December is one of the cooler months of the year in Lucknow, with average highs near 24.3°C and lows around 9.7°C (mean 17°C). It is one of the drier months, averaging 8 mm of rainfall and 49% relative humidity across the period.
December is one of the cooler months of the year in Lucknow. Across 45 years of records, the warmest December in Lucknow was 1994 — when the month averaged 18.7°C — while the coldest was 2019 at 13.9°C. Typical December days reach 24.3°C with nights near 9.7°C. The long-term trend is cooling, about 0.4°C per decade.
December is one of the drier months in Lucknow, averaging 8 mm of rainfall. The wettest December on record was 1997 with 66 mm, while the driest were 2018, 2020 and 2025, among others at 0 mm.
Relative humidity in Lucknow during December averages 49%. The most humid December was 2019 at 75%, and the least humid was 1993 at 23%.
December receives about 3.2 kWh/m²/day of solar energy in Lucknow. The sunniest Decembers were 1994 and 1999 at 3.8 kWh/m²/day, and the cloudiest was 2019 at 2.2.
Average wind speed in Lucknow during December is 1.5 m/s. The windiest December was 1982 at 2.1 m/s, while the calmest were 1987, 1998 and 2011 at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.3°C | 17.7°C | 17.0°C | 16.3°C | 16.3°C | -1°C |
| Avg High | 24.7°C | 25.4°C | 24.2°C | 23.5°C | 23.2°C | -1.5°C |
| Avg Low | 9.8°C | 10.0°C | 9.9°C | 9.1°C | 9.4°C | -0.4°C |
| Avg Rain | 13 mm | 11 mm | 5 mm | 7 mm | 4 mm | -9 mm |
December temperatures in Lucknow have fallen by about 0.8°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 1.8°C (2019) to a record high of 32.3°C (2015).
Rainfall in December is one of the drier months, averaging 8 mm, with a wettest year of 66 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows fell 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Lucknow
December is a good time to visit Lucknow, with days averaging 24.3°C and nights around 9.7°C (mean 17°C, cooler than Lucknow's yearly average) and low rainfall. November and February 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 | 22.4°C | 15.1°C | 7.9°C | 25.0°C | 5.6°C | 0 mm | 66% | 1.4 m/s | — |
| 2024 | 24.0°C | 16.7°C | 9.4°C | 27.7°C | 3.9°C | 2 mm | 59% | 1.6 m/s | 2.8 |
| 2023 | 24.3°C | 17.8°C | 11.4°C | 29.9°C | 7.6°C | 8 mm | 57% | 1.4 m/s | 2.6 |
| 2022 | 22.2°C | 15.4°C | 8.6°C | 25.3°C | 5.4°C | 0 mm | 71% | 1.6 m/s | 3.2 |
| 2021 | 21.0°C | 15.0°C | 8.9°C | 25.7°C | 1.9°C | 14 mm | 70% | 1.5 m/s | 2.8 |
| 2020 | 25.5°C | 17.8°C | 10.2°C | 29.9°C | 4.5°C | 0 mm | 41% | 2 m/s | 3 |
| 2019 ❄️ | 19.6°C | 13.9°C | 8.1°C | 23.9°C | 1.8°C | 30 mm | 75% | 1.5 m/s | 2.2 |
| 2018 | 23.3°C | 16.0°C | 8.7°C | 26.5°C | 2.8°C | 0 mm | 52% | 1.5 m/s | 3.3 |
| 2017 | 24.5°C | 17.7°C | 10.9°C | 28.1°C | 5.9°C | 0 mm | 48% | 1.4 m/s | 2.8 |
| 2016 | 25.1°C | 17.4°C | 9.8°C | 27.8°C | 6.1°C | 0 mm | 47% | 1.4 m/s | 2.6 |
| 2015 | 25.8°C | 18.2°C | 10.7°C | 32.3°C | 6.1°C | 6 mm | 32% | 1.6 m/s | 3 |
| 2014 | 23.6°C | 15.8°C | 7.9°C | 30.0°C | 4.0°C | 23 mm | 44% | 1.9 m/s | 2.8 |
| 2013 | 24.1°C | 16.7°C | 9.2°C | 26.5°C | 6.0°C | 3 mm | 61% | 1.7 m/s | 3 |
| 2012 | 22.9°C | 15.4°C | 7.9°C | 25.5°C | 4.3°C | 0 mm | 56% | 1.9 m/s | 3 |
| 2011 | 22.9°C | 16.1°C | 9.2°C | 26.1°C | 5.3°C | 2 mm | 55% | 1.1 m/s | 2.9 |
| 2010 | 22.8°C | 15.7°C | 8.6°C | 26.7°C | 4.3°C | 4 mm | 64% | 1.4 m/s | 3.4 |
| 2009 | 22.8°C | 16.2°C | 9.7°C | 25.6°C | 4.8°C | 7 mm | 64% | 1.5 m/s | 3.2 |
| 2008 | 22.8°C | 16.7°C | 10.5°C | 26.7°C | 6.8°C | 1 mm | 74% | 1.2 m/s | 2.9 |
| 2007 | 23.9°C | 16.3°C | 8.7°C | 26.5°C | 3.9°C | 1 mm | 48% | 1.6 m/s | 3.3 |
| 2006 | 25.5°C | 18.1°C | 10.7°C | 30.1°C | 6.7°C | 6 mm | 47% | 1.6 m/s | 3.3 |
| 2005 | 23.8°C | 16.4°C | 9.0°C | 27.8°C | 5.2°C | 4 mm | 46% | 1.4 m/s | 3.3 |
| 2004 | 24.6°C | 17.6°C | 10.6°C | 28.1°C | 3.8°C | 0 mm | 50% | 1.4 m/s | 3 |
| 2003 | 23.7°C | 16.9°C | 10.0°C | 29.0°C | 5.7°C | 14 mm | 59% | 1.3 m/s | 2.9 |
| 2002 | 25.1°C | 17.9°C | 10.7°C | 27.6°C | 6.6°C | 20 mm | 42% | 1.4 m/s | 3.3 |
| 2001 | 24.8°C | 17.3°C | 9.8°C | 28.0°C | 6.1°C | 0 mm | 40% | 1.2 m/s | 3.1 |
| 2000 | 24.8°C | 17.0°C | 9.3°C | 27.0°C | 6.0°C | 1 mm | 37% | 1.3 m/s | 3.7 |
| 1999 | 25.6°C | 17.8°C | 10.0°C | 28.2°C | 6.3°C | 3 mm | 34% | 1.2 m/s | 3.8 |
| 1998 | 25.3°C | 17.6°C | 10.0°C | 28.0°C | 5.3°C | 0 mm | 38% | 1.1 m/s | 3.3 |
| 1997 🌧️ | 21.9°C | 15.8°C | 9.8°C | 27.4°C | 4.8°C | 66 mm | 63% | 1.4 m/s | 2.5 |
| 1996 | 25.1°C | 16.7°C | 8.2°C | 27.0°C | 2.9°C | 0 mm | 37% | 1.5 m/s | 3.1 |
| 1995 | 26.3°C | 18.6°C | 10.8°C | 29.4°C | 6.0°C | 6 mm | 39% | 1.8 m/s | 3 |
| 1994 🔥 | 27.1°C | 18.7°C | 10.3°C | 31.3°C | 4.7°C | 0 mm | 27% | 1.5 m/s | 3.8 |
| 1993 | 26.5°C | 18.4°C | 10.2°C | 29.6°C | 6.2°C | 0 mm | 23% | 1.2 m/s | 3.2 |
| 1992 | 26.2°C | 18.5°C | 10.8°C | 27.8°C | 6.9°C | 0 mm | 40% | 1.4 m/s | 3.6 |
| 1991 | 24.3°C | 17.3°C | 10.2°C | 27.1°C | 6.0°C | 32 mm | 50% | 1.5 m/s | 3.5 |
| 1990 | 25.6°C | 17.9°C | 10.1°C | 27.6°C | 5.6°C | 2 mm | 43% | 1.7 m/s | 3.5 |
| 1989 | 25.1°C | 17.7°C | 10.3°C | 27.7°C | 6.9°C | 8 mm | 38% | 1.4 m/s | 3.2 |
| 1988 | 25.8°C | 18.4°C | 11.0°C | 28.3°C | 7.4°C | 16 mm | 43% | 1.5 m/s | 3.2 |
| 1987 | 25.7°C | 17.8°C | 10.0°C | 29.9°C | 5.1°C | 7 mm | 33% | 1.1 m/s | 3.4 |
| 1986 | 25.1°C | 17.6°C | 10.2°C | 28.6°C | 4.6°C | 36 mm | 42% | 1.7 m/s | 3.5 |
| 1985 | 22.3°C | 15.9°C | 9.5°C | 25.9°C | 3.9°C | 5 mm | 72% | 1.8 m/s | 3.6 |
| 1984 | 26.5°C | 17.9°C | 9.3°C | 29.2°C | 3.6°C | 3 mm | 35% | 2 m/s | 3.7 |
| 1983 | 24.3°C | 17.0°C | 9.6°C | 27.6°C | 5.1°C | 24 mm | 48% | 1.5 m/s | — |
| 1982 | 24.8°C | 17.2°C | 9.6°C | 27.9°C | 6.3°C | 9 mm | 48% | 2.1 m/s | — |
| 1981 | 23.1°C | 15.8°C | 8.5°C | 25.6°C | 6.0°C | 7 mm | 56% | 1.5 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 9.7°C (mean 17°C), based on 45 years of NASA POWER data.
December averages 8 mm of rainfall in Lucknow, one of the drier months. The wettest on record was 66 mm in 1997.
The hottest December reached 32.3°C in 2015. The coldest dipped to 1.8°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have fallen by about 0.8°C. Daytime highs moved from 24.2°C to 22.8°C and overnight lows from 9.3°C to 9.2°C over the same span.
December is one of the cooler months of the year in Lucknow and one of the drier months, so plan for around 24.3°C daytime highs and 9.7°C at night.
Not quite — December is the 2nd coolest month in Lucknow, averaging 17°C.
For December in Lucknow, pack light layers you can adjust through the day, with typical highs of 24.3°C and lows of 9.7°C.
Relative humidity in December averages 49% — relatively dry.
Average wind speed in December is 1.5 m/s. The windiest December on record averaged 2.1 m/s (1982).
The wettest December on record was 1997 with 66 mm. On average, December sees 8 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 Lucknow 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.
