Jaca Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Jaca.
Climate overview of Jaca
Temperatures in Jaca, Aragon, Spain, vary greatly throughout the year. July is the hottest month at 27°C (81°F), while January is the coldest at 7°C (45°F).
The city has a wet climate, receiving around 1070 mm (42 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. April is the wettest month. July is the sunniest month, averaging 11.5 hours of sunshine per day.
Jaca Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Jaca - and find the best time to visit.
Monthly Temperature in Jaca
The climate in Jaca is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a chilly 7°C (45°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to -2°C (28°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Jaca
Jaca has a notably wet climate with abundant precipitation, recording 1070 mm (42 in) of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, April, sees around 112 mm (4.4 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, July, still receives a respectable 55 mm (2.2 in) of rainfall. For more details, please visit our Jaca 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 Jaca
In Jaca, summer days are longer and more sunny, with daily sunshine hours peaking at 11.5 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Jaca by Month
The relative humidity is high throughout the year in Jaca.
The city experiences its highest humidity in December, reaching 81%. In July, the humidity drops to its lowest level at 48%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Jaca
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July, August, September and October
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -2°C (28°F).
Frequently asked questions about the climate in Jaca
What is the best time to visit Jaca?
June, July, August and September typically offer the most optimal weather in Jaca. In contrast, January, February, November and December tend to have less optimal conditions. Jaca has warm summers and cold winters.
What temperatures can I expect in Jaca?
Daytime highs range from 7°C (45°F) in January to 27°C (81°F) in July. Nighttime lows range from -2°C (28°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Jaca get?
Annual rainfall is around 1070 mm (42 in). April is the wettest month with 112 mm (4.4 in), while July is the driest with 55 mm (2.2 in).
How sunny is Jaca?
Jaca receives around 2,684 hours of sunshine per year. July is the sunniest month with 346 hours, while December is the cloudiest with just 127 hours. Overall, Jaca enjoys abundant sunshine.
Jaca 3-Day Forecast
Jaca 3-Day Forecast
Jaca on the map
Jaca is highlighted - select any city to see its climate.
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