Riyan Weather in December
With daytime temperatures of 28°C (82°F) and nighttime lows of 22°C (72°F), December in Riyan brings high temperatures during the day. The perfect weather makes it an appealing time to visit.
Rainfall in Riyan in December
Looking at the last 30 years, the data shows about 0 days with rain, averaging 5.8 mm (0.2 in) for the month. Any rain that does arrive tends to come in a single sharp spell rather than prolonged drizzle.
Temperature in Riyan in December
December is a perfect month in Riyan, with 28°C (82°F) during the day and 22°C (72°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors.
Average water temperature in December
With water at 26°C (79°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Yemen, check out our Riyan's climate page.
Riyan Temperature in December
Min Temperature
22°C (72°F)
Max Temperature
28°C (82°F)
Water Temperature
26°C (79°F)
Chance of Rain
1%
Precipitation
5.8 mm (0.2 in)
Rainy days
0 days
Humidity
70%
Daily Historical Temperatures
30-year average (1989-2025)
Based on our historical records, temperatures in Riyan typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 24°C (75°F).
Average temperatures in December
Historical weather for Riyan in December
Browse day-by-day weather records for Riyan spanning 44 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Riyan historical weather extremes in December
Our historical data for Riyan spans 2005 to 2025, revealing these weather extremes.
- Riyan recorded its highest December temperature of 33°C (91°F) on December 4, 2011.
- The coldest December day was on December 25, 2025, with a maximum of 24°C (75°F).
- Riyan registered its coldest December night on December 19, 2016, with temperatures dropping to 11°C (52°F).
Best Places in Yemen in December
Find out more about the weather in Yemen and which places have the best travel conditions in this month. See all of Yemen in December →
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What to Wear in Riyan in December
Warm but pleasant conditions in Riyan in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. With water temperatures around 26°C (79°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes.What To Do in Riyan in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Yemen, check out our Riyan's climate page.
Temperature Rainfall Humidity Water Temp
See the full Riyan climate overview or explore weather in Yemen.
