Jaca, Spain — Weather in August 2026

Climate Overview

Jaca, Spain in August has hot conditions, with highs reaching 28.2°C (83°F) and afternoons the warmest part of the day. Temperatures drop noticeably between day and night.

This month falls at the end of Summer.

Daily highs in August gradually drop from around 29°C (84°F) at the start to 26°C (78°F) by month's end.

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 13.3h of sunshine at the start of August, decreasing to 11.4h by the end.

The warmest days tend to fall around the 6th, averaging 29.5°C (85°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

28°C / 16°C

Feels Like

29°C / 16°C

Rain

6 days · 39 mm

Sunshine

12.3h / day

Humidity

59% — Moderate

Wind

12 km/h

Wind Direction

NW (309°)

Gusts

39 km/h

Daylight

13.9 h

Cloud Cover

33%

Clear Sky Days

11.9

UV Index

7 — High

Dew Point

14°C — Comfortable

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 07:10

Daylight 13.9h

Sunset 21:06

What to Expect

Daytime temperatures around 28°C (83°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	8°C / 0°C	5°C / -4°C	12days (93 mm) Wet	7h Good	81% Humid	2.1 Moderate	Poor	View Details
February	10°C / 1°C	7°C / -3°C	8days (72 mm) Wet	8.2h Good	79% Humid	3.2 Moderate	Poor	View Details
March	11°C / 2°C	9°C / -1°C	13days (100 mm) Wet	9.4h Good	78% Humid	4.1 Moderate	Poor	View Details
April	15°C / 5°C	13°C / 2°C	12days (90 mm) Wet	10.7h Excellent	75% Muggy	6.1 High	Fair	View Details
May	19°C / 8°C	18°C / 6°C	12days (80 mm) Wet	12.4h Excellent	72% Muggy	7 High	Good	View Details
June best	24°C / 13°C	25°C / 13°C	11days (71 mm) Wet	13.1h Excellent	67% Muggy	7.5 Very High	Excellent	View Details
July best	28°C / 16°C	29°C / 16°C	6days (32 mm) Good	13.4h Excellent	60% Moderate	7.7 Very High	Excellent	View Details
August best	28°C / 16°C	29°C / 16°C	6days (39 mm) Good	12.3h Excellent	59% Moderate	7 High	Excellent	View Details
September best	23°C / 12°C	22°C / 11°C	8days (63 mm) Wet	10.6h Excellent	69% Muggy	5.5 High	Excellent	View Details
October	18°C / 9°C	17°C / 7°C	10days (108 mm) Wet	8.5h Good	76% Humid	3.6 Moderate	Good	View Details
November	12°C / 4°C	9°C / 1°C	12days (102 mm) Wet	7.1h Good	83% Humid	2.4 Moderate	Fair	View Details
December	9°C / 1°C	7°C / -2°C	11days (84 mm) Wet	6.6h Fair	84% Humid	1.9 Low	Poor	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Jaca?

August is typically excellent for visiting Jaca, with average highs of 28°C (83°F) and around 6 rainy days. Jaca, Spain in August has hot conditions, with highs reaching 28.2°C (83°F) and afternoons the warmest part of the day.

Does it rain a lot in Jaca in August?

Jaca typically sees around 6 rainy days in August with 39 mm (1.5 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Jaca in August?

Evenings in Jaca during August are mild at 16°C (61°F). A light cardigan is usually enough.

What should I pack for Jaca in August?

With highs of 28°C (83°F) and lows of 16°C (61°F) in August, we recommend: Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Jaca?

Yes, August offers some of the best weather conditions in Jaca with comfortable temperatures and lower chances of rain.

What is the UV index in Jaca in August?

The average UV index in Jaca during August is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Jaca in August?

Jaca gets approximately 14 hours of daylight per day in August, with around 12 hours of sunshine.

Does it snow in Jaca in August?

Snow is uncommon in Jaca during August based on 10-year climate averages.

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