Fira weather in December

In December, Fira sees average daytime highs of 16°C and overnight lows near 14°C, with 58 mm of rain across 9.6 wet days and about 9.6 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 15°C by the end. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of December to 9 h 30 min by month's end. Set against the rest of the year, December is Fira's 12th-clearest and 3rd-windiest month. For the whole year in context, see Fira's year-round climate.

Daytime high
16°
9th warmest
Overnight low
14°
4th coldest
Rainfall
58 mm
9.6 wet days
Daylight
9 h 30 min
7:29 AM – 5:00 PM
Cloud cover
54%
12th clearest
Wind
27 km/h
3rd windiest
Solar energy
2.21 kWh/m²
Travel score
5.0
out of 10

Fira is village in Santorini, Greece.

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 17°C in the first days to 15°C by the end.

A typical December day in Fira reaches about 16°C in the afternoon and slips back to 14°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11715
21715
31715
41715
51715
61615
71615
81615
91615
101614
111614
121614
131614
141614
151614
161614
171514
181514
191514
201514
211514
221514
231514
241513
251513
261513
271513
281513
291513
301513
311513

Fira weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 13°6911.39.84.2
Feb14° / 13°589.310.64.3
Mar15° / 13°396.411.75.2
Apr17° / 15°153.112.96.6
May20° / 18°81.613.98.1
Jun23° / 22°10.314.49.5
Jul25° / 24°0014.29.7
Aug25° / 24°00.113.49.6
Sep24° / 23°51.112.29.4
Oct21° / 20°253.911.18.0
Nov18° / 17°366.210.16.7
Dec16° / 14°589.69.65.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25842
35842
45743
55743
65644
75644
85644
95644
105644
115545
125545
135644
145545
155545
165545
175545
185545
195545
205545
215545
225446
235446
245446
255446
265347
275446
285347
295347
305347
315248

Chance of precipitation in December

Any precipitation

Fira gets around 58 mm of rain over 9.6 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
127
228
328
429
530
631
731
832
933
1033
1133
1234
1334
1434
1534
1633
1733
1832
1932
2031
2131
2231
2331
2431
2531
2632
2733
2833
2934
3035
3136

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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
167267
269247
370237
473216
574206
676195
777185
879174
981163
1082153
1183152
1285141
1385141
1485141
1587130
1687130
1787130
1887130
1987130
2087130
2187130
2287130
2388120
2488120
2588120
2689110
2789110
2890100
2990100
309190
319190

Wind in December

Winds average 27 km/h in December.

Across December, daily wind ranges from about 26 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
627breezy
727breezy
827breezy
927breezy
1027breezy
1127breezy
1227breezy
1327breezy
1427breezy
1527breezy
1627breezy
1727breezy
1827breezy
1927breezy
2027breezy
2127breezy
2227breezy
2327breezy
2427breezy
2527breezy
2627breezy
2727breezy
2827breezy
2927breezy
3028breezy
3128breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 42 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 12 minutes over December. Sunrise moves from 7:17 AM to 7:35 AM, and sunset from 4:59 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:174:59
29.77:184:59
39.77:194:59
49.67:204:59
59.67:214:59
69.67:214:59
79.67:224:59
89.67:234:59
99.67:244:59
109.67:254:59
119.67:254:59
129.67:264:59
139.57:274:59
149.57:275:00
159.57:285:00
169.57:295:00
179.57:295:01
189.57:305:01
199.57:305:01
209.57:315:02
219.57:315:02
229.57:325:03
239.57:325:03
249.57:335:04
259.57:335:04
269.57:345:05
279.57:345:05
289.57:345:06
299.57:355:07
309.57:355:07
319.57:355:08

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.21 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 7.91 kWh/m² in June across the year — December's 2.21 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.2Moderate
112.2Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in December

Is December a good time to visit Fira?

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

5.0
Sightseeing
10th-best month of the year
0.5
Beach & pool
9th-best month of the year

December is a reasonable time to visit Fira for sightseeing.

What to pack for Fira in December

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

In December, Fira sees daytime highs around 16°C and nights near 14°C. Worth packing: a warm layer, rain gear and a windbreaker. About 10 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Fira in December

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

The sea offshore is warmest in August at about 24°C and coldest in February near 16°C.

It's comfortable for a long swim from May 28 to Nov 12 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Refreshing
Aug24Warm
Sep24Refreshing
Oct22Refreshing
Nov20Cool
Dec18Cool

UV index in Fira 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 Fira peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 17UV 9Jan 10UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate
Location & terrain

Where is Fira?

Fira sits at 36.4°N, 25.4°E, 0 m above sea level, in Greece. The nearest listed city is Oia, 7.0 km away.

NaxosParosMykonosHeraklionRethymnoChaniaKos

Topography around Fira

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

Within 3 km, the terrain around Fira has significant variations in elevation — a maximum elevation change of 355 m around an average of 75 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 548 m; within 80 km, large variations in elevation — a maximum elevation change of 971 m.

The land around Fira is covered by water (41%) and grassland (37%) within 3 km, water (89%) within 16 km, and water (93%) within 80 km.

3 km
355 m
16 km
548 m
80 km
971 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Oia 7.0 km · Naxos 76 km · Paros 78 km · Mykonos 114 km · Heraklion 124 km · Rethymno 145 km · Chania 162 km · Kos 174 km

Greece travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$26,948
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
8.3
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 592
Religion
other 3%Muslim 2%

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 Fira (36.4211°, 25.4309°, elevation 0 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).