Weather Forecast for Piran

Bohinj, Slovenia

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Sunny

Current Weather - Piran: 24°C

Bohinj, Slovenia

Sunny

Feels like 26°C

Wind

4 km/h E

Humidity

69%

Pressure

1019 mb

UV Index

1

Visibility

10 km

Sunny

Sunny

Saturday, June 20, 2026

High

32°C

Low

20°C

Rain Chance

3%

Hourly Forecast

Sunny 24°C
08:00
Sunny 29°C
09:00
Sunny 30°C
10:00
Sunny 31°C
11:00
Sunny 31°C
12:00
Sunny 31°C
13:00
Sunny 32°C
14:00
Sunny 31°C
15:00
Sunny 31°C
16:00
Sunny 31°C
17:00
Sunny 30°C
18:00
Sunny 28°C
19:00
Sunny 24°C
20:00
Clear 23°C
21:00
Clear 22°C
22:00
Clear 22°C
23:00
Jun 21

Day Statistics

Maximum Wind

10 km/h

Humidity

59%

Precipitation

0 mm

UV Index

8

Visibility

10 km

Rain Chance

3%

Snow Chance

0%

Sun & Moon

Sunrise

05:16 AM

Sunset

08:57 PM

Moonrise

11:17 AM

Moonset

12:12 AM

Moon Phase

First Quarter

Moon Illumination

38%

Air Quality

PM2.5

9.6

μg/m³

PM10

12.5

μg/m³

NO₂

9.2

μg/m³

O₃

89.5

μg/m³

SO₂

0.9

μg/m³

CO

149

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

67.9

Diffuse Radiation

18.22

DNI

1.44

GTI

59.75

Weather Alerts

Moderate High temperature Warning (Degree 2/4) - Slovenia / South-West

Slovenia / South-West Jun 19, 06:11 AM - Jun 20, 07:59 PM
Severity: Moderate Urgency: Future

High temperatures may affect the health of sensitive members of the population.

You are recommended to stay in the shade at midday and in the afternoon, while intense physical effort in the open is not recommended. Eat light food and drink enough liquids. Vehicles parked in the sun should be aired out before driving.

Event: Moderate High temperature Warning Certainty: Likely Category: Met

Moderate Thunderstorms Warning (Degree 2/4) - Slovenia / Sea

Slovenia / Sea Jun 19, 06:11 AM - Jun 21, 09:59 PM
Severity: Moderate Urgency: Future

Intense local showers with wind blasts and lightning strikes are possible. Wind and sea state may change quickly.

Beware of approaching storm clouds. Do not linger in exposed locations. If possible, find a more sheltered place, as storms usually do not last long.

Event: Moderate Thunderstorms Warning Certainty: Likely Category: Met

Severe High temperature Warning (Degree 3/4) - Slovenia / South-West

Slovenia / South-West Jun 19, 06:11 AM - Jun 21, 08:59 PM
Severity: Severe Urgency: Future

High temperatures will affect the health of sensitive members of the population.

Stay in the shade at midday and in the afternoon, while intense physical effort is not recommended. Eat light food and drink enough liquids. Wear airy and light clothes. Drinking coffee, alcohol or very sweet drinks is not recommended. If you take medication for regulating blood pressure, consult your doctor. Air conditioning should be set to a temperature that is no more than 8 °C lower than the outside temperature. Domestic animals should have enough fresh water and shade. Living premises should be aired out at night and in the morning and sufficient air circulation should be ensured. We recommend shading premises externally. Vehicles parked in the sun should be aired out thoroughly before driving.

Event: Severe High temperature Warning Certainty: Likely Category: Met

Moderate Thunderstorms Warning (Degree 2/4) - Slovenia / South-West

Slovenia / South-West Jun 19, 06:11 AM - Jun 21, 09:59 PM
Severity: Moderate Urgency: Future

Thunderstorms are possible, accompanied by local intense precipitation and gusty winds. Intense local showers with wind blasts and lightning strikes are possible. Torrential watercourses may rise quickly. Rainwater floods are possible.

Beware of approaching storm clouds. Do not linger in exposed locations, e.g. under trees or power lines. Wait in a safe place, as storms usually do not last long.

Event: Moderate Thunderstorms Warning Certainty: Likely Category: Met

Rijeka region Jun 18, 01:00 PM - Jun 20, 11:59 PM
Severity: Moderate Urgency: Future

Heat wave. maximum temperature > 33 °C

STAY ALERT for expected high temperatures. Health risks are possible in the vulnerable population, in particular senior citizens and small children.

Event: Yellow high temperature warning Certainty: Possible Category: Met

When to visit Piran?

Plan your perfect trip with our month-by-month weather guide

⭐ Best months: June July August

January

☀️
10°C
💧
12 Days of rain
❄️
Moderate snowfall
🥶 Coldest month

February

☀️
10°C
💧
12 Days of rain
❄️
Moderate snowfall

March

☀️
12°C
💧
11 Days of rain
❄️
Moderate snowfall

April

☀️
15°C
💧
11 Days of rain
❄️
No snowfall

May

☀️
20°C
💧
12 Days of rain
❄️
No snowfall

June

☀️
24°C
💧
10 Days of rain
❄️
No snowfall
Best time to visit

July

☀️
27°C
💧
7 Days of rain
❄️
No snowfall
Best time to visit
🌵 Driest month

August

☀️
27°C
💧
11 Days of rain
❄️
No snowfall
Best time to visit
🔥 Hottest month

September

☀️
23°C
💧
21 Days of rain
❄️
No snowfall

October

☀️
19°C
💧
23 Days of rain
❄️
No snowfall

November

☀️
15°C
💧
25 Days of rain
❄️
Light snow possible
🌧 Wettest month,

December

☀️
11°C
💧
17 Days of rain
❄️
Moderate snowfall