UTC Offset
UTC+02:00
Altsasu, Spain Snapshot 2026
Where is Altsasu?
Altsasu, Spain
- Continent
- Europe
- Country
- Spain
- City
- Altsasu
- Population
- 7.4K
- Coordinates
- 42.90°, -2.17°
Altsasu is a city in Spain with a population of approximately 7.4K. Average temperatures range from 3°C (37°F) in January to 26°C (79°F) in August. The best time to visit is June, July, August, September.
Time in Altsasu right now
Open full time & time zone page 17:46 46
Tuesday, June 16, 2026
IANA time zone
Europe/Madrid
Daylight saving
DST in effect
CET / CEST
Next DST change
October 25
backward -1h
Live weather in Altsasu
Daylight in Altsasu today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 20m
Climate normals for Altsasu
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 9°C / 3°C | 6°C / -1°C | 15days (130 mm) Wet | 5.9h Fair | 88% Very Muggy | 2 Low | Poor | View Details |
| February | 12°C / 4°C | 9°C / 1°C | 12days (101 mm) Wet | 7.1h Good | 84% Humid | 2.9 Moderate | Poor | View Details |
| March | 13°C / 5°C | 10°C / 2°C | 17days (111 mm) Wet | 8.6h Good | 81% Humid | 3.9 Moderate | Poor | View Details |
| April | 15°C / 7°C | 14°C / 4°C | 15days (104 mm) Wet | 9.6h Good | 79% Humid | 5.4 High | Fair | View Details |
| May | 19°C / 10°C | 18°C / 9°C | 16days (104 mm) Wet | 10.7h Excellent | 80% Humid | 6.2 High | Good | View Details |
| June best | 23°C / 14°C | 24°C / 14°C | 15days (112 mm) Wet | 10.8h Excellent | 81% Humid | 6.6 High | Excellent | View Details |
| July best | 25°C / 15°C | 27°C / 16°C | 10days (50 mm) Wet | 11.5h Excellent | 80% Humid | 7 High | Excellent | View Details |
| August best | 26°C / 16°C | 28°C / 17°C | 10days (59 mm) Wet | 11.1h Excellent | 77% Humid | 6.5 High | Excellent | View Details |
| September best | 22°C / 14°C | 23°C / 14°C | 12days (90 mm) Wet | 9.7h Good | 79% Humid | 5.1 High | Excellent | View Details |
| October | 19°C / 11°C | 18°C / 10°C | 12days (114 mm) Wet | 7.8h Good | 81% Humid | 3.5 Moderate | Good | View Details |
| November | 13°C / 6°C | 11°C / 4°C | 16days (136 mm) Wet | 6.2h Fair | 87% Very Muggy | 2.2 Moderate | Poor | View Details |
| December | 11°C / 4°C | 8°C / 1°C | 14days (113 mm) Wet | 5.9h Fair | 89% Very Muggy | 1.6 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 9°C / 3°C . Feb: 12°C / 4°C . Mar: 13°C / 5°C . Apr: 15°C / 7°C . May: 19°C / 10°C . Jun: 23°C / 14°C . Jul: 25°C / 15°C . Aug: 26°C / 16°C . Sep: 22°C / 14°C . Oct: 19°C / 11°C . Nov: 13°C / 6°C . Dec: 11°C / 4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 130 mm. Feb: 101 mm. Mar: 111 mm. Apr: 104 mm. May: 104 mm. Jun: 112 mm. Jul: 50 mm. Aug: 59 mm. Sep: 90 mm. Oct: 114 mm. Nov: 136 mm. Dec: 113 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 88%. Feb: 84%. Mar: 81%. Apr: 79%. May: 80%. Jun: 81%. Jul: 80%. Aug: 77%. Sep: 79%. Oct: 81%. Nov: 87%. Dec: 89%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 14 km/h . Mar: 16 km/h . Apr: 15 km/h . May: 13 km/h . Jun: 12 km/h . Jul: 13 km/h . Aug: 12 km/h . Sep: 13 km/h . Oct: 14 km/h . Nov: 15 km/h . Dec: 14 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 2. Dec: UV 2.
Frequently Asked Questions
Altsasu has a population of approximately 7.4K.
The best months to visit Altsasu are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Altsasu receives approximately 1224mm of rainfall annually across 164 rainy days.
Altsasu is located in Spain, in the Europe region.