Ermua weather in October

In October, Ermua sees average daytime highs of 18°C and overnight lows near 13°C, with 110 mm of rain across 13.6 wet days and about 10.8 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 17°C by the end. The sky is clear or mostly clear about 26% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 h 06 min by month's end. Set against the rest of the year, October is Ermua's 5th-clearest and 6th-windiest month. For the whole year in context, see Ermua's year-round climate.

Daytime high
18°
5th warmest
Overnight low
13°
8th coldest
Rainfall
110 mm
13.6 wet days
Daylight
10 h 48 min
7:31 AM – 6:19 PM
Cloud cover
61%
5th clearest
Wind
12 km/h
6th windiest
Solar energy
2.82 kWh/m²
Travel score
5.4
out of 10

Ermua is capital of Ermua Municipality, Spain.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 17°C by the end.

A typical October day in Ermua reaches about 18°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, October runs about 3°C cooler than September and about 4°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12014
22014
32014
41914
51914
61914
71913
81913
91913
101913
111913
121913
131913
141913
151813
161813
171813
181813
191812
201812
211812
221812
231812
241812
251712
261712
271712
281712
291711
301711
311711

Ermua weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 12415.30.89.22.4
Feb11° / 11013.71.410.22.6
Mar13° / 10513.30.511.63.5
Apr15° / 10915.30.113.13.8
May17° / 12°9314.3014.45.0
Jun20° / 14°7311.7015.16.0
Jul22° / 16°6610.8014.96.6
Aug23° / 17°6511.1013.86.8
Sep21° / 15°7511.6012.36.2
Oct18° / 13°11013.6010.85.4
Nov14° / 15715.80.19.53.5
Dec12° / 12414.50.58.92.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34456
44456
54456
64357
74357
84357
94357
104357
114456
124456
134456
144456
154456
164456
174456
184456
194456
204456
214555
224555
234456
244357
254357
264258
274258
284258
294159
303961
313961

Chance of precipitation in October

Any precipitation

Ermua gets around 110 mm of rain over 13.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
444
544
644
745
845
944
1044
1144
1244
1344
1444
1544
1644
1744
1844
1944
2044
2144
2243
2343
2443
2543
2644
2744
2845
2945
3046
3147

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1493714
2503614
3513613
4533512
5543511
6563410
757349
858348
959338
1060337
1161336
1262335
1364324
1464324
1566313
1666313
1768302
1869292
1970282
2070282
2172271
2273261
2375241
2476231
2577221
2678211
2780191
2881181
2982171
3084151
3185141

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 7:13 AM to 7:50 AM, and sunset from 6:45 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:136:45
211.57:146:43
311.47:156:41
411.47:176:40
511.37:186:38
611.37:196:36
711.27:206:34
811.27:216:32
911.17:236:31
1011.17:246:29
1111.07:256:27
1211.07:266:26
1310.97:276:24
1410.97:296:22
1510.87:306:21
1610.87:316:19
1710.77:326:17
1810.77:346:16
1910.77:356:14
2010.67:366:13
2110.67:386:11
2210.57:396:09
2310.57:406:08
2410.47:416:06
2510.47:436:05
2610.37:446:04
2710.37:456:02
2810.27:476:01
2910.27:485:59
3010.17:495:58
3110.17:505:57

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.82 kWh/m².

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 5.86 kWh/m² in June across the year — October's 2.82 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.0Moderate
113.0Moderate
123.0Moderate
132.9Moderate
142.9Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.3Moderate
312.3Moderate
Planning a trip in October

Is October a good time to visit Ermua?

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

5.4
Sightseeing
5th-best month of the year
1.9
Beach & pool
5th-best month of the year

October is a reasonable time to visit Ermua for sightseeing.

What to pack for Ermua in October

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

In October, Ermua sees daytime highs around 18°C and nights near 13°C. Worth packing: rain gear. About 14 days see rain.

rain gear

Sea temperature near Ermua in October

The nearest coast averages about 18°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 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 3 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 Ermua in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ermua 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
Feb2Low
Mar5Moderate
Apr6High
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Ermua?

Ermua sits at 43.2°N, 2.5°W, 181 m above sea level, in Spain. The nearest listed city is Eibar, 3.0 km away.

Topography around Ermua

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

Within 3 km, the terrain around Ermua has large variations in elevation — a maximum elevation change of 661 m around an average of 352 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,295 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,497 m.

The land around Ermua is covered by trees (73%) within 3 km, trees (76%) and grassland (21%) within 16 km, and trees (44%) and water (27%) within 80 km.

3 km
661 m
16 km
1,295 m
80 km
1,497 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Eibar 3.0 km · Durango 11 km · Arrasate / Mondragón 14 km · Amorebieta 19 km · Gernika-Lumo 21 km · Galdakao 28 km · Zarautz 29 km · Bermeo 31 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 Ermua (43.1872°, -2.5026°, elevation 181 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).