Climate guide for Trieste, Italy

Trieste in January

Weather, crowds & best time to visit

How to read the score (0–10)
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January · Italy

Best time to visit Trieste in January Weather, crowds & prices

Weather in Trieste in January

Average temperature 5°C, 94 mm of rain, about 0 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

4.1/10

Ranked #11 of 12 months

Full year for Trieste
Avg temp
5°C
Rainfall
94 mm
Humidity
83%
Days with 6h+ sun
0
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

January in Trieste scores 4.1/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 5°C, 94 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.

Trieste faces the Adriatic with Habsburg cafés, a grand piazza on the water, and a Mitteleuropean literary past. Best window: April-June and September-October.

January in Trieste — the hardest end of the year

Expect 5°C (40°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 94 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8.9 hours of daylight to work around it.

That is 4.1/10 on the same scale — 11th of 12 months, versus 8.6/10 for the best month here.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

Budget for low-season pricing, and crowds are light for this destination.

If your dates are flexible, June is materially better in Trieste — 4.5 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Trieste in January?
In January, Trieste averages 5°C, 94 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.1/10.
Is January a good time to visit Trieste?
January earns a 4.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Trieste in January?
Expect about 94 mm of rain in January. Average humidity is 83% and there are about 0 days with 6+ hours of sunshine.

Curated in Trieste

Tickets & experiences

Things to do in Trieste

Trieste, Italy. Live activities and tours from GetYourGuide, matched to this destination.