December is one of the cooler months of the year in Pathanamthitta, with average highs near 27.3°C and lows around 19.3°C (mean 23.3°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 1986 — when the month averaged 24.7°C — while the coldest was 1995 at 22°C. Typical December days reach 27.3°C with nights near 19.3°C. The long-term December temperature trend is broadly flat.
December is one of the drier months in Pathanamthitta, averaging 63 mm of rainfall. The wettest December on record was 1987 with 188 mm, while the driest was 1995 at 0 mm.
Relative humidity in Pathanamthitta during December averages 82%. The most humid December was 1987 at 87%, and the least humid was 1982 at 74%.
December receives about 5 kWh/m²/day of solar energy in Pathanamthitta. The sunniest Decembers were 1999, 2003 and 2021, among others at 5.5 kWh/m²/day, and the cloudiest were 2010, 2014 and 2020, among others at 4.6.
Average wind speed in Pathanamthitta during December is 0.5 m/s. The windiest December was 2016 at 0.6 m/s, while the calmest were 2021, 2022 and 2025, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.5°C | 22.9°C | 22.9°C | 23.7°C | 23.8°C | +0.3°C |
| Avg High | 27.8°C | 26.9°C | 27.1°C | 27.6°C | 27.4°C | -0.4°C |
| Avg Low | 19.3°C | 18.9°C | 18.7°C | 19.8°C | 20.1°C | +0.8°C |
| Avg Rain | 63 mm | 69 mm | 30 mm | 60 mm | 112 mm | +49 mm |
December temperatures in Pathanamthitta have risen by about 0.4°C between 1981–1985 and 2021–2025.
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 rose about 0°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 27.3°C and nights around 19.3°C (mean 23.3°C) — cooler than Pathanamthitta's yearly average — with moderate rainfall (63 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 | 27.0°C | 22.8°C | 18.5°C | 28.4°C | 15.9°C | 22 mm | 83% | 0.4 m/s | — |
| 2024 | 27.8°C | 24.4°C | 21.0°C | 29.2°C | 18.5°C | 164 mm | 87% | 0.5 m/s | 4.8 |
| 2023 | 27.6°C | 24.5°C | 21.4°C | 28.9°C | 18.6°C | 155 mm | 87% | 0.5 m/s | 4.9 |
| 2022 | 27.3°C | 23.8°C | 20.2°C | 28.6°C | 18.3°C | 109 mm | 85% | 0.4 m/s | 4.8 |
| 2021 | 27.4°C | 23.6°C | 19.7°C | 28.7°C | 16.7°C | 133 mm | 85% | 0.4 m/s | 5.5 |
| 2020 | 27.1°C | 23.5°C | 20.0°C | 28.5°C | 17.2°C | 87 mm | 85% | 0.4 m/s | 4.6 |
| 2019 | 27.8°C | 24.2°C | 20.7°C | 29.1°C | 19.2°C | 41 mm | 86% | 0.4 m/s | 4.9 |
| 2018 | 27.8°C | 23.9°C | 20.0°C | 28.7°C | 18.5°C | 20 mm | 84% | 0.4 m/s | 4.9 |
| 2017 | 27.0°C | 23.2°C | 19.4°C | 28.1°C | 16.2°C | 59 mm | 84% | 0.5 m/s | 5.2 |
| 2016 | 29.6°C | 24.6°C | 19.7°C | 32.5°C | 17.2°C | 30 mm | 76% | 0.6 m/s | 4.9 |
| 2015 | 27.2°C | 23.8°C | 20.5°C | 28.6°C | 17.0°C | 96 mm | 87% | 0.4 m/s | 4.9 |
| 2014 | 27.3°C | 23.7°C | 20.2°C | 28.5°C | 17.7°C | 41 mm | 85% | 0.4 m/s | 4.6 |
| 2013 | 27.1°C | 23.0°C | 18.9°C | 28.6°C | 16.2°C | 45 mm | 82% | 0.5 m/s | 5 |
| 2012 | 28.7°C | 24.3°C | 19.9°C | 30.4°C | 17.7°C | 22 mm | 78% | 0.5 m/s | 5 |
| 2011 | 27.1°C | 23.1°C | 19.0°C | 28.7°C | 15.2°C | 135 mm | 83% | 0.5 m/s | 4.8 |
| 2010 | 26.0°C | 22.8°C | 19.6°C | 27.3°C | 16.5°C | 106 mm | 87% | 0.4 m/s | 4.6 |
| 2009 | 27.5°C | 23.9°C | 20.2°C | 29.0°C | 17.0°C | 21 mm | 85% | 0.5 m/s | 5 |
| 2008 | 26.9°C | 22.8°C | 18.6°C | 28.7°C | 14.4°C | 22 mm | 82% | 0.4 m/s | 5.1 |
| 2007 | 26.6°C | 22.6°C | 18.7°C | 28.0°C | 14.4°C | 26 mm | 83% | 0.5 m/s | 4.9 |
| 2006 | 26.9°C | 22.6°C | 18.3°C | 28.4°C | 15.5°C | 2 mm | 82% | 0.5 m/s | 5.3 |
| 2005 | 26.8°C | 23.3°C | 19.8°C | 28.1°C | 15.7°C | 73 mm | 86% | 0.5 m/s | 5 |
| 2004 | 27.1°C | 22.7°C | 18.2°C | 28.4°C | 15.8°C | 7 mm | 82% | 0.5 m/s | 5.4 |
| 2003 | 27.2°C | 22.8°C | 18.5°C | 28.6°C | 15.6°C | 80 mm | 81% | 0.5 m/s | 5.5 |
| 2002 | 27.0°C | 22.7°C | 18.5°C | 28.3°C | 15.8°C | 2 mm | 82% | 0.4 m/s | 5 |
| 2001 | 26.8°C | 22.8°C | 18.8°C | 28.3°C | 15.6°C | 18 mm | 83% | 0.4 m/s | 5.4 |
| 2000 | 27.7°C | 22.8°C | 17.9°C | 30.1°C | 14.8°C | 47 mm | 76% | 0.5 m/s | 5.1 |
| 1999 | 26.8°C | 22.7°C | 18.6°C | 28.2°C | 15.7°C | 33 mm | 82% | 0.5 m/s | 5.5 |
| 1998 | 26.5°C | 23.1°C | 19.8°C | 28.8°C | 14.8°C | 124 mm | 86% | 0.5 m/s | 4.6 |
| 1997 | 27.6°C | 24.4°C | 21.3°C | 28.9°C | 18.7°C | 150 mm | 87% | 0.4 m/s | 4.6 |
| 1996 | 26.2°C | 22.5°C | 18.9°C | 27.8°C | 16.2°C | 178 mm | 86% | 0.5 m/s | 4.6 |
| 1995 ❄️ | 26.9°C | 22.0°C | 17.1°C | 27.9°C | 16.0°C | 0 mm | 78% | 0.5 m/s | 5.5 |
| 1994 | 27.1°C | 22.6°C | 18.0°C | 28.6°C | 15.0°C | 11 mm | 80% | 0.5 m/s | 5.4 |
| 1993 | 26.8°C | 23.2°C | 19.6°C | 28.4°C | 16.9°C | 144 mm | 85% | 0.4 m/s | 4.7 |
| 1992 | 26.3°C | 22.1°C | 18.0°C | 28.2°C | 14.9°C | 19 mm | 83% | 0.5 m/s | 5.3 |
| 1991 | 26.6°C | 22.5°C | 18.5°C | 28.0°C | 15.1°C | 21 mm | 82% | 0.5 m/s | 5 |
| 1990 | 27.8°C | 23.6°C | 19.5°C | 30.2°C | 17.0°C | 9 mm | 80% | 0.5 m/s | 5 |
| 1989 | 27.4°C | 23.0°C | 18.7°C | 28.8°C | 16.6°C | 22 mm | 81% | 0.5 m/s | 5.4 |
| 1988 | 27.9°C | 23.2°C | 18.6°C | 29.9°C | 15.8°C | 66 mm | 77% | 0.5 m/s | 5.4 |
| 1987 🌧️ | 26.7°C | 23.6°C | 20.6°C | 28.1°C | 16.6°C | 188 mm | 87% | 0.5 m/s | 4.8 |
| 1986 🔥 | 29.7°C | 24.7°C | 19.8°C | 31.7°C | 16.7°C | 14 mm | 74% | 0.4 m/s | 5.2 |
| 1985 | 27.6°C | 23.3°C | 19.1°C | 29.4°C | 15.3°C | 83 mm | 79% | 0.4 m/s | 5.3 |
| 1984 | 27.9°C | 22.9°C | 17.9°C | 30.7°C | 14.9°C | 20 mm | 75% | 0.5 m/s | 5.2 |
| 1983 | 27.9°C | 24.1°C | 20.2°C | 29.9°C | 18.6°C | 145 mm | 82% | 0.5 m/s | — |
| 1982 | 28.6°C | 23.9°C | 19.2°C | 31.2°C | 17.2°C | 15 mm | 74% | 0.5 m/s | — |
| 1981 | 26.7°C | 22.9°C | 19.2°C | 28.1°C | 16.7°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 27.3°C with lows near 19.3°C (mean 23.3°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 risen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 19.1°C to 20.2°C while daytime highs eased from 27.7°C to 27.4°C, narrowing the gap between day and night.
December is one of the cooler months of the year in Pathanamthitta and one of the drier months, so plan for around 27.3°C daytime highs and 19.3°C at night.
Yes — December is the coldest month of the year in Pathanamthitta, averaging 23.3°C.
For December in Pathanamthitta, pack light layers you can adjust through the day, with typical highs of 27.3°C and lows of 19.3°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.
