January is one of the cooler months of the year in Guna, with average highs near 30°C and lows around 4.7°C (mean 17.4°C). It is one of the drier months, averaging 11 mm of rainfall and 43% relative humidity across the period.
January is one of the cooler months of the year in Guna. Across 45 years of records, the warmest January in Guna was 1990 — when the month averaged 20.7°C — while the coldest was 2020 at 14.4°C. Typical January days reach 30°C with nights near 4.7°C. The long-term trend is cooling, about 0.3°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.5°C | 17.4°C | 18.6°C | 16.5°C | 16.3°C | -1.2°C |
| Avg High | 30.1°C | 30.4°C | 31.4°C | 28.9°C | 28.5°C | -1.6°C |
| Avg Low | 4.9°C | 4.4°C | 5.8°C | 4.0°C | 4.3°C | -0.6°C |
| Avg Rain | 21 mm | 7 mm | 5 mm | 10 mm | 15 mm | -6 mm |
January temperatures in Guna have fallen by about 0.6°C between 1981–1985 and 2021–2025.
January has ranged from a record low of 1.2°C (1991) to a record high of 33.5°C (2009).
Rainfall in January is one of the drier months, averaging 11 mm, with a wettest year of 84 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows fell 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Guna
January is a good time to visit Guna, with days averaging 30°C and nights around 4.7°C (mean 17.4°C, cooler than Guna's yearly average) and low rainfall. October and November are marginally more temperate, but January still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 30.2°C | 5.7°C | 17.9°C | 12 mm | 59% | 1.6 m/s | 4.2 |
| 2024 | 29.3°C | 5.7°C | 17.5°C | 4 mm | 51% | 1.7 m/s | 3.4 |
| 2023 | 28.0°C | 2.1°C | 15.0°C | 5 mm | 61% | 1.7 m/s | 4 |
| 2022 | 26.8°C | 4.0°C | 15.4°C | 49 mm | 64% | 1.6 m/s | 3.9 |
| 2021 | 29.8°C | 5.9°C | 17.8°C | 3 mm | 47% | 1.8 m/s | 3.9 |
| 2020 ❄️ | 26.6°C | 2.1°C | 14.4°C | 17 mm | 70% | 1.8 m/s | 3.8 |
| 2019 | 31.1°C | 3.6°C | 17.4°C | 1 mm | 33% | 1.7 m/s | 4.3 |
| 2018 | 30.2°C | 6.3°C | 18.3°C | 0 mm | 25% | 1.5 m/s | 4.6 |
| 2017 | 30.9°C | 3.2°C | 17.0°C | 6 mm | 43% | 1.8 m/s | 4.1 |
| 2016 | 31.3°C | 4.7°C | 18.0°C | 12 mm | 35% | 1.5 m/s | 4.2 |
| 2015 | 26.0°C | 4.1°C | 15.0°C | 29 mm | 61% | 1.7 m/s | 3.6 |
| 2014 | 26.3°C | 4.6°C | 15.4°C | 35 mm | 65% | 1.7 m/s | 3.2 |
| 2013 | 29.6°C | 2.4°C | 16.0°C | 3 mm | 32% | 1.8 m/s | 4.4 |
| 2012 | 27.3°C | 3.9°C | 15.6°C | 13 mm | 52% | 1.7 m/s | 4.1 |
| 2011 | 28.0°C | 2.0°C | 15.0°C | 0 mm | 48% | 1.6 m/s | 4.7 |
| 2010 | 28.7°C | 5.6°C | 17.2°C | 4 mm | 40% | 1.5 m/s | 4.4 |
| 2009 | 33.5°C | 7.1°C | 20.3°C | 13 mm | 51% | 1.7 m/s | 3.9 |
| 2008 | 30.2°C | 5.2°C | 17.7°C | 0 mm | 30% | 1.9 m/s | 4.2 |
| 2007 | 32.6°C | 6.9°C | 19.7°C | 1 mm | 30% | 1.8 m/s | 4.4 |
| 2006 | 32.9°C | 6.5°C | 19.7°C | 0 mm | 26% | 1.7 m/s | 4.7 |
| 2005 | 28.1°C | 6.2°C | 17.2°C | 6 mm | 40% | 1.7 m/s | 4 |
| 2004 | 30.1°C | 5.7°C | 17.9°C | 20 mm | 54% | 1.7 m/s | 4.3 |
| 2003 | 32.1°C | 5.2°C | 18.6°C | 9 mm | 32% | 1.9 m/s | 4.4 |
| 2002 | 30.9°C | 5.4°C | 18.1°C | 1 mm | 33% | 1.8 m/s | 4.4 |
| 2001 | 32.3°C | 5.4°C | 18.9°C | 0 mm | 24% | 1.8 m/s | 4.5 |
| 2000 | 30.9°C | 4.3°C | 17.6°C | 0 mm | 25% | 1.9 m/s | 4.8 |
| 1999 | 30.2°C | 4.8°C | 17.5°C | 2 mm | 32% | 1.7 m/s | 4.8 |
| 1998 | 27.0°C | 2.9°C | 14.9°C | 1 mm | 57% | 1.6 m/s | 4.6 |
| 1997 | 29.0°C | 4.3°C | 16.7°C | 3 mm | 35% | 1.7 m/s | 4.7 |
| 1996 | 29.2°C | 4.9°C | 17.0°C | 19 mm | 50% | 1.8 m/s | 4.5 |
| 1995 | 27.6°C | 3.5°C | 15.5°C | 22 mm | 41% | 1.8 m/s | 4.9 |
| 1994 | 33.0°C | 5.6°C | 19.3°C | 16 mm | 45% | 1.7 m/s | 4.6 |
| 1993 | 30.5°C | 5.3°C | 17.9°C | 0 mm | 33% | 1.9 m/s | 4.7 |
| 1992 | 31.9°C | 3.6°C | 17.8°C | 1 mm | 29% | 1.9 m/s | 4.6 |
| 1991 | 32.4°C | 1.2°C | 16.8°C | 0 mm | 43% | 1.9 m/s | 4.7 |
| 1990 🔥 | 33.4°C | 8.1°C | 20.7°C | 2 mm | 26% | 1.9 m/s | 4.8 |
| 1989 | 32.9°C | 3.1°C | 18.0°C | 6 mm | 26% | 1.9 m/s | 4.8 |
| 1988 | 30.6°C | 6.5°C | 18.5°C | 7 mm | 31% | 1.7 m/s | 4.6 |
| 1987 | 30.5°C | 6.0°C | 18.3°C | 16 mm | 43% | 1.9 m/s | 4.4 |
| 1986 | 28.8°C | 4.6°C | 16.7°C | 7 mm | 58% | 1.9 m/s | 4.7 |
| 1985 | 30.4°C | 6.3°C | 18.4°C | 5 mm | 37% | 2.1 m/s | 4.9 |
| 1984 | 28.5°C | 4.6°C | 16.6°C | 42 mm | 60% | 1.9 m/s | 4.5 |
| 1983 | 30.1°C | 3.6°C | 16.9°C | 12 mm | 40% | 1.9 m/s | — |
| 1982 🌧️ | 28.8°C | 6.6°C | 17.7°C | 84 mm | 63% | 1.8 m/s | — |
| 1981 | 30.1°C | 3.2°C | 16.7°C | 13 mm | 49% | 1.7 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 30°C with lows near 4.7°C (mean 17.4°C), based on 45 years of NASA POWER data.
January averages 11 mm of rainfall in Guna, one of the drier months. The wettest on record was 84 mm in 1982.
The hottest January reached 33.5°C in 2009. The coldest dipped to 1.2°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have fallen by about 0.6°C. Daytime highs moved from 29.6°C to 28.8°C and overnight lows from 4.9°C to 4.7°C over the same span.
January is one of the cooler months of the year in Guna and one of the drier months, so plan for around 30°C daytime highs and 4.7°C at night.
Yes — January is the coldest month of the year in Guna, averaging 17.4°C.
For January in Guna, pack light, breathable clothing and sun protection, with typical highs of 30°C and lows of 4.7°C.
Relative humidity in January averages 43% — relatively dry.
Average wind speed in January is 1.8 m/s. The windiest January on record averaged 2.1 m/s (1985).
The wettest January on record was 1982 with 84 mm. On average, January sees 11 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 Guna 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.
