Onil Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Onil.
Climate overview of Onil
The climate in Onil, Spain, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in July to 15°C (59°F) in January.
The city has a relatively dry climate, receiving around 436 mm (17 in) of rainfall per year. It does experience two distinct dry seasons, December to February and June to August, with very warm summers and mild winters. September is the wettest month and July the driest. Sunshine peaks in July, when the city sees around 11.0 hours of sunshine per day.
Onil Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Onil - and find the best time to visit.
Monthly Temperature in Onil
In Onil, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 32°C (90°F) in July to a moderate 15°C (59°F) in January.
Nighttime temperatures range from 20°C (68°F) in July to 4°C (39°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Onil
Onil's climate is marked by below-average rainfall, accumulating 436 mm (17 in) of precipitation yearly. The seasons in Onil bring significant changes in precipitation. The wettest month, September, receives moderate rainfall, with an average of 56 mm (2.2 in) of precipitation. This rainfall is distributed across 7 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 7.7 mm (0.3 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Onil Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Onil
In Onil, summer days are longer and more sunny, with daily sunshine hours peaking at 11.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Onil by Month
The relative humidity is high throughout the year in Onil.
The city experiences its highest humidity in October, reaching 70%. In March, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Onil
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, September and October
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July and August
- Seasonal pattern: Two distinct dry seasons, December to February and June to August, with very warm summers and mild winters
Frequently asked questions about the climate in Onil
What is the best time to visit Onil?
April, May, June, September and October typically offer the most optimal weather in Onil. In contrast, January, February and December tend to have less optimal conditions. Onil has two distinct dry seasons, December to February and June to August, with very warm summers and mild winters.
What temperatures can I expect in Onil?
Daytime highs range from 15°C (59°F) in January to 32°C (90°F) in July. Nighttime lows range from 4°C (39°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Onil get?
Annual rainfall is around 436 mm (17 in). September is the wettest month with 56 mm (2.2 in), while July is the driest with 7.7 mm (0.3 in).
How sunny is Onil?
Onil receives around 2,862 hours of sunshine per year. July is the sunniest month with 329 hours, while December is the cloudiest with just 165 hours. Overall, Onil enjoys abundant sunshine.
Onil 3-Day Forecast
Onil on the map
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