Altsasu weather in July

In July, Altsasu sees average daytime highs of 23°C and overnight lows near 14°C, with 59 mm of rain across 10.4 wet days and about 14.8 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 33% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 15 h 06 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Altsasu's 2nd-clearest and 11th-windiest month. For the whole year in context, see Altsasu's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
59 mm
10.4 wet days
Daylight
14 h 54 min
5:48 AM – 8:40 PM
Cloud cover
55%
2nd clearest
Wind
7 km/h
11th windiest
Solar energy
5.77 kWh/m²
Travel score
6.9
out of 10

Altsasu is municipality of Spain.

Density
276/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical July day in Altsasu reaches about 23°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82313
92313
102313
112313
122313
132314
142314
152314
162314
172314
182314
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

How July really feels in Altsasu

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Altsasu weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 11315.13.39.21.5
Feb10° / 10313.6410.22.0
Mar13° / 100142.211.63.2
Apr15° / 113160.613.13.7
May18° / 10615.3014.45.0
Jun21° / 12°7911.6015.16.2
Jul23° / 14°5910.4014.86.9
Aug24° / 14°6511.8013.86.8
Sep21° / 12°7011.6012.36.2
Oct18° / 9612.70.110.85.3
Nov12° / 127150.89.52.8
Dec / 10113.82.28.91.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 17% of July, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34654
44555
54555
64654
74654
84753
94753
104753
114852
124951
134951
145050
155050
165149
175149
185149
195149
205248
215248
225248
235248
245347
255248
265248
275248
285149
295248
305248
315248

Chance of precipitation in July

Any precipitation

Altsasu gets around 59 mm of rain over 10.4 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
835
935
1034
1134
1233
1333
1432
1532
1631
1731
1831
1931
2031
2131
2231
2331
2432
2532
2633
2733
2834
2934
3035
3135

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the comfortable band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13442240
23342250
33342250
43242260
53241260
63141270
73141281
83041281
92941291
102841301
112741301
122641312
132541322
142441332
152341333
162142343
172042353
181942363
191842374
201742374
211642384
221542394
231443394
241343404
251343404
261243404
271244414
281144414
291144414
301144414
311144414

Wind in July

Winds average 7 km/h in July.

Across July, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 06 min at the start of July to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 5:38 AM to 6:02 AM, and sunset from 8:46 PM to 8:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.15:388:46
215.15:398:46
315.15:398:46
415.15:408:45
515.15:408:45
615.15:418:45
715.15:428:45
815.05:428:44
915.05:438:44
1015.05:448:44
1115.05:448:43
1215.05:458:43
1314.95:468:42
1414.95:478:42
1514.95:478:41
1614.95:488:40
1714.85:498:40
1814.85:508:39
1914.85:518:38
2014.85:528:38
2114.75:538:37
2214.75:538:36
2314.75:548:35
2414.65:558:34
2514.65:568:33
2614.65:578:32
2714.65:588:31
2814.55:598:30
2914.56:008:29
3014.46:018:28
3114.46:028:27

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.77 kWh/m².

For context, solar energy here swings from a low near 1.42 kWh/m² to a high of 5.91 kWh/m² in June across the year — July's 5.77 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Altsasu?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.9
Sightseeing
1st-best month of the year
5.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Altsasu for sightseeing.

What to pack for Altsasu in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Altsasu sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Altsasu in July

The nearest coast averages about 21°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 53 km away) is warmest in August at about 22°C and coldest in February near 12°C.

It's comfortable for a long swim from Jul 2 to Sep 25 — about 2.8 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar13Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug22Refreshing
Sep21Refreshing
Oct18Cool
Nov16Cool
Dec14Bracing

UV index in Altsasu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Altsasu peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Altsasu?

Altsasu sits at 42.9°N, 2.2°W, 0 m above sea level, in Spain. The nearest listed city is Tolosa, 27 km away.

Topography around Altsasu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Altsasu.

Within 3 km, the terrain around Altsasu has large variations in elevation — a maximum elevation change of 625 m around an average of 594 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,365 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,532 m.

The land around Altsasu is covered by trees (66%) and grassland (24%) within 3 km, trees (72%) and grassland (23%) within 16 km, and trees (44%) and cropland (22%) within 80 km.

3 km
625 m
16 km
1,365 m
80 km
1,532 m
treesshrubsgrasslandcroplandartificial surfaceswater
July weather nearby: Tolosa 27 km · Arrasate / Mondragón 32 km · Eibar 40 km · Barañáin 41 km · Oria 41 km · Gasteiz / Vitoria 42 km · Ermitagaña 42 km · Ermua 42 km

Spain travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$38,627
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 540
Religion
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Altsasu (42.9°, -2.1652°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).