Trieste
May
Weather in Trieste for May 2025
Your guide to Trieste weather in May - trends and predictions
In general, the average temperature in Trieste at the beginning of May is 18.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21 °C by the end of May.
Trieste experiences an exceptionally high level of rainfall in May, with more than 24 rainy days on average.
Is May a good time to visit Trieste? check out the best time to travel to Trieste page.
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4
Dry days
27
Rainy days
0
Snow days
20°/12°
Temperatures
10 km/h
Avg max wind
77 %
Avg humidity
Trieste in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2  17° | 3 16° | 4  19° | |||
| 5 20° | 6 22° | 7 18° | 8 21° | 9 22° | 10 22° | 11  23° |
| 12 24° | 13 22° | 14 19° | 15 14° | 16 18° | 17 20° | 18 22° |
| 19 23° | 20 23° | 21 18° | 22 18° | 23  20° | 24 22° | 25 23° |
| 26 24° | 27 24° | 28 18° | 29 23° | 30 18° | 31 17° |
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Temperatures trend during May in Trieste
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Light rain shower | 18° /12° | 16.1 mm | 4 | |
| 2 May | Moderate or heavy rain with thunder | 17° /11° | 13.4 mm | 4 | |
| 3 May | Light rain shower | 16° /10° | 4.2 mm | 4 | |
| 4 May | Light drizzle | 19° /12° | 6.1 mm | 4 | |
| 5 May | Light drizzle | 20° /10° | 0.7 mm | 5 | |
| 6 May | Patchy rain possible | 22° /12° | 0.3 mm | 5 | |
| 7 May | Light rain shower | 18° /12° | 3 mm | 4 | |
| 8 May | Patchy rain possible | 21° /11° | 3.8 mm | 5 | |
| 9 May | Patchy rain possible | 22° /11° | 0.6 mm | 5 | |
| 10 May | Patchy rain possible | 22° /13° | 0.2 mm | 5 | |
| 11 May | Partly cloudy | 23° /13° | 0 mm | 6 | |
| 12 May | Patchy rain possible | 24° /13° | 0.5 mm | 5 | |
| 13 May | Patchy rain possible | 22° /14° | 0.6 mm | 5 | |
| 14 May | Light rain shower | 19° /13° | 5 mm | 4 | |
| 15 May | Light rain shower | 14° /13° | 38.8 mm | 3 | |
| 16 May | Moderate or heavy rain with thunder | 18° /13° | 15.8 mm | 4 | |
| 17 May | Patchy rain possible | 20° /12° | 3 mm | 5 | |
| 18 May | Patchy rain possible | 22° /10° | 0.4 mm | 5 | |
| 19 May | Patchy rain possible | 23° /12° | 0.6 mm | 5 | |
| 20 May | Light rain shower | 23° /13° | 1.2 mm | 5 | |
| 21 May | Light rain shower | 18° /14° | 34.8 mm | 4 | |
| 22 May | Light rain shower | 18° /12° | 4.6 mm | 4 | |
| 23 May | Patchy light rain with thunder | 20° /12° | 12 mm | 5 | |
| 24 May | Patchy rain possible | 22° /11° | 6.2 mm | 5 | |
| 25 May | Patchy light rain with thunder | 23° /12° | 4.7 mm | 5 | |
| 26 May | Patchy rain possible | 24° /11° | 0 mm | 5 | |
| 27 May | Patchy rain possible | 24° /14° | 2.7 mm | 5 | |
| 28 May | Light rain shower | 18° /13° | 5.4 mm | 4 | |
| 29 May | Patchy rain possible | 23° /12° | 0.4 mm | 5 | |
| 30 May | Light rain shower | 18° /14° | 8.8 mm | 4 | |
| 31 May | Patchy light rain with thunder | 17° /12° | 26.9 mm | 4 | |
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Important Notice
Our weather forecast for Trieste in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trieste forecast closer to your planned date for the most up-to-date weather information.
Trieste in May - FAQ
What are the expected maximum and minimum temperatures in Trieste during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Trieste during May?
Significant rainfall exceeding 220.8 mm is expected in Trieste during May, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Trieste during May?
The average wind speed in Trieste during May is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Trieste in May?
As you prepare for your trip to Trieste in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Trieste, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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