August is one of the warmer months of the year in East Sikkim, with average highs near 17.3°C and lows around 9.8°C (mean 13.6°C). It is a relatively wet time of year, averaging 213 mm of rainfall and 89% relative humidity across the period.
August is one of the warmer months of the year in East Sikkim. Across 45 years of records, the warmest Augusts in East Sikkim were 2003 and 2023 — when the month averaged 14.2°C — while the coldest was 1987 at 12.7°C. Typical August days reach 17.3°C with nights near 9.8°C. The long-term August temperature trend is broadly flat.
August is a relatively wet time of year in East Sikkim, averaging 213 mm of rainfall. The wettest August on record was 2018 with 384 mm, while the driest was 1989 at 97 mm.
Relative humidity in East Sikkim during August averages 89%. The most humid August was 2021 at 93%, and the least humid was 2006 at 85%.
August receives about 4.1 kWh/m²/day of solar energy in East Sikkim. The sunniest August was 1995 at 4.9 kWh/m²/day, and the cloudiest was 1987 at 3.4.
Average wind speed in East Sikkim during August is 1.7 m/s. The windiest August was 2015 at 1.9 m/s, while the calmest were 2011, 2012 and 2024, among others at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.3°C | 13.5°C | 13.7°C | 13.6°C | 13.9°C | +0.6°C |
| Avg High | 17.2°C | 17.4°C | 17.6°C | 17.0°C | 17.2°C | 0°C |
| Avg Low | 9.4°C | 9.6°C | 9.9°C | 10.1°C | 10.5°C | +1.1°C |
| Avg Rain | 164 mm | 175 mm | 179 mm | 260 mm | 325 mm | +161 mm |
August temperatures in East Sikkim have risen by about 0.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 6.6°C (1986) to a record high of 20.9°C (1983).
Rainfall in August is a relatively wet time of year, averaging 213 mm, with a wettest year of 384 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.
One of the best times to visit East Sikkim
August is one of the best times to visit East Sikkim. Expect days averaging 17.3°C and nights around 9.8°C (mean 13.6°C) — warmer than East Sikkim's yearly average — with higher rainfall (213 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 17.4°C | 13.9°C | 10.4°C | 19.2°C | 8.6°C | 295 mm | 91% | 1.7 m/s | 3.9 |
| 2024 | 17.4°C | 13.7°C | 10.1°C | 19.6°C | 8.7°C | 277 mm | 90% | 1.5 m/s | 4.2 |
| 2023 | 17.4°C | 14.2°C | 11.0°C | 19.9°C | 8.6°C | 380 mm | 93% | 1.7 m/s | 3.6 |
| 2022 | 17.3°C | 13.9°C | 10.5°C | 19.6°C | 8.6°C | 342 mm | 91% | 1.6 m/s | 4.2 |
| 2021 | 16.5°C | 13.5°C | 10.4°C | 18.2°C | 8.0°C | 352 mm | 93% | 1.7 m/s | 3.7 |
| 2020 | 17.4°C | 13.9°C | 10.4°C | 19.5°C | 8.1°C | 304 mm | 91% | 1.6 m/s | 4.3 |
| 2019 | 17.4°C | 13.9°C | 10.4°C | 19.0°C | 8.1°C | 263 mm | 90% | 1.6 m/s | 4.5 |
| 2018 🌧️ | 17.1°C | 13.7°C | 10.3°C | 18.6°C | 8.7°C | 384 mm | 91% | 1.6 m/s | 4.1 |
| 2017 | 16.7°C | 13.7°C | 10.6°C | 18.9°C | 8.7°C | 359 mm | 92% | 1.7 m/s | 3.8 |
| 2016 | 17.0°C | 13.6°C | 10.2°C | 18.2°C | 8.5°C | 187 mm | 90% | 1.6 m/s | 4.5 |
| 2015 | 16.6°C | 13.4°C | 10.3°C | 20.1°C | 8.3°C | 263 mm | 92% | 1.9 m/s | 3.8 |
| 2014 | 16.8°C | 13.6°C | 10.3°C | 18.8°C | 8.8°C | 185 mm | 91% | 1.8 m/s | 3.9 |
| 2013 | 17.0°C | 13.3°C | 9.6°C | 19.0°C | 8.4°C | 255 mm | 88% | 1.6 m/s | 4.2 |
| 2012 | 17.9°C | 13.9°C | 9.8°C | 19.3°C | 8.7°C | 186 mm | 87% | 1.5 m/s | 4.3 |
| 2011 | 16.8°C | 13.0°C | 9.2°C | 18.5°C | 7.3°C | 253 mm | 89% | 1.5 m/s | 4.1 |
| 2010 | 17.0°C | 13.6°C | 10.2°C | 18.8°C | 7.8°C | 270 mm | 91% | 1.7 m/s | 3.8 |
| 2009 | 17.1°C | 13.6°C | 10.1°C | 19.0°C | 8.1°C | 241 mm | 90% | 1.8 m/s | 3.9 |
| 2008 | 16.6°C | 13.1°C | 9.7°C | 18.5°C | 7.6°C | 243 mm | 90% | 1.7 m/s | 3.7 |
| 2007 | 17.7°C | 13.9°C | 10.0°C | 19.8°C | 7.8°C | 155 mm | 88% | 1.6 m/s | 4.2 |
| 2006 | 18.1°C | 13.8°C | 9.4°C | 20.1°C | 8.3°C | 114 mm | 85% | 1.7 m/s | 4.5 |
| 2005 | 17.8°C | 14.0°C | 10.3°C | 20.1°C | 8.1°C | 246 mm | 89% | 1.7 m/s | 4.1 |
| 2004 | 17.5°C | 13.7°C | 9.9°C | 19.3°C | 8.0°C | 137 mm | 89% | 1.7 m/s | 4.2 |
| 2003 🔥 | 18.0°C | 14.2°C | 10.4°C | 20.1°C | 9.2°C | 117 mm | 89% | 1.7 m/s | 4.3 |
| 2002 | 17.6°C | 13.4°C | 9.2°C | 19.9°C | 7.8°C | 175 mm | 87% | 1.6 m/s | 4.2 |
| 2001 | 18.1°C | 14.0°C | 9.9°C | 19.8°C | 8.1°C | 171 mm | 87% | 1.7 m/s | 4.1 |
| 2000 | 17.5°C | 13.7°C | 9.8°C | 19.4°C | 8.2°C | 195 mm | 89% | 1.8 m/s | 3.9 |
| 1999 | 17.3°C | 13.5°C | 9.6°C | 20.4°C | 7.3°C | 253 mm | 88% | 1.7 m/s | 4.4 |
| 1998 | 16.8°C | 13.4°C | 10.0°C | 18.7°C | 8.0°C | 238 mm | 91% | 1.7 m/s | 3.8 |
| 1997 | 17.4°C | 13.3°C | 9.3°C | 20.0°C | 7.6°C | 162 mm | 87% | 1.6 m/s | 4.6 |
| 1996 | 17.3°C | 13.3°C | 9.3°C | 19.8°C | 7.6°C | 163 mm | 88% | 1.7 m/s | 4.1 |
| 1995 | 17.7°C | 13.6°C | 9.6°C | 19.1°C | 7.3°C | 143 mm | 87% | 1.8 m/s | 4.9 |
| 1994 | 18.5°C | 14.1°C | 9.8°C | 20.9°C | 8.4°C | 180 mm | 85% | 1.7 m/s | 4.1 |
| 1993 | 17.9°C | 13.9°C | 10.0°C | 19.7°C | 7.7°C | 116 mm | 87% | 1.8 m/s | 4 |
| 1992 | 17.3°C | 13.3°C | 9.3°C | 19.7°C | 7.4°C | 186 mm | 88% | 1.7 m/s | 4 |
| 1991 | 16.7°C | 13.0°C | 9.3°C | 19.0°C | 7.8°C | 198 mm | 88% | 1.6 m/s | 4 |
| 1990 | 17.2°C | 13.4°C | 9.5°C | 19.0°C | 7.9°C | 109 mm | 87% | 1.7 m/s | 4.3 |
| 1989 | 16.7°C | 12.9°C | 9.2°C | 17.9°C | 7.2°C | 97 mm | 89% | 1.7 m/s | 4.2 |
| 1988 | 16.7°C | 13.3°C | 9.8°C | 18.5°C | 7.9°C | 156 mm | 90% | 1.8 m/s | 3.7 |
| 1987 ❄️ | 16.3°C | 12.7°C | 9.1°C | 18.3°C | 6.9°C | 270 mm | 90% | 1.6 m/s | 3.4 |
| 1986 | 17.7°C | 13.4°C | 9.1°C | 20.2°C | 6.6°C | 117 mm | 86% | 1.7 m/s | 4.3 |
| 1985 | 17.8°C | 13.7°C | 9.6°C | 19.9°C | 7.5°C | 132 mm | 88% | 1.7 m/s | 4.1 |
| 1984 | 17.3°C | 13.2°C | 9.1°C | 19.7°C | 7.4°C | 176 mm | 87% | 1.5 m/s | 4.1 |
| 1983 | 17.7°C | 13.7°C | 9.7°C | 20.9°C | 7.5°C | 113 mm | 87% | 1.7 m/s | — |
| 1982 | 17.4°C | 13.4°C | 9.3°C | 18.8°C | 7.7°C | 154 mm | 87% | 1.7 m/s | — |
| 1981 | 16.9°C | 13.5°C | 10.1°C | 18.3°C | 8.6°C | 258 mm | 91% | 1.8 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 17.3°C with lows near 9.8°C (mean 13.6°C), based on 45 years of NASA POWER data.
August averages 213 mm of rainfall in East Sikkim, a relatively wet time of year. The wettest on record was 384 mm in 2018.
The hottest August reached 20.9°C in 1983. The coldest dipped to 6.6°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.3°C — but days and nights have moved in opposite directions. Overnight lows rose from 9.6°C to 10.5°C while daytime highs eased from 17.4°C to 17.2°C, narrowing the gap between day and night.
August is one of the warmer months of the year in East Sikkim and a relatively wet time of year, so plan for around 17.3°C daytime highs and 9.8°C at night.
Not quite — August is the 11th coolest month in East Sikkim, averaging 13.6°C.
For August in East Sikkim, pack light layers you can adjust through the day, with typical highs of 17.3°C and lows of 9.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 89% — quite humid.
Average wind speed in August is 1.7 m/s. The windiest August on record averaged 1.9 m/s (2015).
The wettest August on record was 2018 with 384 mm. On average, August sees 213 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 August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
