Mairena del Aljarafe weather in December

In December, Mairena del Aljarafe sees average daytime highs of 17°C and overnight lows near 8°C, with 79 mm of rain across 7 wet days and about 9.5 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 43% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Mairena del Aljarafe's 12th-clearest and 3rd-windiest month. For the whole year in context, see Mairena del Aljarafe's year-round climate.

Daytime high
17°
11th warmest
Overnight low
3rd coldest
Rainfall
79 mm
7 wet days
Daylight
9 h 24 min
8:37 AM – 6:04 PM
Cloud cover
50%
12th clearest
Wind
10 km/h
3rd windiest
Solar energy
2.27 kWh/m²
Travel score
5.8
out of 10

Mairena del Aljarafe is capital of Mairena del Aljarafe Municipality, Spain.

Air quality
Good
PM10 21.3 µg/m³ · 2019

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical December day in Mairena del Aljarafe reaches about 17°C in the afternoon and slips back to 8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, December runs about 3°C cooler than November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1188
2178
3178
4178
5178
6178
7178
8178
9178
10178
11178
12178
13178
14178
15178
16178
17178
18178
19178
20178
21168
22168
23168
24168
25168
26168
27167
28167
29167
30167
31167

How December really feels in Mairena del Aljarafe

Once humidity and wind are folded in, December 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

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

Mairena del Aljarafe weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 546.79.75.6
Feb18° / 515.510.66.5
Mar21° / 10°586.811.77.1
Apr23° / 12°547.112.97.4
May27° / 15°365.2147.4
Jun31° / 18°81.414.55.6
Jul35° / 20°20.314.33.8
Aug34° / 21°30.513.43.8
Sep31° / 18°303.812.35.7
Oct25° / 15°737.5117.3
Nov20° / 10°676.7107.0
Dec17° / 7979.55.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65644
75644
85545
95545
105545
115446
125446
135446
145347
155347
165347
175446
185446
195446
205446
215545
225545
235644
245545
255545
265644
275644
285644
295743
305743
315743

Chance of precipitation in December

Any precipitation

Mairena del Aljarafe gets around 79 mm of rain over 7 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
122
222
322
422
521
621
721
821
921
1021
1122
1222
1322
1423
1523
1623
1724
1824
1924
2024
2124
2224
2324
2424
2524
2624
2723
2823
2923
3022
3122

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19271
29271
39271
49361
59361
69361
79361
89361
99361
109271
119271
129271
139271
149271
159172
169172
179172
189172
199172
209172
219172
229082
239082
249082
259082
269082
279082
289082
299181
309181
319181

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 36 min at the start of December to 9 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 8:26 AM to 8:44 AM, and sunset from 6:02 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.68:266:02
29.68:266:02
39.68:276:02
49.68:286:02
59.68:296:02
69.58:306:02
79.58:316:02
89.58:326:02
99.58:326:02
109.58:336:02
119.58:346:02
129.58:356:03
139.58:356:03
149.58:366:03
159.48:376:03
169.48:376:04
179.48:386:04
189.48:386:04
199.48:396:05
209.48:406:05
219.48:406:05
229.48:416:06
239.48:416:06
249.48:416:07
259.48:426:07
269.48:426:08
279.48:436:09
289.48:436:09
299.48:436:10
309.58:436:11
319.58:446:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.27 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 7.93 kWh/m² in July across the year — December's 2.27 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.3Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in December

Is December a good time to visit Mairena del Aljarafe?

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

5.8
Sightseeing
7th-best month of the year
1.2
Beach & pool
11th-best month of the year

December is a reasonable time to visit Mairena del Aljarafe for sightseeing.

What to pack for Mairena del Aljarafe in December

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

In December, Mairena del Aljarafe sees daytime highs around 17°C and nights near 8°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

UV index in Mairena del Aljarafe in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mairena del Aljarafe peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 15UV 10Dec 19UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar7High
Apr8Very high
May7Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep7High
Oct5High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Mairena del Aljarafe?

Mairena del Aljarafe sits at 37.3°N, 6.1°W, 70 m above sea level, in Spain. The nearest listed city is San Juan de Aznalfarache, 3.0 km away.

Topography around Mairena del Aljarafe

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

Within 3 km, the terrain around Mairena del Aljarafe has only modest variations in elevation — a maximum elevation change of 106 m around an average of 63 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 187 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,259 m.

The land around Mairena del Aljarafe is covered by artificial surfaces (30%), grassland (27%) and trees (23%) within 3 km, cropland (33%), grassland (23%) and trees (21%) within 16 km, and cropland (33%), trees (26%) and grassland (23%) within 80 km.

3 km
106 m
16 km
187 m
80 km
1,259 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: San Juan de Aznalfarache 3.0 km · Bormujos 3.0 km · Tomares 4.0 km · Castilleja de la Cuesta 5.0 km · Coria del Río 6.0 km · Camas 7.0 km · Seville 9.0 km · La Algaba 14 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 Mairena del Aljarafe (37.3446°, -6.0639°, elevation 70 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. 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).