Zakynthos weather in August
In August, Zakynthos sees average daytime highs of 26°C and overnight lows near 25°C, with 6 mm of rain across 1 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 96% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Zakynthos's 2nd-clearest and 8th-windiest month. For the whole year in context, see Zakynthos's year-round climate.
- Daytime high
- 26°
- 1st warmest
- Overnight low
- 25°
- 12th coldest
- Rainfall
- 6 mm
- 1 wet days
- Daylight
- 13 h 30 min
- 5:56 AM – 7:25 PM
- Cloud cover
- 7%
- 2nd clearest
- Wind
- 17 km/h
- 8th windiest
- Solar energy
- 6.78 kWh/m²
- Travel score
- 9.1
- out of 10
Zakynthos is city on the island of Zakynthos, Ionian Islands, Greece.
- Density
- 251/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 26°C through the month.
A typical August day in Zakynthos reaches about 26°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, August runs about 1°C warmer than 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) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 25 |
| 2 | 26 | 25 |
| 3 | 26 | 25 |
| 4 | 26 | 25 |
| 5 | 26 | 25 |
| 6 | 26 | 25 |
| 7 | 26 | 25 |
| 8 | 26 | 25 |
| 9 | 27 | 25 |
| 10 | 27 | 25 |
| 11 | 27 | 25 |
| 12 | 27 | 25 |
| 13 | 27 | 25 |
| 14 | 27 | 25 |
| 15 | 27 | 25 |
| 16 | 27 | 25 |
| 17 | 27 | 25 |
| 18 | 27 | 25 |
| 19 | 27 | 25 |
| 20 | 27 | 25 |
| 21 | 27 | 25 |
| 22 | 27 | 25 |
| 23 | 26 | 25 |
| 24 | 26 | 25 |
| 25 | 26 | 25 |
| 26 | 26 | 25 |
| 27 | 26 | 25 |
| 28 | 26 | 25 |
| 29 | 26 | 25 |
| 30 | 26 | 25 |
| 31 | 26 | 24 |
Zakynthos 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 12° | 162 | 13.9 | 9.7 | 3.7 |
| Feb | 14° / 12° | 116 | 12.1 | 10.5 | 3.8 |
| Mar | 15° / 12° | 82 | 9.9 | 11.7 | 4.6 |
| Apr | 17° / 15° | 41 | 6.2 | 12.9 | 6.0 |
| May | 20° / 18° | 18 | 3.7 | 14 | 7.7 |
| Jun | 23° / 22° | 11 | 1.4 | 14.6 | 9.1 |
| Jul | 25° / 24° | 6 | 0.5 | 14.3 | 9.5 |
| Aug | 26° / 25° | 6 | 1 | 13.5 | 9.1 |
| Sep | 25° / 23° | 66 | 6.6 | 12.3 | 8.1 |
| Oct | 22° / 20° | 114 | 8.9 | 11 | 7.2 |
| Nov | 19° / 16° | 181 | 12.6 | 10 | 5.7 |
| Dec | 15° / 13° | 181 | 14.8 | 9.4 | 4.3 |
Cloud cover in August
The sky is clear or mostly clear about 96% 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 2%.
| 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 (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 |
| Cloudier (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 99 | 1 |
| 4 | 99 | 1 |
| 5 | 99 | 1 |
| 6 | 99 | 1 |
| 7 | 99 | 1 |
| 8 | 99 | 1 |
| 9 | 99 | 1 |
| 10 | 99 | 1 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 98 | 2 |
| 18 | 98 | 2 |
| 19 | 97 | 3 |
| 20 | 97 | 3 |
| 21 | 97 | 3 |
| 22 | 97 | 3 |
| 23 | 97 | 3 |
| 24 | 97 | 3 |
| 25 | 97 | 3 |
| 26 | 97 | 3 |
| 27 | 97 | 3 |
| 28 | 96 | 4 |
| 29 | 96 | 4 |
| 30 | 96 | 4 |
| 31 | 96 | 4 |
Chance of precipitation in August
Zakynthos gets around 6 mm of rain over 1 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 4% and peaks near 11% on the wettest days. The odds climb toward the end of the month.
| 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 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 10 | 11 |
| Rain chance (%) | |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 2 |
| 14 | 2 |
| 15 | 2 |
| 16 | 2 |
| 17 | 2 |
| 18 | 3 |
| 19 | 3 |
| 20 | 3 |
| 21 | 4 |
| 22 | 4 |
| 23 | 5 |
| 24 | 5 |
| 25 | 6 |
| 26 | 7 |
| 27 | 7 |
| 28 | 8 |
| 29 | 9 |
| 30 | 10 |
| 31 | 11 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 96% 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 (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 |
| Humid (%) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 |
| Muggy (%) | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 24 | 25 | 25 | 26 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 32 | 33 | 34 | 35 | 36 |
| Oppressive (%) | 66 | 68 | 68 | 69 | 69 | 69 | 70 | 69 | 69 | 69 | 68 | 67 | 67 | 67 | 65 | 65 | 64 | 64 | 63 | 62 | 63 | 60 | 60 | 61 | 59 | 59 | 57 | 55 | 54 | 51 | 49 |
| Miserable (%) | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 2 | 22 | 66 | 10 |
| 2 | 0 | 0 | 1 | 21 | 68 | 10 |
| 3 | 0 | 0 | 1 | 21 | 68 | 10 |
| 4 | 0 | 0 | 1 | 21 | 69 | 9 |
| 5 | 0 | 0 | 1 | 21 | 69 | 9 |
| 6 | 0 | 0 | 1 | 21 | 69 | 9 |
| 7 | 0 | 0 | 1 | 21 | 70 | 8 |
| 8 | 0 | 0 | 1 | 22 | 69 | 8 |
| 9 | 0 | 0 | 1 | 22 | 69 | 8 |
| 10 | 0 | 0 | 1 | 23 | 69 | 7 |
| 11 | 0 | 0 | 1 | 24 | 68 | 7 |
| 12 | 0 | 0 | 1 | 25 | 67 | 7 |
| 13 | 0 | 0 | 1 | 25 | 67 | 7 |
| 14 | 0 | 0 | 1 | 26 | 67 | 6 |
| 15 | 0 | 0 | 2 | 27 | 65 | 6 |
| 16 | 0 | 0 | 2 | 27 | 65 | 6 |
| 17 | 0 | 0 | 2 | 28 | 64 | 6 |
| 18 | 0 | 0 | 2 | 28 | 64 | 6 |
| 19 | 0 | 0 | 3 | 28 | 63 | 6 |
| 20 | 0 | 0 | 3 | 29 | 62 | 6 |
| 21 | 0 | 0 | 3 | 29 | 63 | 5 |
| 22 | 0 | 1 | 4 | 30 | 60 | 5 |
| 23 | 0 | 1 | 4 | 30 | 60 | 5 |
| 24 | 0 | 1 | 4 | 30 | 61 | 4 |
| 25 | 0 | 1 | 5 | 31 | 59 | 4 |
| 26 | 0 | 2 | 5 | 31 | 59 | 3 |
| 27 | 0 | 2 | 6 | 32 | 57 | 3 |
| 28 | 0 | 2 | 7 | 33 | 55 | 3 |
| 29 | 0 | 3 | 7 | 34 | 54 | 2 |
| 30 | 1 | 3 | 8 | 35 | 51 | 2 |
| 31 | 1 | 4 | 9 | 36 | 49 | 2 |
Wind in August
Winds average 17 km/h in August.
Across August, daily wind ranges from about 16 km/h on the calmest days to 17 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) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 17 | light breeze |
| 2 | 17 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 17 | light breeze |
| 13 | 17 | light breeze |
| 14 | 17 | light breeze |
| 15 | 17 | light breeze |
| 16 | 17 | light breeze |
| 17 | 17 | light breeze |
| 18 | 17 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in August
Daylight runs from about 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over August. Sunrise moves from 5:43 AM to 6:10 AM, and sunset from 7:42 PM to 7:03 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) | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 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 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 | 13.0 | 12.9 | 12.9 |
| Sunrise (AM) | 5:43 | 5:44 | 5:45 | 5:46 | 5:47 | 5:48 | 5:48 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:54 | 5:55 | 5:56 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:03 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 | 6:10 |
| Sunset (PM) | 7:42 | 7:41 | 7:40 | 7:39 | 7:38 | 7:37 | 7:35 | 7:34 | 7:33 | 7:32 | 7:31 | 7:30 | 7:28 | 7:27 | 7:26 | 7:25 | 7:23 | 7:22 | 7:21 | 7:19 | 7:18 | 7:17 | 7:15 | 7:14 | 7:12 | 7:11 | 7:09 | 7:08 | 7:06 | 7:05 | 7:03 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.0 | 5:43 | 7:42 |
| 2 | 13.9 | 5:44 | 7:41 |
| 3 | 13.9 | 5:45 | 7:40 |
| 4 | 13.9 | 5:46 | 7:39 |
| 5 | 13.8 | 5:47 | 7:38 |
| 6 | 13.8 | 5:48 | 7:37 |
| 7 | 13.8 | 5:48 | 7:35 |
| 8 | 13.7 | 5:49 | 7:34 |
| 9 | 13.7 | 5:50 | 7:33 |
| 10 | 13.7 | 5:51 | 7:32 |
| 11 | 13.6 | 5:52 | 7:31 |
| 12 | 13.6 | 5:53 | 7:30 |
| 13 | 13.6 | 5:54 | 7:28 |
| 14 | 13.5 | 5:55 | 7:27 |
| 15 | 13.5 | 5:56 | 7:26 |
| 16 | 13.5 | 5:56 | 7:25 |
| 17 | 13.4 | 5:57 | 7:23 |
| 18 | 13.4 | 5:58 | 7:22 |
| 19 | 13.4 | 5:59 | 7:21 |
| 20 | 13.3 | 6:00 | 7:19 |
| 21 | 13.3 | 6:01 | 7:18 |
| 22 | 13.2 | 6:02 | 7:17 |
| 23 | 13.2 | 6:03 | 7:15 |
| 24 | 13.2 | 6:03 | 7:14 |
| 25 | 13.1 | 6:04 | 7:12 |
| 26 | 13.1 | 6:05 | 7:11 |
| 27 | 13.1 | 6:06 | 7:09 |
| 28 | 13.0 | 6:07 | 7:08 |
| 29 | 13.0 | 6:08 | 7:06 |
| 30 | 12.9 | 6:09 | 7:05 |
| 31 | 12.9 | 6:10 | 7:03 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.78 kWh/m².
For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 7.61 kWh/m² in June across the year — August's 6.78 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) | 7.2 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 |
| 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 | 7.2 | Intense |
| 2 | 7.2 | Intense |
| 3 | 7.2 | Intense |
| 4 | 7.2 | Intense |
| 5 | 7.1 | Intense |
| 6 | 7.1 | Intense |
| 7 | 7.1 | Intense |
| 8 | 7.0 | Intense |
| 9 | 7.0 | Intense |
| 10 | 7.0 | Intense |
| 11 | 7.0 | Intense |
| 12 | 6.9 | Intense |
| 13 | 6.9 | Intense |
| 14 | 6.9 | Intense |
| 15 | 6.8 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.7 | Intense |
| 19 | 6.7 | Intense |
| 20 | 6.7 | Intense |
| 21 | 6.6 | Intense |
| 22 | 6.6 | Intense |
| 23 | 6.5 | Intense |
| 24 | 6.5 | Intense |
| 25 | 6.4 | Intense |
| 26 | 6.4 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.2 | Intense |
| 30 | 6.2 | Intense |
| 31 | 6.1 | Intense |
Hazard calendar for Zakynthos
None of Zakynthos's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Zakynthos's rainy season runs October–March, when most of the year's rain falls.
Is August a good time to visit Zakynthos?
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 Zakynthos for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Zakynthos in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Zakynthos sees daytime highs around 26°C and nights near 25°C. Pack sun protection. Worth having: light clothes.
Sea temperature near Zakynthos 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 March near 15°C.
It's comfortable for a long swim from May 27 to Nov 20 — about 5.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 15 | 15 | 16 | 19 | 22 | 25 | 26 | 25 | 23 | 20 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Cool |
| Mar | 15 | Cool |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Refreshing |
| Dec | 18 | Cool |
UV index in Zakynthos in August
Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Zakynthos peaks around August 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 6 | 7 | 7 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | High | Very high | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Zakynthos?
Zakynthos sits at 37.8°N, 20.9°E, 0 m above sea level, in Greece. The nearest listed city is Amaliáda, 40 km away.
Topography around Zakynthos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zakynthos.
Within 3 km, the terrain around Zakynthos has only modest variations in elevation — a maximum elevation change of 194 m around an average of 16 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 737 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,904 m.
The land around Zakynthos is covered by water (30%), trees (29%) and grassland (23%) within 3 km, water (66%) and trees (21%) within 16 km, and water (73%) 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 Zakynthos (37.7802°, 20.8956°, elevation 0 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).