December is one of the cooler months of the year in New Delhi, with average highs near 24.3°C and lows around 8.8°C (mean 16.6°C). It is one of the drier months, averaging 7 mm of rainfall and 38% relative humidity across the period.
December is one of the cooler months of the year in New Delhi. Across 45 years of records, the warmest December in New Delhi was 2008 — when the month averaged 18.5°C — while the coldest was 2019 at 13.5°C. Typical December days reach 24.3°C with nights near 8.8°C. The long-term trend is cooling, about 0.2°C per decade.
December is one of the drier months in New Delhi, averaging 7 mm of rainfall. The wettest December on record was 1997 with 40 mm, while the driest were 2016, 2022 and 2025, among others at 0 mm.
Relative humidity in New Delhi during December averages 38%. The most humid December was 1997 at 59%, and the least humid was 1993 at 17%.
December receives about 3.2 kWh/m²/day of solar energy in New Delhi. The sunniest Decembers were 1993 and 1994 at 3.7 kWh/m²/day, and the cloudiest was 2019 at 2.1.
Average wind speed in New Delhi during December is 1.6 m/s. The windiest December was 2012 at 2.1 m/s, while the calmest were 2010 and 2023 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.6°C | 17.0°C | 17.2°C | 15.9°C | 16.0°C | -0.6°C |
| Avg High | 24.5°C | 25.0°C | 25.0°C | 23.4°C | 23.5°C | -1°C |
| Avg Low | 8.7°C | 9.0°C | 9.5°C | 8.3°C | 8.5°C | -0.2°C |
| Avg Rain | 7 mm | 7 mm | 6 mm | 8 mm | 6 mm | -1 mm |
December temperatures in New Delhi have fallen by about 0.7°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 0.3°C (2019) to a record high of 30.6°C (1993).
Rainfall in December is one of the drier months, averaging 7 mm, with a wettest year of 40 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 New Delhi
December is a good time to visit New Delhi, with days averaging 24.3°C and nights around 8.8°C (mean 16.6°C, cooler than New Delhi's yearly average) and low rainfall. November and March are marginally more temperate, but December still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24.3°C | 16.4°C | 8.5°C | 26.7°C | 5.6°C | 0 mm | 47% | 1.6 m/s | — |
| 2024 | 23.0°C | 15.8°C | 8.5°C | 28.0°C | 4.2°C | 32 mm | 49% | 1.6 m/s | 2.9 |
| 2023 | 24.4°C | 17.0°C | 9.6°C | 26.8°C | 5.8°C | 1 mm | 48% | 1.3 m/s | 2.9 |
| 2022 | 23.7°C | 16.0°C | 8.3°C | 27.6°C | 3.2°C | 0 mm | 51% | 1.7 m/s | 3.3 |
| 2021 | 21.1°C | 14.4°C | 7.7°C | 25.3°C | 0.9°C | 6 mm | 58% | 1.4 m/s | 2.9 |
| 2020 | 24.2°C | 16.4°C | 8.5°C | 30.2°C | 2.8°C | 1 mm | 40% | 1.8 m/s | 3.2 |
| 2019 ❄️ | 20.3°C | 13.5°C | 6.6°C | 24.7°C | 0.3°C | 26 mm | 54% | 1.4 m/s | 2.1 |
| 2018 | 22.8°C | 15.2°C | 7.6°C | 26.7°C | 2.0°C | 1 mm | 44% | 1.5 m/s | 3.2 |
| 2017 | 24.6°C | 17.0°C | 9.3°C | 27.1°C | 4.4°C | 6 mm | 38% | 1.7 m/s | 3 |
| 2016 | 26.3°C | 18.2°C | 10.0°C | 28.9°C | 6.6°C | 0 mm | 27% | 1.7 m/s | 3.1 |
| 2015 | 24.6°C | 16.8°C | 8.9°C | 29.0°C | 3.1°C | 1 mm | 27% | 1.7 m/s | 3.1 |
| 2014 | 22.8°C | 15.2°C | 7.6°C | 29.1°C | 3.8°C | 20 mm | 37% | 1.7 m/s | 2.9 |
| 2013 | 23.4°C | 15.8°C | 8.2°C | 27.6°C | 2.2°C | 5 mm | 48% | 1.6 m/s | 3 |
| 2012 | 24.0°C | 16.0°C | 8.0°C | 28.0°C | 3.2°C | 4 mm | 38% | 2.1 m/s | 3 |
| 2011 | 24.0°C | 16.5°C | 9.1°C | 28.8°C | 3.9°C | 1 mm | 40% | 1.4 m/s | 3.1 |
| 2010 | 21.5°C | 14.5°C | 7.5°C | 23.7°C | 3.3°C | 11 mm | 55% | 1.3 m/s | 3.1 |
| 2009 | 24.3°C | 16.9°C | 9.5°C | 27.4°C | 4.7°C | 2 mm | 41% | 1.4 m/s | 3.1 |
| 2008 🔥 | 26.1°C | 18.5°C | 11.0°C | 29.0°C | 6.6°C | 0 mm | 44% | 1.4 m/s | 3 |
| 2007 | 24.3°C | 16.4°C | 8.5°C | 27.2°C | 3.6°C | 1 mm | 34% | 1.9 m/s | 3.2 |
| 2006 | 24.7°C | 17.0°C | 9.3°C | 28.2°C | 6.3°C | 4 mm | 42% | 1.8 m/s | 3.1 |
| 2005 | 23.8°C | 15.7°C | 7.6°C | 27.1°C | 4.5°C | 0 mm | 33% | 1.6 m/s | 3.3 |
| 2004 | 25.0°C | 17.6°C | 10.2°C | 28.6°C | 4.1°C | 2 mm | 39% | 1.6 m/s | 3.1 |
| 2003 | 23.8°C | 16.7°C | 9.6°C | 27.9°C | 3.7°C | 21 mm | 50% | 1.6 m/s | 2.5 |
| 2002 | 25.6°C | 17.9°C | 10.3°C | 29.2°C | 6.9°C | 24 mm | 35% | 1.5 m/s | 3.1 |
| 2001 | 25.6°C | 17.6°C | 9.7°C | 29.9°C | 5.5°C | 1 mm | 28% | 1.6 m/s | 3.1 |
| 2000 | 26.5°C | 17.8°C | 9.1°C | 29.8°C | 4.7°C | 3 mm | 23% | 1.8 m/s | 3.5 |
| 1999 | 25.9°C | 17.8°C | 9.6°C | 29.4°C | 6.6°C | 0 mm | 19% | 1.5 m/s | 3.5 |
| 1998 | 25.4°C | 16.8°C | 8.2°C | 29.6°C | 5.2°C | 0 mm | 37% | 1.5 m/s | 3.1 |
| 1997 🌧️ | 21.0°C | 14.5°C | 8.0°C | 26.5°C | 3.4°C | 40 mm | 59% | 1.4 m/s | 2.9 |
| 1996 | 25.2°C | 16.1°C | 7.1°C | 27.0°C | 2.3°C | 1 mm | 26% | 1.8 m/s | 3.6 |
| 1995 | 24.9°C | 17.2°C | 9.4°C | 27.3°C | 4.8°C | 1 mm | 37% | 1.8 m/s | 3.4 |
| 1994 | 25.8°C | 17.4°C | 9.1°C | 30.5°C | 3.2°C | 0 mm | 28% | 1.7 m/s | 3.7 |
| 1993 | 26.6°C | 17.8°C | 9.1°C | 30.6°C | 4.8°C | 0 mm | 17% | 1.6 m/s | 3.7 |
| 1992 | 26.5°C | 18.3°C | 10.2°C | 28.5°C | 6.5°C | 0 mm | 32% | 1.7 m/s | 3.4 |
| 1991 | 24.3°C | 17.3°C | 10.3°C | 28.0°C | 3.9°C | 22 mm | 43% | 1.6 m/s | 3.3 |
| 1990 | 24.3°C | 16.7°C | 9.1°C | 27.0°C | 2.0°C | 1 mm | 39% | 1.7 m/s | 3.4 |
| 1989 | 24.6°C | 16.9°C | 9.3°C | 27.8°C | 5.0°C | 7 mm | 33% | 1.4 m/s | 3.4 |
| 1988 | 24.9°C | 17.3°C | 9.6°C | 28.1°C | 5.9°C | 3 mm | 39% | 1.6 m/s | 3.2 |
| 1987 | 25.4°C | 17.1°C | 8.8°C | 30.2°C | 5.0°C | 8 mm | 22% | 1.5 m/s | 3.2 |
| 1986 | 23.7°C | 15.2°C | 6.8°C | 28.6°C | 2.2°C | 6 mm | 30% | 1.9 m/s | 3.5 |
| 1985 | 24.2°C | 16.8°C | 9.5°C | 27.3°C | 4.4°C | 23 mm | 51% | 2 m/s | 3.1 |
| 1984 | 24.9°C | 16.7°C | 8.5°C | 28.3°C | 3.9°C | 0 mm | 27% | 2 m/s | 3.4 |
| 1983 | 24.3°C | 16.5°C | 8.8°C | 27.6°C | 3.7°C | 4 mm | 33% | 1.6 m/s | — |
| 1982 | 24.7°C | 17.0°C | 9.3°C | 28.9°C | 5.2°C | 10 mm | 36% | 2 m/s | — |
| 1981 | 23.9°C | 15.9°C | 7.9°C | 25.9°C | 5.6°C | 2 mm | 41% | 1.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 24.3°C with lows near 8.8°C (mean 16.6°C), based on 45 years of NASA POWER data.
December averages 7 mm of rainfall in New Delhi, one of the drier months. The wettest on record was 40 mm in 1997.
The hottest December reached 30.6°C in 1993. The coldest dipped to 0.3°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.7°C. Daytime highs moved from 24.4°C to 23.3°C and overnight lows from 8.8°C to 8.5°C over the same span.
December is one of the cooler months of the year in New Delhi and one of the drier months, so plan for around 24.3°C daytime highs and 8.8°C at night.
Not quite — December is the 2nd coolest month in New Delhi, averaging 16.6°C.
For December in New Delhi, pack light layers you can adjust through the day, with typical highs of 24.3°C and lows of 8.8°C.
Relative humidity in December averages 38% — relatively dry.
Average wind speed in December is 1.6 m/s. The windiest December on record averaged 2.1 m/s (2012).
The wettest December on record was 1997 with 40 mm. On average, December sees 7 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 New Delhi 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.
