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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Colombia, check out our San Gil's climate page.
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
*
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 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
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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Colombia, check out our San Gil's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Gil climate overview or explore weather in Colombia.
