How warm is it in Heraklion in January?

Daytime highs averaged 14.9 °C, night-time lows 12.2 °C. The highest value of the past 10 years was 21.4 °C (10 Jan 2021), the lowest 5.4 °C (24 Jan 2022).

How often does it rain in Heraklion in January?

On average there were 15.2 rain days (at least 1 mm) with 90.9 mm of precipitation in total.

🇬🇷 Weather in Heraklion in January

This is what the weather in Heraklion (Crete, Greece) was like in January in 2017–2026.

Key facts at a glance

Prevailing weather: Light rain

Avg. daytime high

14.9 °C

13.0 °C – 16.8 °C

Avg. night-time low

12.2 °C

10.2 °C – 14.1 °C

Avg. rain days in period

15.2

49 % of days · ≥ 1.0 mm

Avg. precipitation in period

90.9 mm

45.2 mm – 163 mm

Avg. cloud cover

69 %

This data source has no sunshine hours – average cloud cover shown instead.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 21.4 °C (10 Jan 2021) · Lowest temperature 5.4 °C (24 Jan 2022) · Avg. daily peak wind 31 km/h

Weather mix of all days

24Sunny
86Partly cloudy
48Cloudy
86Light rain
66Rain

Summary

On average 14.9 °C during the day and 12.2 °C at night.
On average 15.2 rain days (Rain day = at least 1.0 mm of precipitation) with 90.9 mm of precipitation in total.
Prevailing: Light rain.
Warmest year: 2025 (avg. 16.8 °C), coolest: 2017 (avg. 13.0 °C).
Wettest year: 2019 (163 mm), driest: 2025 (45.2 mm).
Extremes: 21.4 °C on 10 Jan 2021 and 5.4 °C on 24 Jan 2022.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max16.0°Avg. min13.0°
Rain days
15 Rain days
Precipitation
111 mm
Avg. cloud cover
68 % cloudy
Sea temperature
–
Max 20.2 °C · Min 8.9 °C
2025
Avg. max16.8°Avg. min14.1°
Rain days
8 Rain days
Precipitation
45.2 mm
Avg. cloud cover
57 % cloudy
Sea temperature
–
Max 18.3 °C · Min 12.4 °C
2024
Avg. max15.6°Avg. min13.0°
Rain days
14 Rain days
Precipitation
105 mm
Avg. cloud cover
77 % cloudy
Sea temperature
–
Max 19.2 °C · Min 9.1 °C
2023
Avg. max15.8°Avg. min13.1°
Rain days
12 Rain days
Precipitation
67.8 mm
Avg. cloud cover
52 % cloudy
Sea temperature
–
Max 18.0 °C · Min 10.0 °C
2022
Avg. max13.7°Avg. min10.8°
Rain days
17 Rain days
Precipitation
86.7 mm
Avg. cloud cover
72 % cloudy
Sea temperature
–
Max 17.1 °C · Min 5.4 °C
2021
Avg. max16.1°Avg. min12.9°
Rain days
15 Rain days
Precipitation
65.7 mm
Avg. cloud cover
72 % cloudy
Sea temperature
–
Max 21.4 °C · Min 8.4 °C
2020
Avg. max13.6°Avg. min11.2°
Rain days
17 Rain days
Precipitation
107 mm
Avg. cloud cover
73 % cloudy
Sea temperature
–
Max 16.8 °C · Min 9.1 °C
2019
Avg. max14.1°Avg. min11.4°
Rain days
25 Rain days
Precipitation
163 mm
Avg. cloud cover
78 % cloudy
Sea temperature
–
Max 16.6 °C · Min 7.3 °C
2018
Avg. max14.8°Avg. min12.0°
Rain days
10 Rain days
Precipitation
59.8 mm
Avg. cloud cover
61 % cloudy
Sea temperature
–
Max 17.4 °C · Min 7.7 °C
2017
Avg. max13.0°Avg. min10.2°
Rain days
19 Rain days
Precipitation
99.0 mm
Avg. cloud cover
75 % cloudy
Sea temperature
–
Max 16.6 °C · Min 5.7 °C

Frequently asked questions

How warm is it in Heraklion in January?: Daytime highs averaged 14.9 °C, night-time lows 12.2 °C. The highest value of the past 10 years was 21.4 °C (10 Jan 2021), the lowest 5.4 °C (24 Jan 2022).
How often does it rain in Heraklion in January?: On average there were 15.2 rain days (at least 1 mm) with 90.9 mm of precipitation in total.

Check your exact travel dates

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Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)