Santa Maria Weather in December
Santa Maria in December sees pleasant temperatures, with highs around 22°C (72°F) and overnight lows of 19°C (66°F). Rainfall is at its peak this month, around 92 mm (3.6 in) on average, so waterproofs are essential.
Rainfall in Santa Maria in December
Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Typically, you can expect about 15 days of rain this month, with 92 mm (3.6 in) on average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Santa Maria in December
December in Santa Maria is generally perfect, with days reaching 22°C (72°F) and nights settling around 19°C (66°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Santa Maria in December
With about 108 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.
Wind Speed in Santa Maria in December
Average wind conditions reach 7 m/s (14 knots) in December. This indicates a windy month with strong breezes dominating the weather pattern. Remember this is an average: while most days are notably windy, some calmer periods occur alongside more stormy conditions.To explore more travel options, our weather planner can help you discover destinations worldwide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Santa Maria's climate page.
Santa Maria Temperature in December
Min Temperature
19°C (66°F)
Max Temperature
22°C (72°F)
Chance of Rain
51%
Precipitation
92 mm (3.6 in)
Rainy days
15 days
Humidity
79%
Windspeed
7 m/s (14 knots)
Sunshine
108 hours
Percentage Sunshine
31%
Historical weather for Santa Maria in December
Browse day-by-day weather records for Santa Maria spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santa Maria historical weather extremes in December
Based on 19 years of weather observations in Santa Maria between 2006 and 2025, these are the recorded extremes.
- The hottest December day on record in Santa Maria reached 23°C (73°F) (December 9, 2022).
- On December 14, 2010, Santa Maria saw its coldest December day with temperatures maxing out at 17°C (63°F).
- The coldest night in December in Santa Maria was on December 16, 2009, with a minimum of 14°C (57°F).
Best Places in Portugal in December
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in December →
perfect weather
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What to Wear in Santa Maria in December
For Santa Maria in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Santa Maria in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Santa Maria's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Santa Maria climate overview or explore weather in Portugal.
