January is one of the cooler months of the year in East Sikkim, with average highs near 6.4°C and lows around -4.7°C (mean 0.9°C). It is one of the drier months, averaging 5 mm of rainfall and 58% relative humidity across the period.
January is one of the cooler months of the year in East Sikkim. Across 45 years of records, the warmest January in East Sikkim was 2006 — when the month averaged 3.7°C — while the coldest was 2012 at -1.5°C. Typical January days reach 6.4°C with nights near -4.7°C. The long-term trend is warming, about 0.2°C per decade.
January is one of the drier months in East Sikkim, averaging 5 mm of rainfall. The wettest January on record was 2020 with 22 mm, while the driest were 1990, 2006 and 2010, among others at 0 mm.
Relative humidity in East Sikkim during January averages 58%. The most humid January was 2022 at 80%, and the least humid was 2013 at 43%.
January receives about 3.5 kWh/m²/day of solar energy in East Sikkim. The sunniest January was 2006 at 4.3 kWh/m²/day, and the cloudiest were 1996 and 2022 at 2.9.
Average wind speed in East Sikkim during January is 1.2 m/s. The windiest January was 2008 at 1.4 m/s, while the calmest were 2021, 2024 and 2025, among others at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 0.5°C | 0.6°C | 1.4°C | 0.7°C | 1.2°C | +0.7°C |
| Avg High | 6.1°C | 6.5°C | 7.1°C | 6.2°C | 6.3°C | +0.2°C |
| Avg Low | -5.2°C | -5.3°C | -4.3°C | -4.8°C | -3.9°C | +1.3°C |
| Avg Rain | 4 mm | 5 mm | 4 mm | 4 mm | 8 mm | +4 mm |
January temperatures in East Sikkim have risen by about 1.8°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -12.8°C (1991) to a record high of 14.8°C (1990).
Rainfall in January is one of the drier months, averaging 5 mm, with a wettest year of 22 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A quieter season to visit East Sikkim
If your dates are flexible, the more temperate months of June and September tend to be the most comfortable for visiting East Sikkim. That said, January — with days averaging 6.4°C and nights around -4.7°C (mean 0.9°C) and low rainfall (5 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 8.7°C | 3.4°C | -1.8°C | 12.9°C | -6.7°C | 6 mm | 65% | 1.1 m/s | 3.6 |
| 2024 | 5.0°C | 0.2°C | -4.7°C | 10.0°C | -7.3°C | 4 mm | 75% | 1.1 m/s | 3.2 |
| 2023 | 7.2°C | 1.8°C | -3.5°C | 11.3°C | -7.6°C | 0 mm | 65% | 1.2 m/s | 3.8 |
| 2022 | 4.2°C | -0.5°C | -5.2°C | 7.5°C | -8.9°C | 8 mm | 80% | 1.2 m/s | 2.9 |
| 2021 | 8.1°C | 3.0°C | -2.1°C | 11.3°C | -7.8°C | 8 mm | 64% | 1.1 m/s | 3.6 |
| 2020 🌧️ | 4.5°C | -0.9°C | -6.2°C | 9.5°C | -12.3°C | 22 mm | 72% | 1.3 m/s | 3 |
| 2019 | 5.0°C | -0.3°C | -5.6°C | 7.8°C | -10.9°C | 2 mm | 68% | 1.2 m/s | 3.4 |
| 2018 | 7.8°C | 2.0°C | -3.7°C | 12.7°C | -8.6°C | 1 mm | 57% | 1.2 m/s | 3.8 |
| 2017 | 5.8°C | 1.1°C | -3.7°C | 11.6°C | -7.6°C | 4 mm | 63% | 1.2 m/s | 3.6 |
| 2016 | 5.3°C | 0.1°C | -5.0°C | 8.2°C | -7.7°C | 8 mm | 68% | 1.2 m/s | 3 |
| 2015 | 6.6°C | 1.1°C | -4.3°C | 9.3°C | -10.4°C | 7 mm | 63% | 1.2 m/s | 3.4 |
| 2014 | 7.1°C | 1.7°C | -3.7°C | 9.6°C | -8.8°C | 0 mm | 58% | 1.2 m/s | 3.7 |
| 2013 | 6.5°C | 0.6°C | -5.4°C | 10.4°C | -11.4°C | 3 mm | 43% | 1.3 m/s | 4 |
| 2012 ❄️ | 3.8°C | -1.5°C | -6.8°C | 8.8°C | -9.8°C | 7 mm | 67% | 1.3 m/s | 3.1 |
| 2011 | 5.6°C | -0.2°C | -6.0°C | 9.3°C | -11.3°C | 3 mm | 63% | 1.3 m/s | 3.5 |
| 2010 | 8.1°C | 2.2°C | -3.7°C | 10.5°C | -9.9°C | 0 mm | 48% | 1.2 m/s | 4.1 |
| 2009 | 9.2°C | 3.4°C | -2.3°C | 14.2°C | -6.4°C | 1 mm | 57% | 1.2 m/s | 3.7 |
| 2008 | 6.0°C | 0.7°C | -4.6°C | 11.3°C | -10.8°C | 11 mm | 61% | 1.4 m/s | 3.3 |
| 2007 | 7.4°C | 1.9°C | -3.6°C | 12.7°C | -7.9°C | 2 mm | 52% | 1.2 m/s | 3.7 |
| 2006 🔥 | 9.5°C | 3.7°C | -2.2°C | 13.8°C | -9.0°C | 0 mm | 45% | 1.2 m/s | 4.3 |
| 2005 | 6.2°C | 0.9°C | -4.4°C | 10.5°C | -9.4°C | 8 mm | 63% | 1.3 m/s | 3 |
| 2004 | 5.6°C | 0.2°C | -5.2°C | 8.5°C | -9.4°C | 8 mm | 62% | 1.2 m/s | 3.2 |
| 2003 | 7.8°C | 1.6°C | -4.6°C | 13.3°C | -10.8°C | 7 mm | 45% | 1.2 m/s | 3.8 |
| 2002 | 5.6°C | 0.0°C | -5.7°C | 8.2°C | -8.6°C | 6 mm | 65% | 1.3 m/s | 3.5 |
| 2001 | 7.5°C | 1.5°C | -4.4°C | 14.2°C | -8.6°C | 0 mm | 47% | 1.3 m/s | 3.6 |
| 2000 | 5.9°C | 0.2°C | -5.5°C | 9.9°C | -9.4°C | 1 mm | 57% | 1.3 m/s | 3.4 |
| 1999 | 6.8°C | 0.9°C | -5.0°C | 10.0°C | -12.4°C | 1 mm | 48% | 1.2 m/s | 3.8 |
| 1998 | 6.5°C | 0.5°C | -5.4°C | 10.1°C | -11.3°C | 0 mm | 51% | 1.2 m/s | 3.5 |
| 1997 | 5.5°C | -0.3°C | -6.0°C | 9.5°C | -9.7°C | 2 mm | 51% | 1.3 m/s | 3.5 |
| 1996 | 6.0°C | 0.1°C | -5.8°C | 10.8°C | -8.4°C | 10 mm | 60% | 1.2 m/s | 2.9 |
| 1995 | 4.8°C | -0.9°C | -6.7°C | 8.5°C | -9.6°C | 5 mm | 52% | 1.3 m/s | 3.1 |
| 1994 | 7.9°C | 2.0°C | -4.0°C | 13.8°C | -11.1°C | 16 mm | 49% | 1.3 m/s | 3.4 |
| 1993 | 6.0°C | 0.2°C | -5.6°C | 9.9°C | -8.9°C | 10 mm | 61% | 1.3 m/s | 3.1 |
| 1992 | 6.7°C | 0.6°C | -5.4°C | 10.4°C | -12.6°C | 3 mm | 55% | 1.2 m/s | 3.7 |
| 1991 | 5.1°C | -0.5°C | -6.2°C | 13.0°C | -12.8°C | 5 mm | 59% | 1.2 m/s | 3.3 |
| 1990 | 9.5°C | 3.5°C | -2.5°C | 14.8°C | -6.2°C | 0 mm | 46% | 1.1 m/s | 3.8 |
| 1989 | 6.5°C | 0.5°C | -5.5°C | 12.3°C | -11.7°C | 3 mm | 53% | 1.3 m/s | 3.4 |
| 1988 | 7.8°C | 2.2°C | -3.4°C | 12.8°C | -8.2°C | 1 mm | 55% | 1.2 m/s | 3.6 |
| 1987 | 7.0°C | 1.2°C | -4.5°C | 9.5°C | -10.4°C | 3 mm | 54% | 1.2 m/s | 3.5 |
| 1986 | 6.9°C | 1.4°C | -4.1°C | 9.5°C | -8.4°C | 0 mm | 56% | 1.1 m/s | 3.7 |
| 1985 | 5.1°C | -0.3°C | -5.8°C | 7.4°C | -8.8°C | 3 mm | 63% | 1.2 m/s | 3.1 |
| 1984 | 5.5°C | -0.3°C | -6.2°C | 10.3°C | -9.8°C | 8 mm | 51% | 1.3 m/s | 3.4 |
| 1983 | 4.6°C | -1.2°C | -7.0°C | 8.8°C | -11.1°C | 1 mm | 57% | 1.2 m/s | — |
| 1982 | 7.4°C | 1.7°C | -4.0°C | 9.4°C | -10.7°C | 7 mm | 57% | 1.1 m/s | — |
| 1981 | 4.4°C | -0.8°C | -6.0°C | 10.1°C | -9.5°C | 9 mm | 71% | 1.2 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 6.4°C with lows near -4.7°C (mean 0.9°C), based on 45 years of NASA POWER data.
January averages 5 mm of rainfall in East Sikkim, one of the drier months. The wettest on record was 22 mm in 2020.
The hottest January reached 14.8°C in 1990. The coldest dipped to -12.8°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.8°C. Daytime highs moved from 5.4°C to 6.6°C and overnight lows from -5.8°C to -3.5°C over the same span.
January is one of the cooler months of the year in East Sikkim and one of the drier months, so plan for around 6.4°C daytime highs and -4.7°C at night.
Yes — January is the coldest month of the year in East Sikkim, averaging 0.9°C.
For January in East Sikkim, pack warm layers and a jacket for chilly mornings, with typical highs of 6.4°C and lows of -4.7°C.
Relative humidity in January averages 58% — moderately humid.
Average wind speed in January is 1.2 m/s. The windiest January on record averaged 1.4 m/s (2008).
The wettest January on record was 2020 with 22 mm. On average, January sees 5 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in East Sikkim behaves each January, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for January specifically, along with year-by-year records and how the month has changed over the decades.
