December is one of the cooler months of the year in Udham Singh Nagar, with average highs near 27°C and lows around 6.5°C (mean 16.8°C). It is one of the drier months, averaging 10 mm of rainfall and 44% relative humidity across the period.
December is one of the cooler months of the year in Udham Singh Nagar. Across 45 years of records, the warmest December in Udham Singh Nagar was 1987 — when the month averaged 19.6°C — while the coldest was 2019 at 14.1°C. Typical December days reach 27°C with nights near 6.5°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 | 16.8°C | 16.8°C | 16.9°C | 16.4°C | 16.6°C | -0.2°C |
| Avg High | 27.5°C | 27.0°C | 26.8°C | 26.7°C | 27.0°C | -0.5°C |
| Avg Low | 6.2°C | 6.7°C | 6.9°C | 6.2°C | 6.3°C | +0.1°C |
| Avg Rain | 12 mm | 10 mm | 8 mm | 15 mm | 5 mm | -7 mm |
December temperatures in Udham Singh Nagar have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 3.3°C (2019) to a record high of 31.4°C (1987).
Rainfall in December is one of the drier months, averaging 10 mm, with a wettest year of 69 mm.
A good time to visit Udham Singh Nagar
December is a good time to visit Udham Singh Nagar, with days averaging 27°C and nights around 6.5°C (mean 16.8°C, cooler than Udham Singh Nagar's yearly average) and low rainfall. November and March are marginally more temperate, but December still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 25.7°C | 6.3°C | 16.0°C | 0 mm | 59% | 1.2 m/s | — |
| 2024 | 26.5°C | 7.2°C | 16.8°C | 16 mm | 53% | 1.4 m/s | 2.9 |
| 2023 | 27.9°C | 8.3°C | 18.1°C | 3 mm | 52% | 1.3 m/s | 2.8 |
| 2022 | 26.9°C | 6.2°C | 16.5°C | 0 mm | 62% | 1.3 m/s | 3 |
| 2021 | 25.5°C | 4.5°C | 15.0°C | 5 mm | 62% | 1.2 m/s | 2.7 |
| 2020 | 29.6°C | 5.1°C | 17.3°C | 6 mm | 37% | 1.6 m/s | 2.7 |
| 2019 ❄️ 🌧️ | 24.8°C | 3.3°C | 14.1°C | 69 mm | 56% | 1.4 m/s | 2.1 |
| 2018 | 24.6°C | 4.7°C | 14.7°C | 1 mm | 52% | 1.3 m/s | 3.1 |
| 2017 | 27.8°C | 7.5°C | 17.7°C | 5 mm | 45% | 1.4 m/s | 2.7 |
| 2016 | 29.0°C | 7.8°C | 18.4°C | 2 mm | 37% | 1.5 m/s | 2.7 |
| 2015 | 30.5°C | 6.3°C | 18.4°C | 1 mm | 40% | 1.6 m/s | 2.9 |
| 2014 | 29.5°C | 5.3°C | 17.4°C | 30 mm | 42% | 1.8 m/s | 2.6 |
| 2013 | 24.8°C | 6.8°C | 15.8°C | 11 mm | 59% | 1.5 m/s | 2.9 |
| 2012 | 25.8°C | 6.4°C | 16.1°C | 9 mm | 50% | 1.8 m/s | 2.8 |
| 2011 | 25.6°C | 6.6°C | 16.1°C | 3 mm | 51% | 1.3 m/s | 2.6 |
| 2010 | 24.7°C | 7.0°C | 15.8°C | 14 mm | 62% | 1.3 m/s | 3.1 |
| 2009 | 25.2°C | 5.5°C | 15.4°C | 3 mm | 49% | 1.4 m/s | 3 |
| 2008 | 27.6°C | 7.2°C | 17.4°C | 0 mm | 58% | 1.3 m/s | 2.8 |
| 2007 | 27.0°C | 7.0°C | 17.0°C | 2 mm | 45% | 1.6 m/s | 3.1 |
| 2006 | 26.3°C | 7.4°C | 16.9°C | 10 mm | 44% | 1.5 m/s | 2.9 |
| 2005 | 25.4°C | 7.8°C | 16.6°C | 3 mm | 42% | 1.4 m/s | 3.2 |
| 2004 | 27.0°C | 5.7°C | 16.3°C | 1 mm | 47% | 1.5 m/s | 2.9 |
| 2003 | 28.0°C | 5.5°C | 16.7°C | 21 mm | 60% | 1.2 m/s | 2.6 |
| 2002 | 26.4°C | 7.1°C | 16.7°C | 37 mm | 41% | 1.5 m/s | 3 |
| 2001 | 27.8°C | 8.6°C | 18.2°C | 3 mm | 30% | 1.4 m/s | 2.8 |
| 2000 | 27.6°C | 7.2°C | 17.4°C | 1 mm | 32% | 1.4 m/s | 3.4 |
| 1999 | 26.8°C | 7.5°C | 17.1°C | 4 mm | 32% | 1.4 m/s | 3.5 |
| 1998 | 26.4°C | 6.9°C | 16.6°C | 0 mm | 42% | 1.2 m/s | 3.2 |
| 1997 | 27.7°C | 3.9°C | 15.8°C | 58 mm | 55% | 1.4 m/s | 2.7 |
| 1996 | 26.1°C | 5.8°C | 16.0°C | 0 mm | 37% | 1.4 m/s | 3.5 |
| 1995 | 26.9°C | 8.1°C | 17.5°C | 3 mm | 40% | 1.7 m/s | 3.3 |
| 1994 | 28.7°C | 6.0°C | 17.3°C | 0 mm | 34% | 1.5 m/s | 3.4 |
| 1993 | 28.4°C | 7.6°C | 18.0°C | 0 mm | 21% | 1.5 m/s | 3.2 |
| 1992 | 26.6°C | 7.9°C | 17.3°C | 0 mm | 37% | 1.5 m/s | 3.2 |
| 1991 | 26.2°C | 5.6°C | 15.9°C | 29 mm | 46% | 1.5 m/s | 3.1 |
| 1990 | 26.2°C | 7.5°C | 16.8°C | 8 mm | 42% | 1.7 m/s | 3.2 |
| 1989 | 27.2°C | 7.0°C | 17.1°C | 13 mm | 33% | 1.5 m/s | 3.1 |
| 1988 | 26.6°C | 9.0°C | 17.8°C | 10 mm | 42% | 1.5 m/s | 3 |
| 1987 🔥 | 31.4°C | 7.9°C | 19.6°C | 6 mm | 20% | 1.4 m/s | 3 |
| 1986 | 27.7°C | 6.8°C | 17.3°C | 26 mm | 39% | 1.6 m/s | 3.1 |
| 1985 | 28.0°C | 4.0°C | 16.0°C | 24 mm | 56% | 1.7 m/s | 3 |
| 1984 | 27.3°C | 5.0°C | 16.1°C | 2 mm | 35% | 1.9 m/s | 3 |
| 1983 | 25.5°C | 3.9°C | 14.7°C | 12 mm | 42% | 1.4 m/s | — |
| 1982 | 27.6°C | 4.7°C | 16.2°C | 12 mm | 42% | 1.9 m/s | — |
| 1981 | 26.2°C | 7.1°C | 16.7°C | 3 mm | 39% | 1.5 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 27°C with lows near 6.5°C (mean 16.8°C), based on 45 years of NASA POWER data.
December averages 10 mm of rainfall in Udham Singh Nagar, one of the drier months. The wettest on record was 69 mm in 2019.
The hottest December reached 31.4°C in 1987. The coldest dipped to 3.3°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.6°C. Daytime highs moved from 26.9°C to 26.5°C and overnight lows from 4.9°C to 6.5°C over the same span.
December is one of the cooler months of the year in Udham Singh Nagar and one of the drier months, so plan for around 27°C daytime highs and 6.5°C at night.
Not quite — December is the 2nd coolest month in Udham Singh Nagar, averaging 16.8°C.
For December in Udham Singh Nagar, pack warm layers and a jacket for chilly mornings, with typical highs of 27°C and lows of 6.5°C.
Relative humidity in December averages 44% — relatively dry.
Average wind speed in December is 1.5 m/s. The windiest December on record averaged 1.9 m/s (1982).
The wettest December on record was 2019 with 69 mm. On average, December sees 10 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 Udham Singh Nagar 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.
