Gernika-Lumo weather in April

In April, Gernika-Lumo sees average daytime highs of 15°C and overnight lows near 9°C, with 105 mm of precipitation across 15.4 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 16°C by the end. The sky is clear or mostly clear about 19% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 48 min by month's end. Set against the rest of the year, April is Gernika-Lumo's 8th-clearest and 6th-windiest month. For the whole year in context, see Gernika-Lumo's year-round climate.

Daytime high
15°
7th warmest
Overnight low
5th coldest
Precipitation
105 mm
15.4 wet days
Daylight
13 h 12 min
6:35 AM – 7:47 PM
Cloud cover
66%
8th clearest
Wind
12 km/h
6th windiest
Solar energy
4.7 kWh/m²
Travel score
3.8
out of 10

Gernika-Lumo is capital of Gernika-Lumo Municipality, Spain.

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 16°C by the end.

A typical April day in Gernika-Lumo reaches about 15°C in the afternoon and slips back to 9°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 19°C. Set against its neighbours, April runs about 1°C warmer than March and about 3°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1148
2148
3148
4148
5148
6148
7148
8148
9148
10148
11148
12148
13148
14148
15159
16159
17159
18159
19159
20159
21159
22159
23159
24159
25159
26169
271610
281610
291610
301610

Gernika-Lumo weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 119150.99.22.4
Feb12° / 10713.61.410.22.6
Mar13° / 10313.50.511.63.5
Apr15° / 10515.40.113.23.8
May17° / 11°9014.5014.55.0
Jun20° / 14°7111.5015.16.0
Jul22° / 16°6210.6014.96.7
Aug23° / 16°6010.9013.86.8
Sep21° / 15°7011.5012.36.2
Oct18° / 12°10614010.85.4
Nov14° / 14515.50.19.53.5
Dec12° / 11414.60.58.82.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53862
63862
73862
83862
93862
103862
113862
123862
133862
143961
153961
163862
173862
183961
193862
203862
213763
223763
233763
243664
253565
263565
273664
283466
293466
303367

Chance of precipitation in April

Any precipitation

Gernika-Lumo gets around 105 mm of rain and snow over 15.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 51% and peaks near 53% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202530
Rain chance (%)
148
248
348
449
549
649
750
850
950
1051
1151
1252
1352
1452
1552
1652
1752
1852
1952
2052
2152
2253
2353
2453
2553
2653
2753
2853
2953
3053

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
13991
14991
15991
16991
17991
18991
19991
20982
21982
22982
23982
24973
25973
26964
27964
28964
29955
30946

Wind in April

Winds average 12 km/h in April.

Across April, 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.

051015151015202530
Wind speed (km/h)Feels
113light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 7:02 AM to 6:13 AM, and sunset from 7:29 PM to 8:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.47:027:29
212.57:007:30
312.56:587:31
412.66:577:32
512.66:557:33
612.76:537:35
712.76:517:36
812.86:497:37
912.86:487:38
1012.96:467:39
1112.96:447:41
1213.06:427:42
1313.06:417:43
1413.16:397:44
1513.16:377:45
1613.26:357:47
1713.26:347:48
1813.36:327:49
1913.36:307:50
2013.46:297:51
2113.46:277:53
2213.56:257:54
2313.56:247:55
2413.66:227:56
2513.66:217:57
2613.76:197:58
2713.76:178:00
2813.76:168:01
2913.86:148:02
3013.86:138:03

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.7 kWh/m².

For context, solar energy here swings from a low near 1.4 kWh/m² to a high of 5.85 kWh/m² in June across the year — April's 4.7 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.6Bright
124.6Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Gernika-Lumo?

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

3.8
Sightseeing
7th-best month of the year
0.1
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in Gernika-Lumo.

What to pack for Gernika-Lumo in April

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

In April, Gernika-Lumo sees daytime highs around 15°C and nights near 9°C. Pack rain gear. Worth having: a warm layer and sun protection. About 15 days see rain.

rain geara warm layersun protection

Sea temperature near Gernika-Lumo in April

The nearest coast averages about 14°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 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 Gernika-Lumo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gernika-Lumo peaks around July 15 at about 9 (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 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Low
Mar5Moderate
Apr6High
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Gernika-Lumo?

Gernika-Lumo sits at 43.3°N, 2.7°W, 97 m above sea level, in Spain. The nearest listed city is Amorebieta, 12 km away.

Topography around Gernika-Lumo

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

Within 3 km, the terrain around Gernika-Lumo has significant variations in elevation — a maximum elevation change of 390 m around an average of 105 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,013 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,596 m.

The land around Gernika-Lumo is covered by trees (66%) and grassland (26%) within 3 km, trees (67%) within 16 km, and trees (44%) and water (32%) within 80 km.

3 km
390 m
16 km
1,013 m
80 km
1,596 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Amorebieta 12 km · Bermeo 12 km · Mungia 14 km · Galdakao 16 km · Durango 17 km · Basauri 18 km · Santutxu 20 km · Bilbao 20 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 Gernika-Lumo (43.3167°, -2.6833°, elevation 97 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).