Sintra in January
In January, Sintra averages 15°C (59°F) during the day and 8°C (46°F) at night, with around 12 days of rain (140 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Plan for unsettled weather and bring rain gear.
January in Sintra is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How January compares to the rest of the year in Sintra
January is one of the coolest months in Sintra (11th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 5°C below the annual average (20°C). January runs roughly the same as December (15°C) and warms a further 1°C into February (16°C).
January sunrise & sunset in Sintra
Times shown for Sintra local time (Europe/Lisbon), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Sintra — January
Golden-hour and blue-hour windows for the 15th of January, in Sintra's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Sintra in January
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (Shoulder) and Sintra's popularity.
Crowds & pricing — January in Sintra
Sintra is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — January in Sintra
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sintra in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 15°C / 59°F | 8°C / 46°F | 140 mm | 12 | 0 |
| February | 16°C / 61°F | 9°C / 48°F | 115 mm | 11 | 0 |
| March | 18°C / 64°F | 10°C / 50°F | 90 mm | 11 | 0 |
| April | 18°C / 64°F | 11°C / 52°F | 90 mm | 11 | 0 |
| May | 20°C / 68°F | 13°C / 55°F | 75 mm | 10 | 0 |
| June | 23°C / 73°F | 15°C / 59°F | 30 mm | 5 | 0 |
| July | 25°C / 77°F | 17°C / 63°F | 5 mm | 1 | 0 |
| August | 25°C / 77°F | 17°C / 63°F | 5 mm | 1 | 0 |
| September | 24°C / 75°F | 16°C / 61°F | 55 mm | 7 | 0 |
| October | 21°C / 70°F | 14°C / 57°F | 140 mm | 11 | 0 |
| November | 17°C / 63°F | 11°C / 52°F | 155 mm | 12 | 0 |
| December | 15°C / 59°F | 9°C / 48°F | 170 mm | 12 | 0 |
Other cities with similar January weather
🌍 See the full ranked list of climate twins for Sintra in January →
Frequently asked questions
How hot is Sintra in January?
In January, Sintra averages a high of 15°C (59°F) and a low of 8°C (46°F) — generally cool.
Does it rain a lot in Sintra in January?
January can be fairly wet in Sintra, with about 12 rainy days on average.
Is January a good time to visit Sintra?
January is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Sintra in January?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full January packing list for Sintra for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.