Piran Weather: May
 |
Average Day Temperature: | 72.2°F |
|
Average Night Temperature: | 54.2°F |
|
Sea Water Temperature: | 65.8°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 14.3 - 15.4 hours | |
|
Number of Rainy Days: | 7 days |
| Precipitation Totals: | 3.7 in | |
| detailed information | ||
forecast
| Piran |
Temperature
| Piran |
Air Temperature in May, °F
The highest day temperature in May 2025 was 81°F. The lowest night temperature was 46°F. The average values for day and night temperatures during May were 69.5°F и 54.2°F respectivly.
Piran Water Sea Temperature in May, °F
The average sea surface temperature in May 2025 for Piran was 67.0°F. The maximum and minimum values were 61.2°F and 70.6°F respectively.
Most of the days in May are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in May, in
Precipitation total in May for Piran is 3.7 in. It makes may one of the most rainy months of the year.
The average wind speed in May is 5.6 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Piran in May is 9.1 hours.
Piran on the Weather Map
| Bohinjsko Jezero |  |
+32 |
| Cerkno |  |
+42 |
| Dolenjske Toplice |  |
+34 |
| Isola | |
+42 |
| Koper | |
+42 |
| Kranjska Gora | |
+32 |
| Ljubljana | |
+36 |
| Maribor | |
+34 |
| Moravske Toplice | |
+38 |
| Piran | |
+42 |
| Portoroz | |
+42 |
| Rogaska Slatina | |
+34 |
| Strunjan | |
+42 |
| Terme Radenci | |
+34 |
| Zrece | |
+34 |
| 0900 |  |
44°F | W 4 mph |
| 1200 | |
50°F | SW 5 mph |
| 1500 | |
48°F | SW 6 mph |
| 1800 |  |
44°F | SW 7 mph |
| 2100 | |
38°F | SW 6 mph |
| 0000 | |
38°F | SW 6 mph |
| 0300 | |
42°F | SW 6 mph |
| 0600 | |
46°F | SW 6 mph |