October is one of the warmer months of the year in East Sikkim, with average highs near 13.5°C and lows around 4.5°C (mean 9°C). It is one of the drier months, averaging 47 mm of rainfall and 81% relative humidity across the period.
October is one of the warmer months of the year in East Sikkim. Across 45 years of records, the warmest October in East Sikkim was 2020 — when the month averaged 10.8°C — while the coldest was 1997 at 7.1°C. Typical October days reach 13.5°C with nights near 4.5°C. The long-term trend is warming, about 0.2°C per decade.
October is one of the drier months in East Sikkim, averaging 47 mm of rainfall. The wettest October on record was 2021 with 201 mm, while the driest were 1988 and 1993 at 4 mm.
Relative humidity in East Sikkim during October averages 81%. The most humid October was 2021 at 89%, and the least humid was 2012 at 73%.
October receives about 4.2 kWh/m²/day of solar energy in East Sikkim. The sunniest October was 1988 at 5.1 kWh/m²/day, and the cloudiest was 2024 at 3.5.
Average wind speed in East Sikkim during October is 1.2 m/s. The windiest Octobers were 1993 and 2016 at 1.4 m/s, while the calmest was 1997 at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.7°C | 8.9°C | 9.0°C | 9.0°C | 10.0°C | +1.3°C |
| Avg High | 13.4°C | 13.6°C | 13.7°C | 13.2°C | 14.0°C | +0.6°C |
| Avg Low | 4.0°C | 4.2°C | 4.3°C | 4.8°C | 6.0°C | +2°C |
| Avg Rain | 29 mm | 22 mm | 52 mm | 42 mm | 112 mm | +84 mm |
October temperatures in East Sikkim have risen by about 1.1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -0.9°C (1999) to a record high of 18.9°C (1983).
Rainfall in October is one of the drier months, averaging 47 mm, with a wettest year of 201 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit East Sikkim
October is a good time to visit East Sikkim, with days averaging 13.5°C and nights around 4.5°C (mean 9°C, close to East Sikkim's yearly average) and moderate rainfall. June and September are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.8°C | 9.9°C | 5.9°C | 15.6°C | 4.1°C | 150 mm | 86% | 1.2 m/s | 3.7 |
| 2024 | 14.4°C | 10.6°C | 6.8°C | 17.1°C | 1.9°C | 99 mm | 88% | 1.2 m/s | 3.5 |
| 2023 | 13.1°C | 9.3°C | 5.4°C | 16.9°C | 1.2°C | 98 mm | 86% | 1.3 m/s | 3.8 |
| 2022 | 13.4°C | 9.3°C | 5.2°C | 16.6°C | -0.5°C | 93 mm | 85% | 1.3 m/s | 4.2 |
| 2021 🌧️ | 13.9°C | 10.2°C | 6.5°C | 17.0°C | 2.0°C | 201 mm | 89% | 1.2 m/s | 3.8 |
| 2020 🔥 | 15.2°C | 10.8°C | 6.4°C | 17.4°C | 1.9°C | 34 mm | 82% | 1.2 m/s | 4.3 |
| 2019 | 13.4°C | 9.5°C | 5.6°C | 15.6°C | 3.2°C | 33 mm | 86% | 1.2 m/s | 3.8 |
| 2018 | 11.8°C | 7.5°C | 3.2°C | 14.9°C | -0.4°C | 23 mm | 82% | 1.3 m/s | 4.2 |
| 2017 | 13.6°C | 9.7°C | 5.9°C | 16.7°C | 1.4°C | 57 mm | 86% | 1.2 m/s | 3.9 |
| 2016 | 13.6°C | 9.8°C | 6.1°C | 16.7°C | 2.1°C | 81 mm | 87% | 1.4 m/s | 3.9 |
| 2015 | 13.5°C | 9.3°C | 5.1°C | 17.2°C | 2.7°C | 16 mm | 84% | 1.2 m/s | 4.3 |
| 2014 | 12.9°C | 8.7°C | 4.5°C | 16.5°C | 1.9°C | 8 mm | 83% | 1.2 m/s | 4.4 |
| 2013 | 13.0°C | 8.7°C | 4.4°C | 16.9°C | 0.6°C | 127 mm | 83% | 1.2 m/s | 3.6 |
| 2012 | 13.1°C | 8.3°C | 3.6°C | 16.0°C | 0.0°C | 22 mm | 73% | 1.2 m/s | 4.4 |
| 2011 | 13.5°C | 9.0°C | 4.5°C | 16.5°C | 1.1°C | 11 mm | 84% | 1.2 m/s | 4.1 |
| 2010 | 13.6°C | 9.3°C | 4.9°C | 15.8°C | 1.9°C | 38 mm | 83% | 1.2 m/s | 3.8 |
| 2009 | 14.0°C | 9.1°C | 4.3°C | 16.9°C | 1.8°C | 103 mm | 74% | 1.2 m/s | 4.2 |
| 2008 | 13.4°C | 8.8°C | 4.3°C | 17.1°C | 0.9°C | 61 mm | 81% | 1.2 m/s | 4.4 |
| 2007 | 14.2°C | 9.8°C | 5.3°C | 17.2°C | 1.0°C | 18 mm | 84% | 1.2 m/s | 4 |
| 2006 | 13.2°C | 8.6°C | 3.9°C | 16.7°C | 1.0°C | 19 mm | 80% | 1.3 m/s | 4.2 |
| 2005 | 13.3°C | 8.8°C | 4.4°C | 15.5°C | 1.7°C | 97 mm | 81% | 1.2 m/s | 4.1 |
| 2004 | 12.4°C | 7.9°C | 3.4°C | 15.7°C | -0.5°C | 51 mm | 81% | 1.2 m/s | 4 |
| 2003 | 14.6°C | 9.6°C | 4.6°C | 17.2°C | 1.9°C | 88 mm | 77% | 1.3 m/s | 4 |
| 2002 | 13.2°C | 8.4°C | 3.6°C | 17.0°C | 1.0°C | 13 mm | 79% | 1.2 m/s | 4.2 |
| 2001 | 13.6°C | 9.0°C | 4.5°C | 16.2°C | 0.1°C | 63 mm | 82% | 1.2 m/s | 4.2 |
| 2000 | 14.6°C | 9.6°C | 4.5°C | 17.3°C | 1.0°C | 7 mm | 78% | 1.2 m/s | 4.4 |
| 1999 | 13.9°C | 9.2°C | 4.4°C | 15.9°C | -0.9°C | 75 mm | 81% | 1.3 m/s | 3.7 |
| 1998 | 15.2°C | 10.7°C | 6.2°C | 17.0°C | 2.1°C | 54 mm | 84% | 1.3 m/s | 4.2 |
| 1997 ❄️ | 11.5°C | 7.1°C | 2.6°C | 15.2°C | 0.4°C | 4 mm | 82% | 1.1 m/s | 4.2 |
| 1996 | 13.7°C | 9.1°C | 4.4°C | 16.3°C | 2.2°C | 26 mm | 82% | 1.3 m/s | 4.6 |
| 1995 | 14.6°C | 9.5°C | 4.4°C | 16.2°C | 2.0°C | 8 mm | 75% | 1.3 m/s | 5 |
| 1994 | 13.5°C | 8.4°C | 3.2°C | 16.0°C | 0.8°C | 11 mm | 75% | 1.3 m/s | 4.8 |
| 1993 | 14.3°C | 9.4°C | 4.4°C | 17.2°C | 0.9°C | 4 mm | 76% | 1.4 m/s | 4.7 |
| 1992 | 13.1°C | 8.4°C | 3.7°C | 15.7°C | -0.1°C | 9 mm | 81% | 1.3 m/s | 4.6 |
| 1991 | 13.5°C | 8.9°C | 4.2°C | 17.1°C | -0.3°C | 4 mm | 78% | 1.2 m/s | 4.8 |
| 1990 | 13.1°C | 8.6°C | 4.1°C | 15.6°C | 0.0°C | 28 mm | 81% | 1.3 m/s | 4.4 |
| 1989 | 13.8°C | 8.9°C | 3.9°C | 16.7°C | -0.7°C | 7 mm | 78% | 1.2 m/s | 4.9 |
| 1988 | 14.4°C | 9.0°C | 3.7°C | 17.6°C | 1.2°C | 4 mm | 75% | 1.3 m/s | 5.1 |
| 1987 | 13.2°C | 8.8°C | 4.3°C | 15.3°C | 0.1°C | 34 mm | 83% | 1.3 m/s | 4.2 |
| 1986 | 12.1°C | 7.5°C | 3.0°C | 14.9°C | 1.0°C | 49 mm | 78% | 1.3 m/s | 4.6 |
| 1985 | 13.0°C | 8.5°C | 4.1°C | 17.5°C | 0.8°C | 87 mm | 84% | 1.2 m/s | 4.2 |
| 1984 | 14.4°C | 9.8°C | 5.1°C | 17.0°C | 0.8°C | 21 mm | 82% | 1.2 m/s | 4.1 |
| 1983 | 13.5°C | 8.7°C | 3.9°C | 18.9°C | -0.5°C | 22 mm | 76% | 1.2 m/s | — |
| 1982 | 12.7°C | 7.9°C | 3.1°C | 17.0°C | 1.1°C | 29 mm | 79% | 1.2 m/s | — |
| 1981 | 13.9°C | 9.3°C | 4.6°C | 16.0°C | 1.8°C | 8 mm | 83% | 1.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 13.5°C with lows near 4.5°C (mean 9°C), based on 45 years of NASA POWER data.
October averages 47 mm of rainfall in East Sikkim, one of the drier months. The wettest on record was 201 mm in 2021.
The hottest October reached 18.9°C in 1983. The coldest dipped to -0.9°C in 1999.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.1°C. Daytime highs moved from 13.5°C to 13.7°C and overnight lows from 4.2°C to 6°C over the same span.
October is one of the warmer months of the year in East Sikkim and one of the drier months, so plan for around 13.5°C daytime highs and 4.5°C at night.
Not quite — October is the 7th coolest month in East Sikkim, averaging 9°C.
For October in East Sikkim, pack warm layers and a jacket for chilly mornings, with typical highs of 13.5°C and lows of 4.5°C.
Relative humidity in October averages 81% — quite humid.
Average wind speed in October is 1.2 m/s. The windiest October on record averaged 1.4 m/s (1993).
The wettest October on record was 2021 with 201 mm. On average, October sees 47 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 October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
