lows of -39°C. The driest month with just 7 mm and partly cloudy skies.

46 Poor

Comfort

-31°
Feels Like Freezing
-31°C
Temperature
-39° -22°
96%
Humidity
Very Humid

Weather

7 mm
Rainfall
2.2 m/s
Wind
Calm
0.1
UV Index
Low
11.3h daylight

April

April is freezing with highs of -7°C and lows of -25°C. Almost no rain and partly cloudy skies.

46 Poor

Comfort

-16°
Feels Like Freezing
-16°C
Temperature
-25° -7°
94%
Humidity
Very Humid

Weather

8 mm
Rainfall
2.3 m/s
Wind
Calm
0.5
UV Index
Low
16.0h daylight

May

May is freezing with highs of 5°C and lows of -7°C. Light rainfall and mostly overcast skies.

50 Acceptable

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-7°
91%
Humidity
Very Humid

Weather

17 mm
Rainfall
3.2 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
22.0h daylight

June

June is cold with highs of 13°C and lows of 2°C. Moderate rainfall (33 mm) and partly cloudy skies.

62 Good

Comfort

Feels Like Cold
C
Temperature
13°
83%
Humidity
Very Humid

Weather

33 mm
Rainfall
3.6 m/s
Wind
Light Breeze
1.0
UV Index
Moderate
24.0h daylight

July

July is cool with highs of 17°C and lows of 5°C. The wettest month with 47 mm of rain and mostly overcast skies.

66 Good

Comfort

11°
Feels Like Cool
11°C
Temperature
17°
85%
Humidity
Very Humid

Weather

47 mm
Rainfall
3.2 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
23.6h daylight

August

August is cold with highs of 13°C and lows of 2°C. Moderate rainfall (42 mm) and mostly overcast skies.

58 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
88%
Humidity
Very Humid

Weather

42 mm
Rainfall
3.0 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
17.9h daylight

September

September is freezing with highs of 4°C and lows of -4°C. Light rainfall and mostly overcast skies.

49 Poor

Comfort

Feels Like Freezing
C
Temperature
-4°
93%
Humidity
Very Humid

Weather

28 mm
Rainfall
2.9 m/s
Wind
Calm
0.2
UV Index
Low
13.1h daylight

October

October is freezing with highs of -12°C and lows of -21°C. Light rainfall and mostly overcast skies.

36 Poor

Comfort

-16°
Feels Like Freezing
-16°C
Temperature
-21° -12°
97%
Humidity
Very Humid

Weather

18 mm
Rainfall
2.2 m/s
Wind
Calm
0.0
UV Index
Low
8.5h daylight

November

November is freezing with highs of -30°C and lows of -39°C. Light rainfall and partly cloudy skies.

46 Poor

Comfort

-35°
Feels Like Freezing
-35°C
Temperature
-39° -30°
96%
Humidity
Very Humid

Weather

14 mm
Rainfall
1.8 m/s
Wind
Calm
0.0
UV Index
Low
2.4h daylight

December

December is freezing with highs of -35°C and lows of -43°C. Light rainfall.

Comfort

-39°
Feels Like Freezing
-39°C
Temperature
-43° -35°
95%
Humidity
Very Humid

Weather

14 mm
Rainfall
2.3 m/s
Wind
Calm
0.0
UV Index
Low
0.0h daylight

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