August is one of the warmer months of the year in Katihar, with average highs near 34.8°C and lows around 24.8°C (mean 29.8°C). It is a relatively wet time of year, averaging 207 mm of rainfall and 84% relative humidity across the period.
August is one of the warmer months of the year in Katihar. Across 45 years of records, the warmest August in Katihar was 1994 — when the month averaged 32.6°C — while the coldest were 1998, 1999 and 2012 at 28.9°C. Typical August days reach 34.8°C with nights near 24.8°C. The long-term trend is cooling, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.0°C | 30.4°C | 29.6°C | 29.6°C | 29.4°C | -0.6°C |
| Avg High | 35.3°C | 36.0°C | 34.4°C | 34.2°C | 34.1°C | -1.2°C |
| Avg Low | 24.8°C | 24.7°C | 24.9°C | 24.9°C | 24.7°C | -0.1°C |
| Avg Rain | 154 mm | 178 mm | 215 mm | 224 mm | 297 mm | +143 mm |
August temperatures in Katihar have fallen by about 0.5°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 23.5°C (1999) to a record high of 39.6°C (1992).
Rainfall in August is a relatively wet time of year, averaging 207 mm, with a wettest year of 492 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A quieter season to visit Katihar
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Katihar. That said, August — with days averaging 34.8°C and nights around 24.8°C (mean 29.8°C) and higher rainfall (207 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.8°C | 24.3°C | 29.0°C | 277 mm | 87% | 2 m/s | 4.3 |
| 2024 | 33.5°C | 24.5°C | 29.0°C | 304 mm | 87% | 2.3 m/s | 4.8 |
| 2023 🌧️ | 34.0°C | 25.0°C | 29.5°C | 492 mm | 86% | 2.2 m/s | 3.9 |
| 2022 | 35.7°C | 24.9°C | 30.3°C | 153 mm | 81% | 2.6 m/s | 4.7 |
| 2021 | 33.3°C | 24.7°C | 29.0°C | 342 mm | 89% | 1.9 m/s | 4.2 |
| 2020 | 34.0°C | 24.9°C | 29.5°C | 213 mm | 88% | 2.2 m/s | 4.6 |
| 2019 | 35.4°C | 25.6°C | 30.5°C | 140 mm | 86% | 2.2 m/s | 5.1 |
| 2018 | 34.2°C | 24.9°C | 29.5°C | 224 mm | 87% | 1.9 m/s | 4.6 |
| 2017 | 33.5°C | 25.0°C | 29.3°C | 335 mm | 88% | 1.9 m/s | 4.3 |
| 2016 | 34.8°C | 24.8°C | 29.8°C | 116 mm | 85% | 2.4 m/s | 5.3 |
| 2015 | 34.7°C | 24.7°C | 29.7°C | 250 mm | 84% | 2 m/s | 4.1 |
| 2014 | 33.5°C | 25.2°C | 29.3°C | 205 mm | 86% | 1.9 m/s | 4.3 |
| 2013 | 34.2°C | 24.8°C | 29.5°C | 227 mm | 85% | 1.8 m/s | 4.6 |
| 2012 | 33.0°C | 24.8°C | 28.9°C | 128 mm | 85% | 1.5 m/s | 5.1 |
| 2011 | 34.4°C | 24.2°C | 29.3°C | 376 mm | 88% | 2.3 m/s | 4.5 |
| 2010 | 34.8°C | 25.0°C | 29.9°C | 236 mm | 85% | 1.8 m/s | 4.8 |
| 2009 | 34.2°C | 24.6°C | 29.4°C | 378 mm | 87% | 2 m/s | 4.2 |
| 2008 | 34.7°C | 25.0°C | 29.9°C | 269 mm | 87% | 2.1 m/s | 4.4 |
| 2007 | 34.4°C | 24.4°C | 29.4°C | 182 mm | 87% | 1.9 m/s | 4.8 |
| 2006 | 34.8°C | 24.8°C | 29.8°C | 124 mm | 84% | 2.4 m/s | 4.9 |
| 2005 | 34.2°C | 24.9°C | 29.6°C | 368 mm | 86% | 2 m/s | 4.1 |
| 2004 | 33.0°C | 25.1°C | 29.0°C | 187 mm | 88% | 2.6 m/s | 4.9 |
| 2003 | 34.5°C | 25.8°C | 30.1°C | 83 mm | 84% | 2.5 m/s | 5.1 |
| 2002 | 33.8°C | 24.2°C | 29.0°C | 260 mm | 88% | 2.7 m/s | 4.5 |
| 2001 | 35.2°C | 25.0°C | 30.1°C | 135 mm | 84% | 2.1 m/s | 4.9 |
| 2000 | 34.8°C | 25.1°C | 30.0°C | 166 mm | 84% | 2.3 m/s | 4.6 |
| 1999 | 34.3°C | 23.5°C | 28.9°C | 368 mm | 87% | 2.3 m/s | 3.9 |
| 1998 ❄️ | 32.5°C | 25.2°C | 28.9°C | 260 mm | 89% | 2 m/s | 3.9 |
| 1997 | 34.6°C | 24.7°C | 29.6°C | 185 mm | 86% | 2.4 m/s | 4.6 |
| 1996 | 34.6°C | 24.2°C | 29.4°C | 147 mm | 83% | 2.2 m/s | 4.6 |
| 1995 | 35.7°C | 25.0°C | 30.3°C | 219 mm | 82% | 2.4 m/s | 4.9 |
| 1994 🔥 | 39.5°C | 25.7°C | 32.6°C | 113 mm | 71% | 2.7 m/s | 4.8 |
| 1993 | 37.5°C | 24.1°C | 30.8°C | 106 mm | 71% | 2.6 m/s | 3.9 |
| 1992 | 39.6°C | 24.6°C | 32.1°C | 108 mm | 71% | 2.5 m/s | 4.7 |
| 1991 | 36.8°C | 25.4°C | 31.1°C | 147 mm | 77% | 2.5 m/s | 4.3 |
| 1990 | 35.1°C | 24.7°C | 29.9°C | 125 mm | 83% | 2.1 m/s | 5.1 |
| 1989 | 38.0°C | 24.3°C | 31.1°C | 58 mm | 74% | 2.3 m/s | 4.9 |
| 1988 | 36.0°C | 24.9°C | 30.5°C | 186 mm | 80% | 2.2 m/s | 3.8 |
| 1987 | 34.1°C | 24.9°C | 29.5°C | 267 mm | 87% | 2.1 m/s | 4.1 |
| 1986 | 34.9°C | 24.3°C | 29.6°C | 124 mm | 81% | 2.2 m/s | 5.3 |
| 1985 | 35.7°C | 25.0°C | 30.3°C | 112 mm | 81% | 2.1 m/s | 4.8 |
| 1984 | 34.2°C | 25.1°C | 29.6°C | 143 mm | 84% | 2.5 m/s | 4.8 |
| 1983 | 37.3°C | 24.7°C | 31.0°C | 128 mm | 78% | 2.7 m/s | — |
| 1982 | 34.2°C | 24.9°C | 29.5°C | 125 mm | 85% | 3.1 m/s | — |
| 1981 | 33.1°C | 25.2°C | 29.1°C | 246 mm | 88% | 2.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 34.8°C with lows near 24.8°C (mean 29.8°C), based on 45 years of NASA POWER data.
August averages 207 mm of rainfall in Katihar, a relatively wet time of year. The wettest on record was 492 mm in 2023.
The hottest August reached 39.6°C in 1992. The coldest dipped to 23.5°C in 1999.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 0.5°C. Daytime highs moved from 34.9°C to 34.1°C and overnight lows from 25°C to 24.7°C over the same span.
August is one of the warmer months of the year in Katihar and a relatively wet time of year, so plan for around 34.8°C daytime highs and 24.8°C at night.
Not quite — August is the 8th coolest month in Katihar, averaging 29.8°C.
For August in Katihar, pack light, breathable clothing and sun protection, with typical highs of 34.8°C and lows of 24.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 84% — quite humid.
Average wind speed in August is 2.2 m/s. The windiest August on record averaged 3.1 m/s (1982).
The wettest August on record was 2023 with 492 mm. On average, August sees 207 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 Katihar 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.
