Climate guide for Sintra, Portugal

Sintra in January

Weather, crowds & best time to visit

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January · Portugal

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

Weather in Sintra in January

Average temperature 11°C, 84 mm of rain, about 26 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

7.2/10

Ranked #9 of 12 months

Full year for Sintra
Avg temp
11°C
Rainfall
84 mm
Humidity
80%
Days with 6h+ sun
26
Crowd Density
Quiet / Uncrowded
Average Expenses
$$ · Moderate Cost ($$)

January in Sintra scores 7.2/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 11°C, 84 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.

Sintra's palaces and gardens climb the hills west of Lisbon among mist and forest.

January in Sintra — reliably good (9th best month)

January averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 84 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 9.8 hours of daylight.

It scores 7.2/10 here, 9th of 12 months, against 9.7/10 in the destination's best month.

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

Figure on mid-season pricing, with crowds are light for this destination.

Flexible dates? May scores 2.5 points higher here — enough to change the trip.

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 Sintra in January?
In January, Sintra averages 11°C, 84 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 7.2/10.
Is January a good time to visit Sintra?
January earns a 7.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Sintra in January?
Expect about 84 mm of rain in January. Average humidity is 80% and there are about 26 days with 6+ hours of sunshine.

Curated in Sintra

Tickets & experiences

Things to do in Sintra

Sintra, Portugal. Live activities and tours from GetYourGuide, matched to this destination.