December is one of the cooler months of the year in Pathanamthitta, with average highs near 28.9°C and lows around 16.4°C (mean 22.7°C). It is one of the drier months, averaging 63 mm of rainfall and 82% relative humidity across the period.
December is one of the cooler months of the year in Pathanamthitta. Across 45 years of records, the warmest December in Pathanamthitta was 2016 — when the month averaged 24.9°C — while the coldest was 2007 at 21.2°C. Typical December days reach 28.9°C with nights near 16.4°C. The long-term December temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.1°C | 22.3°C | 22.0°C | 23.1°C | 23.1°C | 0°C |
| Avg High | 29.8°C | 28.5°C | 28.6°C | 29.1°C | 28.7°C | -1.1°C |
| Avg Low | 16.5°C | 16.0°C | 15.5°C | 17.1°C | 17.5°C | +1°C |
| Avg Rain | 63 mm | 69 mm | 30 mm | 60 mm | 112 mm | +49 mm |
December temperatures in Pathanamthitta have stayed relatively stable across the record.
December has ranged from a record low of 14.4°C (2007) to a record high of 32.5°C (2016).
Rainfall in December is one of the drier months, averaging 63 mm, with a wettest year of 188 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
One of the best times to visit Pathanamthitta
December is one of the best times to visit Pathanamthitta. Expect days averaging 28.9°C and nights around 16.4°C (mean 22.7°C) — cooler than Pathanamthitta's yearly average — with moderate rainfall (63 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 28.4°C | 15.9°C | 22.1°C | 22 mm | 83% | 0.4 m/s | — |
| 2024 | 29.2°C | 18.5°C | 23.8°C | 164 mm | 87% | 0.5 m/s | 4.8 |
| 2023 | 28.9°C | 18.6°C | 23.7°C | 155 mm | 87% | 0.5 m/s | 4.9 |
| 2022 | 28.6°C | 18.3°C | 23.5°C | 109 mm | 85% | 0.4 m/s | 4.8 |
| 2021 | 28.7°C | 16.7°C | 22.7°C | 133 mm | 85% | 0.4 m/s | 5.5 |
| 2020 | 28.5°C | 17.2°C | 22.8°C | 87 mm | 85% | 0.4 m/s | 4.6 |
| 2019 | 29.1°C | 19.2°C | 24.1°C | 41 mm | 86% | 0.4 m/s | 4.9 |
| 2018 | 28.7°C | 18.5°C | 23.6°C | 20 mm | 84% | 0.4 m/s | 4.9 |
| 2017 | 28.1°C | 16.2°C | 22.1°C | 59 mm | 84% | 0.5 m/s | 5.2 |
| 2016 🔥 | 32.5°C | 17.2°C | 24.9°C | 30 mm | 76% | 0.6 m/s | 4.9 |
| 2015 | 28.6°C | 17.0°C | 22.8°C | 96 mm | 87% | 0.4 m/s | 4.9 |
| 2014 | 28.5°C | 17.7°C | 23.1°C | 41 mm | 85% | 0.4 m/s | 4.6 |
| 2013 | 28.6°C | 16.2°C | 22.4°C | 45 mm | 82% | 0.5 m/s | 5 |
| 2012 | 30.4°C | 17.7°C | 24.0°C | 22 mm | 78% | 0.5 m/s | 5 |
| 2011 | 28.7°C | 15.2°C | 21.9°C | 135 mm | 83% | 0.5 m/s | 4.8 |
| 2010 | 27.3°C | 16.5°C | 21.9°C | 106 mm | 87% | 0.4 m/s | 4.6 |
| 2009 | 29.0°C | 17.0°C | 23.0°C | 21 mm | 85% | 0.5 m/s | 5 |
| 2008 | 28.7°C | 14.4°C | 21.5°C | 22 mm | 82% | 0.4 m/s | 5.1 |
| 2007 ❄️ | 28.0°C | 14.4°C | 21.2°C | 26 mm | 83% | 0.5 m/s | 4.9 |
| 2006 | 28.4°C | 15.5°C | 22.0°C | 2 mm | 82% | 0.5 m/s | 5.3 |
| 2005 | 28.1°C | 15.7°C | 21.9°C | 73 mm | 86% | 0.5 m/s | 5 |
| 2004 | 28.4°C | 15.8°C | 22.1°C | 7 mm | 82% | 0.5 m/s | 5.4 |
| 2003 | 28.6°C | 15.6°C | 22.1°C | 80 mm | 81% | 0.5 m/s | 5.5 |
| 2002 | 28.3°C | 15.8°C | 22.0°C | 2 mm | 82% | 0.4 m/s | 5 |
| 2001 | 28.3°C | 15.6°C | 21.9°C | 18 mm | 83% | 0.4 m/s | 5.4 |
| 2000 | 30.1°C | 14.8°C | 22.4°C | 47 mm | 76% | 0.5 m/s | 5.1 |
| 1999 | 28.2°C | 15.7°C | 22.0°C | 33 mm | 82% | 0.5 m/s | 5.5 |
| 1998 | 28.8°C | 14.8°C | 21.8°C | 124 mm | 86% | 0.5 m/s | 4.6 |
| 1997 | 28.9°C | 18.7°C | 23.8°C | 150 mm | 87% | 0.4 m/s | 4.6 |
| 1996 | 27.8°C | 16.2°C | 22.0°C | 178 mm | 86% | 0.5 m/s | 4.6 |
| 1995 | 27.9°C | 16.0°C | 21.9°C | 0 mm | 78% | 0.5 m/s | 5.5 |
| 1994 | 28.6°C | 15.0°C | 21.8°C | 11 mm | 80% | 0.5 m/s | 5.4 |
| 1993 | 28.4°C | 16.9°C | 22.7°C | 144 mm | 85% | 0.4 m/s | 4.7 |
| 1992 | 28.2°C | 14.9°C | 21.6°C | 19 mm | 83% | 0.5 m/s | 5.3 |
| 1991 | 28.0°C | 15.1°C | 21.5°C | 21 mm | 82% | 0.5 m/s | 5 |
| 1990 | 30.2°C | 17.0°C | 23.6°C | 9 mm | 80% | 0.5 m/s | 5 |
| 1989 | 28.8°C | 16.6°C | 22.7°C | 22 mm | 81% | 0.5 m/s | 5.4 |
| 1988 | 29.9°C | 15.8°C | 22.9°C | 66 mm | 77% | 0.5 m/s | 5.4 |
| 1987 🌧️ | 28.1°C | 16.6°C | 22.3°C | 188 mm | 87% | 0.5 m/s | 4.8 |
| 1986 | 31.7°C | 16.7°C | 24.2°C | 14 mm | 74% | 0.4 m/s | 5.2 |
| 1985 | 29.4°C | 15.3°C | 22.3°C | 83 mm | 79% | 0.4 m/s | 5.3 |
| 1984 | 30.7°C | 14.9°C | 22.8°C | 20 mm | 75% | 0.5 m/s | 5.2 |
| 1983 | 29.9°C | 18.6°C | 24.2°C | 145 mm | 82% | 0.5 m/s | — |
| 1982 | 31.2°C | 17.2°C | 24.2°C | 15 mm | 74% | 0.5 m/s | — |
| 1981 | 28.1°C | 16.7°C | 22.4°C | 15 mm | 84% | 0.5 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 28.9°C with lows near 16.4°C (mean 22.7°C), based on 45 years of NASA POWER data.
December averages 63 mm of rainfall in Pathanamthitta, one of the drier months. The wettest on record was 188 mm in 1987.
The hottest December reached 32.5°C in 2016. The coldest dipped to 14.4°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have held steady by about 0°C. Daytime highs moved from 29.9°C to 28.8°C and overnight lows from 16.5°C to 17.6°C over the same span.
December is one of the cooler months of the year in Pathanamthitta and one of the drier months, so plan for around 28.9°C daytime highs and 16.4°C at night.
Yes — December is the coldest month of the year in Pathanamthitta, averaging 22.7°C.
For December in Pathanamthitta, pack light layers you can adjust through the day, with typical highs of 28.9°C and lows of 16.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 82% — quite humid.
Average wind speed in December is 0.5 m/s. The windiest December on record averaged 0.6 m/s (2016).
The wettest December on record was 1987 with 188 mm. On average, December sees 63 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 Pathanamthitta behaves each December, 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 December specifically, along with year-by-year records and how the month has changed over the decades.
