Riosa Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Riosa.
Climate overview of Riosa
The climate in Riosa, Asturias, Spain, is marked by large temperature swings across the seasons, ranging from 23°C (73°F) in August to 10°C (50°F) in January.
The city has a wet climate, receiving around 1298 mm (51 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. May is the wettest month. Sunshine peaks in July, when the city sees around 5.9 hours of sunshine per day.
Riosa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Riosa - and find the best time to visit.
Monthly Temperature in Riosa
In Riosa, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 23°C (73°F) in August to a chilly 10°C (50°F) in January.
Nighttime temperatures range from 13°C (55°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Riosa
Riosa experiences significant rain/snowfall throughout the year, averaging 1298 mm (51 in) of precipitation annually. The wettest period in Riosa occurs in May, which receives around 130 mm (5.1 in) of precipitation. During the driest month, July, Riosa experiences moderate rainfall, totaling 88 mm (3.5 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Riosa Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Riosa
In Riosa, summer days are longer and more sunny, with daily sunshine hours peaking at 5.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Riosa by Month
The relative humidity is high throughout the year in Riosa.
The city experiences its highest humidity in August, reaching 80%. In March, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Riosa
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July, August and September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Riosa
What is the best time to visit Riosa?
July, August and September typically offer the most optimal weather in Riosa. In contrast, January, February, November and December tend to have less optimal conditions. Riosa has warm summers and cold winters.
What temperatures can I expect in Riosa?
Daytime highs range from 10°C (50°F) in January to 23°C (73°F) in August. Nighttime lows range from 2°C (36°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Riosa get?
Annual rainfall is around 1298 mm (51 in). May is the wettest month with 130 mm (5.1 in), while July is the driest with 88 mm (3.5 in).
How sunny is Riosa?
Riosa receives around 1,762 hours of sunshine per year. July is the sunniest month with 178 hours, while December is the cloudiest with just 105 hours.
Riosa 3-Day Forecast
Riosa on the map
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