Sintra weather in December
Sintra in December averages 13°C (55°F), 102 mm of rain and 4.8 hours of sun a day.
Of the twelve months in Sintra, December is the second coldest, the fourth wettest and the dullest.
- Average temp
- 13°C (55°F)
10–15°C · 49–60°F
- Rainfall
- 102 mm
Showers likely
- Sunshine
- 4.8 h
hours per day
What is Sintra like in December?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Sintra in December?
A light rain jacket
About 102 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 10°C (49°F).
December compared with November and January
December in Sintra is 2.5°C cooler than November and 18 mm drier than it, which averages 15°C (59°F).
December in Sintra is 0.7°C warmer than January and about as wet as it, which averages 12°C (53°F).
Daylight in Sintra in December
On 15 December the sun is up for 9 hours 28 minutes in Sintra, rising about 07:48 and setting about 17:16 local time.
No month in Sintra has less daylight than December.
Where to stay in Sintra
Dates are a starting point for December.
Travel guides for Sintra
What to read before you book.
Sintra weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 12°C / 53°F | 104 mm |
| February | 13°C / 55°F | 73 mm |
| March | 15°C / 59°F | 72 mm |
| April | 16°C / 61°F | 67 mm |
| May | 19°C / 65°F | 53 mm |
| June | 21°C / 71°F | 13 mm |
| July | 23°C / 73°F | 3 mm |
| August | 24°C / 74°F | 7 mm |
| September | 22°C / 72°F | 36 mm |
| October | 19°C / 66°F | 108 mm |
| November | 15°C / 59°F | 121 mm |
| December | 13°C / 55°F | 102 mm |
Similar weather in December
Other destinations whose December averages sit close to this one.
Check another month
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FAQs about Sintra in December
December climate averages for Sintra, 1991–2020.
Sintra averages 13°C (55°F) in December, ranging from about 10°C (49°F) at night to 15°C (60°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 102 mm falls across December, enough to need a light jacket but not enough to reshape a trip.
Yes. December averages 13°C (55°F) against 12°C (53°F) in January — 0.7°C warmer.
December is 2.5°C cooler than November, and 18 mm drier.
It is outside the easiest window. The most comfortable stretch here is May to October; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 4.8 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 9 hours 28 minutes of daylight in mid-December, the least of any month in Sintra.
On 15 December, sunrise is about 07:48 and sunset about 17:16 local time. Both shift across the month.
