December is one of the cooler months of the year in Anjaw, with average highs near 13.1°C and lows around -4.1°C (mean 4.5°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 December in Anjaw was 2016 — when the month averaged 7.9°C — while the coldest was 1982 at 1.1°C. Typical December days reach 13.1°C with nights near -4.1°C. The long-term trend is warming, about 0.4°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.6°C | 4.2°C | 5.0°C | 4.7°C | 5.1°C | +1.5°C |
| Avg High | 12.6°C | 12.5°C | 13.6°C | 13.4°C | 13.2°C | +0.6°C |
| Avg Low | -5.3°C | -4.2°C | -3.6°C | -3.9°C | -2.9°C | +2.4°C |
| Avg Rain | 24 mm | 7 mm | 4 mm | 10 mm | 15 mm | -10 mm |
December temperatures in Anjaw have risen by about 2.6°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.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
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 13.1°C and nights around -4.1°C (mean 4.5°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 | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 14.4°C | -1.6°C | 6.4°C | 4 mm | 71% | 0.7 m/s | — |
| 2024 | 14.1°C | -2.7°C | 5.7°C | 1 mm | 71% | 0.8 m/s | 3.7 |
| 2023 | 12.7°C | -2.7°C | 5.0°C | 39 mm | 76% | 0.7 m/s | 3.5 |
| 2022 | 12.1°C | -4.1°C | 4.0°C | 21 mm | 79% | 0.7 m/s | 3.2 |
| 2021 | 13.2°C | -2.8°C | 5.2°C | 15 mm | 77% | 0.7 m/s | 3.5 |
| 2020 | 12.5°C | -3.6°C | 4.4°C | 9 mm | 77% | 0.7 m/s | 3.7 |
| 2019 | 10.6°C | -4.0°C | 3.3°C | 6 mm | 77% | 0.7 m/s | 3.4 |
| 2018 | 10.7°C | -5.9°C | 2.4°C | 23 mm | 74% | 0.7 m/s | 3.7 |
| 2017 | 15.1°C | -1.3°C | 6.9°C | 1 mm | 76% | 0.7 m/s | 3.7 |
| 2016 🔥 | 18.0°C | -2.1°C | 7.9°C | 6 mm | 72% | 0.7 m/s | 3.6 |
| 2015 | 12.3°C | -5.8°C | 3.2°C | 15 mm | 78% | 0.7 m/s | 3.1 |
| 2014 | 12.6°C | -3.4°C | 4.6°C | 6 mm | 75% | 0.7 m/s | 3.5 |
| 2013 | 12.7°C | -4.2°C | 4.3°C | 4 mm | 78% | 0.7 m/s | 3.2 |
| 2012 | 13.1°C | -3.8°C | 4.6°C | 12 mm | 78% | 0.7 m/s | 3.4 |
| 2011 | 13.4°C | -3.0°C | 5.2°C | 22 mm | 71% | 0.8 m/s | 3.4 |
| 2010 | 15.1°C | -5.2°C | 4.9°C | 6 mm | 66% | 0.8 m/s | 3.7 |
| 2009 | 11.8°C | -3.5°C | 4.1°C | 7 mm | 75% | 0.7 m/s | 3 |
| 2008 | 14.9°C | -2.5°C | 6.2°C | 1 mm | 73% | 0.7 m/s | 3.3 |
| 2007 | 13.1°C | -4.3°C | 4.4°C | 3 mm | 62% | 0.8 m/s | 3.5 |
| 2006 | 13.5°C | -2.7°C | 5.4°C | 7 mm | 66% | 0.8 m/s | 3.5 |
| 2005 | 14.1°C | -3.2°C | 5.4°C | 1 mm | 58% | 0.8 m/s | 3.9 |
| 2004 | 14.1°C | -3.4°C | 5.4°C | 8 mm | 68% | 0.8 m/s | 3.5 |
| 2003 | 13.0°C | -6.2°C | 3.4°C | 5 mm | 68% | 0.7 m/s | 3.5 |
| 2002 | 13.9°C | -4.3°C | 4.8°C | 3 mm | 67% | 0.7 m/s | 3.4 |
| 2001 | 13.4°C | -3.3°C | 5.0°C | 3 mm | 61% | 0.8 m/s | 3.7 |
| 2000 | 14.2°C | -3.1°C | 5.6°C | 1 mm | 55% | 0.8 m/s | 3.9 |
| 1999 | 13.2°C | -2.9°C | 5.1°C | 1 mm | 69% | 0.8 m/s | 3.7 |
| 1998 | 14.8°C | -5.1°C | 4.9°C | 5 mm | 59% | 0.8 m/s | 4 |
| 1997 | 10.8°C | -3.9°C | 3.5°C | 21 mm | 71% | 0.7 m/s | 3.4 |
| 1996 | 12.7°C | -3.6°C | 4.6°C | 0 mm | 60% | 0.8 m/s | 4 |
| 1995 | 10.2°C | -5.1°C | 2.5°C | 9 mm | 77% | 0.7 m/s | 3.4 |
| 1994 | 12.1°C | -3.7°C | 4.2°C | 0 mm | 60% | 0.8 m/s | 3.8 |
| 1993 | 15.3°C | -4.0°C | 5.7°C | 0 mm | 67% | 0.8 m/s | 3.8 |
| 1992 | 11.7°C | -4.3°C | 3.7°C | 3 mm | 65% | 0.8 m/s | 3.9 |
| 1991 | 12.3°C | -7.4°C | 2.5°C | 30 mm | 69% | 0.7 m/s | 3.5 |
| 1990 | 12.3°C | -2.0°C | 5.1°C | 3 mm | 72% | 0.7 m/s | 3.6 |
| 1989 | 13.5°C | -7.2°C | 3.2°C | 22 mm | 71% | 0.7 m/s | 3.9 |
| 1988 | 15.3°C | -1.8°C | 6.7°C | 7 mm | 75% | 0.7 m/s | 3.8 |
| 1987 | 13.7°C | -3.8°C | 4.9°C | 16 mm | 69% | 0.7 m/s | 3.8 |
| 1986 | 14.6°C | -5.1°C | 4.7°C | 20 mm | 70% | 0.7 m/s | 3.7 |
| 1985 🌧️ | 12.2°C | -5.1°C | 3.5°C | 54 mm | 75% | 0.7 m/s | 3.5 |
| 1984 | 11.0°C | -5.2°C | 2.9°C | 42 mm | 73% | 0.8 m/s | 3.2 |
| 1983 | 11.2°C | -6.7°C | 2.3°C | 30 mm | 69% | 0.8 m/s | — |
| 1982 ❄️ | 10.5°C | -8.3°C | 1.1°C | 8 mm | 77% | 0.7 m/s | — |
| 1981 | 11.6°C | -4.6°C | 3.5°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 13.1°C with lows near -4.1°C (mean 4.5°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 2.6°C. Daytime highs moved from 11.3°C to 13.3°C and overnight lows from -6°C to -2.8°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 13.1°C daytime highs and -4.1°C at night.
Not quite — December is the 3rd coolest month in Anjaw, averaging 4.5°C.
For December in Anjaw, pack warm layers and a jacket for chilly mornings, with typical highs of 13.1°C and lows of -4.1°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.
