Soma weather in December

In December, Soma sees average daytime highs of 10°C and overnight lows near 3°C, with 96 mm of precipitation across 10.7 wet days and about 9.3 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 9°C by the end. The sky is clear or mostly clear about 24% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of December to 9 h 18 min by month's end. Set against the rest of the year, December is Soma's 12th-clearest and 10th-windiest month. For the whole year in context, see Soma's year-round climate.

Daytime high
10°
11th warmest
Overnight low
3rd coldest
Precipitation
96 mm
10.7 wet days
Daylight
9 h 18 min
7:28 AM – 4:43 PM
Cloud cover
67%
12th clearest
Wind
9 km/h
10th windiest
Solar energy
1.73 kWh/m²
Travel score
2.2
out of 10

Soma is settlement in Soma, Manisa, Turkey.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 9°C by the end.

A typical December day in Soma reaches about 10°C in the afternoon and slips back to 3°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 15°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1124
2124
3124
4124
5114
6114
7113
8113
9113
10113
11103
12103
13103
14103
15103
16102
17102
18102
19102
20102
2192
2292
2392
2492
2592
2692
2792
2892
2992
3092
3192

How December really feels in Soma

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 17 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
17
wind chill below the day's low

The story in December is cold — wind chill drags the overnight "feels like" below the raw low.

Soma weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 9710.229.61.7
Feb10° / 9510.62.110.52.3
Mar14° / 82101.211.73.9
Apr18° / 698.80.2136.1
May23° / 12°477014.17.6
Jun28° / 16°245014.77.3
Jul30° / 19°71.7014.56.4
Aug30° / 19°51.5013.56.5
Sep27° / 15°273.7012.38.2
Oct21° / 11°646.20117.4
Nov15° / 857.90.29.95.0
Dec10° / 9610.71.69.32.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44258
54258
64159
74159
84060
94060
104060
114060
123961
133961
143862
153862
163862
173862
183763
193763
203664
213664
223565
233565
243565
253466
263268
273268
283268
293268
303268
313268

Chance of precipitation in December

Any precipitationSnow

Soma gets around 96 mm of rain and snow over 10.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 35% and peaks near 37% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1332
2332
3332
4343
5343
6353
7354
8354
9364
10365
11375
12375
13375
14376
15376
16376
17366
18366
19356
20356
21356
22356
23356
24356
25357
26357
27357
28357
29357
30357
31357

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 9 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
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
2510calm
2610calm
2710calm
2810calm
2910calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 24 min at the start of December to 9 h 18 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 7:16 AM to 7:34 AM, and sunset from 4:43 PM to 4:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.47:164:43
29.47:174:43
39.47:184:42
49.47:194:42
59.47:204:42
69.47:204:42
79.37:214:42
89.37:224:42
99.37:234:42
109.37:244:42
119.37:254:42
129.37:254:43
139.37:264:43
149.37:274:43
159.37:274:43
169.37:284:43
179.37:294:44
189.27:294:44
199.27:304:44
209.27:304:45
219.27:314:45
229.27:314:46
239.27:324:46
249.27:324:47
259.27:334:47
269.27:334:48
279.37:334:48
289.37:344:49
299.37:344:50
309.37:344:50
319.37:344:51

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.73 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 7.44 kWh/m² in July across the year — December's 1.73 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.9Dim
21.9Dim
31.9Dim
41.9Dim
51.8Dim
61.8Dim
71.8Dim
81.8Dim
91.8Dim
101.8Dim
111.8Dim
121.7Dim
131.7Dim
141.7Dim
151.7Dim
161.7Dim
171.7Dim
181.7Dim
191.7Dim
201.7Dim
211.7Dim
221.7Dim
231.7Dim
241.7Dim
251.7Dim
261.7Dim
271.7Dim
281.7Dim
291.7Dim
301.7Dim
311.7Dim
Planning a trip in December

Hazard calendar for Soma

In seasonPeak

In December, Soma sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Soma's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Soma?

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

2.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Soma.

What to pack for Soma in December

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

In December, Soma sees daytime highs around 10°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Soma in December

The nearest coast averages about 16°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 64 km away) is warmest in August at about 24°C and coldest in February near 15°C.

It's comfortable for a long swim from May 30 to Oct 22 — about 4.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May19Cool
Jun22Refreshing
Jul24Refreshing
Aug24Refreshing
Sep22Refreshing
Oct21Refreshing
Nov18Cool
Dec16Cool

UV index in Soma 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 Soma peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateLowAug 10UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Soma in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Soma is worst in March — around 19 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMar 2219 µg/m³Jul 1912 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar19Moderate
Apr19Moderate
May19Moderate
Jun15Moderate
Jul11Good
Aug13Moderate
Sep12Moderate
Oct13Moderate
Nov14Moderate
Dec12Moderate
Location & terrain

Where is Soma?

Soma sits at 39.2°N, 27.6°E, 155 m above sea level, in Turkey. The nearest listed city is Kırkağaç, 10 km away.

Topography around Soma

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

Within 3 km, the terrain around Soma has significant variations in elevation — a maximum elevation change of 509 m around an average of 214 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,154 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,754 m.

The land around Soma is covered by trees (52%) and artificial surfaces (26%) within 3 km, trees (60%) within 16 km, and trees (51%) and grassland (22%) within 80 km.

3 km
509 m
16 km
1,154 m
80 km
1,754 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Kırkağaç 10 km · Akhisar 36 km · Bergama 38 km · Bigadiç 50 km · Balıkesir 57 km · Burhaniye 65 km · Manisa 66 km · Edremit 68 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%other 0%

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 Soma (39.1855°, 27.6094°, elevation 155 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).