Tambor Weather in December
Thinking of visiting Tambor in December? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 25°C (77°F) at night, with some rainfall likely.
Rainfall in Tambor in December
You can typically expect 12 days of rain this month, averaging around 59 mm (2.3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Tambor in December
December in Tambor is generally perfect, with days reaching 29°C (84°F) and nights settling around 25°C (77°F). This kind of day-to-night contrast is typical for this time of year. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Tambor in December
The city usually sees around 233 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Tambor's climate page.
Tambor Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
39%
Precipitation
59 mm (2.3 in)
Rainy days
12 days
Sunshine
233 hours *
Percentage Sunshine
*
Daily Historical Temperatures
30-year average (1987-2025)
Based on our historical records, temperatures in Tambor typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in December
Historical weather for Tambor in December
Browse day-by-day weather records for Tambor spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tambor historical weather extremes in December
Based on 19 years of weather observations in Tambor between 2006 and 2025, these are the recorded extremes.
- On December 31, 2025, temperatures climbed to 32°C (90°F), marking the warmest December day on record.
- The lowest daytime temperature in December was 25°C (77°F), recorded on December 20, 2010.
- Tambor registered its coldest December night on December 22, 2025, with temperatures dropping to 21°C (70°F).
Best Places in Costa Rica in December
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Tambor in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Tambor 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 Costa Rica, check out our Tambor's climate page.
See the full Tambor climate overview or explore weather in Costa Rica.
