August is one of the warmer months of the year in Shimla, with average highs near 29.6°C and lows around 22.6°C (mean 26.1°C). It is a relatively wet time of year, averaging 261 mm of rainfall and 78% relative humidity across the period.
August is one of the warmer months of the year in Shimla. Across 45 years of records, the warmest August in Shimla was 1987 — when the month averaged 29.7°C — while the coldest were 2008 and 2013 at 24.8°C. Typical August days reach 29.6°C with nights near 22.6°C. The long-term trend is cooling, about 0.3°C per decade.
August is a relatively wet time of year in Shimla, averaging 261 mm of rainfall. The wettest August on record was 2025 with 511 mm, while the driest was 2000 at 104 mm.
Relative humidity in Shimla during August averages 78%. The most humid August was 2023 at 90%, and the least humid was 1987 at 49%.
August receives about 4.6 kWh/m²/day of solar energy in Shimla. The sunniest August was 2005 at 5.3 kWh/m²/day, and the cloudiest were 2012 and 2025 at 3.8.
Average wind speed in Shimla during August is 1.5 m/s. The windiest August was 2023 at 1.9 m/s, while the calmest were 2004, 2006 and 2024, among others at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.8°C | 26.0°C | 26.2°C | 25.7°C | 25.5°C | -1.3°C |
| Avg High | 30.9°C | 29.7°C | 29.8°C | 28.8°C | 28.5°C | -2.4°C |
| Avg Low | 22.8°C | 22.4°C | 22.6°C | 22.6°C | 22.7°C | -0.1°C |
| Avg Rain | 155 mm | 279 mm | 241 mm | 305 mm | 350 mm | +195 mm |
August temperatures in Shimla have fallen by about 0.9°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 19.6°C (1996) to a record high of 39.2°C (1987).
Rainfall in August is a relatively wet time of year, averaging 261 mm, with a wettest year of 511 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.6°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A quieter season to visit Shimla
If your dates are flexible, the more temperate months of October and April tend to be the most comfortable for visiting Shimla. That said, August — with days averaging 29.6°C and nights around 22.6°C (mean 26.1°C) and higher rainfall (261 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 27.5°C | 25.0°C | 22.6°C | 29.4°C | 21.4°C | 511 mm | 89% | 1.6 m/s | 3.8 |
| 2024 | 28.4°C | 25.8°C | 23.2°C | 30.5°C | 22.0°C | 370 mm | 87% | 1.3 m/s | 4.5 |
| 2023 | 28.1°C | 25.2°C | 22.3°C | 29.8°C | 20.2°C | 441 mm | 90% | 1.9 m/s | 4.9 |
| 2022 | 28.5°C | 25.5°C | 22.6°C | 30.3°C | 21.6°C | 277 mm | 87% | 1.6 m/s | 4.9 |
| 2021 | 28.9°C | 25.6°C | 22.3°C | 30.0°C | 20.8°C | 201 mm | 81% | 1.4 m/s | 5 |
| 2020 | 29.3°C | 26.1°C | 22.9°C | 31.6°C | 21.1°C | 300 mm | 85% | 1.6 m/s | 4.8 |
| 2019 | 28.9°C | 25.7°C | 22.5°C | 30.2°C | 20.0°C | 328 mm | 83% | 1.4 m/s | 4.6 |
| 2018 | 28.2°C | 25.3°C | 22.4°C | 29.4°C | 20.7°C | 372 mm | 86% | 1.6 m/s | 4.4 |
| 2017 | 28.6°C | 25.5°C | 22.3°C | 30.4°C | 20.8°C | 325 mm | 84% | 1.4 m/s | 4.7 |
| 2016 | 28.6°C | 25.6°C | 22.6°C | 30.8°C | 21.2°C | 241 mm | 82% | 1.4 m/s | 4.3 |
| 2015 | 28.5°C | 25.4°C | 22.3°C | 29.8°C | 20.8°C | 242 mm | 82% | 1.6 m/s | 4.9 |
| 2014 | 32.1°C | 27.7°C | 23.3°C | 33.8°C | 20.7°C | 179 mm | 63% | 1.6 m/s | 5.2 |
| 2013 | 27.3°C | 24.8°C | 22.3°C | 29.0°C | 21.3°C | 406 mm | 87% | 1.5 m/s | 4.1 |
| 2012 | 29.3°C | 26.2°C | 23.1°C | 33.7°C | 21.6°C | 290 mm | 79% | 1.4 m/s | 3.8 |
| 2011 | 28.2°C | 25.2°C | 22.3°C | 31.5°C | 20.2°C | 355 mm | 85% | 1.4 m/s | 4.3 |
| 2010 | 28.4°C | 25.5°C | 22.6°C | 30.3°C | 20.5°C | 309 mm | 85% | 1.4 m/s | 4.1 |
| 2009 | 30.7°C | 26.9°C | 23.1°C | 32.9°C | 20.0°C | 189 mm | 72% | 1.5 m/s | 5 |
| 2008 ❄️ | 27.7°C | 24.8°C | 21.8°C | 29.3°C | 20.1°C | 375 mm | 86% | 1.4 m/s | 4.2 |
| 2007 | 29.6°C | 26.3°C | 23.0°C | 31.9°C | 20.8°C | 309 mm | 79% | 1.4 m/s | 4.6 |
| 2006 | 29.3°C | 25.9°C | 22.5°C | 32.0°C | 20.5°C | 171 mm | 79% | 1.3 m/s | 4.3 |
| 2005 | 31.1°C | 26.9°C | 22.7°C | 32.3°C | 19.9°C | 149 mm | 68% | 1.5 m/s | 5.3 |
| 2004 | 28.6°C | 25.4°C | 22.1°C | 30.5°C | 20.4°C | 412 mm | 80% | 1.3 m/s | 4.5 |
| 2003 | 29.1°C | 25.8°C | 22.6°C | 30.9°C | 20.2°C | 266 mm | 81% | 1.4 m/s | 4.6 |
| 2002 | 32.1°C | 27.6°C | 23.2°C | 37.3°C | 21.8°C | 205 mm | 64% | 1.5 m/s | 4.1 |
| 2001 | 29.6°C | 26.0°C | 22.3°C | 30.8°C | 20.4°C | 227 mm | 77% | 1.4 m/s | 4.9 |
| 2000 | 30.3°C | 26.5°C | 22.7°C | 32.1°C | 20.0°C | 104 mm | 72% | 1.4 m/s | 5.2 |
| 1999 | 31.8°C | 27.2°C | 22.7°C | 33.9°C | 20.3°C | 128 mm | 65% | 1.5 m/s | 4.9 |
| 1998 | 30.3°C | 26.5°C | 22.8°C | 32.3°C | 21.6°C | 279 mm | 78% | 1.3 m/s | 4.9 |
| 1997 | 28.9°C | 25.4°C | 21.9°C | 31.5°C | 20.2°C | 346 mm | 79% | 1.6 m/s | 4.5 |
| 1996 | 28.3°C | 25.1°C | 21.9°C | 30.2°C | 19.6°C | 344 mm | 82% | 1.4 m/s | 4.6 |
| 1995 | 28.4°C | 25.4°C | 22.3°C | 31.7°C | 20.9°C | 388 mm | 85% | 1.4 m/s | 4.4 |
| 1994 | 28.4°C | 25.4°C | 22.4°C | 30.7°C | 20.3°C | 431 mm | 86% | 1.4 m/s | 4.4 |
| 1993 | 30.9°C | 26.4°C | 21.8°C | 32.6°C | 20.5°C | 139 mm | 68% | 1.6 m/s | 5.1 |
| 1992 | 29.8°C | 26.1°C | 22.5°C | 33.4°C | 20.8°C | 264 mm | 76% | 1.3 m/s | 4.1 |
| 1991 | 30.3°C | 26.4°C | 22.6°C | 35.8°C | 20.6°C | 336 mm | 73% | 1.4 m/s | 4.9 |
| 1990 | 30.0°C | 26.3°C | 22.6°C | 33.5°C | 19.8°C | 136 mm | 77% | 1.5 m/s | 4.3 |
| 1989 | 31.5°C | 26.8°C | 22.1°C | 33.8°C | 19.7°C | 145 mm | 65% | 1.5 m/s | 5 |
| 1988 | 29.9°C | 26.0°C | 22.1°C | 32.9°C | 19.7°C | 163 mm | 77% | 1.5 m/s | 4.6 |
| 1987 🔥 | 35.2°C | 29.7°C | 24.1°C | 39.2°C | 21.6°C | 111 mm | 49% | 1.6 m/s | 5.1 |
| 1986 | 32.1°C | 27.3°C | 22.6°C | 35.8°C | 20.8°C | 117 mm | 64% | 1.8 m/s | 4.8 |
| 1985 | 28.3°C | 25.3°C | 22.3°C | 29.8°C | 20.8°C | 223 mm | 82% | 1.5 m/s | 4.5 |
| 1984 | 29.6°C | 26.3°C | 22.9°C | 33.1°C | 21.3°C | 201 mm | 77% | 1.4 m/s | 4.9 |
| 1983 | 32.3°C | 28.1°C | 23.9°C | 36.9°C | 22.6°C | 131 mm | 66% | 1.6 m/s | — |
| 1982 | 30.1°C | 26.4°C | 22.7°C | 32.2°C | 20.5°C | 137 mm | 74% | 1.5 m/s | — |
| 1981 | 29.0°C | 25.6°C | 22.1°C | 30.8°C | 19.8°C | 164 mm | 83% | 1.7 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 29.6°C with lows near 22.6°C (mean 26.1°C), based on 45 years of NASA POWER data.
August averages 261 mm of rainfall in Shimla, a relatively wet time of year. The wettest on record was 511 mm in 2025.
The hottest August reached 39.2°C in 1987. The coldest dipped to 19.6°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 0.9°C. Daytime highs moved from 29.9°C to 28.3°C and overnight lows from 22.8°C to 22.6°C over the same span.
August is one of the warmer months of the year in Shimla and a relatively wet time of year, so plan for around 29.6°C daytime highs and 22.6°C at night.
Not quite — August is the 9th coolest month in Shimla, averaging 26.1°C.
For August in Shimla, pack light layers you can adjust through the day, with typical highs of 29.6°C and lows of 22.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 78% — quite humid.
Average wind speed in August is 1.5 m/s. The windiest August on record averaged 1.9 m/s (2023).
The wettest August on record was 2025 with 511 mm. On average, August sees 261 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 Shimla 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.
