Riyan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Riyan.
Climate overview of Riyan
Temperatures in Riyan, Yemen, shift moderately through the seasons. The warmest month is June at 35°C (95°F), and the coolest is January at 27°C (81°F).
With just 95 mm (3.7 in) of annual rainfall, the city has a dry, desert-like climate.
Riyan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Riyan - and find the best time to visit.
Monthly Temperature in Riyan
In Riyan, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a very hot 35°C (95°F) in June. In January, the coolest month of the year, temperatures drop to a comfortable 27°C (81°F).
At night, temperatures range from around 29°C (84°F) in June to 21°C (70°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Riyan
Riyan is known for its low rainfall, with yearly precipitation amounts around 95 mm (3.7 in). Riyan can be quite wet during October, receiving approximately 17 mm (0.7 in) of precipitation over 0 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 2.2 mm (0.1 in) of precipitation spread across 6 rainy days. For more details, please visit our Riyan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Water Temperature in Riyan
The mean water temperature over the year ranges from 25°C (77°F) in January to 30°C (86°F) in June.
Water temperature over the year
Humidity in Riyan by Month
The relative humidity is high throughout the year in Riyan.
The city experiences its highest humidity in September, reaching 81%. In February, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Riyan
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March and December
- Warmest weather: June, July and August
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Seasonal pattern: Very little rainfall year-round
Frequently asked questions about the climate in Riyan
What is the best time to visit Riyan?
January, February, March and December typically offer the most optimal weather in Riyan. In contrast, June, July and August tend to have less optimal conditions. Riyan has very little rainfall year-round.
What temperatures can I expect in Riyan?
Daytime highs range from 27°C (81°F) in January to 35°C (95°F) in June. Nighttime lows range from 21°C (70°F) to 29°C (84°F).
How much rain does Riyan get?
Annual rainfall is around 95 mm (3.7 in). October is the wettest month with 17 mm (0.7 in), while August is the driest with 2.2 mm (0.1 in).
Riyan 3-Day Forecast
Riyan 3-Day Forecast
Riyan on the map
Riyan is highlighted - select any city to see its climate.
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