Irun weather in July

In July, Irun sees average daytime highs of 23°C and overnight lows near 15°C, with 83 mm of rain across 12.3 wet days and about 14.9 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 29% of the time in July, and the air most often feels humid.

Daylight stretches from about 15 h 12 min at the start of July to 14 h 30 min by month's end. Set against the rest of the year, July is Irun's 3rd-clearest and 11th-windiest month. For the whole year in context, see Irun's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
15°
11th coldest
Rainfall
83 mm
12.3 wet days
Daylight
14 h 54 min
5:45 AM – 8:40 PM
Cloud cover
58%
3rd clearest
Wind
8 km/h
11th windiest
Solar energy
5.72 kWh/m²
Travel score
6.5
out of 10

Irun is capital town of the municipality of Irun, Spain.

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 Irun reaches about 23°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°C. Set against its neighbours, July runs about 2°C warmer than June and about 1°C cooler than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82215
92215
102215
112215
122315
132315
142315
152315
162315
172316
182316
192316
202316
212316
222316
232316
242416
252416
262416
272416
282416
292416
302416
312416

Irun 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
Jan10° / 12314.71.29.22.1
Feb11° / 11113.31.910.22.4
Mar14° / 10713.90.911.63.6
Apr15° / 12716.30.113.23.9
May18° / 11°12415.3014.55.1
Jun21° / 14°9812.6015.26.0
Jul23° / 15°8312.3014.96.5
Aug24° / 16°9012.6013.86.7
Sep21° / 14°9612.7012.36.1
Oct18° / 11°12413.8010.85.3
Nov14° / 15315.40.29.53.3
Dec11° / 12614.50.88.82.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 19% of July, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64555
74654
84654
94654
104654
114654
124852
134753
144852
154852
164852
174852
184951
194951
204951
214951
224951
234951
245050
254951
265050
275050
285050
295050
305149
315149

Chance of precipitation in July

Any precipitation

Irun gets around 83 mm of rain over 12.3 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 39% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
343
443
543
643
742
842
941
1040
1140
1239
1338
1437
1537
1637
1736
1836
1936
2036
2136
2237
2337
2437
2537
2638
2738
2838
2938
3039
3139

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11840366
21741367
31641367
41641367
51540378
61540378
71440378
81439389
913383810
1013373910
1113364011
1212354112
1312344113
1411334213
1511324314
1610304415
1710304516
189294516
198284617
207284718
217274818
226274818
235274919
245274919
254274919
264274919
273284920
283284920
293294820
303294820
313304720

Wind in July

Winds average 8 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 12 min at the start of July to 14 h 30 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 5:35 AM to 6:00 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)
115.25:358:46
215.25:368:46
315.25:368:46
415.15:378:45
515.15:378:45
615.15:388:45
715.15:398:45
815.15:398:44
915.15:408:44
1015.05:418:44
1115.05:418:43
1215.05:428:43
1315.05:438:42
1415.05:448:42
1514.95:448:41
1614.95:458:40
1714.95:468:40
1814.95:478:39
1914.85:488:38
2014.85:498:37
2114.85:508:37
2214.85:518:36
2314.75:528:35
2414.75:538:34
2514.75:548:33
2614.65:558:32
2714.65:568:31
2814.65:578:30
2914.55:588:29
3014.55:598:28
3114.56:008:27

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.72 kWh/m².

For context, solar energy here swings from a low near 1.38 kWh/m² to a high of 5.85 kWh/m² in June across the year — July's 5.72 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in July

Is July a good time to visit Irun?

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

6.5
Sightseeing
2nd-best month of the year
5.0
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Irun for sightseeing.

What to pack for Irun in July

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

In July, Irun sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Irun 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 offshore is warmest in August at about 22°C and coldest in February near 12°C.

It's comfortable for a long swim from Jul 1 to Sep 25 — about 2.9 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 Irun in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Irun peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Irun in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Irun is worst in February — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodFeb 2116 µg/m³Nov 207 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb16Moderate
Mar15Moderate
Apr12Good
May9Good
Jun9Good
Jul9Good
Aug9Good
Sep9Good
Oct8Good
Nov7Good
Dec8Good
Location & terrain

Where is Irun?

Irun sits at 43.3°N, 1.8°W, 23 m above sea level, in Spain. The nearest listed city is Hondarribia, 3.0 km away.

Topography around Irun

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

Within 3 km, the terrain around Irun has significant variations in elevation — a maximum elevation change of 342 m around an average of 53 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 883 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,044 m.

The land around Irun is covered by trees (47%) and artificial surfaces (26%) within 3 km, trees (45%) and water (36%) within 16 km, and trees (47%) and water (25%) within 80 km.

3 km
342 m
16 km
883 m
80 km
2,044 m
treesgrasslandcroplandartificial surfaceswaterwetland
July weather nearby: Hondarribia 3.0 km · Errenteria 10 km · Pasaia 11 km · San Sebastian 15 km · Hernani 17 km · Lasarte 20 km · Oria 21 km · Biarritz 25 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 Irun (43.339°, -1.7894°, elevation 23 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).