December is one of the cooler months of the year in Sanchor, with average highs near 32°C and lows around 7.9°C (mean 20°C). It is one of the drier months, averaging 1 mm of rainfall and 30% relative humidity across the period.
December is one of the cooler months of the year in Sanchor. Across 45 years of records, the warmest December in Sanchor was 2000 — when the month averaged 22.1°C — while the coldest was 1983 at 17.4°C. Typical December days reach 32°C with nights near 7.9°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 | 19.7°C | 20.3°C | 20.6°C | 19.4°C | 19.7°C | 0°C |
| Avg High | 32.0°C | 32.4°C | 32.6°C | 31.4°C | 31.2°C | -0.8°C |
| Avg Low | 7.3°C | 8.1°C | 8.6°C | 7.4°C | 8.3°C | +1°C |
| Avg Rain | 1 mm | 0 mm | 3 mm | 1 mm | 2 mm | +1 mm |
December temperatures in Sanchor have risen by about 0.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 3.2°C (1986) to a record high of 34.6°C (2008).
Rainfall in December is one of the drier months, averaging 1 mm, with a wettest year of 11 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
One of the best times to visit Sanchor
December is one of the best times to visit Sanchor. Expect days averaging 32°C and nights around 7.9°C (mean 20°C) — cooler than Sanchor's yearly average — with low rainfall (1 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 31.9°C | 10.6°C | 21.3°C | 3 mm | 40% | 1.3 m/s | — |
| 2024 | 31.3°C | 7.6°C | 19.5°C | 1 mm | 38% | 1.9 m/s | 3.9 |
| 2023 | 29.9°C | 11.2°C | 20.5°C | 2 mm | 43% | 1.7 m/s | 3.9 |
| 2022 | 31.9°C | 8.2°C | 20.1°C | 0 mm | 35% | 1.7 m/s | 4.2 |
| 2021 | 29.7°C | 6.5°C | 18.1°C | 5 mm | 41% | 1.7 m/s | 3.8 |
| 2020 | 32.4°C | 5.5°C | 18.9°C | 0 mm | 39% | 1.8 m/s | 4.1 |
| 2019 | 29.4°C | 6.1°C | 17.7°C | 2 mm | 51% | 2.2 m/s | 3.9 |
| 2018 | 30.6°C | 7.2°C | 18.9°C | 0 mm | 25% | 1.9 m/s | 4.2 |
| 2017 | 31.1°C | 8.4°C | 19.8°C | 6 mm | 34% | 2.1 m/s | 3.8 |
| 2016 | 33.0°C | 10.2°C | 21.6°C | 0 mm | 30% | 1.5 m/s | 4.4 |
| 2015 | 32.4°C | 6.8°C | 19.6°C | 0 mm | 23% | 1.9 m/s | 4.4 |
| 2014 | 32.3°C | 7.3°C | 19.8°C | 1 mm | 26% | 1.9 m/s | 4.2 |
| 2013 | 31.6°C | 4.7°C | 18.1°C | 0 mm | 32% | 1.8 m/s | 4.3 |
| 2012 | 31.5°C | 7.6°C | 19.5°C | 0 mm | 36% | 2.4 m/s | 4.2 |
| 2011 | 32.8°C | 7.6°C | 20.2°C | 0 mm | 32% | 1.9 m/s | 4.3 |
| 2010 | 29.0°C | 7.8°C | 18.4°C | 2 mm | 45% | 1.8 m/s | 4.3 |
| 2009 | 32.1°C | 9.8°C | 20.9°C | 0 mm | 31% | 2 m/s | 4 |
| 2008 🌧️ | 34.6°C | 9.1°C | 21.8°C | 11 mm | 36% | 2.1 m/s | 4 |
| 2007 | 30.6°C | 5.9°C | 18.2°C | 5 mm | 29% | 2.3 m/s | 4.1 |
| 2006 | 30.0°C | 8.7°C | 19.4°C | 1 mm | 42% | 2 m/s | 4.2 |
| 2005 | 31.6°C | 6.5°C | 19.1°C | 0 mm | 21% | 2.1 m/s | 4.3 |
| 2004 | 33.3°C | 9.5°C | 21.4°C | 0 mm | 28% | 1.9 m/s | 3.9 |
| 2003 | 33.1°C | 6.6°C | 19.8°C | 4 mm | 30% | 2.1 m/s | 4.3 |
| 2002 | 33.3°C | 10.1°C | 21.7°C | 5 mm | 26% | 1.8 m/s | 4.1 |
| 2001 | 33.6°C | 9.6°C | 21.6°C | 4 mm | 21% | 1.8 m/s | 4.3 |
| 2000 🔥 | 33.8°C | 10.4°C | 22.1°C | 0 mm | 19% | 1.8 m/s | 4.4 |
| 1999 | 33.6°C | 10.2°C | 21.9°C | 0 mm | 16% | 2 m/s | 4.4 |
| 1998 | 33.6°C | 10.4°C | 22.0°C | 0 mm | 20% | 1.8 m/s | 4.1 |
| 1997 | 28.6°C | 6.4°C | 17.5°C | 0 mm | 40% | 2.8 m/s | 4.5 |
| 1996 | 30.9°C | 8.0°C | 19.5°C | 0 mm | 19% | 2.1 m/s | 4.5 |
| 1995 | 31.4°C | 9.2°C | 20.3°C | 1 mm | 31% | 2.3 m/s | 4.4 |
| 1994 | 32.7°C | 4.3°C | 18.5°C | 0 mm | 27% | 1.8 m/s | 4.6 |
| 1993 | 33.8°C | 9.5°C | 21.7°C | 0 mm | 17% | 1.9 m/s | 4.6 |
| 1992 | 32.0°C | 10.6°C | 21.3°C | 0 mm | 28% | 1.7 m/s | 4.5 |
| 1991 | 33.5°C | 8.7°C | 21.1°C | 0 mm | 24% | 1.7 m/s | 4.5 |
| 1990 | 33.5°C | 3.8°C | 18.7°C | 0 mm | 27% | 2.1 m/s | 4.2 |
| 1989 | 32.4°C | 7.7°C | 20.0°C | 0 mm | 27% | 2.1 m/s | 4.5 |
| 1988 | 33.5°C | 9.0°C | 21.2°C | 0 mm | 24% | 1.7 m/s | 4.5 |
| 1987 | 32.1°C | 10.1°C | 21.1°C | 3 mm | 21% | 1.9 m/s | 4.3 |
| 1986 | 33.6°C | 3.2°C | 18.4°C | 5 mm | 20% | 2.5 m/s | 4.5 |
| 1985 | 31.6°C | 6.3°C | 18.9°C | 0 mm | 27% | 2.1 m/s | 4.4 |
| 1984 | 33.2°C | 6.4°C | 19.8°C | 0 mm | 20% | 2.2 m/s | 4.7 |
| 1983 ❄️ | 31.1°C | 3.7°C | 17.4°C | 0 mm | 27% | 2.2 m/s | — |
| 1982 | 31.3°C | 9.1°C | 20.2°C | 0 mm | 31% | 2.2 m/s | — |
| 1981 | 29.6°C | 10.3°C | 20.0°C | 0 mm | 38% | 2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 32°C with lows near 7.9°C (mean 20°C), based on 45 years of NASA POWER data.
December averages 1 mm of rainfall in Sanchor, one of the drier months. The wettest on record was 11 mm in 2008.
The hottest December reached 34.6°C in 2008. The coldest dipped to 3.2°C in 1986.
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 31.4°C to 30.9°C and overnight lows from 7.2°C to 8.8°C over the same span.
December is one of the cooler months of the year in Sanchor and one of the drier months, so plan for around 32°C daytime highs and 7.9°C at night.
Not quite — December is the 2nd coolest month in Sanchor, averaging 20°C.
For December in Sanchor, pack light, breathable clothing and sun protection, with typical highs of 32°C and lows of 7.9°C.
Relative humidity in December averages 30% — relatively dry.
Average wind speed in December is 2 m/s. The windiest December on record averaged 2.8 m/s (1997).
The wettest December on record was 2008 with 11 mm. On average, December sees 1 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 Sanchor 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.
