December is one of the cooler months of the year in Qal‘at Bīshah, with average highs near 27.2°C and lows around 11.3°C (mean 19.3°C). It is about average for rainfall, averaging 2 mm of rainfall and 46% relative humidity across the period.
December is one of the cooler months of the year in Qal‘at Bīshah. Across 45 years of records, the warmest December in Qal‘at Bīshah was 2016 — when the month averaged 20.9°C — while the coldest was 2017 at 16.6°C. Typical December days reach 27.2°C with nights near 11.3°C. The long-term December temperature trend is broadly flat.
December is about average for rainfall in Qal‘at Bīshah, averaging 2 mm of rainfall. The wettest December on record was 2001 with 40 mm, while the driest were 2020, 2023 and 2024, among others at 0 mm.
Relative humidity in Qal‘at Bīshah during December averages 46%. The most humid December was 1982 at 62%, and the least humid was 1990 at 30%.
December receives about 4.8 kWh/m²/day of solar energy in Qal‘at Bīshah. The sunniest Decembers were 2008 and 2017 at 5.1 kWh/m²/day, and the cloudiest was 1995 at 4.1.
Average wind speed in Qal‘at Bīshah during December is 2.7 m/s. The windiest December was 1985 at 3.3 m/s, while the calmest was 2007 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.8°C | 19.4°C | 19.5°C | 19.1°C | 19.5°C | +0.7°C |
| Avg High | 26.7°C | 27.3°C | 27.5°C | 27.1°C | 27.5°C | +0.8°C |
| Avg Low | 10.9°C | 11.4°C | 11.6°C | 11.1°C | 11.6°C | +0.7°C |
| Avg Rain | 3 mm | 0 mm | 6 mm | 0 mm | 2 mm | -1 mm |
December temperatures in Qal‘at Bīshah have risen by about 0.9°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 1.8°C (2004) to a record high of 31.5°C (2024).
Rainfall in December is about average for rainfall, averaging 2 mm, with a wettest year of 40 mm.
A good time to visit Qal‘at Bīshah
December is a good time to visit Qal‘at Bīshah, with days averaging 27.2°C and nights around 11.3°C (mean 19.3°C, cooler than Qal‘at Bīshah'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 | 27.0°C | 18.7°C | 10.4°C | 31.0°C | 4.0°C | 1 mm | 45% | 2.7 m/s | — |
| 2024 | 28.1°C | 20.2°C | 12.3°C | 31.5°C | 7.3°C | 0 mm | 47% | 2.5 m/s | 4.8 |
| 2023 | 27.4°C | 19.4°C | 11.3°C | 30.5°C | 5.0°C | 0 mm | 39% | 3.1 m/s | 4.9 |
| 2022 | 26.9°C | 19.6°C | 12.4°C | 29.7°C | 8.2°C | 12 mm | 46% | 2.6 m/s | 4.6 |
| 2021 | 28.1°C | 19.7°C | 11.2°C | 31.1°C | 7.0°C | 1 mm | 40% | 2.7 m/s | 4.8 |
| 2020 | 27.2°C | 19.5°C | 11.8°C | 29.5°C | 7.6°C | 0 mm | 50% | 2.2 m/s | 4.9 |
| 2019 | 27.3°C | 20.1°C | 12.8°C | 30.3°C | 9.1°C | 0 mm | 52% | 2.8 m/s | 4.7 |
| 2018 | 28.5°C | 20.6°C | 12.7°C | 30.5°C | 9.3°C | 0 mm | 47% | 2.7 m/s | 4.8 |
| 2017 ❄️ | 25.1°C | 16.6°C | 8.2°C | 30.3°C | 4.5°C | 0 mm | 30% | 3.2 m/s | 5.1 |
| 2016 🔥 | 29.2°C | 20.9°C | 12.5°C | 31.4°C | 9.7°C | 0 mm | 43% | 2.3 m/s | 4.9 |
| 2015 | 27.1°C | 19.7°C | 12.3°C | 31.1°C | 7.5°C | 0 mm | 54% | 3.1 m/s | 4.4 |
| 2014 | 27.0°C | 19.1°C | 11.2°C | 28.9°C | 8.7°C | 0 mm | 39% | 2.7 m/s | 5 |
| 2013 | 26.3°C | 18.3°C | 10.3°C | 30.2°C | 6.4°C | 0 mm | 45% | 3 m/s | 4.8 |
| 2012 | 28.3°C | 20.7°C | 13.1°C | 30.8°C | 9.1°C | 1 mm | 53% | 2.3 m/s | 4.5 |
| 2011 | 26.7°C | 17.8°C | 9.0°C | 30.9°C | 6.2°C | 0 mm | 31% | 2.5 m/s | 5 |
| 2010 | 25.9°C | 17.5°C | 9.0°C | 28.4°C | 5.0°C | 1 mm | 35% | 2.9 m/s | 4.9 |
| 2009 | 27.6°C | 20.1°C | 12.6°C | 30.4°C | 10.3°C | 1 mm | 56% | 2.9 m/s | 4.7 |
| 2008 | 26.8°C | 18.0°C | 9.3°C | 30.1°C | 4.5°C | 0 mm | 36% | 2.3 m/s | 5.1 |
| 2007 | 28.3°C | 19.8°C | 11.4°C | 30.1°C | 7.3°C | 0 mm | 41% | 2 m/s | 4.9 |
| 2006 | 27.2°C | 19.7°C | 12.3°C | 29.7°C | 6.6°C | 1 mm | 60% | 2.9 m/s | 4.4 |
| 2005 | 27.8°C | 19.2°C | 10.6°C | 30.9°C | 7.9°C | 0 mm | 35% | 2.7 m/s | 5 |
| 2004 | 25.8°C | 18.3°C | 10.9°C | 29.6°C | 1.8°C | 19 mm | 54% | 3.1 m/s | 4.6 |
| 2003 | 28.2°C | 20.4°C | 12.6°C | 30.1°C | 8.4°C | 0 mm | 49% | 2.7 m/s | 4.8 |
| 2002 | 27.4°C | 19.8°C | 12.2°C | 30.5°C | 5.8°C | 0 mm | 54% | 2.5 m/s | 4.7 |
| 2001 🌧️ | 28.2°C | 20.3°C | 12.3°C | 30.5°C | 9.0°C | 40 mm | 50% | 2.4 m/s | 4.9 |
| 2000 | 27.4°C | 19.4°C | 11.4°C | 31.3°C | 6.6°C | 1 mm | 48% | 2.7 m/s | 4.7 |
| 1999 | 26.3°C | 18.3°C | 10.4°C | 31.4°C | 4.5°C | 0 mm | 40% | 3.1 m/s | 4.9 |
| 1998 | 27.9°C | 19.3°C | 10.6°C | 30.5°C | 6.3°C | 0 mm | 32% | 2.5 m/s | 5 |
| 1997 | 28.4°C | 20.8°C | 13.3°C | 29.9°C | 10.5°C | 0 mm | 56% | 2.6 m/s | 4.8 |
| 1996 | 26.5°C | 18.6°C | 10.7°C | 28.2°C | 7.6°C | 0 mm | 40% | 2.5 m/s | 5 |
| 1995 | 27.1°C | 20.0°C | 12.9°C | 30.6°C | 9.8°C | 1 mm | 60% | 2.7 m/s | 4.1 |
| 1994 | 27.2°C | 19.2°C | 11.1°C | 30.1°C | 7.3°C | 0 mm | 51% | 3 m/s | 4.6 |
| 1993 | 27.3°C | 18.9°C | 10.4°C | 30.1°C | 5.1°C | 0 mm | 39% | 2.8 m/s | 5 |
| 1992 | 27.1°C | 19.7°C | 12.3°C | 30.3°C | 5.4°C | 0 mm | 60% | 3 m/s | 4.6 |
| 1991 | 28.1°C | 20.2°C | 12.3°C | 31.3°C | 9.0°C | 0 mm | 59% | 2.6 m/s | 4.8 |
| 1990 | 27.5°C | 18.6°C | 9.7°C | 30.2°C | 5.7°C | 0 mm | 30% | 2.7 m/s | 4.9 |
| 1989 | 26.2°C | 18.8°C | 11.5°C | 29.6°C | 7.5°C | 4 mm | 56% | 2.8 m/s | 4.2 |
| 1988 | 27.4°C | 18.7°C | 10.0°C | 30.6°C | 7.0°C | 0 mm | 39% | 3 m/s | 4.7 |
| 1987 | 27.8°C | 19.8°C | 11.7°C | 30.0°C | 8.5°C | 0 mm | 46% | 2.7 m/s | 4.6 |
| 1986 | 27.0°C | 19.2°C | 11.4°C | 29.6°C | 4.4°C | 4 mm | 58% | 2.6 m/s | 4.6 |
| 1985 | 25.7°C | 18.0°C | 10.3°C | 29.9°C | 6.0°C | 7 mm | 50% | 3.3 m/s | 4.5 |
| 1984 | 26.8°C | 19.2°C | 11.5°C | 29.9°C | 6.8°C | 7 mm | 52% | 2.7 m/s | 4.6 |
| 1983 | 26.0°C | 18.1°C | 10.2°C | 29.7°C | 3.8°C | 0 mm | 43% | 2.6 m/s | — |
| 1982 | 25.9°C | 18.3°C | 10.8°C | 30.2°C | 5.7°C | 8 mm | 62% | 2.6 m/s | — |
| 1981 | 27.8°C | 19.2°C | 10.6°C | 29.8°C | 8.2°C | 0 mm | 36% | 2.1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 27.2°C with lows near 11.3°C (mean 19.3°C), based on 45 years of NASA POWER data.
December averages 2 mm of rainfall in Qal‘at Bīshah, about average for rainfall. The wettest on record was 40 mm in 2001.
The hottest December reached 31.5°C in 2024. The coldest dipped to 1.8°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 0.9°C. Daytime highs moved from 26.4°C to 27.5°C and overnight lows from 10.7°C to 11.5°C over the same span.
December is one of the cooler months of the year in Qal‘at Bīshah and about average for rainfall, so plan for around 27.2°C daytime highs and 11.3°C at night.
Not quite — December is the 2nd coolest month in Qal‘at Bīshah, averaging 19.3°C.
For December in Qal‘at Bīshah, pack light layers you can adjust through the day, with typical highs of 27.2°C and lows of 11.3°C.
Relative humidity in December averages 46% — relatively dry.
Average wind speed in December is 2.7 m/s. The windiest December on record averaged 3.3 m/s (1985).
The wettest December on record was 2001 with 40 mm. On average, December sees 2 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 Qal‘at Bīshah 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.
