January is one of the cooler months of the year in Bongaigaon, with average highs near 21.7°C and lows around 10.7°C (mean 16.2°C). It is one of the drier months, averaging 7 mm of rainfall and 72% relative humidity across the period.
January is one of the cooler months of the year in Bongaigaon. Across 45 years of records, the warmest January in Bongaigaon was 2015 — when the month averaged 18.3°C — while the coldest was 2011 at 14.5°C. Typical January days reach 21.7°C with nights near 10.7°C. The long-term trend is warming, about 0.2°C per decade.
January is one of the drier months in Bongaigaon, averaging 7 mm of rainfall. The wettest January on record was 1993 with 45 mm, while the driest were 2006, 2010 and 2023, among others at 0 mm.
Relative humidity in Bongaigaon during January averages 72%. The most humid January was 2020 at 80%, and the least humid was 1995 at 54%.
January receives about 3.5 kWh/m²/day of solar energy in Bongaigaon. The sunniest January was 2019 at 4 kWh/m²/day, and the cloudiest was 2021 at 3.
Average wind speed in Bongaigaon during January is 1.3 m/s. The windiest January was 1983 at 1.5 m/s, while the calmest were 2006, 2021 and 2024, among others at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.2°C | 16.1°C | 15.7°C | 16.6°C | 16.8°C | +0.6°C |
| Avg High | 22.0°C | 22.0°C | 21.0°C | 21.8°C | 21.7°C | -0.3°C |
| Avg Low | 10.3°C | 10.1°C | 10.5°C | 11.3°C | 11.9°C | +1.6°C |
| Avg Rain | 6 mm | 9 mm | 8 mm | 4 mm | 5 mm | -1 mm |
January temperatures in Bongaigaon have risen by about 1°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 4.5°C (2013) to a record high of 26.6°C (1990).
Rainfall in January is one of the drier months, averaging 7 mm, with a wettest year of 45 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Bongaigaon
January is a good time to visit Bongaigaon, with days averaging 21.7°C and nights around 10.7°C (mean 16.2°C, cooler than Bongaigaon's yearly average) and low rainfall. November and March are marginally more temperate, but January still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 21.9°C | 16.9°C | 11.9°C | 23.1°C | 9.0°C | 3 mm | 78% | 1.3 m/s | 3.2 |
| 2024 | 22.1°C | 16.8°C | 11.6°C | 23.8°C | 9.2°C | 1 mm | 74% | 1.1 m/s | 3.3 |
| 2023 | 21.9°C | 16.8°C | 11.7°C | 26.0°C | 8.0°C | 0 mm | 77% | 1.2 m/s | 3.5 |
| 2022 | 21.4°C | 16.9°C | 12.4°C | 23.6°C | 8.8°C | 13 mm | 79% | 1.2 m/s | 3.3 |
| 2021 | 21.7°C | 17.0°C | 12.3°C | 23.6°C | 8.4°C | 2 mm | 80% | 1.1 m/s | 3 |
| 2020 | 21.0°C | 16.1°C | 11.3°C | 23.3°C | 8.0°C | 10 mm | 80% | 1.3 m/s | 3.1 |
| 2019 | 22.4°C | 17.2°C | 12.0°C | 26.2°C | 9.9°C | 1 mm | 71% | 1.3 m/s | 4 |
| 2018 | 22.0°C | 16.5°C | 11.1°C | 24.2°C | 7.6°C | 0 mm | 75% | 1.2 m/s | 3.3 |
| 2017 | 23.3°C | 18.1°C | 12.9°C | 26.4°C | 8.9°C | 1 mm | 73% | 1.2 m/s | 3.8 |
| 2016 | 22.1°C | 17.2°C | 12.2°C | 24.1°C | 9.0°C | 10 mm | 74% | 1.2 m/s | 3.1 |
| 2015 🔥 | 23.3°C | 18.3°C | 13.2°C | 26.3°C | 10.0°C | 12 mm | 75% | 1.2 m/s | 3.6 |
| 2014 | 22.3°C | 17.2°C | 12.1°C | 24.9°C | 9.0°C | 1 mm | 79% | 1.2 m/s | 3.6 |
| 2013 | 21.4°C | 15.7°C | 10.0°C | 24.7°C | 4.5°C | 0 mm | 71% | 1.2 m/s | 3.8 |
| 2012 | 20.1°C | 15.0°C | 9.9°C | 22.0°C | 7.3°C | 13 mm | 77% | 1.3 m/s | 3.1 |
| 2011 ❄️ | 19.8°C | 14.5°C | 9.2°C | 22.6°C | 6.3°C | 2 mm | 77% | 1.3 m/s | 3.3 |
| 2010 | 21.4°C | 16.0°C | 10.6°C | 23.1°C | 8.3°C | 0 mm | 73% | 1.2 m/s | 3.8 |
| 2009 | 21.9°C | 16.8°C | 11.8°C | 23.5°C | 10.2°C | 0 mm | 80% | 1.2 m/s | 3.3 |
| 2008 | 20.5°C | 15.6°C | 10.7°C | 23.2°C | 7.0°C | 31 mm | 78% | 1.2 m/s | 3.2 |
| 2007 | 21.2°C | 15.7°C | 10.2°C | 25.5°C | 6.8°C | 1 mm | 70% | 1.2 m/s | 3.5 |
| 2006 | 20.9°C | 15.6°C | 10.4°C | 23.6°C | 8.9°C | 0 mm | 77% | 1.1 m/s | 3.6 |
| 2005 | 20.3°C | 15.4°C | 10.5°C | 22.3°C | 8.3°C | 13 mm | 80% | 1.2 m/s | 3.3 |
| 2004 | 20.8°C | 15.7°C | 10.6°C | 22.0°C | 7.2°C | 10 mm | 76% | 1.3 m/s | 3.5 |
| 2003 | 20.4°C | 14.8°C | 9.3°C | 22.5°C | 6.3°C | 7 mm | 71% | 1.2 m/s | 3.4 |
| 2002 | 21.9°C | 16.7°C | 11.5°C | 23.8°C | 7.8°C | 10 mm | 71% | 1.3 m/s | 3.4 |
| 2001 | 20.6°C | 15.1°C | 9.5°C | 22.7°C | 6.7°C | 1 mm | 71% | 1.1 m/s | 3.5 |
| 2000 | 21.5°C | 16.0°C | 10.5°C | 23.2°C | 7.9°C | 4 mm | 70% | 1.3 m/s | 3.7 |
| 1999 | 22.0°C | 16.2°C | 10.5°C | 24.1°C | 8.3°C | 0 mm | 65% | 1.3 m/s | 3.8 |
| 1998 | 21.4°C | 15.3°C | 9.2°C | 24.7°C | 6.7°C | 2 mm | 65% | 1.3 m/s | 3.4 |
| 1997 | 22.7°C | 16.3°C | 9.9°C | 24.8°C | 7.2°C | 7 mm | 57% | 1.2 m/s | 3.5 |
| 1996 | 21.6°C | 15.9°C | 10.2°C | 23.1°C | 6.7°C | 8 mm | 71% | 1.3 m/s | 3.2 |
| 1995 | 23.2°C | 16.8°C | 10.3°C | 25.5°C | 8.3°C | 8 mm | 54% | 1.4 m/s | 3.5 |
| 1994 | 22.3°C | 16.7°C | 11.0°C | 24.9°C | 8.0°C | 14 mm | 70% | 1.2 m/s | 3.8 |
| 1993 🌧️ | 21.3°C | 15.3°C | 9.3°C | 24.9°C | 6.2°C | 45 mm | 65% | 1.4 m/s | 3.1 |
| 1992 | 21.3°C | 15.5°C | 9.6°C | 24.6°C | 6.0°C | 7 mm | 71% | 1.3 m/s | 3.8 |
| 1991 | 21.1°C | 15.5°C | 9.8°C | 25.2°C | 7.4°C | 2 mm | 70% | 1.4 m/s | 3.7 |
| 1990 | 23.1°C | 17.0°C | 11.0°C | 26.6°C | 7.2°C | 2 mm | 68% | 1.3 m/s | 3.7 |
| 1989 | 20.7°C | 14.7°C | 8.7°C | 22.7°C | 5.6°C | 4 mm | 68% | 1.3 m/s | 3.7 |
| 1988 | 22.6°C | 16.8°C | 11.0°C | 23.6°C | 8.8°C | 5 mm | 68% | 1.3 m/s | 3.7 |
| 1987 | 23.5°C | 17.3°C | 11.2°C | 26.2°C | 8.9°C | 7 mm | 62% | 1.3 m/s | 3.9 |
| 1986 | 23.2°C | 17.0°C | 10.8°C | 25.2°C | 8.5°C | 1 mm | 63% | 1.3 m/s | 3.9 |
| 1985 | 21.5°C | 15.9°C | 10.2°C | 24.6°C | 7.6°C | 0 mm | 70% | 1.4 m/s | 3.7 |
| 1984 | 21.2°C | 15.0°C | 8.8°C | 23.7°C | 6.7°C | 8 mm | 63% | 1.4 m/s | 3.4 |
| 1983 | 21.3°C | 15.4°C | 9.5°C | 24.7°C | 7.6°C | 4 mm | 66% | 1.5 m/s | — |
| 1982 | 22.6°C | 17.0°C | 11.4°C | 24.5°C | 9.7°C | 3 mm | 75% | 1.3 m/s | — |
| 1981 | 21.4°C | 16.3°C | 11.2°C | 22.9°C | 8.5°C | 23 mm | 75% | 1.4 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 21.7°C with lows near 10.7°C (mean 16.2°C), based on 45 years of NASA POWER data.
January averages 7 mm of rainfall in Bongaigaon, one of the drier months. The wettest on record was 45 mm in 1993.
The hottest January reached 26.6°C in 1990. The coldest dipped to 4.5°C in 2013.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1°C. Daytime highs moved from 21.6°C to 21.8°C and overnight lows from 10.2°C to 12°C over the same span.
January is one of the cooler months of the year in Bongaigaon and one of the drier months, so plan for around 21.7°C daytime highs and 10.7°C at night.
Yes — January is the coldest month of the year in Bongaigaon, averaging 16.2°C.
For January in Bongaigaon, pack light layers you can adjust through the day, with typical highs of 21.7°C and lows of 10.7°C.
Relative humidity in January averages 72% — moderately humid.
Average wind speed in January is 1.3 m/s. The windiest January on record averaged 1.5 m/s (1983).
The wettest January on record was 1993 with 45 mm. On average, January sees 7 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 Bongaigaon behaves each January, 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 January specifically, along with year-by-year records and how the month has changed over the decades.
