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San Gil Weather in December
During December, San Gil experiences high daytime temperatures of 25°C (77°F) and cooler nights around 15°C (59°F). December sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in San Gil in December
San Gil is in the rainy season in December, with rain on around 12 days and an average of 250 mm (9.8 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.
Temperature in San Gil in December
December in San Gil brings typical temperatures with highs around 25°C (77°F) and lows of 15°C (59°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in San Gil in December
The city usually sees around 182 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for San Gil.
San Gil Temperature in December
Min Temperature
15°C (59°F)
Max Temperature
25°C (77°F)
Chance of Rain
41%
Precipitation
250 mm (9.8 in)
Rainy days
12 days
Humidity
87% *
Sunshine
182 hours *
Percentage Sunshine
*
* Data from: Bucaramanga, Colombia (63 KM, 39 Miles).
San Gil Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Gil - and find the best time to visit.
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in San Gil typically stay consistent throughout December, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows around 18°C (64°F).
Average temperatures in December
Historical weather records for San Gil in December
Browse day-by-day weather records for San Gil spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Gil historical weather extremes in December
Based on 30 years of weather observations in San Gil between 1995 and 2025, these are the recorded extremes.
- On December 11, 2023, temperatures climbed to 30°C (86°F), marking the warmest December day on record.
- The lowest daytime temperature in December was 18°C (64°F), recorded on December 20, 2010.
- San Gil registered its coldest December night on December 29, 2009, with temperatures dropping to 12°C (54°F).
Best Places in Colombia in December
Find out more about the weather in Colombia and which places have the best travel conditions in this month. See all of Colombia in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in San Gil in December
For San Gil 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. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in San Gil in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Camping6/10
San Gil 3-Day Forecast
More climate data for San Gil
Temperature Rainfall Sunshine Humidity
See the full San Gil climate overview or explore weather in Colombia.
Popular in December
Where to go in December - average daytime high across popular destinations.
Cartagena
31°C (88°F) Santa Marta
29°C (84°F) San Andrés
29°C (84°F) Cali
27°C (81°F) Medellín24°C (75°F) Pereira24°C (75°F) Bogotá21°C (70°F) Villa de Leyva
21°C (70°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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