August is one of the warmer months of the year in Sirmaur, with average highs near 29.5°C and lows around 22.7°C (mean 26.1°C). It is a relatively wet time of year, averaging 342 mm of rainfall and 81% relative humidity across the period.
August is one of the warmer months of the year in Sirmaur. Across 45 years of records, the warmest August in Sirmaur was 1987 — when the month averaged 30°C — while the coldest was 2008 at 25.1°C. Typical August days reach 29.5°C with nights near 22.7°C. The long-term trend is cooling, about 0.2°C per decade.
August is a relatively wet time of year in Sirmaur, averaging 342 mm of rainfall. The wettest August on record was 2012 with 556 mm, while the driest was 1999 at 116 mm.
Relative humidity in Sirmaur during August averages 81%. The most humid August was 2025 at 89%, and the least humid was 1987 at 50%.
August receives about 4.7 kWh/m²/day of solar energy in Sirmaur. The sunniest August was 1993 at 5.5 kWh/m²/day, and the cloudiest was 2025 at 3.8.
Average wind speed in Sirmaur during August is 1.5 m/s. The windiest August was 2023 at 2 m/s, while the calmest were 1998 and 2006 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.6°C | 26.0°C | 26.1°C | 25.8°C | 25.9°C | -0.7°C |
| Avg High | 30.5°C | 29.5°C | 29.5°C | 28.8°C | 28.9°C | -1.6°C |
| Avg Low | 22.8°C | 22.5°C | 22.7°C | 22.8°C | 23.0°C | +0.2°C |
| Avg Rain | 227 mm | 360 mm | 330 mm | 418 mm | 374 mm | +147 mm |
August temperatures in Sirmaur have fallen by about 0.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 18.1°C (1988) to a record high of 40.3°C (1987).
Rainfall in August is a relatively wet time of year, averaging 342 mm, with a wettest year of 556 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Sirmaur
If your dates are flexible, the more temperate months of October and March tend to be the most comfortable for visiting Sirmaur. That said, August — with days averaging 29.5°C and nights around 22.7°C (mean 26.1°C) and higher rainfall (342 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 | 27.9°C | 25.4°C | 23.0°C | 30.0°C | 22.0°C | 536 mm | 89% | 1.5 m/s | 3.8 |
| 2024 | 28.6°C | 26.1°C | 23.5°C | 30.7°C | 22.7°C | 385 mm | 88% | 1.4 m/s | 4.8 |
| 2023 | 28.9°C | 25.8°C | 22.7°C | 30.8°C | 20.1°C | 466 mm | 89% | 2 m/s | 4.7 |
| 2022 | 29.2°C | 26.1°C | 22.9°C | 30.5°C | 22.0°C | 280 mm | 86% | 1.6 m/s | 5.1 |
| 2021 | 29.3°C | 25.9°C | 22.5°C | 31.1°C | 21.3°C | 269 mm | 83% | 1.5 m/s | 4.7 |
| 2020 | 29.3°C | 26.2°C | 23.1°C | 32.0°C | 21.3°C | 309 mm | 87% | 1.7 m/s | 4.4 |
| 2019 | 29.7°C | 26.4°C | 23.1°C | 31.8°C | 20.9°C | 300 mm | 81% | 1.5 m/s | 4.6 |
| 2018 | 28.6°C | 25.7°C | 22.8°C | 30.3°C | 21.4°C | 445 mm | 86% | 1.6 m/s | 4 |
| 2017 | 29.1°C | 25.9°C | 22.7°C | 31.0°C | 21.6°C | 342 mm | 84% | 1.5 m/s | 4.4 |
| 2016 | 28.8°C | 25.9°C | 23.0°C | 31.2°C | 21.6°C | 258 mm | 83% | 1.4 m/s | 4.5 |
| 2015 | 28.9°C | 25.7°C | 22.6°C | 30.2°C | 20.5°C | 374 mm | 84% | 1.7 m/s | 4.9 |
| 2014 | 30.6°C | 26.6°C | 22.6°C | 32.6°C | 20.2°C | 381 mm | 74% | 1.6 m/s | 5.4 |
| 2013 | 27.6°C | 25.2°C | 22.8°C | 29.6°C | 21.7°C | 496 mm | 88% | 1.5 m/s | 4.5 |
| 2012 🌧️ | 28.6°C | 25.8°C | 23.1°C | 32.8°C | 21.5°C | 556 mm | 85% | 1.4 m/s | 4 |
| 2011 | 27.8°C | 25.2°C | 22.6°C | 31.6°C | 21.7°C | 481 mm | 87% | 1.5 m/s | 4.6 |
| 2010 | 28.4°C | 25.6°C | 22.9°C | 30.1°C | 21.2°C | 545 mm | 87% | 1.5 m/s | 4.4 |
| 2009 | 30.1°C | 26.5°C | 22.8°C | 32.7°C | 19.8°C | 267 mm | 78% | 1.5 m/s | 5 |
| 2008 ❄️ | 27.8°C | 25.1°C | 22.3°C | 29.6°C | 19.7°C | 432 mm | 86% | 1.4 m/s | 4.6 |
| 2007 | 29.1°C | 26.0°C | 23.0°C | 30.7°C | 21.1°C | 520 mm | 84% | 1.4 m/s | 4.6 |
| 2006 | 29.1°C | 26.0°C | 23.0°C | 31.5°C | 21.2°C | 267 mm | 82% | 1.3 m/s | 5 |
| 2005 | 30.5°C | 26.3°C | 22.2°C | 31.9°C | 19.1°C | 262 mm | 76% | 1.6 m/s | 5.2 |
| 2004 | 28.6°C | 25.5°C | 22.4°C | 30.7°C | 20.3°C | 407 mm | 83% | 1.4 m/s | 4.4 |
| 2003 | 29.3°C | 26.1°C | 22.9°C | 31.0°C | 21.6°C | 342 mm | 83% | 1.5 m/s | 4.7 |
| 2002 | 30.7°C | 26.9°C | 23.0°C | 36.2°C | 20.7°C | 290 mm | 72% | 1.4 m/s | 4.3 |
| 2001 | 29.4°C | 25.8°C | 22.3°C | 30.6°C | 19.8°C | 348 mm | 81% | 1.4 m/s | 5.1 |
| 2000 | 30.7°C | 26.7°C | 22.8°C | 33.6°C | 20.3°C | 167 mm | 75% | 1.6 m/s | 5.1 |
| 1999 | 31.9°C | 27.2°C | 22.6°C | 34.1°C | 20.8°C | 116 mm | 67% | 1.5 m/s | 5 |
| 1998 | 29.3°C | 26.0°C | 22.8°C | 30.9°C | 21.4°C | 477 mm | 85% | 1.3 m/s | 4.4 |
| 1997 | 28.9°C | 25.5°C | 22.1°C | 31.9°C | 20.0°C | 316 mm | 81% | 1.6 m/s | 4.8 |
| 1996 | 28.3°C | 25.4°C | 22.4°C | 30.5°C | 20.3°C | 479 mm | 85% | 1.4 m/s | 4.5 |
| 1995 | 28.4°C | 25.5°C | 22.6°C | 31.0°C | 20.4°C | 413 mm | 86% | 1.6 m/s | 4.1 |
| 1994 | 28.5°C | 25.6°C | 22.8°C | 30.2°C | 21.3°C | 469 mm | 86% | 1.5 m/s | 4.6 |
| 1993 | 30.9°C | 26.3°C | 21.7°C | 32.9°C | 20.0°C | 363 mm | 73% | 1.6 m/s | 5.5 |
| 1992 | 29.3°C | 26.0°C | 22.7°C | 32.8°C | 21.4°C | 317 mm | 80% | 1.4 m/s | 3.9 |
| 1991 | 30.2°C | 26.4°C | 22.7°C | 35.6°C | 20.8°C | 467 mm | 77% | 1.4 m/s | 4.9 |
| 1990 | 28.9°C | 25.6°C | 22.4°C | 32.0°C | 20.6°C | 181 mm | 83% | 1.4 m/s | 4.6 |
| 1989 | 31.0°C | 26.7°C | 22.5°C | 34.0°C | 20.4°C | 217 mm | 69% | 1.4 m/s | 5.2 |
| 1988 | 29.0°C | 25.5°C | 22.0°C | 31.9°C | 18.1°C | 280 mm | 83% | 1.6 m/s | 4.8 |
| 1987 🔥 | 35.7°C | 30.0°C | 24.3°C | 40.3°C | 22.6°C | 145 mm | 50% | 1.7 m/s | 5.1 |
| 1986 | 30.8°C | 26.5°C | 22.2°C | 35.0°C | 19.6°C | 189 mm | 71% | 1.6 m/s | 5.1 |
| 1985 | 28.7°C | 25.6°C | 22.5°C | 30.0°C | 20.0°C | 327 mm | 84% | 1.5 m/s | 4.7 |
| 1984 | 29.9°C | 26.5°C | 23.1°C | 32.4°C | 21.6°C | 270 mm | 78% | 1.4 m/s | 4.9 |
| 1983 | 30.9°C | 27.3°C | 23.7°C | 35.5°C | 22.4°C | 207 mm | 76% | 1.5 m/s | — |
| 1982 | 29.2°C | 25.9°C | 22.6°C | 31.0°C | 19.5°C | 223 mm | 81% | 1.4 m/s | — |
| 1981 | 29.2°C | 25.8°C | 22.4°C | 30.9°C | 20.7°C | 189 mm | 84% | 1.7 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 29.5°C with lows near 22.7°C (mean 26.1°C), based on 45 years of NASA POWER data.
August averages 342 mm of rainfall in Sirmaur, a relatively wet time of year. The wettest on record was 556 mm in 2012.
The hottest August reached 40.3°C in 1987. The coldest dipped to 18.1°C in 1988.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 0.3°C. Daytime highs moved from 29.6°C to 28.8°C and overnight lows from 22.9°C to 22.9°C over the same span.
August is one of the warmer months of the year in Sirmaur and a relatively wet time of year, so plan for around 29.5°C daytime highs and 22.7°C at night.
Not quite — August is the 9th coolest month in Sirmaur, averaging 26.1°C.
For August in Sirmaur, pack light layers you can adjust through the day, with typical highs of 29.5°C and lows of 22.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 81% — quite humid.
Average wind speed in August is 1.5 m/s. The windiest August on record averaged 2 m/s (2023).
The wettest August on record was 2012 with 556 mm. On average, August sees 342 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 Sirmaur 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.
