Kos weather in January

In January, Kos sees average daytime highs of 14°C and overnight lows near 12°C, with 173 mm of rain across 12.3 wet days and about 9.8 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 46% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of January to 10 h 06 min by month's end. Set against the rest of the year, January is Kos's 11th-clearest and 3rd-windiest month. For the whole year in context, see Kos's year-round climate.

Daytime high: 14°; 11th warmest
Overnight low: 12°; 2nd coldest
Rainfall: 173 mm; 12.3 wet days
Daylight: 9 h 42 min; 7:28 AM – 5:12 PM
Cloud cover: 46%; 11th clearest
Wind: 26 km/h; 3rd windiest
Solar energy: 2.57 kWh/m²
Travel score: 4.1; out of 10

Kos is city on the homonymous island in Aegean Sea, Greece.

Density: 286/km²; people per km²

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

← December Kos year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 14°C through the month.

A typical January day in Kos reaches about 14°C in the afternoon and slips back to 12°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14
Avg low (°C)	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12

	Avg high (°C)	Avg low (°C)
1	14	13
2	14	12
3	14	12
4	14	12
5	14	12
6	14	12
7	14	12
8	14	12
9	14	12
10	14	12
11	14	12
12	14	12
13	14	12
14	14	12
15	14	12
16	14	12
17	14	12
18	14	12
19	14	12
20	14	12
21	14	12
22	14	12
23	14	12
24	14	12
25	14	12
26	14	12
27	14	12
28	14	12
29	14	12
30	14	12
31	14	12

Kos weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	14° / 12°	173	12.3	9.8	4.1
Feb	14° / 12°	126	11.5	10.6	4.0
Mar	15° / 13°	78	8.3	11.7	5.0
Apr	17° / 15°	39	5.8	12.9	6.3
May	20° / 18°	16	3.1	13.9	8.0
Jun	24° / 22°	2	0.4	14.5	9.5
Jul	26° / 24°	0	0.1	14.3	9.6
Aug	26° / 24°	0	0	13.4	9.4
Sep	24° / 23°	16	1.8	12.3	9.3
Oct	22° / 20°	62	4.9	11	8.0
Nov	19° / 17°	120	8.9	10	6.5
Dec	16° / 14°	190	12.8	9.5	4.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 39%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	56	57	57	58	59	59	59	60	61	61	61	61	62	62	62	62	62	62	62	61	61	61	61	62	62	62	62	62	62	62	61
Cloudier (%)	44	43	43	42	41	41	41	40	39	39	39	39	38	38	38	38	38	38	38	39	39	39	39	38	38	38	38	38	38	38	39

	Clearer (%)	Cloudier (%)
1	56	44
2	57	43
3	57	43
4	58	42
5	59	41
6	59	41
7	59	41
8	60	40
9	61	39
10	61	39
11	61	39
12	61	39
13	62	38
14	62	38
15	62	38
16	62	38
17	62	38
18	62	38
19	62	38
20	61	39
21	61	39
22	61	39
23	61	39
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	62	38
31	61	39

Chance of precipitation in January

Any precipitation

Kos gets around 173 mm of rain over 12.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 44% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	40	40	39	38	38	37	37	36	36	35	35	35	35	35	36	36	37	38	40	41	41	42	42	43	43	43	43	43	43	43	44

	Rain chance (%)
1	40
2	40
3	39
4	38
5	38
6	37
7	37
8	36
9	36
10	35
11	35
12	35
13	35
14	35
15	36
16	36
17	37
18	38
19	40
20	41
21	41
22	42
23	42
24	43
25	43
26	43
27	43
28	43
29	43
30	43
31	44

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	94	95	95	96	96	96	97	97	97	97	98	98	98	98	98	98	99	99	99	99	99	99	99	99	99	99	99	99	98	98	98
Comfortable (%)	6	5	5	4	4	4	3	3	3	3	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2

	Dry (%)	Comfortable (%)
1	94	6
2	95	5
3	95	5
4	96	4
5	96	4
6	96	4
7	97	3
8	97	3
9	97	3
10	97	3
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	98	2
30	98	2
31	98	2

Wind in January

Winds average 26 km/h in January.

Across January, daily wind ranges from about 25 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	26	26	26	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	26	26	26	26	26	27	27	27	27	27	27
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy

	Wind speed (km/h)	Feels
1	26	breezy
2	26	breezy
3	26	breezy
4	25	breezy
5	25	breezy
6	25	breezy
7	25	breezy
8	25	breezy
9	25	breezy
10	25	breezy
11	25	breezy
12	25	breezy
13	25	breezy
14	25	breezy
15	25	breezy
16	25	breezy
17	25	breezy
18	25	breezy
19	25	breezy
20	25	breezy
21	26	breezy
22	26	breezy
23	26	breezy
24	26	breezy
25	26	breezy
26	27	breezy
27	27	breezy
28	27	breezy
29	27	breezy
30	27	breezy
31	27	breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 30 min at the start of January to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 7:29 AM to 7:21 AM, and sunset from 4:59 PM to 5:27 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	9.5	9.5	9.5	9.5	9.6	9.6	9.6	9.6	9.6	9.6	9.6	9.7	9.7	9.7	9.7	9.7	9.8	9.8	9.8	9.8	9.8	9.9	9.9	9.9	9.9	10.0	10.0	10.0	10.0	10.1	10.1
Sunrise (AM)	7:29	7:29	7:29	7:29	7:29	7:29	7:29	7:29	7:29	7:29	7:29	7:29	7:29	7:29	7:28	7:28	7:28	7:28	7:27	7:27	7:27	7:26	7:26	7:25	7:25	7:24	7:24	7:23	7:22	7:22	7:21
Sunset (PM)	4:59	5:00	5:01	5:02	5:02	5:03	5:04	5:05	5:06	5:07	5:07	5:08	5:09	5:10	5:11	5:12	5:13	5:14	5:15	5:16	5:17	5:18	5:19	5:20	5:21	5:22	5:23	5:24	5:25	5:26	5:27

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.5	7:29	4:59
2	9.5	7:29	5:00
3	9.5	7:29	5:01
4	9.5	7:29	5:02
5	9.6	7:29	5:02
6	9.6	7:29	5:03
7	9.6	7:29	5:04
8	9.6	7:29	5:05
9	9.6	7:29	5:06
10	9.6	7:29	5:07
11	9.6	7:29	5:07
12	9.7	7:29	5:08
13	9.7	7:29	5:09
14	9.7	7:29	5:10
15	9.7	7:28	5:11
16	9.7	7:28	5:12
17	9.8	7:28	5:13
18	9.8	7:28	5:14
19	9.8	7:27	5:15
20	9.8	7:27	5:16
21	9.8	7:27	5:17
22	9.9	7:26	5:18
23	9.9	7:26	5:19
24	9.9	7:25	5:20
25	9.9	7:25	5:21
26	10.0	7:24	5:22
27	10.0	7:24	5:23
28	10.0	7:23	5:24
29	10.0	7:22	5:25
30	10.1	7:22	5:26
31	10.1	7:21	5:27

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.57 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 7.91 kWh/m² in June across the year — January's 2.57 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	2.3	2.3	2.3	2.3	2.3	2.4	2.4	2.4	2.4	2.4	2.5	2.5	2.5	2.5	2.5	2.6	2.6	2.6	2.6	2.6	2.7	2.7	2.7	2.8	2.8	2.8	2.8	2.9	2.9	2.9	3.0
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	2.3	Moderate
2	2.3	Moderate
3	2.3	Moderate
4	2.3	Moderate
5	2.3	Moderate
6	2.4	Moderate
7	2.4	Moderate
8	2.4	Moderate
9	2.4	Moderate
10	2.4	Moderate
11	2.5	Moderate
12	2.5	Moderate
13	2.5	Moderate
14	2.5	Moderate
15	2.5	Moderate
16	2.6	Moderate
17	2.6	Moderate
18	2.6	Moderate
19	2.6	Moderate
20	2.6	Moderate
21	2.7	Moderate
22	2.7	Moderate
23	2.7	Moderate
24	2.8	Moderate
25	2.8	Moderate
26	2.8	Moderate
27	2.8	Moderate
28	2.9	Moderate
29	2.9	Moderate
30	2.9	Moderate
31	3.0	Moderate

Planning a trip in January

Hazard calendar for Kos

In seasonPeak

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

Kos's rainy season runs November–February, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is January a good time to visit Kos?

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

4.1

Sightseeing

11th-best month of the year

0.0

Beach & pool

11th-best month of the year

January is a reasonable time to visit Kos for sightseeing.

What to pack for Kos in January

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

In January, Kos sees daytime highs around 14°C and nights near 12°C. Worth packing: a warm layer, rain gear and a windbreaker. About 12 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Kos in January

The nearest coast averages about 17°C in January — 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 25°C and coldest in March near 17°C.

It's comfortable for a long swim from May 23 to Nov 28 — about 6.2 months when the water holds above 20°C.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	17	17	17	17	19	22	24	25	24	23	21	19
Comfort	Cool	Cool	Cool	Cool	Cool	Refreshing	Refreshing	Warm	Warm	Refreshing	Refreshing	Cool

	Sea temperature (°C)	Comfort
Jan	17	Cool
Feb	17	Cool
Mar	17	Cool
Apr	17	Cool
May	19	Cool
Jun	22	Refreshing
Jul	24	Refreshing
Aug	25	Warm
Sep	24	Warm
Oct	23	Refreshing
Nov	21	Refreshing
Dec	19	Cool

UV index in Kos in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Kos peaks around June 22 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	3	4	8	8	10	9	9	8	5	3	2
Level	Moderate	Moderate	Moderate	Very high	Very high	Very high	Very high	Very high	Very high	Moderate	Moderate	Moderate

	UV index (midday)	Level
Jan	2	Moderate
Feb	3	Moderate
Mar	4	Moderate
Apr	8	Very high
May	8	Very high
Jun	10	Very high
Jul	9	Very high
Aug	9	Very high
Sep	8	Very high
Oct	5	Moderate
Nov	3	Moderate
Dec	2	Moderate

Location & terrain

Where is Kos?

Kos sits at 36.9°N, 27.3°E, 10 m above sea level, in Greece. The nearest listed city is Turgutreis, 14 km away.

Topography around Kos

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

Within 3 km, the terrain around Kos has only modest variations in elevation — a maximum elevation change of 196 m around an average of 22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 830 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,389 m.

The land around Kos is covered by water (37%) and grassland (23%) within 3 km, water (74%) within 16 km, and water (74%) within 80 km.

3 km

196 m

water 37%

16 km

830 m

water 74%

80 km

1,389 m

water 74%

treesshrubsgrasslandcroplandartificial surfaceswater

← December Kos year-round climate February →Best places to visit in January

January weather nearby: Turgutreis 14 km · Bodrum 20 km · Didim 55 km · Milas 64 km · Marmaris 88 km · Yatağan 91 km · Söke 96 km · Rhodes 98 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

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 Kos (36.8929°, 27.2877°, elevation 10 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).

	Avg high (°C)	Avg low (°C)
1	14	13
2	14	12
3	14	12
4	14	12
5	14	12
6	14	12
7	14	12
8	14	12
9	14	12
10	14	12
11	14	12
12	14	12
13	14	12
14	14	12
15	14	12
16	14	12
17	14	12
18	14	12
19	14	12
20	14	12
21	14	12
22	14	12
23	14	12
24	14	12
25	14	12
26	14	12
27	14	12
28	14	12
29	14	12
30	14	12
31	14	12

	Clearer (%)	Cloudier (%)
1	56	44
2	57	43
3	57	43
4	58	42
5	59	41
6	59	41
7	59	41
8	60	40
9	61	39
10	61	39
11	61	39
12	61	39
13	62	38
14	62	38
15	62	38
16	62	38
17	62	38
18	62	38
19	62	38
20	61	39
21	61	39
22	61	39
23	61	39
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	62	38
31	61	39

	Rain chance (%)
1	40
2	40
3	39
4	38
5	38
6	37
7	37
8	36
9	36
10	35
11	35
12	35
13	35
14	35
15	36
16	36
17	37
18	38
19	40
20	41
21	41
22	42
23	42
24	43
25	43
26	43
27	43
28	43
29	43
30	43
31	44

	Dry (%)	Comfortable (%)
1	94	6
2	95	5
3	95	5
4	96	4
5	96	4
6	96	4
7	97	3
8	97	3
9	97	3
10	97	3
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	98	2
30	98	2
31	98	2

	Avg high (°C)	Avg low (°C)
1	14	13
2	14	12
3	14	12
4	14	12
5	14	12
6	14	12
7	14	12
8	14	12
9	14	12
10	14	12
11	14	12
12	14	12
13	14	12
14	14	12
15	14	12
16	14	12
17	14	12
18	14	12
19	14	12
20	14	12
21	14	12
22	14	12
23	14	12
24	14	12
25	14	12
26	14	12
27	14	12
28	14	12
29	14	12
30	14	12
31	14	12

	Clearer (%)	Cloudier (%)
1	56	44
2	57	43
3	57	43
4	58	42
5	59	41
6	59	41
7	59	41
8	60	40
9	61	39
10	61	39
11	61	39
12	61	39
13	62	38
14	62	38
15	62	38
16	62	38
17	62	38
18	62	38
19	62	38
20	61	39
21	61	39
22	61	39
23	61	39
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	62	38
31	61	39

	Rain chance (%)
1	40
2	40
3	39
4	38
5	38
6	37
7	37
8	36
9	36
10	35
11	35
12	35
13	35
14	35
15	36
16	36
17	37
18	38
19	40
20	41
21	41
22	42
23	42
24	43
25	43
26	43
27	43
28	43
29	43
30	43
31	44

	Dry (%)	Comfortable (%)
1	94	6
2	95	5
3	95	5
4	96	4
5	96	4
6	96	4
7	97	3
8	97	3
9	97	3
10	97	3
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	98	2
30	98	2
31	98	2

	Avg high (°C)	Avg low (°C)
1	14	13
2	14	12
3	14	12
4	14	12
5	14	12
6	14	12
7	14	12
8	14	12
9	14	12
10	14	12
11	14	12
12	14	12
13	14	12
14	14	12
15	14	12
16	14	12
17	14	12
18	14	12
19	14	12
20	14	12
21	14	12
22	14	12
23	14	12
24	14	12
25	14	12
26	14	12
27	14	12
28	14	12
29	14	12
30	14	12
31	14	12

	Clearer (%)	Cloudier (%)
1	56	44
2	57	43
3	57	43
4	58	42
5	59	41
6	59	41
7	59	41
8	60	40
9	61	39
10	61	39
11	61	39
12	61	39
13	62	38
14	62	38
15	62	38
16	62	38
17	62	38
18	62	38
19	62	38
20	61	39
21	61	39
22	61	39
23	61	39
24	62	38
25	62	38
26	62	38
27	62	38
28	62	38
29	62	38
30	62	38
31	61	39

	Rain chance (%)
1	40
2	40
3	39
4	38
5	38
6	37
7	37
8	36
9	36
10	35
11	35
12	35
13	35
14	35
15	36
16	36
17	37
18	38
19	40
20	41
21	41
22	42
23	42
24	43
25	43
26	43
27	43
28	43
29	43
30	43
31	44

	Dry (%)	Comfortable (%)
1	94	6
2	95	5
3	95	5
4	96	4
5	96	4
6	96	4
7	97	3
8	97	3
9	97	3
10	97	3
11	98	2
12	98	2
13	98	2
14	98	2
15	98	2
16	98	2
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	98	2
30	98	2
31	98	2