December is one of the cooler months of the year in Anjaw, with average highs near 9.6°C and lows around -0.9°C (mean 4.4°C). It is one of the drier months, averaging 12 mm of rainfall and 71% relative humidity across the period.
December is one of the cooler months of the year in Anjaw. Across 45 years of records, the warmest Decembers in Anjaw were 2016 and 2017 — when the month averaged 6.4°C — while the coldest was 1982 at 2.8°C. Typical December days reach 9.6°C with nights near -0.9°C. The long-term trend is warming, about 0.3°C per decade.
December is one of the drier months in Anjaw, averaging 12 mm of rainfall. The wettest December on record was 1985 with 54 mm, while the driest was 1993 at 0 mm.
Relative humidity in Anjaw during December averages 71%. The most humid December was 2022 at 79%, and the least humid was 2000 at 55%.
December receives about 3.6 kWh/m²/day of solar energy in Anjaw. The sunniest Decembers were 1996 and 1998 at 4 kWh/m²/day, and the cloudiest was 2009 at 3.
Average wind speed in Anjaw during December is 0.7 m/s. The windiest Decembers were 2010, 2011 and 2024, among others at 0.8 m/s, while the calmest were 2022, 2023 and 2025, among others at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.8°C | 4.1°C | 4.6°C | 4.5°C | 4.9°C | +1.1°C |
| Avg High | 8.9°C | 9.5°C | 10.1°C | 9.6°C | 9.8°C | +0.9°C |
| Avg Low | -1.4°C | -1.3°C | -0.8°C | -0.6°C | -0.1°C | +1.3°C |
| Avg Rain | 24 mm | 7 mm | 4 mm | 10 mm | 15 mm | -10 mm |
December temperatures in Anjaw have risen by about 1.6°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -8.3°C (1982) to a record high of 18°C (2016).
Rainfall in December is one of the drier months, averaging 12 mm, with a wettest year of 54 mm.
A quieter season to visit Anjaw
If your dates are flexible, the more temperate months of August and September tend to be the most comfortable for visiting Anjaw. That said, December — with days averaging 9.6°C and nights around -0.9°C (mean 4.4°C) and low rainfall (12 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 11.2°C | 5.8°C | 0.5°C | 14.4°C | -1.6°C | 4 mm | 71% | 0.7 m/s | — |
| 2024 | 9.7°C | 4.7°C | -0.3°C | 14.1°C | -2.7°C | 1 mm | 71% | 0.8 m/s | 3.7 |
| 2023 | 10.4°C | 5.3°C | 0.2°C | 12.7°C | -2.7°C | 39 mm | 76% | 0.7 m/s | 3.5 |
| 2022 | 9.3°C | 4.6°C | -0.2°C | 12.1°C | -4.1°C | 21 mm | 79% | 0.7 m/s | 3.2 |
| 2021 | 9.3°C | 4.6°C | -0.2°C | 13.2°C | -2.8°C | 15 mm | 77% | 0.7 m/s | 3.5 |
| 2020 | 9.1°C | 4.3°C | -0.5°C | 12.5°C | -3.6°C | 9 mm | 77% | 0.7 m/s | 3.7 |
| 2019 | 8.4°C | 3.6°C | -1.3°C | 10.6°C | -4.0°C | 6 mm | 77% | 0.7 m/s | 3.4 |
| 2018 | 8.8°C | 3.6°C | -1.6°C | 10.7°C | -5.9°C | 23 mm | 74% | 0.7 m/s | 3.7 |
| 2017 | 11.9°C | 6.4°C | 1.0°C | 15.1°C | -1.3°C | 1 mm | 76% | 0.7 m/s | 3.7 |
| 2016 🔥 | 11.8°C | 6.4°C | 1.0°C | 18.0°C | -2.1°C | 6 mm | 72% | 0.7 m/s | 3.6 |
| 2015 | 8.0°C | 3.3°C | -1.3°C | 12.3°C | -5.8°C | 15 mm | 78% | 0.7 m/s | 3.1 |
| 2014 | 10.2°C | 5.1°C | -0.1°C | 12.6°C | -3.4°C | 6 mm | 75% | 0.7 m/s | 3.5 |
| 2013 | 8.5°C | 3.6°C | -1.3°C | 12.7°C | -4.2°C | 4 mm | 78% | 0.7 m/s | 3.2 |
| 2012 | 9.4°C | 4.3°C | -0.7°C | 13.1°C | -3.8°C | 12 mm | 78% | 0.7 m/s | 3.4 |
| 2011 | 9.4°C | 4.3°C | -0.8°C | 13.4°C | -3.0°C | 22 mm | 71% | 0.8 m/s | 3.4 |
| 2010 | 9.7°C | 4.1°C | -1.4°C | 15.1°C | -5.2°C | 6 mm | 66% | 0.8 m/s | 3.7 |
| 2009 | 8.8°C | 3.9°C | -1.0°C | 11.8°C | -3.5°C | 7 mm | 75% | 0.7 m/s | 3 |
| 2008 | 10.6°C | 5.3°C | 0.1°C | 14.9°C | -2.5°C | 1 mm | 73% | 0.7 m/s | 3.3 |
| 2007 | 10.2°C | 4.7°C | -0.7°C | 13.1°C | -4.3°C | 3 mm | 62% | 0.8 m/s | 3.5 |
| 2006 | 10.3°C | 4.8°C | -0.6°C | 13.5°C | -2.7°C | 7 mm | 66% | 0.8 m/s | 3.5 |
| 2005 | 10.6°C | 5.0°C | -0.5°C | 14.1°C | -3.2°C | 1 mm | 58% | 0.8 m/s | 3.9 |
| 2004 | 9.8°C | 4.5°C | -0.9°C | 14.1°C | -3.4°C | 8 mm | 68% | 0.8 m/s | 3.5 |
| 2003 | 9.7°C | 4.4°C | -1.0°C | 13.0°C | -6.2°C | 5 mm | 68% | 0.7 m/s | 3.5 |
| 2002 | 9.7°C | 4.3°C | -1.1°C | 13.9°C | -4.3°C | 3 mm | 67% | 0.7 m/s | 3.4 |
| 2001 | 10.1°C | 4.4°C | -1.2°C | 13.4°C | -3.3°C | 3 mm | 61% | 0.8 m/s | 3.7 |
| 2000 | 10.9°C | 5.0°C | -0.8°C | 14.2°C | -3.1°C | 1 mm | 55% | 0.8 m/s | 3.9 |
| 1999 | 9.8°C | 4.4°C | -1.0°C | 13.2°C | -2.9°C | 1 mm | 69% | 0.8 m/s | 3.7 |
| 1998 | 10.9°C | 5.0°C | -1.0°C | 14.8°C | -5.1°C | 5 mm | 59% | 0.8 m/s | 4 |
| 1997 | 8.8°C | 3.7°C | -1.4°C | 10.8°C | -3.9°C | 21 mm | 71% | 0.7 m/s | 3.4 |
| 1996 | 10.1°C | 4.6°C | -0.9°C | 12.7°C | -3.6°C | 0 mm | 60% | 0.8 m/s | 4 |
| 1995 | 8.5°C | 3.5°C | -1.5°C | 10.2°C | -5.1°C | 9 mm | 77% | 0.7 m/s | 3.4 |
| 1994 | 9.3°C | 3.8°C | -1.7°C | 12.1°C | -3.7°C | 0 mm | 60% | 0.8 m/s | 3.8 |
| 1993 | 10.3°C | 4.7°C | -0.8°C | 15.3°C | -4.0°C | 0 mm | 67% | 0.8 m/s | 3.8 |
| 1992 | 8.2°C | 3.0°C | -2.2°C | 11.7°C | -4.3°C | 3 mm | 65% | 0.8 m/s | 3.9 |
| 1991 | 8.4°C | 3.3°C | -1.8°C | 12.3°C | -7.4°C | 30 mm | 69% | 0.7 m/s | 3.5 |
| 1990 | 10.2°C | 4.8°C | -0.6°C | 12.3°C | -2.0°C | 3 mm | 72% | 0.7 m/s | 3.6 |
| 1989 | 8.2°C | 2.9°C | -2.4°C | 13.5°C | -7.2°C | 22 mm | 71% | 0.7 m/s | 3.9 |
| 1988 | 10.5°C | 5.4°C | 0.2°C | 15.3°C | -1.8°C | 7 mm | 75% | 0.7 m/s | 3.8 |
| 1987 | 10.6°C | 5.1°C | -0.5°C | 13.7°C | -3.8°C | 16 mm | 69% | 0.7 m/s | 3.8 |
| 1986 | 8.9°C | 3.5°C | -1.8°C | 14.6°C | -5.1°C | 20 mm | 70% | 0.7 m/s | 3.7 |
| 1985 🌧️ | 9.2°C | 4.1°C | -1.1°C | 12.2°C | -5.1°C | 54 mm | 75% | 0.7 m/s | 3.5 |
| 1984 | 8.3°C | 3.2°C | -1.9°C | 11.0°C | -5.2°C | 42 mm | 73% | 0.8 m/s | 3.2 |
| 1983 | 7.9°C | 3.0°C | -1.9°C | 11.2°C | -6.7°C | 30 mm | 69% | 0.8 m/s | — |
| 1982 ❄️ | 7.6°C | 2.8°C | -1.9°C | 10.5°C | -8.3°C | 8 mm | 77% | 0.7 m/s | — |
| 1981 | 9.0°C | 3.8°C | -1.3°C | 11.6°C | -4.6°C | 22 mm | 76% | 0.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 9.6°C with lows near -0.9°C (mean 4.4°C), based on 45 years of NASA POWER data.
December averages 12 mm of rainfall in Anjaw, one of the drier months. The wettest on record was 54 mm in 1985.
The hottest December reached 18°C in 2016. The coldest dipped to -8.3°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.6°C. Daytime highs moved from 8.4°C to 10°C and overnight lows from -1.6°C to 0°C over the same span.
December is one of the cooler months of the year in Anjaw and one of the drier months, so plan for around 9.6°C daytime highs and -0.9°C at night.
Not quite — December is the 3rd coolest month in Anjaw, averaging 4.4°C.
For December in Anjaw, pack warm layers and a jacket for chilly mornings, with typical highs of 9.6°C and lows of -0.9°C.
Relative humidity in December averages 71% — moderately humid.
Average wind speed in December is 0.7 m/s. The windiest December on record averaged 0.8 m/s (1983).
The wettest December on record was 1985 with 54 mm. On average, December sees 12 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 Anjaw 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.
