Rethymno weather in August
In August, Rethymno sees average daytime highs of 28°C and overnight lows near 22°C, with 3 mm of rain across 0.7 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 97% of the time in August, and the air most often feels humid.
Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Rethymno's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Rethymno's year-round climate.
- Daytime high
- 28°
- 1st warmest
- Overnight low
- 22°
- 12th coldest
- Rainfall
- 3 mm
- 0.7 wet days
- Daylight
- 13 h 18 min
- 5:46 AM – 7:07 PM
- Cloud cover
- 5%
- 2nd clearest
- Wind
- 9 km/h
- 2nd windiest
- Solar energy
- 7.05 kWh/m²
- Travel score
- 8.9
- out of 10
Rethymno is city in Crete, Greece.
- Density
- 82/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 28°C through the month.
A typical August day in Rethymno reaches about 28°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, August runs on par with July and about 2°C warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 22 |
| 2 | 28 | 22 |
| 3 | 28 | 22 |
| 4 | 28 | 22 |
| 5 | 28 | 22 |
| 6 | 28 | 22 |
| 7 | 28 | 22 |
| 8 | 28 | 22 |
| 9 | 28 | 22 |
| 10 | 28 | 22 |
| 11 | 28 | 22 |
| 12 | 28 | 22 |
| 13 | 28 | 22 |
| 14 | 28 | 22 |
| 15 | 28 | 22 |
| 16 | 28 | 22 |
| 17 | 28 | 22 |
| 18 | 28 | 22 |
| 19 | 28 | 22 |
| 20 | 28 | 22 |
| 21 | 28 | 22 |
| 22 | 28 | 22 |
| 23 | 27 | 22 |
| 24 | 27 | 22 |
| 25 | 27 | 22 |
| 26 | 27 | 22 |
| 27 | 27 | 22 |
| 28 | 27 | 22 |
| 29 | 27 | 22 |
| 30 | 27 | 21 |
| 31 | 27 | 21 |
Rethymno weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 13° / 8° | 97 | 14.1 | 0.5 | 9.9 | 3.2 |
| Feb | 13° / 8° | 87 | 12.3 | 0.6 | 10.7 | 3.3 |
| Mar | 14° / 9° | 62 | 9.5 | 0.2 | 11.7 | 4.4 |
| Apr | 17° / 12° | 34 | 6 | 0 | 12.9 | 6.5 |
| May | 22° / 15° | 23 | 3.7 | 0 | 13.8 | 8.2 |
| Jun | 26° / 19° | 6 | 1.3 | 0 | 14.3 | 9.1 |
| Jul | 27° / 22° | 3 | 0.6 | 0 | 14.1 | 9.0 |
| Aug | 28° / 22° | 3 | 0.7 | 0 | 13.3 | 8.9 |
| Sep | 26° / 20° | 17 | 2.8 | 0 | 12.2 | 8.7 |
| Oct | 22° / 16° | 48 | 6.4 | 0 | 11.1 | 7.6 |
| Nov | 18° / 13° | 69 | 9.6 | 0 | 10.1 | 5.8 |
| Dec | 14° / 10° | 101 | 13.7 | 0.1 | 9.7 | 3.8 |
Cloud cover in August
The sky is clear or mostly clear about 97% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 2% of August, with mostly cloudy or overcast conditions the remaining 0%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Cloudier (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 99 | 1 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
| 31 | 99 | 1 |
Chance of precipitation in August
Rethymno gets around 3 mm of rain over 0.7 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 2% and peaks near 3% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 |
| Rain chance (%) | |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 3 |
| 17 | 2 |
| 18 | 2 |
| 19 | 2 |
| 20 | 2 |
| 21 | 2 |
| 22 | 2 |
| 23 | 2 |
| 24 | 2 |
| 25 | 2 |
| 26 | 2 |
| 27 | 2 |
| 28 | 3 |
| 29 | 3 |
| 30 | 3 |
| 31 | 3 |
Humidity in August
Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the humid band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 6 |
| Comfortable (%) | 33 | 32 | 31 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 38 | 39 | 39 | 39 |
| Humid (%) | 51 | 51 | 52 | 52 | 52 | 51 | 52 | 52 | 51 | 52 | 51 | 52 | 51 | 52 | 51 | 52 | 51 | 52 | 52 | 51 | 51 | 52 | 52 | 52 | 51 | 50 | 50 | 49 | 48 | 48 | 47 |
| Muggy (%) | 13 | 14 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 3 | 33 | 51 | 13 |
| 2 | 3 | 32 | 51 | 14 |
| 3 | 3 | 31 | 52 | 14 |
| 4 | 3 | 30 | 52 | 15 |
| 5 | 3 | 30 | 52 | 15 |
| 6 | 3 | 30 | 51 | 16 |
| 7 | 3 | 30 | 52 | 15 |
| 8 | 3 | 30 | 52 | 15 |
| 9 | 3 | 31 | 51 | 15 |
| 10 | 3 | 31 | 52 | 14 |
| 11 | 3 | 32 | 51 | 14 |
| 12 | 3 | 32 | 52 | 13 |
| 13 | 3 | 33 | 51 | 13 |
| 14 | 3 | 33 | 52 | 12 |
| 15 | 3 | 34 | 51 | 12 |
| 16 | 3 | 34 | 52 | 11 |
| 17 | 3 | 35 | 51 | 11 |
| 18 | 3 | 35 | 52 | 10 |
| 19 | 3 | 35 | 52 | 10 |
| 20 | 3 | 36 | 51 | 10 |
| 21 | 3 | 36 | 51 | 10 |
| 22 | 3 | 36 | 52 | 9 |
| 23 | 3 | 36 | 52 | 9 |
| 24 | 3 | 36 | 52 | 9 |
| 25 | 3 | 37 | 51 | 9 |
| 26 | 4 | 37 | 50 | 9 |
| 27 | 4 | 38 | 50 | 9 |
| 28 | 4 | 38 | 49 | 9 |
| 29 | 5 | 39 | 48 | 8 |
| 30 | 5 | 39 | 48 | 8 |
| 31 | 6 | 39 | 47 | 8 |
Wind in August
Winds average 9 km/h in August.
Across August, 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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in August
Daylight runs from about 13 h 48 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 60 minutes over August. Sunrise moves from 5:34 AM to 5:58 AM, and sunset from 7:22 PM to 6:47 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 12.9 | 12.9 | 12.9 | 12.8 |
| Sunrise (AM) | 5:34 | 5:35 | 5:36 | 5:36 | 5:37 | 5:38 | 5:39 | 5:40 | 5:40 | 5:41 | 5:42 | 5:43 | 5:43 | 5:44 | 5:45 | 5:46 | 5:47 | 5:47 | 5:48 | 5:49 | 5:50 | 5:51 | 5:51 | 5:52 | 5:53 | 5:54 | 5:54 | 5:55 | 5:56 | 5:57 | 5:58 |
| Sunset (PM) | 7:22 | 7:21 | 7:20 | 7:19 | 7:19 | 7:18 | 7:17 | 7:15 | 7:14 | 7:13 | 7:12 | 7:11 | 7:10 | 7:09 | 7:08 | 7:07 | 7:05 | 7:04 | 7:03 | 7:02 | 7:00 | 6:59 | 6:58 | 6:56 | 6:55 | 6:54 | 6:52 | 6:51 | 6:49 | 6:48 | 6:47 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.8 | 5:34 | 7:22 |
| 2 | 13.8 | 5:35 | 7:21 |
| 3 | 13.7 | 5:36 | 7:20 |
| 4 | 13.7 | 5:36 | 7:19 |
| 5 | 13.7 | 5:37 | 7:19 |
| 6 | 13.7 | 5:38 | 7:18 |
| 7 | 13.6 | 5:39 | 7:17 |
| 8 | 13.6 | 5:40 | 7:15 |
| 9 | 13.6 | 5:40 | 7:14 |
| 10 | 13.5 | 5:41 | 7:13 |
| 11 | 13.5 | 5:42 | 7:12 |
| 12 | 13.5 | 5:43 | 7:11 |
| 13 | 13.4 | 5:43 | 7:10 |
| 14 | 13.4 | 5:44 | 7:09 |
| 15 | 13.4 | 5:45 | 7:08 |
| 16 | 13.3 | 5:46 | 7:07 |
| 17 | 13.3 | 5:47 | 7:05 |
| 18 | 13.3 | 5:47 | 7:04 |
| 19 | 13.2 | 5:48 | 7:03 |
| 20 | 13.2 | 5:49 | 7:02 |
| 21 | 13.2 | 5:50 | 7:00 |
| 22 | 13.1 | 5:51 | 6:59 |
| 23 | 13.1 | 5:51 | 6:58 |
| 24 | 13.1 | 5:52 | 6:56 |
| 25 | 13.0 | 5:53 | 6:55 |
| 26 | 13.0 | 5:54 | 6:54 |
| 27 | 13.0 | 5:54 | 6:52 |
| 28 | 12.9 | 5:55 | 6:51 |
| 29 | 12.9 | 5:56 | 6:49 |
| 30 | 12.9 | 5:57 | 6:48 |
| 31 | 12.8 | 5:58 | 6:47 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 7.05 kWh/m².
For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 7.92 kWh/m² in June across the year — August's 7.05 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.5 | Intense |
| 2 | 7.5 | Intense |
| 3 | 7.5 | Intense |
| 4 | 7.4 | Intense |
| 5 | 7.4 | Intense |
| 6 | 7.4 | Intense |
| 7 | 7.3 | Intense |
| 8 | 7.3 | Intense |
| 9 | 7.3 | Intense |
| 10 | 7.3 | Intense |
| 11 | 7.2 | Intense |
| 12 | 7.2 | Intense |
| 13 | 7.2 | Intense |
| 14 | 7.1 | Intense |
| 15 | 7.1 | Intense |
| 16 | 7.1 | Intense |
| 17 | 7.0 | Intense |
| 18 | 7.0 | Intense |
| 19 | 7.0 | Intense |
| 20 | 6.9 | Intense |
| 21 | 6.9 | Intense |
| 22 | 6.9 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.7 | Intense |
| 26 | 6.7 | Intense |
| 27 | 6.7 | Intense |
| 28 | 6.6 | Intense |
| 29 | 6.6 | Intense |
| 30 | 6.5 | Intense |
| 31 | 6.5 | Intense |
Hazard calendar for Rethymno
None of Rethymno's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Rethymno's rainy season runs October–March, when most of the year's rain falls.
Rethymno sees seasonal dust haze (May), heaviest in May.
Is August a good time to visit Rethymno?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Rethymno for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rethymno in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Rethymno sees daytime highs around 28°C and nights near 22°C. Pack light clothes and sun protection.
Sea temperature near Rethymno in August
The nearest coast averages about 26°C in August — 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 26°C and coldest in February near 16°C.
It's comfortable for a long swim from May 25 to Nov 24 — about 6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 16 | 16 | 17 | 19 | 22 | 25 | 26 | 25 | 23 | 21 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 16 | Cool |
| Mar | 16 | Cool |
| Apr | 17 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 21 | Refreshing |
| Dec | 18 | Cool |
UV index in Rethymno in August
Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rethymno peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 3 | 6 | 8 | 8 | 10 | 10 | 10 | 8 | 6 | 3 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Rethymno in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Rethymno is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (September, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 14 | 14 | 15 | 12 | 9 | 9 | 10 | 8 | 8 | 11 | 8 |
| Level | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 12 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 10 | Good |
| Sep | 8 | Good |
| Oct | 8 | Good |
| Nov | 11 | Good |
| Dec | 8 | Good |
Where is Rethymno?
Rethymno sits at 35.4°N, 24.5°E, 14 m above sea level, in Greece. The nearest listed city is Chania, 44 km away.
Topography around Rethymno
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rethymno.
Within 3 km, the terrain around Rethymno has significant variations in elevation — a maximum elevation change of 329 m around an average of 64 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 842 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,432 m.
The land around Rethymno is covered by water (44%) and trees (29%) within 3 km, water (47%), trees (25%) and grassland (21%) within 16 km, and water (66%) within 80 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
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 Rethymno (35.3655°, 24.4823°, elevation 14 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).