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    Slovenia

    Piran weather and climate

    Slovenia

    Piran weather and climate

    Day

    22 °C

    Night

    14 °C

    Sea

    17 °C

    Precipitation

    84 mm

    in month

    Rainy days

    10 days

    in month

    Daylight

    15 hours

    average

    Sunshine

    7 hours

    average

    Humidity

    68 %

    Weather charts for Piran

    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)051015202530Precipitation (mm)0130
    Weather overview
    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)051015202530Precipitation (mm)0130
    Wet days chart
    JanFebMarAprMayJunJulAugSepOctNovDecWet days468101214468101214
    Sunhours per day chart
    JanFebMarAprMayJunJulAugSepOctNovDecSunhours per day02468101224681012
    Wind chart
    JanFebMarAprMayJunJulAugSepOctNovDecWind0246123456
    Humidity chart
    JanFebMarAprMayJunJulAugSepOctNovDecHumidity %60657075806065707580
    Data backed by 40 years of history

    We make the most from 40 years of historical weather data to predict the best weather conditions.

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    Aerial view of beach in Piran at sunset time

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    Weather overview for Piran

    Weather overview

    Piran (Slovenia) is a place with a mild climate. The day temperatures range from 7.1 °C (44.8 °F) in January to 28.0 °C (82.4 °F) in July. The highest night temperatures could be experienced in July with 20.3 °C (68.5 °F), the lowest in February with 2.5 °C (36.5 °F). The driest month is July with just 6 days of rain, on the contrary, the month when it rains the most is November with 10 days of rain. The highest sea temperatures in Piran are in August with 24.8 °C (76.6 °F) and the lowest in February with 9.8 °C (49.6 °F).

    January weather

    The day temperature is on its minimum, its value is 7.1 °C (44.8 °F) in Piran, while the descent of the sea temperature can be observed, with its value being 10.9 °C (51.6 °F). The number of rainy days continues to descent, with its value of 7 days, and the rainfall amount descents similarly to the previous month as well, its value is 61 mm (2.39 in). The minimum of the wind speed can be noticed, the value of this measure is 2.2. The descent of the night temperature can be observed.

    February weather

    The day temperature rise's start could be observed, with its value of 8.3 °C (46.9 °F) in Piran, while the sea temperature reaches its minimum, with its value of 9.8 °C (49.6 °F). The number of rainy days starts to rise, with its value of 8 days. The minimum of the night temperature can be noticed. The number of sun hours (without clouds) rises similarly to the previous month, with its value of 4 hours.

    March weather

    The day temperature continues to rise, with its value of 12.1 °C (53.8 °F) in Piran, while the night temperature rise's start could be observed, with its value being 5.5 °C (41.9 °F). The rainfall amount starts to rise in this month. The number of sun hours (without clouds) rises similarly to the previous month, with its value being 5 hours. The maximum of the wind speed is observable, the value of this measure is 2.5.

    April weather

    The day temperature rises similarly to the previous month, the value of this measure is 16.3 °C (61.3 °F) in Piran, while the sea temperature starts to rise, with its value being 12.8 °C (55.0 °F). The beginning of the rise of the number of rainy days could be noticed, its value is 10 days, while the rainfall amount rises similarly to the previous month, with its value being 74 mm (2.90 in). The rise of the number of sun hours (without clouds) can be observed, with its value of 6 hours. The rise of the night temperature can be observed, with its value of 9.1 °C (48.4 °F).

    May weather

    The rise of the day temperature can be observed, with its value being 21.7 °C (71.1 °F) in Piran, and the rise of the sea temperature can be observed as well, with its value of 17.5 °C (63.4 °F). The rainfall amount rises similarly to the previous month, its value is 84 mm (3.29 in). The number of sun hours (without clouds) rises similarly to the previous month, its value is 7 hours. The night temperature rises similarly to the previous month, with its value of 14.4 °C (57.9 °F).

    June weather

    The day temperature continues to rise, with its value being 25.3 °C (77.5 °F) in Piran, and the sea temperature rises similarly to the previous month as well, with its value being 21.5 °C (70.7 °F). The tourist season is about to start. The number of sun hours (without clouds) continues to rise, its value is 8 hours. The day length is on its maximum, with its value of 15 hours. The night temperature rises similarly to the previous month, its value is 17.9 °C (64.2 °F).

    July weather

    The day temperature is on its maximum, its value is 28.0 °C (82.4 °F) in Piran, while the sea temperature rises similarly to the previous month, the value of this measure is 24.3 °C (75.7 °F). There is pending tourist season. The minimum of the number of rainy days can be noticed, its value is 6 days, and the minimum of the rainfall amount is observable as well, with its value being 56 mm (2.21 in). The maximum of the night temperature is observable, the value of this measure is 20.3 °C (68.5 °F). The number of sun hours (without clouds) is on its maximum, with its value being 9 hours.

    August weather

    The beginning of the descent of the day temperature could be noticed, with its value of 27.5 °C (81.5 °F) in Piran, while the sea temperature reaches its maximum, its value is 24.8 °C (76.6 °F). The tourist season continues. The number of rainy days rise's start could be observed, the value of this measure is 7 days, and the rainfall amount starts to rise as well, the value of this measure is 88 mm (3.46 in). The beginning of the descent of the number of sun hours (without clouds) could be noticed, with its value of 9 hours.

    September weather

    There is pending tourist season in Piran. The descent of the day temperature can be observed, while the sea temperature starts to descent, with its value being 22.1 °C (71.8 °F). The number of rainy days rises similarly to the previous month, the value of this measure is 9 days. The beginning of the descent of the night temperature could be noticed, the value of this measure is 15.4 °C (59.7 °F). The descent of the number of sun hours (without clouds) can be observed.

    October weather

    The day temperature descents similarly to the previous month, its value is 17.5 °C (63.5 °F) in Piran, and the descent of the sea temperature can be observed as well, with its value of 19.2 °C (66.5 °F). The maximum of the rainfall amount can be noticed. The descent of the night temperature can be observed, with its value of 11.7 °C (53.1 °F). The humidity reaches its maximum, the value of this measure is 72 %. The number of sun hours (without clouds) continues to descent, with its value of 5 hours.

    November weather

    The sea temperature continues to descent, the value of this measure is 15.9 °C (60.6 °F) in Piran, and the day temperature continues to descent as well, with its value being 12.4 °C (54.3 °F). The number of rainy days is on its maximum in this month. The number of sun hours (without clouds) descents similarly to the previous month, with its value being 3 hours. The descent of the night temperature can be observed, with its value being 7.0 °C (44.6 °F).

    December weather

    The sea temperature descents similarly to the previous month, with its value being 13.1 °C (55.7 °F) in Piran, and the descent of the day temperature can be observed too, with its value being 8.1 °C (46.6 °F). The number of rainy days descent's start could be observed, its value is 9 days, and the beginning of the descent of the rainfall amount could be noticed too. The night temperature descents similarly to the previous month, its value is 3.6 °C (38.5 °F). The number of sun hours (without clouds) reaches its minimum, with its value being 3 hours.

    FAQs

    What is the night temperature in Piran in April?

    The average night temperature in April in Piran is 9.1 °C (48.4 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.

    Are there good conditions to visit in May in Piran?

    Piran can be visited in May - the weather will be moderate. The temperature of 14.4 °C (57.9 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

    Is it hot in Piran in June?

    In Piran in June, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

    What temperature can I expect during the day in Piran in July?

    The average daily temperature in July in Piran is 28.0 °C (82.4 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

    Is August part of the wet season in Piran?

    No, there is no wet season in Piran in August - you can expect 7 days of rain during the month.

    What is the sea temperature in Piran in September?

    The temperature of the sea in September in Piran is 22.1 °C (71.8 °F). This warm sea is nice for swimming, maybe cold for some, but most people can spend a long time in it.

    How many rainy days can I expect in October in Piran?

    In October in Piran, we can expect 9 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.1 days of the week, or in general - 31 % days.