December is one of the cooler months of the year in Mandi, with average highs near 17.8°C and lows around 6.9°C (mean 12.4°C). It is one of the drier months, averaging 13 mm of rainfall and 39% relative humidity across the period.
December is one of the cooler months of the year in Mandi. Across 45 years of records, the warmest December in Mandi was 2016 — when the month averaged 15.1°C — while the coldest was 2019 at 9.9°C. Typical December days reach 17.8°C with nights near 6.9°C. The long-term December temperature trend is broadly flat.
December is one of the drier months in Mandi, averaging 13 mm of rainfall. The wettest December on record was 1989 with 88 mm, while the driest were 1999, 2009 and 2025, among others at 0 mm.
Relative humidity in Mandi during December averages 39%. The most humid December was 1997 at 53%, and the least humid was 1987 at 18%.
December receives about 3.2 kWh/m²/day of solar energy in Mandi. The sunniest Decembers were 1998 and 2005 at 3.6 kWh/m²/day, and the cloudiest was 1997 at 2.7.
Average wind speed in Mandi during December is 1.3 m/s. The windiest December was 1990 at 1.6 m/s, while the calmest was 2025 at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.9°C | 12.3°C | 12.8°C | 12.2°C | 12.4°C | +0.5°C |
| Avg High | 17.5°C | 17.8°C | 18.5°C | 17.5°C | 17.5°C | 0°C |
| Avg Low | 6.3°C | 6.7°C | 7.2°C | 6.9°C | 7.3°C | +1°C |
| Avg Rain | 18 mm | 7 mm | 8 mm | 19 mm | 16 mm | -3 mm |
December temperatures in Mandi have risen by about 0.8°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -1.5°C (2019) to a record high of 24.3°C (1998).
Rainfall in December is one of the drier months, averaging 13 mm, with a wettest year of 88 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Mandi
If your dates are flexible, the more temperate months of April and October tend to be the most comfortable for visiting Mandi. That said, December — with days averaging 17.8°C and nights around 6.9°C (mean 12.4°C) and low rainfall (13 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 18.2°C | 13.4°C | 8.6°C | 21.6°C | 5.6°C | 0 mm | 45% | 1.1 m/s | — |
| 2024 | 17.1°C | 11.8°C | 6.5°C | 20.3°C | 2.9°C | 47 mm | 44% | 1.3 m/s | 3.2 |
| 2023 | 17.9°C | 13.0°C | 8.1°C | 20.7°C | 5.0°C | 4 mm | 49% | 1.2 m/s | 3.3 |
| 2022 | 17.7°C | 12.8°C | 7.9°C | 20.7°C | 3.4°C | 5 mm | 49% | 1.2 m/s | 3.4 |
| 2021 | 16.0°C | 11.0°C | 6.0°C | 21.1°C | 0.7°C | 15 mm | 51% | 1.3 m/s | 3.3 |
| 2020 | 17.9°C | 12.1°C | 6.4°C | 21.9°C | 1.3°C | 23 mm | 42% | 1.4 m/s | 3.4 |
| 2019 ❄️ | 15.5°C | 9.9°C | 4.3°C | 19.8°C | -1.5°C | 42 mm | 47% | 1.2 m/s | 2.9 |
| 2018 | 15.4°C | 10.5°C | 5.6°C | 18.3°C | 0.0°C | 9 mm | 49% | 1.2 m/s | 3.5 |
| 2017 | 19.0°C | 13.2°C | 7.4°C | 23.3°C | 3.9°C | 25 mm | 41% | 1.4 m/s | 3.1 |
| 2016 🔥 | 20.5°C | 15.1°C | 9.8°C | 22.8°C | 5.7°C | 4 mm | 28% | 1.3 m/s | 3.4 |
| 2015 | 17.5°C | 12.4°C | 7.3°C | 22.0°C | 1.9°C | 28 mm | 45% | 1.4 m/s | 3.3 |
| 2014 | 17.6°C | 12.4°C | 7.3°C | 22.0°C | 4.2°C | 21 mm | 39% | 1.2 m/s | 3.2 |
| 2013 | 17.0°C | 12.0°C | 7.0°C | 22.6°C | 1.7°C | 6 mm | 47% | 1.3 m/s | 3.4 |
| 2012 | 17.8°C | 12.7°C | 7.7°C | 22.1°C | 2.7°C | 23 mm | 45% | 1.3 m/s | 3.1 |
| 2011 | 17.7°C | 12.1°C | 6.4°C | 21.6°C | 3.2°C | 6 mm | 38% | 1.3 m/s | 3.5 |
| 2010 | 16.5°C | 11.4°C | 6.3°C | 19.8°C | 2.4°C | 31 mm | 46% | 1.3 m/s | 3.4 |
| 2009 | 17.6°C | 12.3°C | 7.0°C | 21.0°C | 4.7°C | 0 mm | 36% | 1.2 m/s | 3.2 |
| 2008 | 19.3°C | 14.0°C | 8.7°C | 22.1°C | 4.3°C | 4 mm | 44% | 1.3 m/s | 3.3 |
| 2007 | 17.8°C | 12.1°C | 6.3°C | 22.9°C | 1.5°C | 4 mm | 34% | 1.3 m/s | 3.3 |
| 2006 | 18.0°C | 12.3°C | 6.6°C | 21.0°C | 3.4°C | 18 mm | 44% | 1.4 m/s | 3.1 |
| 2005 | 18.4°C | 12.2°C | 6.1°C | 20.6°C | 3.6°C | 0 mm | 30% | 1.3 m/s | 3.6 |
| 2004 | 19.1°C | 13.5°C | 7.9°C | 22.7°C | 2.8°C | 11 mm | 37% | 1.4 m/s | 3.2 |
| 2003 | 17.4°C | 12.1°C | 6.8°C | 21.7°C | 1.7°C | 21 mm | 46% | 1.3 m/s | 3 |
| 2002 | 18.4°C | 12.9°C | 7.4°C | 21.8°C | 3.4°C | 6 mm | 34% | 1.3 m/s | 3.2 |
| 2001 | 19.2°C | 13.3°C | 7.5°C | 22.0°C | 4.4°C | 9 mm | 31% | 1.4 m/s | 3.2 |
| 2000 | 19.9°C | 13.7°C | 7.6°C | 22.1°C | 3.6°C | 4 mm | 24% | 1.4 m/s | 3.5 |
| 1999 | 19.2°C | 13.3°C | 7.4°C | 22.0°C | 4.4°C | 0 mm | 20% | 1.3 m/s | 3.5 |
| 1998 | 19.7°C | 13.6°C | 7.5°C | 24.3°C | 3.0°C | 0 mm | 28% | 1.3 m/s | 3.6 |
| 1997 | 14.9°C | 10.0°C | 5.1°C | 18.8°C | 2.2°C | 23 mm | 53% | 1.2 m/s | 2.7 |
| 1996 | 18.1°C | 12.3°C | 6.5°C | 20.0°C | 3.1°C | 1 mm | 32% | 1.3 m/s | 3.4 |
| 1995 | 17.0°C | 11.6°C | 6.2°C | 19.0°C | 4.0°C | 4 mm | 44% | 1.3 m/s | 3 |
| 1994 | 16.8°C | 11.5°C | 6.2°C | 20.1°C | 1.6°C | 11 mm | 42% | 1.4 m/s | 3.1 |
| 1993 | 19.8°C | 13.6°C | 7.4°C | 23.4°C | 4.2°C | 0 mm | 23% | 1.3 m/s | 3.2 |
| 1992 | 18.3°C | 12.8°C | 7.2°C | 20.6°C | 4.8°C | 2 mm | 37% | 1.3 m/s | 3.2 |
| 1991 | 17.1°C | 12.1°C | 7.1°C | 21.3°C | 0.5°C | 23 mm | 43% | 1.3 m/s | 2.9 |
| 1990 | 17.2°C | 11.8°C | 6.3°C | 20.4°C | -0.9°C | 2 mm | 41% | 1.6 m/s | 3 |
| 1989 🌧️ | 16.9°C | 11.4°C | 6.0°C | 20.7°C | 1.5°C | 88 mm | 41% | 1.3 m/s | 3 |
| 1988 | 17.6°C | 12.5°C | 7.5°C | 21.2°C | 2.9°C | 33 mm | 44% | 1.4 m/s | 3.1 |
| 1987 | 20.4°C | 14.1°C | 7.9°C | 22.9°C | 5.5°C | 4 mm | 18% | 1.3 m/s | 3.1 |
| 1986 | 16.7°C | 11.1°C | 5.5°C | 21.3°C | 1.3°C | 8 mm | 38% | 1.5 m/s | 2.9 |
| 1985 | 17.7°C | 12.2°C | 6.7°C | 21.1°C | 2.7°C | 19 mm | 45% | 1.4 m/s | 3 |
| 1984 | 17.0°C | 11.5°C | 5.9°C | 21.5°C | 2.8°C | 2 mm | 36% | 1.5 m/s | 2.9 |
| 1983 | 17.4°C | 11.7°C | 5.9°C | 20.7°C | 2.7°C | 1 mm | 31% | 1.4 m/s | — |
| 1982 | 17.6°C | 12.0°C | 6.3°C | 21.6°C | 2.3°C | 7 mm | 40% | 1.3 m/s | — |
| 1981 | 16.4°C | 10.8°C | 5.2°C | 19.2°C | 2.0°C | 3 mm | 39% | 1.3 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 17.8°C with lows near 6.9°C (mean 12.4°C), based on 45 years of NASA POWER data.
December averages 13 mm of rainfall in Mandi, one of the drier months. The wettest on record was 88 mm in 1989.
The hottest December reached 24.3°C in 1998. The coldest dipped to -1.5°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.8°C. Daytime highs moved from 17.2°C to 17.4°C and overnight lows from 6°C to 7.4°C over the same span.
December is one of the cooler months of the year in Mandi and one of the drier months, so plan for around 17.8°C daytime highs and 6.9°C at night.
Not quite — December is the 3rd coolest month in Mandi, averaging 12.4°C.
For December in Mandi, pack warm layers and a jacket for chilly mornings, with typical highs of 17.8°C and lows of 6.9°C.
Relative humidity in December averages 39% — relatively dry.
Average wind speed in December is 1.3 m/s. The windiest December on record averaged 1.6 m/s (1990).
The wettest December on record was 1989 with 88 mm. On average, December sees 13 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 Mandi 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.
