December is one of the cooler months of the year in Nellore, with average highs near 28.4°C and lows around 19.7°C (mean 24°C). It is a relatively wet time of year, averaging 96 mm of rainfall and 79% relative humidity across the period.
December is one of the cooler months of the year in Nellore. Across 45 years of records, the warmest December in Nellore was 2019 — when the month averaged 25.5°C — while the coldest was 1981 at 22.3°C. Typical December days reach 28.4°C with nights near 19.7°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 | 24.3°C | 23.9°C | 23.7°C | 24.3°C | 24.4°C | +0.1°C |
| Avg High | 28.5°C | 28.0°C | 28.1°C | 28.9°C | 28.7°C | +0.2°C |
| Avg Low | 20.0°C | 19.7°C | 19.4°C | 19.7°C | 20.1°C | +0.1°C |
| Avg Rain | 81 mm | 97 mm | 69 mm | 82 mm | 188 mm | +108 mm |
December temperatures in Nellore have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 17°C (1981) to a record high of 30°C (2016).
Rainfall in December is a relatively wet time of year, averaging 96 mm, with a wettest year of 405 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0°C per decade, widening the gap between day and night.
One of the best times to visit Nellore
December is one of the best times to visit Nellore. Expect days averaging 28.4°C and nights around 19.7°C (mean 24°C) — cooler than Nellore's yearly average — with higher rainfall (96 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 28.0°C | 19.3°C | 23.7°C | 148 mm | 79% | 3.1 m/s | — |
| 2024 | 29.2°C | 20.6°C | 24.9°C | 159 mm | 87% | 3.4 m/s | 3.3 |
| 2023 🌧️ | 29.2°C | 21.4°C | 25.3°C | 405 mm | 82% | 3.6 m/s | 3.6 |
| 2022 | 28.8°C | 20.7°C | 24.7°C | 211 mm | 84% | 3.2 m/s | 3.8 |
| 2021 | 29.1°C | 18.9°C | 24.0°C | 60 mm | 80% | 2.8 m/s | 4.2 |
| 2020 | 27.8°C | 19.7°C | 23.8°C | 147 mm | 79% | 3.1 m/s | 3.9 |
| 2019 🔥 | 28.4°C | 22.5°C | 25.5°C | 96 mm | 81% | 3.2 m/s | 3.6 |
| 2018 | 29.7°C | 18.8°C | 24.3°C | 65 mm | 77% | 3.1 m/s | 3.9 |
| 2017 | 29.0°C | 19.6°C | 24.3°C | 4 mm | 76% | 2.8 m/s | 4.5 |
| 2016 | 30.0°C | 18.2°C | 24.1°C | 154 mm | 73% | 2.9 m/s | 4.3 |
| 2015 | 28.5°C | 20.6°C | 24.5°C | 87 mm | 81% | 2.5 m/s | 4.5 |
| 2014 | 28.6°C | 19.8°C | 24.2°C | 137 mm | 79% | 3 m/s | 3.7 |
| 2013 | 28.6°C | 19.1°C | 23.9°C | 5 mm | 74% | 3.4 m/s | 4.4 |
| 2012 | 28.7°C | 20.9°C | 24.8°C | 111 mm | 80% | 3.1 m/s | 4.1 |
| 2011 | 28.8°C | 19.4°C | 24.1°C | 56 mm | 79% | 3 m/s | 4.1 |
| 2010 | 28.7°C | 18.1°C | 23.4°C | 104 mm | 80% | 3.3 m/s | 3.7 |
| 2009 | 27.9°C | 21.7°C | 24.8°C | 118 mm | 80% | 3.2 m/s | 3.7 |
| 2008 | 28.0°C | 19.4°C | 23.7°C | 4 mm | 78% | 2.3 m/s | 4.7 |
| 2007 | 28.4°C | 17.6°C | 23.0°C | 68 mm | 80% | 3.1 m/s | 4.1 |
| 2006 | 28.1°C | 19.3°C | 23.7°C | 21 mm | 77% | 2.8 m/s | 4.2 |
| 2005 | 27.6°C | 18.6°C | 23.1°C | 124 mm | 83% | 3.5 m/s | 3.8 |
| 2004 | 27.6°C | 19.7°C | 23.7°C | 2 mm | 77% | 2.6 m/s | 4.8 |
| 2003 | 29.3°C | 20.6°C | 24.9°C | 84 mm | 74% | 3.4 m/s | 4.3 |
| 2002 | 27.7°C | 18.6°C | 23.1°C | 18 mm | 78% | 2.2 m/s | 4.7 |
| 2001 | 27.8°C | 19.7°C | 23.7°C | 149 mm | 77% | 2.9 m/s | 4.2 |
| 2000 | 28.5°C | 18.5°C | 23.5°C | 102 mm | 79% | 2.8 m/s | 4.3 |
| 1999 | 28.3°C | 20.4°C | 24.3°C | 21 mm | 75% | 3.1 m/s | 4.5 |
| 1998 | 28.2°C | 20.1°C | 24.2°C | 38 mm | 76% | 3.2 m/s | 4.3 |
| 1997 | 28.9°C | 21.5°C | 25.2°C | 282 mm | 84% | 3 m/s | 3.9 |
| 1996 | 27.5°C | 18.1°C | 22.8°C | 265 mm | 80% | 3.5 m/s | 3.8 |
| 1995 | 28.7°C | 20.3°C | 24.5°C | 8 mm | 70% | 2.9 m/s | 4.8 |
| 1994 | 27.3°C | 17.6°C | 22.5°C | 162 mm | 76% | 2.7 m/s | 4.4 |
| 1993 | 27.3°C | 19.2°C | 23.2°C | 159 mm | 82% | 3.4 m/s | 3.9 |
| 1992 | 27.3°C | 19.4°C | 23.4°C | 16 mm | 76% | 3 m/s | 4.7 |
| 1991 | 28.0°C | 20.0°C | 24.0°C | 12 mm | 81% | 2.9 m/s | 4.4 |
| 1990 | 28.7°C | 20.3°C | 24.5°C | 2 mm | 78% | 3.4 m/s | 4.4 |
| 1989 | 28.9°C | 20.5°C | 24.7°C | 85 mm | 75% | 3.2 m/s | 4.3 |
| 1988 | 29.3°C | 20.3°C | 24.8°C | 100 mm | 77% | 3.1 m/s | 4.2 |
| 1987 | 28.5°C | 20.6°C | 24.5°C | 151 mm | 81% | 3.6 m/s | 3.7 |
| 1986 | 29.1°C | 20.8°C | 25.0°C | 19 mm | 77% | 3.5 m/s | 4.6 |
| 1985 | 28.0°C | 20.3°C | 24.2°C | 125 mm | 80% | 2.7 m/s | 4.6 |
| 1984 | 28.1°C | 18.9°C | 23.5°C | 46 mm | 81% | 2.7 m/s | 4.2 |
| 1983 | 28.5°C | 20.8°C | 24.7°C | 101 mm | 80% | 3.8 m/s | — |
| 1982 | 28.5°C | 21.0°C | 24.7°C | 4 mm | 76% | 3 m/s | — |
| 1981 ❄️ | 27.6°C | 17.0°C | 22.3°C | 96 mm | 81% | 3.5 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 28.4°C with lows near 19.7°C (mean 24°C), based on 45 years of NASA POWER data.
December averages 96 mm of rainfall in Nellore, a relatively wet time of year. The wettest on record was 405 mm in 2023.
The hottest December reached 30°C in 2016. The coldest dipped to 17°C in 1981.
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 28.1°C to 28.9°C and overnight lows from 19.6°C to 20.2°C over the same span.
December is one of the cooler months of the year in Nellore and a relatively wet time of year, so plan for around 28.4°C daytime highs and 19.7°C at night.
Yes — December is the coldest month of the year in Nellore, averaging 24°C.
For December in Nellore, pack light layers you can adjust through the day, with typical highs of 28.4°C and lows of 19.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 79% — quite humid.
Average wind speed in December is 3.1 m/s. The windiest December on record averaged 3.8 m/s (1983).
The wettest December on record was 2023 with 405 mm. On average, December sees 96 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 Nellore 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.
