January is one of the cooler months of the year in Patan, with average highs near 28.9°C and lows around 11.8°C (mean 20.4°C). It is one of the drier months, averaging 1 mm of rainfall and 29% relative humidity across the period.
January is one of the cooler months of the year in Patan. Across 45 years of records, the warmest January in Patan was 1990 — when the month averaged 23.2°C — while the coldest was 2020 at 17.7°C. Typical January days reach 28.9°C with nights near 11.8°C. The long-term trend is cooling, about 0.2°C per decade.
January is one of the drier months in Patan, averaging 1 mm of rainfall. The wettest January on record was 1997 with 7 mm, while the driest were 2021, 2024 and 2025, among others at 0 mm.
Relative humidity in Patan during January averages 29%. The most humid January was 2020 at 51%, and the least humid was 2001 at 20%.
January receives about 4.6 kWh/m²/day of solar energy in Patan. The sunniest Januarys were 1985 and 2011 at 5 kWh/m²/day, and the cloudiest was 2009 at 4.2.
Average wind speed in Patan during January is 2.1 m/s. The windiest January was 1985 at 2.6 m/s, while the calmest were 2016 and 2018 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.2°C | 21.1°C | 20.6°C | 20.1°C | 19.3°C | -0.9°C |
| Avg High | 28.9°C | 29.6°C | 29.2°C | 28.7°C | 27.7°C | -1.2°C |
| Avg Low | 11.5°C | 12.6°C | 12.1°C | 11.6°C | 11.0°C | -0.5°C |
| Avg Rain | 1 mm | 2 mm | 1 mm | 1 mm | 2 mm | +1 mm |
January temperatures in Patan have stayed relatively stable across the record.
January has ranged from a record low of 4.8°C (1991) to a record high of 36.6°C (1991).
Rainfall in January is one of the drier months, averaging 1 mm, with a wettest year of 7 mm.
One of the best times to visit Patan
January is one of the best times to visit Patan. Expect days averaging 28.9°C and nights around 11.8°C (mean 20.4°C) — cooler than Patan's yearly average — with low rainfall (1 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 | 29.2°C | 20.5°C | 11.9°C | 33.0°C | 8.1°C | 0 mm | 34% | 1.9 m/s | 4.6 |
| 2024 | 28.3°C | 20.2°C | 12.0°C | 30.9°C | 9.0°C | 0 mm | 37% | 1.8 m/s | 4.4 |
| 2023 | 27.4°C | 18.9°C | 10.5°C | 30.5°C | 6.6°C | 7 mm | 34% | 2 m/s | 4.5 |
| 2022 | 26.7°C | 18.9°C | 11.1°C | 31.4°C | 7.2°C | 3 mm | 45% | 1.9 m/s | 4.5 |
| 2021 | 28.6°C | 19.7°C | 10.7°C | 31.9°C | 7.6°C | 0 mm | 38% | 1.9 m/s | 4.3 |
| 2020 ❄️ | 25.7°C | 17.7°C | 9.7°C | 29.8°C | 5.7°C | 0 mm | 51% | 2 m/s | 4.4 |
| 2019 | 28.4°C | 19.9°C | 11.3°C | 32.5°C | 7.7°C | 1 mm | 24% | 2 m/s | 4.7 |
| 2018 | 30.3°C | 21.8°C | 13.3°C | 34.1°C | 10.1°C | 0 mm | 24% | 1.7 m/s | 4.7 |
| 2017 | 29.0°C | 20.6°C | 12.2°C | 33.4°C | 7.2°C | 0 mm | 30% | 2.1 m/s | 4.5 |
| 2016 | 30.1°C | 21.7°C | 13.4°C | 33.0°C | 8.8°C | 0 mm | 28% | 1.7 m/s | 4.6 |
| 2015 | 28.1°C | 19.8°C | 11.6°C | 31.4°C | 7.7°C | 5 mm | 34% | 2 m/s | 4.4 |
| 2014 | 27.4°C | 18.9°C | 10.4°C | 31.2°C | 6.8°C | 3 mm | 35% | 2 m/s | 4.3 |
| 2013 | 28.8°C | 19.8°C | 10.8°C | 32.4°C | 6.9°C | 2 mm | 25% | 2.2 m/s | 4.7 |
| 2012 | 27.1°C | 18.7°C | 10.3°C | 28.9°C | 6.7°C | 0 mm | 30% | 2.2 m/s | 4.6 |
| 2011 | 27.3°C | 18.5°C | 9.8°C | 30.1°C | 6.1°C | 0 mm | 39% | 2 m/s | 5 |
| 2010 | 30.1°C | 21.4°C | 12.8°C | 32.1°C | 9.4°C | 1 mm | 24% | 2 m/s | 4.7 |
| 2009 | 30.0°C | 22.0°C | 14.1°C | 33.6°C | 10.9°C | 0 mm | 33% | 2.4 m/s | 4.2 |
| 2008 | 28.1°C | 19.6°C | 11.1°C | 33.3°C | 7.1°C | 0 mm | 23% | 2.4 m/s | 4.5 |
| 2007 | 29.3°C | 20.7°C | 12.1°C | 34.0°C | 8.5°C | 0 mm | 29% | 2 m/s | 4.6 |
| 2006 | 29.7°C | 20.9°C | 12.1°C | 34.1°C | 7.1°C | 2 mm | 24% | 2.1 m/s | 4.8 |
| 2005 | 27.6°C | 19.3°C | 11.1°C | 29.7°C | 7.4°C | 1 mm | 28% | 2.2 m/s | 4.5 |
| 2004 | 28.9°C | 20.8°C | 12.7°C | 32.8°C | 9.2°C | 3 mm | 30% | 2 m/s | 4.7 |
| 2003 | 30.1°C | 21.5°C | 12.9°C | 33.6°C | 8.5°C | 4 mm | 25% | 2.2 m/s | 4.7 |
| 2002 | 28.6°C | 19.8°C | 10.9°C | 33.7°C | 8.1°C | 0 mm | 22% | 2.1 m/s | 4.6 |
| 2001 | 29.5°C | 20.4°C | 11.3°C | 33.2°C | 8.2°C | 0 mm | 20% | 2.1 m/s | 4.8 |
| 2000 | 30.1°C | 21.4°C | 12.6°C | 33.1°C | 6.1°C | 0 mm | 25% | 2.2 m/s | 4.9 |
| 1999 | 29.0°C | 20.6°C | 12.2°C | 32.4°C | 9.3°C | 1 mm | 27% | 2 m/s | 4.9 |
| 1998 | 29.2°C | 20.8°C | 12.5°C | 32.5°C | 7.5°C | 0 mm | 24% | 2.2 m/s | 4.4 |
| 1997 🌧️ | 28.5°C | 19.8°C | 11.1°C | 30.6°C | 6.6°C | 7 mm | 23% | 2.1 m/s | 4.5 |
| 1996 | 29.6°C | 21.2°C | 12.8°C | 32.6°C | 5.9°C | 1 mm | 27% | 2.3 m/s | 4.6 |
| 1995 | 28.1°C | 19.6°C | 11.1°C | 31.5°C | 7.8°C | 3 mm | 32% | 2.1 m/s | 4.7 |
| 1994 | 30.2°C | 21.9°C | 13.6°C | 35.0°C | 8.4°C | 6 mm | 30% | 2.1 m/s | 4.8 |
| 1993 | 30.0°C | 21.9°C | 13.8°C | 33.3°C | 9.2°C | 2 mm | 30% | 2.1 m/s | 4.7 |
| 1992 | 29.4°C | 21.1°C | 12.8°C | 35.0°C | 7.4°C | 2 mm | 24% | 1.9 m/s | 4.4 |
| 1991 | 29.5°C | 20.7°C | 11.9°C | 36.6°C | 4.8°C | 0 mm | 23% | 2.1 m/s | 4.5 |
| 1990 🔥 | 32.2°C | 23.2°C | 14.3°C | 35.7°C | 10.6°C | 0 mm | 24% | 2 m/s | 4.7 |
| 1989 | 28.7°C | 19.6°C | 10.6°C | 34.2°C | 7.3°C | 2 mm | 25% | 2.1 m/s | 4.6 |
| 1988 | 30.9°C | 22.3°C | 13.8°C | 32.9°C | 8.9°C | 1 mm | 22% | 2.1 m/s | 4.5 |
| 1987 | 30.0°C | 21.3°C | 12.5°C | 33.7°C | 9.0°C | 0 mm | 25% | 2.2 m/s | 4.6 |
| 1986 | 28.7°C | 19.9°C | 11.0°C | 30.8°C | 8.5°C | 0 mm | 21% | 2.3 m/s | 4.6 |
| 1985 | 29.0°C | 20.2°C | 11.4°C | 32.8°C | 7.6°C | 0 mm | 25% | 2.6 m/s | 5 |
| 1984 | 27.9°C | 18.8°C | 9.7°C | 30.7°C | 7.7°C | 0 mm | 23% | 2.5 m/s | 4.6 |
| 1983 | 28.8°C | 20.0°C | 11.1°C | 31.5°C | 7.8°C | 0 mm | 23% | 2.1 m/s | — |
| 1982 | 28.3°C | 20.1°C | 11.9°C | 30.7°C | 8.1°C | 4 mm | 37% | 2.4 m/s | — |
| 1981 | 28.2°C | 20.0°C | 11.7°C | 32.5°C | 6.4°C | 2 mm | 35% | 1.9 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 28.9°C with lows near 11.8°C (mean 20.4°C), based on 45 years of NASA POWER data.
January averages 1 mm of rainfall in Patan, one of the drier months. The wettest on record was 7 mm in 1997.
The hottest January reached 36.6°C in 1991. The coldest dipped to 4.8°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 0.2°C. Daytime highs moved from 28.4°C to 28°C and overnight lows from 11.2°C to 11.2°C over the same span.
January is one of the cooler months of the year in Patan and one of the drier months, so plan for around 28.9°C daytime highs and 11.8°C at night.
Yes — January is the coldest month of the year in Patan, averaging 20.4°C.
For January in Patan, pack light layers you can adjust through the day, with typical highs of 28.9°C and lows of 11.8°C.
Relative humidity in January averages 29% — relatively dry.
Average wind speed in January is 2.1 m/s. The windiest January on record averaged 2.6 m/s (1985).
The wettest January on record was 1997 with 7 mm. On average, January sees 1 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 Patan 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.
