Giresun weather in December

In December, Giresun sees average daytime highs of 11°C and overnight lows near 7°C, with 131 mm of precipitation across 14.7 wet days and about 9.1 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 10°C by the end. The sky is clear or mostly clear about 23% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Giresun's 10th-clearest and 2nd-windiest month. For the whole year in context, see Giresun's year-round climate.

Daytime high
11°
9th warmest
Overnight low
4th coldest
Precipitation
131 mm
14.7 wet days
Daylight
9 h 06 min
6:50 AM – 3:55 PM
Cloud cover
67%
10th clearest
Wind
10 km/h
2nd windiest
Solar energy
1.56 kWh/m²
Travel score
2.5
out of 10

Giresun is central district and city in Giresun Province, Turkey.

Air quality
Elevated
PM2.5 21.8 µg/m³ · 2019
Density
396/km²
people per km²

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 13°C in the first days to 10°C by the end.

A typical December day in Giresun reaches about 11°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 16°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1139
2139
3139
4138
5128
6128
7128
8128
9128
10128
11128
12127
13117
14117
15117
16117
17117
18117
19117
20117
21117
22117
23117
24117
25116
26116
27116
28106
29106
30106
31106

Giresun weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 13215.65.49.41.6
Feb / 9813.65.210.41.6
Mar11° / 11915.83.311.72.4
Apr14° / 10614.20.213.13.9
May18° / 14°11013.8014.35.5
Jun22° / 18°9912.4014.96.5
Jul25° / 21°8212.1014.66.8
Aug25° / 21°10213.8013.66.4
Sep23° / 18°17614.6012.36.1
Oct19° / 15°21316.2010.95.4
Nov15° / 11°14912.80.59.74.3
Dec11° / 13114.72.49.12.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33763
43763
53664
63565
73664
83565
93565
103565
113466
123367
133367
143367
153268
163367
173367
183367
193367
203367
213466
223466
233466
243466
253466
263466
273466
283466
293466
303367
313268

Chance of precipitation in December

Any precipitationSnow

Giresun gets around 131 mm of rain and snow over 14.7 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 47% and peaks near 51% on the wettest days, and about 2 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1474
2474
3484
4495
5495
6505
7506
8516
9516
10517
11517
12518
13518
14509
15509
16499
174910
184810
194710
204610
214510
224510
234410
24449
25439
26439
27439
28439
294410
304410
314510

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 10 km/h in December.

Across December, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
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 18 min at the start of December to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 6:38 AM to 6:57 AM, and sunset from 3:55 PM to 4:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.36:383:55
29.36:393:54
39.26:403:54
49.26:413:54
59.26:423:54
69.26:433:54
79.26:433:54
89.26:443:54
99.16:453:54
109.16:463:54
119.16:473:54
129.16:483:54
139.16:483:54
149.16:493:54
159.16:503:55
169.16:503:55
179.16:513:55
189.16:523:55
199.16:523:56
209.16:533:56
219.16:533:57
229.16:543:57
239.16:543:58
249.16:553:58
259.16:553:59
269.16:553:59
279.16:564:00
289.16:564:00
299.16:564:01
309.16:564:02
319.16:574:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.56 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.56 kWh/m² to a high of 6.25 kWh/m² in June across the year — December's 1.56 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.7Dim
21.7Dim
31.7Dim
41.7Dim
51.6Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.6Dim
131.6Dim
141.5Dim
151.5Dim
161.5Dim
171.5Dim
181.5Dim
191.5Dim
201.5Dim
211.6Dim
221.6Dim
231.6Dim
241.6Dim
251.6Dim
261.6Dim
271.6Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in December

Is December a good time to visit Giresun?

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

2.5
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Giresun.

What to pack for Giresun in December

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

In December, Giresun sees daytime highs around 11°C and nights near 7°C. Pack a warm layer and rain gear. About 15 days see rain.

a warm layerrain gear

Sea temperature near Giresun in December

The nearest coast averages about 12°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 23 km away) is warmest in August at about 25°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 10 to Oct 15 — about 4.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar8Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep24Refreshing
Oct20Cool
Nov16Cool
Dec12Bracing

UV index in Giresun 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 Giresun peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowJun 21UV 9Dec 18UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar3Moderate
Apr7High
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Giresun 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 Giresun is worst in March — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 16 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Giresun's WHO annual average of 21.8 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2232 µg/m³Dec 1617 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb25Moderate
Mar32Moderate
Apr31Moderate
May24Moderate
Jun19Moderate
Jul20Moderate
Aug21Moderate
Sep18Moderate
Oct19Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Giresun?

Giresun sits at 40.9°N, 38.4°E, 39 m above sea level, in Turkey. The nearest listed city is Bulancak, 13 km away.

Topography around Giresun

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

Within 3 km, the terrain around Giresun has significant variations in elevation — a maximum elevation change of 508 m around an average of 76 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,205 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,262 m.

The land around Giresun is covered by water (54%) and trees (32%) within 3 km, trees (51%) and water (47%) within 16 km, and trees (45%), water (31%) and grassland (22%) within 80 km.

3 km
508 m
16 km
1,205 m
80 km
3,262 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Bulancak 13 km · Espiye 27 km · Tirebolu 37 km · Ordu 42 km · Görele 53 km · Gürgentepe 68 km · Şebin Karahisar 70 km · Beşikdüzü 73 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 Giresun (40.917°, 38.3874°, elevation 39 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).