How warm is it in Fira in August?

Daytime highs averaged 27.4 °C, night-time lows 24.7 °C. The highest value of the past 10 years was 31.1 °C (26 Aug 2026), the lowest 22.5 °C (31 Aug 2017).

How often does it rain in Fira in August?

On average there were 1.2 rain days (at least 1 mm) with 4.3 mm of precipitation in total. In 4 of 10 years there was no rain day at all.

🇬🇷 Weather in Fira in August

This is what the weather in Fira (Santorini, Greece) was like in August in 2017–2026.

Key facts at a glance

Prevailing weather: Sunny

Avg. daytime high

27.4 °C

26.4 °C – 28.2 °C

Avg. night-time low

24.7 °C

24.1 °C – 25.5 °C

Avg. rain days in period

1.2

4 % of days · ≥ 1.0 mm

Avg. precipitation in period

4.3 mm

0.7 mm – 11.5 mm

Avg. sunshine per day

n/a

Sunshine duration is not available from this data source.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 31.1 °C (26 Aug 2026) · Lowest temperature 22.5 °C (31 Aug 2017) · Avg. daily peak wind 27 km/h

Weather mix of all days

267Sunny
12Light rain

Summary

On average 27.4 °C during the day and 24.7 °C at night.
On average 1.2 rain days (Rain day = at least 1.0 mm of precipitation) with 4.3 mm of precipitation in total.
In 4 of 10 years there was not a single rain day.
Prevailing: Sunny.
Warmest year: 2024 (avg. 28.2 °C), coolest: 2017 (avg. 26.4 °C).
Wettest year: 2022 (11.5 mm), driest: 2026 (0.7 mm).
Extremes: 31.1 °C on 26 Aug 2026 and 22.5 °C on 31 Aug 2017.

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. max27.2°Avg. min24.2°
Rain days
0 Rain days
Precipitation
0.7 mm
Avg. sunshine per day
n/a
Sea temperature
–
Max 31.1 °C · Min 23.1 °C
2025
Avg. max27.5°Avg. min25.0°
Rain days
0 Rain days
Precipitation
4.0 mm
Avg. cloud cover
8 % cloudy
Sea temperature
–
Max 29.0 °C · Min 23.2 °C
2024
Avg. max28.2°Avg. min25.4°
Rain days
1 Rain days
Precipitation
3.7 mm
Avg. cloud cover
8 % cloudy
Sea temperature
–
Max 30.7 °C · Min 24.2 °C
2023
Avg. max27.9°Avg. min25.5°
Rain days
1 Rain days
Precipitation
3.4 mm
Avg. cloud cover
10 % cloudy
Sea temperature
–
Max 30.0 °C · Min 24.6 °C
2022
Avg. max27.1°Avg. min24.4°
Rain days
5 Rain days
Precipitation
11.5 mm
Avg. cloud cover
7 % cloudy
Sea temperature
–
Max 29.0 °C · Min 23.3 °C
2021
Avg. max28.0°Avg. min25.2°
Rain days
0 Rain days
Precipitation
2.3 mm
Avg. cloud cover
8 % cloudy
Sea temperature
–
Max 30.2 °C · Min 24.1 °C
2020
Avg. max26.9°Avg. min24.3°
Rain days
2 Rain days
Precipitation
5.8 mm
Avg. cloud cover
5 % cloudy
Sea temperature
–
Max 28.4 °C · Min 23.8 °C
2019
Avg. max26.9°Avg. min24.1°
Rain days
0 Rain days
Precipitation
0.9 mm
Avg. cloud cover
8 % cloudy
Sea temperature
–
Max 30.5 °C · Min 23.3 °C
2018
Avg. max27.5°Avg. min25.4°
Rain days
2 Rain days
Precipitation
7.6 mm
Avg. cloud cover
7 % cloudy
Sea temperature
–
Max 29.0 °C · Min 24.2 °C
2017
Avg. max26.4°Avg. min24.1°
Rain days
1 Rain days
Precipitation
3.0 mm
Avg. cloud cover
6 % cloudy
Sea temperature
–
Max 28.7 °C · Min 22.5 °C

Frequently asked questions

How warm is it in Fira in August?: Daytime highs averaged 27.4 °C, night-time lows 24.7 °C. The highest value of the past 10 years was 31.1 °C (26 Aug 2026), the lowest 22.5 °C (31 Aug 2017).
How often does it rain in Fira in August?: On average there were 1.2 rain days (at least 1 mm) with 4.3 mm of precipitation in total. In 4 of 10 years there was no rain day at all.

Check your exact travel dates

Choose your travel period – we show the weather for exactly those days.

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)