Heraklion weather in January

In January, Heraklion sees average daytime highs of 14°C and overnight lows near 8°C, with 68 mm of precipitation across 12 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 1st-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 26% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Heraklion's 11th-clearest and 4th-windiest month. For the whole year in context, see Heraklion's year-round climate.

Daytime high
14°
12th warmest
Overnight low
2nd coldest
Precipitation
68 mm
12 wet days
Daylight
9 h 54 min
7:33 AM – 5:25 PM
Cloud cover
57%
11th clearest
Wind
9 km/h
4th windiest
Solar energy
2.67 kWh/m²
Travel score
3.9
out of 10

Heraklion is city in the island of Crete, Greece.

Density
1,258/km²
people per km²

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

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 Heraklion reaches about 14°C in the afternoon and slips back to 8°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 17°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1148
2148
3148
4148
5148
6148
7148
8148
9148
10148
11148
12148
13148
14148
15148
16148
17148
18148
19148
20148
21148
22148
23148
24148
25148
26148
27148
28148
29148
30147
31147

Heraklion weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 68129.93.9
Feb14° / 6410.510.74.2
Mar17° / 548.311.75.6
Apr20° / 11°365.612.97.3
May25° / 15°314.313.88.3
Jun28° / 19°131.914.37.9
Jul30° / 21°50.714.17.2
Aug29° / 22°60.713.37.2
Sep27° / 19°192.912.28.1
Oct24° / 16°385.911.17.8
Nov19° / 12°457.110.16.6
Dec15° / 6411.39.74.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 22% of January, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44753
54654
64654
74753
84753
94852
104753
114852
124852
134852
144852
154852
164852
174852
184852
194951
204951
214951
225050
235149
245149
255248
265248
275248
285248
295248
305248
315248

Chance of precipitation in January

Any precipitationSnow

Heraklion gets around 68 mm of rain and snow over 12 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 42% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1421
2421
3422
4412
5412
6412
7412
8402
9402
10391
11391
12381
13381
14371
15371
16371
17371
18371
19371
20371
21371
22371
23371
24361
25361
26361
27361
28351
29351
30351
31351

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 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 January

Winds average 9 km/h in January.

Across January, 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
259calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:33 AM to 7:26 AM, and sunset from 5:12 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:335:12
29.77:335:13
39.77:335:14
49.77:335:14
59.77:345:15
69.77:345:16
79.77:345:17
89.77:345:18
99.77:345:18
109.87:345:19
119.87:345:20
129.87:345:21
139.87:335:22
149.87:335:23
159.87:335:24
169.97:335:25
179.97:335:25
189.97:325:26
199.97:325:27
209.97:325:28
2110.07:315:29
2210.07:315:30
2310.07:315:31
2410.07:305:32
2510.17:305:33
2610.17:295:34
2710.17:295:35
2810.17:285:36
2910.27:285:37
3010.27:275:38
3110.27:265:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.67 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 7.87 kWh/m² in June across the year — January's 2.67 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
283.0Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in January

Hazard calendar for Heraklion

In seasonPeak

None of Heraklion's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Heraklion sees seasonal dust haze (May), heaviest in May.

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

Is January a good time to visit Heraklion?

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

3.9
Sightseeing
12th-best month of the year
0.0
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Heraklion.

What to pack for Heraklion in January

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

In January, Heraklion sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Heraklion in January

The nearest coast averages about 16°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 February near 16°C.

It's comfortable for a long swim from May 25 to Nov 19 — about 5.9 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug25Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Heraklion in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Heraklion peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highHighModerateJul 13UV 10Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb3Moderate
Mar6High
Apr8Very high
May7Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Heraklion?

Heraklion sits at 35.3°N, 25.1°E, 60 m above sea level, in Greece. The nearest listed city is Rethymno, 60 km away.

RethymnoChaniaFiraOiaParosNaxosMykonosKos

Topography around Heraklion

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

Within 3 km, the terrain around Heraklion has only modest variations in elevation — a maximum elevation change of 188 m around an average of 49 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 822 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,433 m.

The land around Heraklion is covered by artificial surfaces (53%) within 3 km, water (39%), trees (27%) and grassland (24%) within 16 km, and water (69%) within 80 km.

3 km
188 m
16 km
822 m
80 km
2,433 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Rethymno 60 km · Chania 103 km · Fira 124 km · Oia 128 km · Paros 195 km · Naxos 199 km · Mykonos 236 km · Kos 260 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 Heraklion (35.3279°, 25.1434°, elevation 60 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).