🇬🇷 Weather in Zakynthos Town in May
This is what the weather in Zakynthos Town (Zakynthos, Greece) was like in May in 2017–2026.
Key facts at a glance
Avg. daytime high
21.1 °C
18.9 °C – 22.6 °C
Avg. night-time low
17.9 °C
16.2 °C – 19.4 °C
Avg. rain days in period
5.6
18 % of days · ≥ 1.0 mm
Avg. precipitation in period
31.8 mm
7.1 mm – 93.9 mm
Avg. cloud cover
43 %
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 27.9 °C (29 May 2026) · Lowest temperature 12.5 °C (2 May 2026) · Avg. daily peak wind 21 km/h
Weather mix of all days
- 114Sunny
- 88Partly cloudy
- 52Cloudy
- 40Light rain
- 16Rain
Summary
- On average 21.1 °C during the day and 17.9 °C at night.
- On average 5.6 rain days (Rain day = at least 1.0 mm of precipitation) with 31.8 mm of precipitation in total.
- Prevailing: Sunny.
- Warmest year: 2018 (avg. 22.6 °C), coolest: 2019 (avg. 18.9 °C).
- Wettest year: 2025 (93.9 mm), driest: 2021 (7.1 mm).
- Extremes: 27.9 °C on 29 May 2026 and 12.5 °C on 2 May 2026.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2026
Avg. max21.1°Avg. min17.7°- Rain days
- 5 Rain days
- Precipitation
- 24.2 mm
- Avg. cloud cover
- 42 % cloudy
- Sea temperature
- –
Max 27.9 °C · Min 12.5 °C
2025
Avg. max21.3°Avg. min18.2°- Rain days
- 7 Rain days
- Precipitation
- 93.9 mm
- Avg. cloud cover
- 43 % cloudy
- Sea temperature
- –
Max 24.1 °C · Min 16.7 °C
2024
Avg. max21.6°Avg. min18.5°- Rain days
- 4 Rain days
- Precipitation
- 15.4 mm
- Avg. cloud cover
- 47 % cloudy
- Sea temperature
- –
Max 25.2 °C · Min 16.0 °C
2023
Avg. max21.0°Avg. min17.5°- Rain days
- 11 Rain days
- Precipitation
- 68.6 mm
- Avg. cloud cover
- 54 % cloudy
- Sea temperature
- –
Max 24.2 °C · Min 14.7 °C
2022
Avg. max22.0°Avg. min18.1°- Rain days
- 3 Rain days
- Precipitation
- 12.3 mm
- Avg. cloud cover
- 34 % cloudy
- Sea temperature
- –
Max 26.6 °C · Min 14.9 °C
2021
Avg. max21.2°Avg. min17.9°- Rain days
- 1 Rain days
- Precipitation
- 7.1 mm
- Avg. cloud cover
- 38 % cloudy
- Sea temperature
- –
Max 26.9 °C · Min 16.4 °C
2020
Avg. max21.1°Avg. min18.0°- Rain days
- 2 Rain days
- Precipitation
- 9.9 mm
- Avg. cloud cover
- 42 % cloudy
- Sea temperature
- –
Max 27.0 °C · Min 15.7 °C
2019
Avg. max18.9°Avg. min16.2°- Rain days
- 6 Rain days
- Precipitation
- 37.9 mm
- Avg. cloud cover
- 54 % cloudy
- Sea temperature
- –
Max 22.5 °C · Min 13.7 °C
2018
Avg. max22.6°Avg. min19.4°- Rain days
- 11 Rain days
- Precipitation
- 33.8 mm
- Avg. cloud cover
- 42 % cloudy
- Sea temperature
- –
Max 26.6 °C · Min 17.2 °C
2017
Avg. max20.6°Avg. min17.6°- Rain days
- 6 Rain days
- Precipitation
- 14.8 mm
- Avg. cloud cover
- 39 % cloudy
- Sea temperature
- –
Max 22.6 °C · Min 15.8 °C
Frequently asked questions
- How warm is it in Zakynthos Town in May?
- Daytime highs averaged 21.1 °C, night-time lows 17.9 °C. The highest value of the past 10 years was 27.9 °C (29 May 2026), the lowest 12.5 °C (2 May 2026).
- How often does it rain in Zakynthos Town in May?
- On average there were 5.6 rain days (at least 1 mm) with 31.8 mm of precipitation in total.
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in May
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)