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Nathula Pass Weather – Month-by-Month


Nathula Pass is 14,140 feet high in the Eastern Himalayas. It is known for its strategic importance, beautiful scenery, and harsh weather. For any traveller planning a visit from Gangtok, understanding Nathula's climate is not optional—it's essential.


Climate Overview of Nathula Pass

Due to its high altitude, Nathula Pass remains cold and windy for most of the year. The region experiences three primary weather patterns:

  • Summer (April to June): Cold but relatively clear, ideal for visits

  • Monsoon (July to September): Heavy rain, frequent landslides, and poor visibility

  • Winter (October to March): Extreme cold, heavy snowfall, road closures

Even in summer, temperatures can dip close to zero, and oxygen levels are low. Proper acclimatization and winter gear are highly recommended.


Month-by-Month Weather Guide

Month

Temperature Range

Weather Condition

Travel Feasibility

January

-15°C to -5°C

Heavy snowfall, road closed

Not accessible

February

-14°C to -4°C

Snow, slippery roads

Not recommended

March

-10°C to 2°C

Cold, slight snow

Partially open

April

-5°C to 5°C

Snow melting, clear skies

Ideal

May

-2°C to 10°C

Pleasant, dry, good views

Best time

June

2°C to 12°C

Mild rain, slight clouds

Still accessible

July

5°C to 14°C

Rain, landslide risk

Avoid

August

6°C to 15°C

Continued rain

Risky

September

3°C to 10°C

Skies clear post-monsoon

Good for visits

October

-2°C to 6°C

Dry, clear, colder nights

Ideal

November

-8°C to 2°C

Snowfall begins

Limited access

December

-12°C to -2°C

Heavy snow, roads blocked

Closed


Does It Snow in Nathula Pass?

Yes, snowfall is frequent and heavy during winter months (November to March). In peak winter (January and February), the pass is often closed due to snow buildup and low visibility.

If you want to see snow, visit in late March or early April. Roads will be reopening, and some snow will still be there.


Best Time for Stable Weather

If you're looking for clear skies, safe travel, and pleasant conditions, plan your Nathula Pass visit between:

  • April to June (Pre-monsoon window)

  • Mid-September to October (Post-monsoon window)

During these months:

  • Road conditions are better

  • Visibility is high

  • You can also visit nearby sites like Tsomgo Lake and Baba Mandir without weather-related risk


Weather Challenges to Consider

Nathula's weather can be unpredictable—even during peak seasons.

Here are some important considerations:

  • Sudden snowstorms are possible in March, April, and October

  • Rain-induced landslides are common in July and August

  • Windchill makes real feel temperatures much colder

  • Sunburn can occur quickly due to high UV levels at altitude

Always check the weather 24–48 hours before your travel date.


What to Pack Based on Weather

Regardless of season, here’s a checklist of essentials for visiting Nathula Pass:

  • Insulated jacket (even in May or June)

  • Thermals and warm inners

  • Woolen socks, gloves, and cap

  • Sunglasses (for snow glare)

  • Sunscreen (SPF 50+)

  • Reusable water bottle

  • Snacks (dry fruits, energy bars)

Those visiting in winter or spring should also carry:

  • Waterproof shoes

  • Mini oxygen canisters (especially for seniors)

  • Personal medication for altitude sickness


Can I Visit Nathula in Winter?

From December to February, Nathula Pass is generally closed for tourists. Even if the road is partially open, weather conditions may make travel dangerous. Most local agencies stop accepting bookings during these months.

If you're determined to experience snow, consider Tsomgo Lake or Zuluk Valley as safer winter alternatives.


FAQ – Nathula Pass Weather

Q1. Which month is best to visit Nathula Pass?

April, May, and October are the best months for stable weather and safe travel.

Q2. Does it rain heavily at Nathula?

Yes. Monsoon months (July and August) experience heavy rainfall, landslides, and slippery roads. It's advised to avoid travel during this time.

Q3. Is Nathula Pass accessible in December or January?

No. Nathula remains closed due to heavy snow and freezing temperatures in these months.

Q4. Can I see snow in Nathula during April?

Yes. Early April may still have leftover snow from winter, especially near the pass and along the route.

Q5. How cold does it get at Nathula Pass?

Temperatures can drop to -15°C in winter and stay below 5°C even in summer.

Q6. Are there any restrooms or shelters on the way?

Limited tea stalls and military-run canteens exist, but basic. Facilities may close in bad weather.


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