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Holiday Weather Rewind
Photo of Monemvasia
Photo: Katsikas pantelis · CC BY-SA 4.0

🇬🇷 Weather in Monemvasia in May

This is what the weather in Monemvasia (Peloponnese, Greece) was like in May in 2017–2026.

Key facts at a glance

Prevailing weather: Sunny

Avg. daytime high

21.5 °C

19.7 °C – 22.8 °C

Avg. night-time low

18.2 °C

16.8 °C – 19.9 °C

Avg. rain days in period

4.5

15 % of days · ≥ 1.0 mm

Avg. precipitation in period

15.7 mm

1.7 mm – 41.0 mm

Avg. cloud cover

39 %

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 28.8 °C (15 May 2020) · Lowest temperature 13.3 °C (3 May 2026) · Avg. daily peak wind 25 km/h

Weather mix of all days

  • 138Sunny
  • 94Partly cloudy
  • 33Cloudy
  • 41Light rain
  • 4Rain

Summary

  • On average 21.5 °C during the day and 18.2 °C at night.
  • On average 4.5 rain days (Rain day = at least 1.0 mm of precipitation) with 15.7 mm of precipitation in total.
  • In 1 of 10 years there was not a single rain day.
  • Prevailing: Sunny.
  • Warmest year: 2018 (avg. 22.8 °C), coolest: 2023 (avg. 19.7 °C).
  • Wettest year: 2025 (41.0 mm), driest: 2021 (1.7 mm).
  • Extremes: 28.8 °C on 15 May 2020 and 13.3 °C on 3 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

    Sunny
    Avg. max21.0°Avg. min17.8°
    Rain days
    6 Rain days
    Precipitation
    14.3 mm
    Avg. cloud cover
    39 % cloudy
    Sea temperature
    –

    Max 25.4 °C · Min 13.3 °C

  • 2025

    Partly cloudy
    Avg. max21.6°Avg. min18.3°
    Rain days
    8 Rain days
    Precipitation
    41.0 mm
    Avg. cloud cover
    42 % cloudy
    Sea temperature
    –

    Max 26.1 °C · Min 16.2 °C

  • 2024

    Partly cloudy
    Avg. max21.5°Avg. min18.6°
    Rain days
    2 Rain days
    Precipitation
    7.5 mm
    Avg. cloud cover
    42 % cloudy
    Sea temperature
    –

    Max 25.3 °C · Min 17.0 °C

  • 2023

    Sunny
    Avg. max19.7°Avg. min17.5°
    Rain days
    10 Rain days
    Precipitation
    31.0 mm
    Avg. cloud cover
    53 % cloudy
    Sea temperature
    –

    Max 22.3 °C · Min 15.4 °C

  • 2022

    Sunny
    Avg. max22.0°Avg. min18.3°
    Rain days
    2 Rain days
    Precipitation
    6.9 mm
    Avg. cloud cover
    29 % cloudy
    Sea temperature
    –

    Max 28.2 °C · Min 15.5 °C

  • 2021

    Sunny
    Avg. max22.6°Avg. min18.8°
    Rain days
    0 Rain days
    Precipitation
    1.7 mm
    Avg. cloud cover
    29 % cloudy
    Sea temperature
    –

    Max 27.2 °C · Min 16.4 °C

  • 2020

    Partly cloudy
    Avg. max21.4°Avg. min18.1°
    Rain days
    2 Rain days
    Precipitation
    8.7 mm
    Avg. cloud cover
    37 % cloudy
    Sea temperature
    –

    Max 28.8 °C · Min 15.5 °C

  • 2019

    Sunny
    Avg. max20.3°Avg. min16.8°
    Rain days
    4 Rain days
    Precipitation
    15.0 mm
    Avg. cloud cover
    43 % cloudy
    Sea temperature
    –

    Max 25.5 °C · Min 14.5 °C

  • 2018

    Sunny
    Avg. max22.8°Avg. min19.9°
    Rain days
    4 Rain days
    Precipitation
    15.6 mm
    Avg. cloud cover
    38 % cloudy
    Sea temperature
    –

    Max 26.3 °C · Min 17.7 °C

  • 2017

    Sunny
    Avg. max21.7°Avg. min18.2°
    Rain days
    7 Rain days
    Precipitation
    15.1 mm
    Avg. cloud cover
    39 % cloudy
    Sea temperature
    –

    Max 27.8 °C · Min 16.3 °C

Frequently asked questions

How warm is it in Monemvasia in May?
Daytime highs averaged 21.5 °C, night-time lows 18.2 °C. The highest value of the past 10 years was 28.8 °C (15 May 2020), the lowest 13.3 °C (3 May 2026).
How often does it rain in Monemvasia in May?
On average there were 4.5 rain days (at least 1 mm) with 15.7 mm of precipitation in total. In 1 of 10 years there was no rain day at all.

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Destination
🇬🇷 Monemvasia
Peloponnese, Greece
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)