Piraeus weather in July
In July, Piraeus sees average daytime highs of 33°C and overnight lows near 22°C, with 6 mm of rain across 1.3 wet days and about 14.4 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 94% of the time in July, and the air most often feels comfortable.
Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Piraeus's 2nd-clearest and 6th-windiest month. For the whole year in context, see Piraeus's year-round climate.
- Daytime high
- 33°
- 1st warmest
- Overnight low
- 22°
- 12th coldest
- Rainfall
- 6 mm
- 1.3 wet days
- Daylight
- 14 h 24 min
- 5:19 AM – 7:43 PM
- Cloud cover
- 11%
- 2nd clearest
- Wind
- 10 km/h
- 6th windiest
- Solar energy
- 7.47 kWh/m²
- Travel score
- 4.7
- out of 10
Piraeus is city and port of Attica region, Greece.
- Density
- 15,066/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 33°C through the month.
A typical July day in Piraeus reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, July runs about 2°C warmer than June and on par with August.
| 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) | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Avg low (°C) | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 33 | 21 |
| 2 | 33 | 21 |
| 3 | 33 | 22 |
| 4 | 33 | 22 |
| 5 | 33 | 22 |
| 6 | 33 | 22 |
| 7 | 33 | 22 |
| 8 | 33 | 22 |
| 9 | 33 | 22 |
| 10 | 33 | 22 |
| 11 | 33 | 22 |
| 12 | 33 | 22 |
| 13 | 33 | 22 |
| 14 | 33 | 22 |
| 15 | 33 | 22 |
| 16 | 33 | 22 |
| 17 | 33 | 22 |
| 18 | 33 | 22 |
| 19 | 33 | 22 |
| 20 | 33 | 22 |
| 21 | 33 | 22 |
| 22 | 33 | 22 |
| 23 | 33 | 22 |
| 24 | 33 | 22 |
| 25 | 33 | 22 |
| 26 | 33 | 23 |
| 27 | 33 | 23 |
| 28 | 33 | 23 |
| 29 | 33 | 23 |
| 30 | 33 | 23 |
| 31 | 33 | 23 |
How July really feels in Piraeus
Once humidity and wind are folded in, July averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Piraeus weather by month
How July compares with the rest of the year at a glance. July 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° / 6° | 52 | 7.3 | 0.6 | 9.7 | 3.7 |
| Feb | 14° / 6° | 47 | 7.2 | 0.6 | 10.5 | 4.2 |
| Mar | 16° / 8° | 49 | 6.4 | 0.2 | 11.7 | 5.8 |
| Apr | 21° / 11° | 29 | 5.4 | 0 | 13 | 7.3 |
| May | 26° / 15° | 23 | 4.9 | 0 | 14 | 7.9 |
| Jun | 31° / 20° | 11 | 2.5 | 0 | 14.6 | 5.8 |
| Jul | 33° / 22° | 6 | 1.3 | 0 | 14.4 | 4.7 |
| Aug | 33° / 22° | 4 | 1.1 | 0 | 13.5 | 4.9 |
| Sep | 29° / 19° | 15 | 2.5 | 0 | 12.3 | 7.1 |
| Oct | 24° / 15° | 27 | 3.9 | 0 | 11 | 8.1 |
| Nov | 18° / 11° | 45 | 6.6 | 0 | 9.9 | 6.4 |
| Dec | 14° / 7° | 58 | 7.8 | 0.4 | 9.4 | 4.3 |
Cloud cover in July
The sky is clear or mostly clear about 94% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 5% of July, with mostly cloudy or overcast conditions the remaining 1%.
| 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 (%) | 97 | 97 | 98 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 |
| Cloudier (%) | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 97 | 3 |
| 2 | 97 | 3 |
| 3 | 98 | 2 |
| 4 | 98 | 2 |
| 5 | 98 | 2 |
| 6 | 98 | 2 |
| 7 | 98 | 2 |
| 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 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
| 31 | 100 | 0 |
Chance of precipitation in July
Piraeus gets around 6 mm of rain over 1.3 wet days in July. 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 6% 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 (%) | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 |
| Rain chance (%) | |
|---|---|
| 1 | 6 |
| 2 | 5 |
| 3 | 5 |
| 4 | 5 |
| 5 | 5 |
| 6 | 5 |
| 7 | 5 |
| 8 | 5 |
| 9 | 4 |
| 10 | 4 |
| 11 | 4 |
| 12 | 4 |
| 13 | 4 |
| 14 | 4 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 3 |
| 21 | 3 |
| 22 | 4 |
| 23 | 4 |
| 24 | 4 |
| 25 | 4 |
| 26 | 4 |
| 27 | 4 |
| 28 | 4 |
| 29 | 4 |
| 30 | 4 |
| 31 | 5 |
Humidity in July
Most of July feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the comfortable band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 30 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 25 | 24 | 23 | 22 | 20 | 19 |
| Comfortable (%) | 43 | 44 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 44 | 43 | 43 | 42 | 41 | 41 | 40 | 40 | 40 | 39 | 39 | 39 | 39 |
| Humid (%) | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 |
| Muggy (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 7 | 7 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 30 | 43 | 24 | 3 |
| 2 | 29 | 44 | 25 | 3 |
| 3 | 28 | 44 | 25 | 3 |
| 4 | 27 | 44 | 26 | 3 |
| 5 | 27 | 44 | 26 | 3 |
| 6 | 26 | 44 | 27 | 3 |
| 7 | 26 | 44 | 27 | 3 |
| 8 | 25 | 45 | 27 | 3 |
| 9 | 25 | 45 | 27 | 3 |
| 10 | 25 | 45 | 27 | 3 |
| 11 | 25 | 46 | 27 | 3 |
| 12 | 25 | 46 | 27 | 2 |
| 13 | 25 | 46 | 27 | 2 |
| 14 | 25 | 46 | 26 | 2 |
| 15 | 26 | 46 | 26 | 2 |
| 16 | 26 | 46 | 26 | 2 |
| 17 | 27 | 45 | 26 | 2 |
| 18 | 27 | 45 | 26 | 2 |
| 19 | 28 | 44 | 26 | 2 |
| 20 | 28 | 43 | 26 | 3 |
| 21 | 28 | 43 | 27 | 3 |
| 22 | 27 | 42 | 27 | 3 |
| 23 | 27 | 41 | 28 | 4 |
| 24 | 27 | 41 | 28 | 4 |
| 25 | 26 | 40 | 29 | 5 |
| 26 | 25 | 40 | 30 | 5 |
| 27 | 24 | 40 | 31 | 6 |
| 28 | 23 | 39 | 32 | 6 |
| 29 | 22 | 39 | 33 | 6 |
| 30 | 20 | 39 | 34 | 7 |
| 31 | 19 | 39 | 35 | 7 |
Wind in July
Winds average 10 km/h in July.
Across July, daily wind ranges from about 9 km/h on the calmest days to 11 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) | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | 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 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
| 31 | 11 | calm |
Sunrise & sunset in July
Daylight runs from about 14 h 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over July. Sunrise moves from 5:11 AM to 5:31 AM, and sunset from 7:47 PM to 7:32 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) | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.3 | 14.3 | 14.3 | 14.3 | 14.3 | 14.2 | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 |
| Sunrise (AM) | 5:11 | 5:11 | 5:12 | 5:12 | 5:13 | 5:13 | 5:14 | 5:14 | 5:15 | 5:15 | 5:16 | 5:17 | 5:17 | 5:18 | 5:19 | 5:19 | 5:20 | 5:21 | 5:21 | 5:22 | 5:23 | 5:24 | 5:25 | 5:25 | 5:26 | 5:27 | 5:28 | 5:29 | 5:29 | 5:30 | 5:31 |
| Sunset (PM) | 7:47 | 7:47 | 7:47 | 7:47 | 7:46 | 7:46 | 7:46 | 7:46 | 7:46 | 7:45 | 7:45 | 7:45 | 7:44 | 7:44 | 7:43 | 7:43 | 7:42 | 7:42 | 7:41 | 7:41 | 7:40 | 7:39 | 7:39 | 7:38 | 7:37 | 7:36 | 7:35 | 7:35 | 7:34 | 7:33 | 7:32 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.6 | 5:11 | 7:47 |
| 2 | 14.6 | 5:11 | 7:47 |
| 3 | 14.6 | 5:12 | 7:47 |
| 4 | 14.6 | 5:12 | 7:47 |
| 5 | 14.6 | 5:13 | 7:46 |
| 6 | 14.6 | 5:13 | 7:46 |
| 7 | 14.5 | 5:14 | 7:46 |
| 8 | 14.5 | 5:14 | 7:46 |
| 9 | 14.5 | 5:15 | 7:46 |
| 10 | 14.5 | 5:15 | 7:45 |
| 11 | 14.5 | 5:16 | 7:45 |
| 12 | 14.5 | 5:17 | 7:45 |
| 13 | 14.4 | 5:17 | 7:44 |
| 14 | 14.4 | 5:18 | 7:44 |
| 15 | 14.4 | 5:19 | 7:43 |
| 16 | 14.4 | 5:19 | 7:43 |
| 17 | 14.4 | 5:20 | 7:42 |
| 18 | 14.3 | 5:21 | 7:42 |
| 19 | 14.3 | 5:21 | 7:41 |
| 20 | 14.3 | 5:22 | 7:41 |
| 21 | 14.3 | 5:23 | 7:40 |
| 22 | 14.3 | 5:24 | 7:39 |
| 23 | 14.2 | 5:25 | 7:39 |
| 24 | 14.2 | 5:25 | 7:38 |
| 25 | 14.2 | 5:26 | 7:37 |
| 26 | 14.2 | 5:27 | 7:36 |
| 27 | 14.1 | 5:28 | 7:35 |
| 28 | 14.1 | 5:29 | 7:35 |
| 29 | 14.1 | 5:29 | 7:34 |
| 30 | 14.0 | 5:30 | 7:33 |
| 31 | 14.0 | 5:31 | 7:32 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 7.47 kWh/m².
For context, solar energy here swings from a low near 1.9 kWh/m² to a high of 7.5 kWh/m² in June across the year — July's 7.47 kWh/m² sits near the top of that range.
| 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) | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.3 | 7.3 | 7.3 | 7.3 | 7.2 | 7.2 | 7.2 |
| 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 | 7.6 | Intense |
| 2 | 7.6 | Intense |
| 3 | 7.6 | Intense |
| 4 | 7.6 | Intense |
| 5 | 7.6 | Intense |
| 6 | 7.6 | Intense |
| 7 | 7.6 | Intense |
| 8 | 7.5 | Intense |
| 9 | 7.5 | Intense |
| 10 | 7.5 | Intense |
| 11 | 7.5 | Intense |
| 12 | 7.5 | Intense |
| 13 | 7.5 | Intense |
| 14 | 7.5 | Intense |
| 15 | 7.5 | Intense |
| 16 | 7.5 | Intense |
| 17 | 7.5 | Intense |
| 18 | 7.5 | Intense |
| 19 | 7.5 | Intense |
| 20 | 7.4 | Intense |
| 21 | 7.4 | Intense |
| 22 | 7.4 | Intense |
| 23 | 7.4 | Intense |
| 24 | 7.4 | Intense |
| 25 | 7.3 | Intense |
| 26 | 7.3 | Intense |
| 27 | 7.3 | Intense |
| 28 | 7.3 | Intense |
| 29 | 7.2 | Intense |
| 30 | 7.2 | Intense |
| 31 | 7.2 | Intense |
Is July a good time to visit Piraeus?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Piraeus for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Piraeus in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Piraeus sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection.
Sea temperature near Piraeus in July
The nearest coast averages about 25°C in July — 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 15°C.
It's comfortable for a long swim from May 28 to Nov 16 — about 5.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 16 | 19 | 22 | 25 | 26 | 25 | 23 | 20 | 17 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| 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 | 17 | Cool |
UV index in Piraeus in July
Clear-sky midday UV in July 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 Piraeus peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 7 | 7 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Piraeus in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Piraeus is worst in August — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 7 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) | 10 | 12 | 15 | 14 | 13 | 11 | 14 | 19 | 9 | 9 | 9 | 7 |
| Level | Good | Good | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Good |
| Mar | 15 | Moderate |
| Apr | 14 | Moderate |
| May | 13 | Moderate |
| Jun | 11 | Good |
| Jul | 14 | Moderate |
| Aug | 19 | Moderate |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Piraeus?
Piraeus sits at 37.9°N, 23.6°E, 29 m above sea level, in Greece. The nearest listed city is Níkaia, 3.0 km away.
Topography around Piraeus
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Piraeus.
Within 3 km, the terrain around Piraeus has only modest variations in elevation — a maximum elevation change of 119 m around an average of 13 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,025 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,724 m.
The land around Piraeus is covered by artificial surfaces (55%) and water (40%) within 3 km, water (43%) and artificial surfaces (31%) within 16 km, and water (50%) and trees (21%) 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 Piraeus (37.942°, 23.6462°, elevation 29 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).