December is one of the cooler months of the year in Az Zulfī, with average highs near 21°C and lows around 8.3°C (mean 14.7°C). It is about average for rainfall, averaging 10 mm of rainfall and 46% relative humidity across the period.
December is one of the cooler months of the year in Az Zulfī. Across 45 years of records, the warmest December in Az Zulfī was 2001 — when the month averaged 18.6°C — while the coldest was 2006 at 10.3°C. Typical December days reach 21°C with nights near 8.3°C. The long-term trend is warming, about 0.2°C per decade.
December is about average for rainfall in Az Zulfī, averaging 10 mm of rainfall. The wettest December on record was 2025 with 139 mm, while the driest were 2011, 2013 and 2014, among others at 0 mm.
Relative humidity in Az Zulfī during December averages 46%. The most humid December was 1995 at 67%, and the least humid was 2011 at 32%.
December receives about 3.7 kWh/m²/day of solar energy in Az Zulfī. The sunniest Decembers were 2000, 2008 and 2011 at 4.3 kWh/m²/day, and the cloudiest was 1995 at 2.9.
Average wind speed in Az Zulfī during December is 2.8 m/s. The windiest December was 2001 at 3.4 m/s, while the calmest was 2017 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.1°C | 14.9°C | 14.5°C | 14.6°C | 15.4°C | +1.3°C |
| Avg High | 20.4°C | 21.2°C | 20.9°C | 21.1°C | 21.5°C | +1.1°C |
| Avg Low | 7.7°C | 8.5°C | 8.2°C | 8.0°C | 9.4°C | +1.7°C |
| Avg Rain | 6 mm | 7 mm | 7 mm | 7 mm | 31 mm | +25 mm |
December temperatures in Az Zulfī have risen by about 1.5°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -4°C (1994) to a record high of 29°C (1991).
Rainfall in December is about average for rainfall, averaging 10 mm, with a wettest year of 139 mm.
A good time to visit Az Zulfī
December is a good time to visit Az Zulfī, with days averaging 21°C and nights around 8.3°C (mean 14.7°C, cooler than Az Zulfī's yearly average) and low rainfall. November and March 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 🌧️ | 19.8°C | 14.2°C | 8.6°C | 27.2°C | 0.5°C | 139 mm | 58% | 2.7 m/s | — |
| 2024 | 20.9°C | 14.3°C | 7.7°C | 28.6°C | -1.0°C | 3 mm | 45% | 2.9 m/s | 3.9 |
| 2023 | 23.4°C | 16.7°C | 10.1°C | 27.2°C | 5.3°C | 22 mm | 46% | 2.7 m/s | 3.8 |
| 2022 | 22.0°C | 16.1°C | 10.3°C | 28.4°C | 2.8°C | 7 mm | 54% | 2.7 m/s | 3.4 |
| 2021 | 22.0°C | 16.0°C | 10.0°C | 27.9°C | 6.1°C | 5 mm | 41% | 2.8 m/s | 3.5 |
| 2020 | 21.0°C | 15.2°C | 9.4°C | 25.7°C | 3.1°C | 12 mm | 53% | 2.8 m/s | 3.6 |
| 2019 | 22.4°C | 15.5°C | 8.6°C | 28.1°C | 2.8°C | 0 mm | 43% | 3 m/s | 4.2 |
| 2018 | 22.5°C | 16.5°C | 10.5°C | 26.6°C | 5.6°C | 1 mm | 55% | 2.9 m/s | 3.7 |
| 2017 | 20.5°C | 13.6°C | 6.7°C | 27.6°C | -0.6°C | 7 mm | 36% | 2.3 m/s | 4.2 |
| 2016 | 21.0°C | 14.7°C | 8.3°C | 27.9°C | 1.8°C | 36 mm | 51% | 3 m/s | 3.8 |
| 2015 | 18.9°C | 13.0°C | 7.2°C | 28.7°C | -0.8°C | 13 mm | 53% | 3.1 m/s | 3.5 |
| 2014 | 22.5°C | 15.8°C | 9.1°C | 27.2°C | 3.3°C | 0 mm | 44% | 2.4 m/s | 4 |
| 2013 | 20.3°C | 13.5°C | 6.8°C | 28.1°C | -0.8°C | 0 mm | 42% | 2.9 m/s | 4 |
| 2012 | 21.4°C | 15.5°C | 9.5°C | 28.3°C | 3.8°C | 11 mm | 54% | 3.3 m/s | 3.6 |
| 2011 | 20.0°C | 12.8°C | 5.6°C | 26.0°C | 1.3°C | 0 mm | 32% | 2.4 m/s | 4.3 |
| 2010 | 21.8°C | 14.8°C | 7.8°C | 27.0°C | 1.0°C | 1 mm | 32% | 2.4 m/s | 4.2 |
| 2009 | 21.3°C | 15.2°C | 9.1°C | 26.2°C | 5.5°C | 2 mm | 51% | 2.6 m/s | 3.8 |
| 2008 | 20.4°C | 13.0°C | 5.7°C | 26.9°C | -0.7°C | 0 mm | 33% | 2.8 m/s | 4.3 |
| 2007 | 22.2°C | 15.8°C | 9.4°C | 28.3°C | 0.9°C | 1 mm | 39% | 3.2 m/s | 3.8 |
| 2006 ❄️ | 16.9°C | 10.3°C | 3.7°C | 24.0°C | -2.4°C | 5 mm | 50% | 2.7 m/s | 3.9 |
| 2005 | 23.1°C | 16.6°C | 10.0°C | 28.1°C | 2.0°C | 2 mm | 36% | 2.4 m/s | 4 |
| 2004 | 17.7°C | 11.6°C | 5.5°C | 26.0°C | -0.6°C | 4 mm | 53% | 2.8 m/s | 3.7 |
| 2003 | 21.1°C | 15.1°C | 9.2°C | 27.4°C | 4.4°C | 39 mm | 57% | 3.1 m/s | 3.6 |
| 2002 | 20.7°C | 14.6°C | 8.5°C | 28.8°C | 0.9°C | 13 mm | 50% | 3 m/s | 3.6 |
| 2001 🔥 | 24.4°C | 18.6°C | 12.7°C | 28.3°C | 7.3°C | 5 mm | 48% | 3.4 m/s | 3.5 |
| 2000 | 21.2°C | 14.6°C | 7.9°C | 26.3°C | 2.9°C | 2 mm | 50% | 2.9 m/s | 4.3 |
| 1999 | 21.1°C | 14.2°C | 7.2°C | 27.4°C | 1.8°C | 5 mm | 41% | 2.5 m/s | 4.1 |
| 1998 | 25.2°C | 17.8°C | 10.4°C | 28.4°C | 6.2°C | 0 mm | 33% | 2.7 m/s | 4 |
| 1997 | 20.0°C | 14.4°C | 8.7°C | 27.2°C | 3.3°C | 3 mm | 61% | 2.9 m/s | 3.2 |
| 1996 | 22.7°C | 16.1°C | 9.5°C | 26.0°C | 6.0°C | 1 mm | 41% | 2.9 m/s | 3.5 |
| 1995 | 18.0°C | 13.2°C | 8.4°C | 27.3°C | 4.4°C | 38 mm | 67% | 3 m/s | 2.9 |
| 1994 | 18.3°C | 12.2°C | 6.1°C | 25.2°C | -4.0°C | 13 mm | 46% | 3 m/s | 3.3 |
| 1993 | 23.6°C | 16.4°C | 9.2°C | 27.8°C | 3.4°C | 0 mm | 40% | 2.6 m/s | 3.9 |
| 1992 | 18.9°C | 13.2°C | 7.5°C | 26.1°C | 2.5°C | 10 mm | 54% | 3.1 m/s | 3.3 |
| 1991 | 20.5°C | 14.3°C | 8.2°C | 29.0°C | 0.0°C | 0 mm | 45% | 3 m/s | 3.8 |
| 1990 | 24.1°C | 16.7°C | 9.3°C | 28.4°C | -0.3°C | 0 mm | 34% | 2.7 m/s | 3.6 |
| 1989 | 19.8°C | 13.5°C | 7.1°C | 28.3°C | 2.1°C | 4 mm | 47% | 2.6 m/s | 3.6 |
| 1988 | 21.7°C | 15.3°C | 8.9°C | 27.9°C | -0.3°C | 0 mm | 40% | 2.8 m/s | 3.4 |
| 1987 | 21.9°C | 15.5°C | 9.0°C | 27.1°C | 1.0°C | 0 mm | 42% | 3.2 m/s | 3.5 |
| 1986 | 18.9°C | 12.5°C | 6.0°C | 25.5°C | -1.8°C | 14 mm | 52% | 3 m/s | 3.6 |
| 1985 | 20.4°C | 14.0°C | 7.6°C | 26.8°C | 1.0°C | 11 mm | 51% | 2.7 m/s | 3.3 |
| 1984 | 19.0°C | 13.2°C | 7.4°C | 26.5°C | 2.4°C | 8 mm | 53% | 3 m/s | 3.2 |
| 1983 | 20.9°C | 14.6°C | 8.2°C | 28.3°C | 2.3°C | 0 mm | 41% | 3 m/s | — |
| 1982 | 17.6°C | 11.4°C | 5.2°C | 26.8°C | 1.0°C | 16 mm | 56% | 3 m/s | — |
| 1981 | 23.8°C | 16.7°C | 9.6°C | 27.2°C | 5.6°C | 2 mm | 37% | 3.2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 21°C with lows near 8.3°C (mean 14.7°C), based on 45 years of NASA POWER data.
December averages 10 mm of rainfall in Az Zulfī, about average for rainfall. The wettest on record was 139 mm in 2025.
The hottest December reached 29°C in 1991. The coldest dipped to -4°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.5°C. Daytime highs moved from 20.3°C to 21.6°C and overnight lows from 7.6°C to 9.3°C over the same span.
December is one of the cooler months of the year in Az Zulfī and about average for rainfall, so plan for around 21°C daytime highs and 8.3°C at night.
Not quite — December is the 2nd coolest month in Az Zulfī, averaging 14.7°C.
For December in Az Zulfī, pack light layers you can adjust through the day, with typical highs of 21°C and lows of 8.3°C.
Relative humidity in December averages 46% — relatively dry.
Average wind speed in December is 2.8 m/s. The windiest December on record averaged 3.4 m/s (2001).
The wettest December on record was 2025 with 139 mm. On average, December sees 10 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 Az Zulfī 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.
