Best Time to Visit Sikkim (2026): Month-by-Month Weather & Seasons
Sikkim's two best windows are spring (March to May) for flowers and pleasant weather, and autumn (October to December) for the clearest Himalayan views. For snow at Tsomgo, Nathu La and North Sikkim, go from December to March. The monsoon brings landslides that close roads, especially in the north.
- Best time
- March to May, and October to December
- Peak season
- April–June, and October around Durga Puja
- Quieter months
- Late November to mid-December, and February
- Avoid
- July and August (landslides, road closures)
Seasons in Sikkim
Spring · March–May
Rhododendrons and Yumthang's flowers, mild in Gangtok (11–21 °C). The most popular time.
Monsoon · June–September
Heavy rain; landslides can close the North Sikkim and Nathu La roads for days.
Autumn · October–November
Clear skies and the best views of Kanchenjunga; comfortable days.
Winter · December–February
Cold, with snow at Tsomgo, Nathu La, Zero Point and Gurudongmar; some high roads close after heavy snowfall.
Sikkim weather month by month
Typical daytime temperatures for Gangtok (about 1,650 m); they vary year to year.
| Month | Temp | Rain | Verdict | What to expect |
|---|---|---|---|---|
| January Snow at Tsomgo and Nathu La; cold | 4–13 °C | Dry | Good | Snow at Tsomgo and Nathu La; cold |
| February Snow up high; Losar celebrations | 5–15 °C | Dry | Good | Snow up high; Losar celebrations |
| March Spring begins; rhododendrons | 9–19 °C | Some rain | Best | Spring begins; rhododendrons |
| April Peak flowers; Yumthang blooms | 11–21 °C | Some rain | Best | Peak flowers; Yumthang blooms |
| May Busy holidays; pleasant | 14–22 °C | Wet | Best | Busy holidays; pleasant |
| June Monsoon; road delays begin | 16–22 °C | Very wet | Okay | Monsoon; road delays begin |
| July Landslides likely | 16–22 °C | Very wet | Avoid | Landslides likely |
| August Very wet; North Sikkim often shut | 16–22 °C | Very wet | Avoid | Very wet; North Sikkim often shut |
| September Rain easing | 15–21 °C | Wet | Okay | Rain easing |
| October Clear views return | 12–20 °C | Some rain | Best | Clear views return |
| November Crisp, clear; best mountain views | 8–17 °C | Dry | Best | Crisp, clear; best mountain views |
| December Cold; first snow at Tsomgo | 5–14 °C | Dry | Good | Cold; first snow at Tsomgo |
Festivals
- LosarFebruary–March
- Saga DawaMay–June
- Pang LhabsolAugust–September
- Losoong / NamsoongDecember
Tips
- Permits for Tsomgo, Nathu La and North Sikkim are arranged a day ahead; Nathu La is closed Monday and Tuesday.
- Keep a buffer day in the monsoon for road closures.
- For snow, plan January to March; for flowers, April to May.
Plan Sikkim for the right season
Tell us your dates and we'll suggest the best route, stays and permits for that time of year.
Sikkim: frequently asked questions
Which is the best month to visit Sikkim?+
April and May for flowers and pleasant weather, or October and November for clear mountain views.
When can I see snow in Sikkim?+
From December to March at Tsomgo Lake, Nathu La, Zero Point and Gurudongmar.
Is Sikkim safe in the monsoon?+
Gangtok is fine, but landslides often close the roads to North Sikkim and Nathu La from June to September.
How cold is Gangtok in winter?+
About 4–14 °C in the day from December to February; well below freezing at Tsomgo and in North Sikkim.