Piran weather in November
In November, Piran sees average daytime highs of 14°C and overnight lows near 12°C, with 170 mm of precipitation across 13.9 wet days and about 9.3 hours of daylight. It is the 8th-warmest and 1st-wettest month of the year here.
Highs ease over the month, from about 16°C in the first days to 12°C by the end. The sky is clear or mostly clear about 28% of the time in November, and the air most often feels dry.
Daylight stretches from about 9 h 54 min at the start of November to 8 h 48 min by month's end. Set against the rest of the year, November is Piran's 12th-clearest and 1st-windiest month. For the whole year in context, see Piran's year-round climate.
- Daytime high
- 14°
- 8th warmest
- Overnight low
- 12°
- 5th coldest
- Precipitation
- 170 mm
- 13.9 wet days
- Daylight
- 9 h 12 min
- 7:14 AM – 4:28 PM
- Cloud cover
- 63%
- 12th clearest
- Wind
- 16 km/h
- 1st windiest
- Solar energy
- 1.56 kWh/m²
- Travel score
- 3.6
- out of 10
Piran is coastal town of Slovenia.
- Density
- 94/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in November
Highs ease over the month, from about 16°C in the first days to 12°C by the end.
A typical November day in Piran reaches about 14°C in the afternoon and slips back to 12°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°C. Set against its neighbours, November runs about 4°C cooler than October and about 4°C warmer than December.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Avg low (°C) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 16 | 14 |
| 2 | 16 | 14 |
| 3 | 16 | 14 |
| 4 | 16 | 13 |
| 5 | 16 | 13 |
| 6 | 15 | 13 |
| 7 | 15 | 13 |
| 8 | 15 | 13 |
| 9 | 15 | 13 |
| 10 | 15 | 12 |
| 11 | 15 | 12 |
| 12 | 14 | 12 |
| 13 | 14 | 12 |
| 14 | 14 | 12 |
| 15 | 14 | 12 |
| 16 | 14 | 11 |
| 17 | 13 | 11 |
| 18 | 13 | 11 |
| 19 | 13 | 11 |
| 20 | 13 | 11 |
| 21 | 13 | 11 |
| 22 | 13 | 11 |
| 23 | 13 | 10 |
| 24 | 12 | 10 |
| 25 | 12 | 10 |
| 26 | 12 | 10 |
| 27 | 12 | 10 |
| 28 | 12 | 10 |
| 29 | 12 | 10 |
| 30 | 12 | 10 |
Piran weather by month
How November compares with the rest of the year at a glance. November is the 8th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 6° | 83 | 9.9 | 0.1 | 8.9 | 1.7 |
| Feb | 9° / 6° | 85 | 8.9 | 0.6 | 10.1 | 1.7 |
| Mar | 11° / 8° | 75 | 8.4 | 0.3 | 11.6 | 2.8 |
| Apr | 14° / 12° | 75 | 9.3 | 0 | 13.2 | 4.3 |
| May | 19° / 16° | 82 | 9.3 | 0 | 14.7 | 6.3 |
| Jun | 23° / 21° | 64 | 7.3 | 0 | 15.4 | 7.6 |
| Jul | 26° / 23° | 47 | 5.6 | 0 | 15.1 | 7.9 |
| Aug | 26° / 23° | 78 | 7 | 0 | 13.9 | 7.7 |
| Sep | 22° / 19° | 142 | 9.6 | 0 | 12.3 | 6.9 |
| Oct | 18° / 16° | 141 | 12.3 | 0 | 10.7 | 5.7 |
| Nov | 14° / 12° | 170 | 13.9 | 0.1 | 9.3 | 3.6 |
| Dec | 10° / 8° | 116 | 11.3 | 0.4 | 8.6 | 2.3 |
Cloud cover in November
The sky is clear or mostly clear about 28% of the time in November, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 13% of November, with mostly cloudy or overcast conditions the remaining 59%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 46 | 45 | 44 | 43 | 43 | 42 | 42 | 41 | 40 | 40 | 41 | 41 | 40 | 40 | 40 | 39 | 40 | 40 | 39 | 39 | 40 | 40 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 |
| Cloudier (%) | 54 | 55 | 56 | 57 | 57 | 58 | 58 | 59 | 60 | 60 | 59 | 59 | 60 | 60 | 60 | 61 | 60 | 60 | 61 | 61 | 60 | 60 | 61 | 61 | 61 | 61 | 61 | 61 | 60 | 60 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 46 | 54 |
| 2 | 45 | 55 |
| 3 | 44 | 56 |
| 4 | 43 | 57 |
| 5 | 43 | 57 |
| 6 | 42 | 58 |
| 7 | 42 | 58 |
| 8 | 41 | 59 |
| 9 | 40 | 60 |
| 10 | 40 | 60 |
| 11 | 41 | 59 |
| 12 | 41 | 59 |
| 13 | 40 | 60 |
| 14 | 40 | 60 |
| 15 | 40 | 60 |
| 16 | 39 | 61 |
| 17 | 40 | 60 |
| 18 | 40 | 60 |
| 19 | 39 | 61 |
| 20 | 39 | 61 |
| 21 | 40 | 60 |
| 22 | 40 | 60 |
| 23 | 39 | 61 |
| 24 | 39 | 61 |
| 25 | 39 | 61 |
| 26 | 39 | 61 |
| 27 | 39 | 61 |
| 28 | 39 | 61 |
| 29 | 40 | 60 |
| 30 | 40 | 60 |
Chance of precipitation in November
Piran gets around 170 mm of rain and snow over 13.9 wet days in November, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 45% and peaks near 48% on the wettest days, and about 0 day brings snow.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 44 | 45 | 46 | 46 | 47 | 47 | 48 | 48 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 46 | 46 | 45 | 45 | 45 | 44 | 44 | 44 | 43 | 43 | 42 | 42 | 41 | 41 | 40 |
| Rain chance (%) | |
|---|---|
| 1 | 44 |
| 2 | 45 |
| 3 | 46 |
| 4 | 46 |
| 5 | 47 |
| 6 | 47 |
| 7 | 48 |
| 8 | 48 |
| 9 | 48 |
| 10 | 48 |
| 11 | 48 |
| 12 | 48 |
| 13 | 47 |
| 14 | 47 |
| 15 | 46 |
| 16 | 46 |
| 17 | 46 |
| 18 | 45 |
| 19 | 45 |
| 20 | 45 |
| 21 | 44 |
| 22 | 44 |
| 23 | 44 |
| 24 | 43 |
| 25 | 43 |
| 26 | 42 |
| 27 | 42 |
| 28 | 41 |
| 29 | 41 |
| 30 | 40 |
Humidity in November
Most of November feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November lands in the dry band about 87% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 71 | 72 | 74 | 75 | 76 | 77 | 78 | 80 | 81 | 82 | 83 | 85 | 87 | 88 | 88 | 89 | 90 | 91 | 91 | 92 | 93 | 93 | 94 | 95 | 95 | 96 | 96 | 97 | 97 | 97 |
| Comfortable (%) | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 13 | 12 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 |
| Humid (%) | 6 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 71 | 23 | 6 |
| 2 | 72 | 23 | 5 |
| 3 | 74 | 22 | 4 |
| 4 | 75 | 22 | 3 |
| 5 | 76 | 21 | 3 |
| 6 | 77 | 21 | 2 |
| 7 | 78 | 20 | 2 |
| 8 | 80 | 19 | 1 |
| 9 | 81 | 18 | 1 |
| 10 | 82 | 17 | 1 |
| 11 | 83 | 16 | 1 |
| 12 | 85 | 15 | 0 |
| 13 | 87 | 13 | 0 |
| 14 | 88 | 12 | 0 |
| 15 | 88 | 12 | 0 |
| 16 | 89 | 11 | 0 |
| 17 | 90 | 10 | 0 |
| 18 | 91 | 9 | 0 |
| 19 | 91 | 9 | 0 |
| 20 | 92 | 8 | 0 |
| 21 | 93 | 7 | 0 |
| 22 | 93 | 7 | 0 |
| 23 | 94 | 6 | 0 |
| 24 | 95 | 5 | 0 |
| 25 | 95 | 5 | 0 |
| 26 | 96 | 4 | 0 |
| 27 | 96 | 4 | 0 |
| 28 | 97 | 3 | 0 |
| 29 | 97 | 3 | 0 |
| 30 | 97 | 3 | 0 |
Wind in November
Winds average 16 km/h in November, the windiest month of the year.
Across November, daily wind ranges from about 15 km/h on the calmest days to 16 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 16 | light breeze |
| 27 | 16 | light breeze |
| 28 | 16 | light breeze |
| 29 | 16 | light breeze |
| 30 | 16 | light breeze |
Sunrise & sunset in November
Daylight runs from about 9 h 54 min at the start of November to 8 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over November. Sunrise moves from 6:52 AM to 7:31 AM, and sunset from 4:46 PM to 4:19 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.9 | 9.8 | 9.8 | 9.8 | 9.7 | 9.7 | 9.6 | 9.6 | 9.5 | 9.5 | 9.4 | 9.4 | 9.4 | 9.3 | 9.3 | 9.2 | 9.2 | 9.2 | 9.1 | 9.1 | 9.1 | 9.0 | 9.0 | 9.0 | 8.9 | 8.9 | 8.9 | 8.9 | 8.8 | 8.8 |
| Sunrise (AM) | 6:52 | 6:54 | 6:55 | 6:57 | 6:58 | 7:00 | 7:01 | 7:02 | 7:04 | 7:05 | 7:07 | 7:08 | 7:09 | 7:11 | 7:12 | 7:14 | 7:15 | 7:16 | 7:18 | 7:19 | 7:20 | 7:21 | 7:23 | 7:24 | 7:25 | 7:26 | 7:28 | 7:29 | 7:30 | 7:31 |
| Sunset (PM) | 4:46 | 4:45 | 4:43 | 4:42 | 4:41 | 4:39 | 4:38 | 4:37 | 4:36 | 4:35 | 4:34 | 4:32 | 4:31 | 4:30 | 4:29 | 4:28 | 4:28 | 4:27 | 4:26 | 4:25 | 4:24 | 4:24 | 4:23 | 4:22 | 4:22 | 4:21 | 4:20 | 4:20 | 4:19 | 4:19 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.9 | 6:52 | 4:46 |
| 2 | 9.8 | 6:54 | 4:45 |
| 3 | 9.8 | 6:55 | 4:43 |
| 4 | 9.8 | 6:57 | 4:42 |
| 5 | 9.7 | 6:58 | 4:41 |
| 6 | 9.7 | 7:00 | 4:39 |
| 7 | 9.6 | 7:01 | 4:38 |
| 8 | 9.6 | 7:02 | 4:37 |
| 9 | 9.5 | 7:04 | 4:36 |
| 10 | 9.5 | 7:05 | 4:35 |
| 11 | 9.4 | 7:07 | 4:34 |
| 12 | 9.4 | 7:08 | 4:32 |
| 13 | 9.4 | 7:09 | 4:31 |
| 14 | 9.3 | 7:11 | 4:30 |
| 15 | 9.3 | 7:12 | 4:29 |
| 16 | 9.2 | 7:14 | 4:28 |
| 17 | 9.2 | 7:15 | 4:28 |
| 18 | 9.2 | 7:16 | 4:27 |
| 19 | 9.1 | 7:18 | 4:26 |
| 20 | 9.1 | 7:19 | 4:25 |
| 21 | 9.1 | 7:20 | 4:24 |
| 22 | 9.0 | 7:21 | 4:24 |
| 23 | 9.0 | 7:23 | 4:23 |
| 24 | 9.0 | 7:24 | 4:22 |
| 25 | 8.9 | 7:25 | 4:22 |
| 26 | 8.9 | 7:26 | 4:21 |
| 27 | 8.9 | 7:28 | 4:20 |
| 28 | 8.9 | 7:29 | 4:20 |
| 29 | 8.8 | 7:30 | 4:19 |
| 30 | 8.8 | 7:31 | 4:19 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 1.56 kWh/m².
For context, solar energy here swings from a low near 1.2 kWh/m² to a high of 6.52 kWh/m² in July across the year — November's 1.56 kWh/m² sits near the bottom.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.0 | 2.0 | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | 1.8 | 1.7 | 1.7 | 1.7 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.5 | 1.5 | 1.5 | 1.5 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.3 | 1.3 | 1.3 |
| Level | Moderate | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.0 | Moderate |
| 2 | 2.0 | Dim |
| 3 | 1.9 | Dim |
| 4 | 1.9 | Dim |
| 5 | 1.9 | Dim |
| 6 | 1.8 | Dim |
| 7 | 1.8 | Dim |
| 8 | 1.8 | Dim |
| 9 | 1.7 | Dim |
| 10 | 1.7 | Dim |
| 11 | 1.7 | Dim |
| 12 | 1.6 | Dim |
| 13 | 1.6 | Dim |
| 14 | 1.6 | Dim |
| 15 | 1.6 | Dim |
| 16 | 1.6 | Dim |
| 17 | 1.5 | Dim |
| 18 | 1.5 | Dim |
| 19 | 1.5 | Dim |
| 20 | 1.5 | Dim |
| 21 | 1.4 | Dim |
| 22 | 1.4 | Dim |
| 23 | 1.4 | Dim |
| 24 | 1.4 | Dim |
| 25 | 1.4 | Dim |
| 26 | 1.4 | Dim |
| 27 | 1.4 | Dim |
| 28 | 1.3 | Dim |
| 29 | 1.3 | Dim |
| 30 | 1.3 | Dim |
Is November a good time to visit Piran?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is a weaker month for outdoor sightseeing in Piran.
What to pack for Piran in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Piran sees daytime highs around 14°C and nights near 12°C. Pack rain gear. Worth having: a warm layer. About 14 days see rain.
Sea temperature near Piran in November
The nearest coast averages about 16°C in November — 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 25°C and coldest in February near 10°C.
It's comfortable for a long swim from May 31 to Oct 9 — about 4.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 11 | 10 | 10 | 13 | 18 | 23 | 25 | 25 | 23 | 19 | 16 | 13 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 11 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 13 | Bracing |
| May | 18 | Cool |
| Jun | 23 | Refreshing |
| Jul | 25 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 19 | Cool |
| Nov | 16 | Cool |
| Dec | 13 | Bracing |
UV index in Piran in November
Clear-sky midday UV in November peaks around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Piran peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 7 | 7 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Piran in November
Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.
Air quality in Piran is worst in January — around 22 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (September, 12 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) | 22 | 20 | 20 | 19 | 16 | 16 | 16 | 13 | 12 | 14 | 14 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 20 | Moderate |
| Mar | 20 | Moderate |
| Apr | 19 | Moderate |
| May | 16 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 13 | Moderate |
| Sep | 12 | Moderate |
| Oct | 14 | Moderate |
| Nov | 14 | Moderate |
| Dec | 18 | Moderate |
Where is Piran?
Piran sits at 45.5°N, 13.6°E, 0 m above sea level, in Slovenia. The nearest listed city is Koper, 13 km away.
Topography around Piran
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Piran.
Within 3 km, the terrain around Piran has only modest variations in elevation — a maximum elevation change of 172 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 412 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.
The land around Piran is covered by water (82%) within 3 km, water (65%) and trees (20%) within 16 km, and trees (43%) and water (31%) within 80 km.
Slovenia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 63% of US
- price level, 2025
- GDP per capita
- $37,376
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Piran (45.5278°, 13.5706°, 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. 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).