December Weather in Pasto, Colombia

Last updated: August 21, 2025

In Pasto, Colombia, the weather in December offers a unique blend of cool temperatures and frequent rainfall. With maximum temperatures peaking at 22°C (72°F) and an average of 14°C (58°F), the climate remains mild, making it a comfortable time for outdoor activities, despite the minimum lows dipping to 7°C (45°F). December experiences significant precipitation, totaling 237 mm (9.3 in) across 27 days, which contributes to the region's lush landscapes but may necessitate preparation for travelers. The humidity levels soar at 85%, adding to the rich, vibrant atmosphere of the city during this month.

December Temperature in Pasto

In December, Pasto, Colombia, experiences a subtle yet comforting consistency in its temperatures, making it an inviting destination during this time of year. The minimum temperature hovers around 7°C (45°F), while the average settles at a steady 14°C (58°F), and the maximum reaches a mild 22°C (72°F). This month marks a slight decline from the warmer spells of previous months, as the city transitions into its cooler season. Notably, the temperature range remains comfortably narrow, providing a pleasant climate that visitors can enjoy while exploring the stunning landscapes and rich culture of the region. As the year draws to a close, the welcoming temperatures of December make it an ideal time to experience all that Pasto has to offer.

December Weather in Pasto: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Pasto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pasto, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec575858585857575758585858
Data source: Temperature data for Pasto generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Pasto

In December, Pasto, Colombia experiences a significant amount of rainfall, with 237 mm (9.3 in) accumulating over 27 days of precipitation. This mirrors the rainy pattern observed throughout the preceding months, particularly with November's robust total of 266 mm. Interestingly, December marks a transition within the wet season, as the precipitation begins to taper off slightly compared to the peak levels earlier in the year, such as March, which recorded 273 mm. Despite this modest decline, the persistent rain underscores the region's tropical climate and ensures the lush landscapes remain vibrant as the year concludes. This consistent rainfall pattern emphasizes the area's dependence on seasonal precipitation, making December a pivotal month for both ecology and agriculture in Pasto.

December Precipitation Trends in Pasto

The chart displays monthly precipitation patterns in Pasto, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Pasto, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec16317327323724117211285102201266237
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Pasto

In Pasto, Colombia, December marks a notable increase in humidity, reaching 85%, a trend consistent with the wet season that takes hold towards the year's end. Following November's 78%, this rise signals the transition to the region's more humid months, as May and June also register high levels of 93%. The data reveals a clear pattern: humidity generally peaks in the late spring and early summer, then begins to taper off in the drier months of August and September, where it dips to a refreshing 53%. Overall, December stands out as a time when the air thickens with moisture, preparing Pasto for the revitalizing wet season ahead.

December Average Humidity in Pasto

This chart illustrates the average monthly humidity levels in Pasto, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Pasto is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%66%74%83%93%93%84%61%53%67%78%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pasto

In December, Pasto, Colombia, experiences a UV Index of 13, maintaining its status within the extreme exposure category. While this marks a slight decline from the higher values seen in earlier months—peaking at 19 in both March and April—the burn time remains a quick 10 minutes, underscoring the necessity for sun protection even as the index dips. Throughout the year, Pasto consistently showcases a high UV risk, with the index frequently soaring to 17 or more, emphasizing the importance of vigilance against harmful solar rays. For detailed insights on the yearly UV patterns, explore Pasto UV Index.

Maximum UV Index Levels in Pasto for December

The chart shows the monthly maximum UV Index (UVI) for Pasto in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Pasto typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171719191714151516171513
Data source: Pasto December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Pasto

In Pasto, Colombia, December dazzles with its 295 hours of sunshine, positioning it as a delightful precursor to the new year. This month stands out amidst a year characterized by an upward trend in sunlight, particularly from the mid-year peak in August, which boasts 315 hours, to the gentle decline moving into the festive months. From March's 271 hours to December, the sunshine steadily brightens, with only a slight dip in November. As the year winds down, the lingering warmth of December's sun creates a vibrant atmosphere, inviting residents and visitors alike to bask in beautiful days before embracing the cooler months ahead.

Monthly Sunshine Duration in Pasto: December Highlighted

The December sunshine duration represents the total number of hours Pasto experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec235h266h271h260h263h266h285h315h309h287h250h295h
Data source: Pasto December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pasto During December

When considering the likelihood of sunny weather in December in Pasto, Colombia, it's notable that the chance of sunshine hovers around 8%. This places December among the months with lower probabilities of sun, similar to November at 9% and well below the peak of 28% in September. The trend reveals that as the year progresses toward the end, sunshine tends to diminish, contrasting sharply with the brighter July and September months. By understanding this pattern, visitors can better prepare for the typically overcast conditions that characterize the festive season in this vibrant city.

Percentage of Sunny Days in December in Pasto

The chart illustrates the percentage of sunny days in Pasto throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Pasto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%7%5%5%12%12%19%14%28%11%9%8%
Data source: Pasto December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pasto in December

In Pasto, Colombia, the daylight duration remains remarkably consistent throughout the year, with each month offering a steady 12 hours of daylight. This uniformity creates an inviting atmosphere for both residents and visitors, as they can reliably plan activities and enjoy the outdoors regardless of the season. As December rolls in, the city continues to bask in the same golden hours enjoyed in earlier months, making it an opportune time for festivities and exploration. The predictability of daylight not only enhances the appeal of Pasto but also underscores its unique climatic features, allowing everyone to savor the beauty of each passing day.

Average Daylight Hours in Pasto for December

The chart illustrates the variation in daylight duration in Pasto throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 2m12h 3m12h 5m12h 7m12h 10m12h 11m12h 10m12h 8m12h 6m12h 4m12h 2m12h 2m
Data source: Pasto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Pasto

In December, Pasto, Colombia experiences a gentle breeze with an average wind speed of 1.3 m/s (3 mph), consistent with the calmer months at the start of the year. As the year unfolds, wind speed gradually increases, peaking in July at 2.4 m/s (5 mph), before tapering off through the later months. This trend illustrates a transition from the quieter conditions experienced in November, where the wind was at its lowest, to a slightly more dynamic atmosphere as the festive season approaches. December's mild winds create a serene backdrop for the city's vibrant celebrations, offering a perfect balance that complements the local charm.

Average December Wind Speed in Pasto

The chart displays monthly wind speed patterns in Pasto, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.51.31.51.61.72.42.12.01.41.21.3 m/s
Data source: Pasto December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Pasto Compares to Other Months

Weather in Pasto varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Pasto, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January both feature mild average temperatures, with December showing a minimum of 7°C (45°F) and a maximum of 22°C (72°F), while January exhibits a slightly lower minimum of 5°C (41°F) and a maximum of 23°C (73°F). Precipitation levels, however, differ significantly; December experiences 237 mm (9.3 in) over 27 days, making it considerably wetter than January, which sees only 163 mm (6.4 in) across 21 days. Additionally, humidity levels drop from 85% in December to a more comfortable 72% in January. For more detailed information, you can check Pasto weather in January.

In December, the weather is characterized by mild temperatures, with a minimum of 7°C (45°F), an average of 14°C (58°F), and a maximum of 22°C (72°F). This month experiences substantial precipitation, totaling 237 mm (9.3 in) over 27 days, contributing to a high humidity level of 85%.

In contrast, February shows a slight increase in maximum temperature, reaching 23°C (74°F), while other temperature metrics remain similar. Precipitation decreases significantly to 173 mm (6.8 in) over 24 days, and humidity drops to 66%, making for a drier environment compared to December. For more information on February weather in Pasto, you can visit Pasto weather in February.

In December, the weather is characterized by mild temperatures with a minimum of 7°C (45°F) and an average of 14°C (58°F), reaching a maximum of 22°C (72°F). This month also experiences significant rainfall, with a total precipitation of 237 mm (9.3 in) spread over 27 days and high humidity levels at 85%.

In contrast, March sees a slight increase in maximum temperatures, peaking at 24°C (75°F), while maintaining a similar minimum and average to December. However, it also brings more precipitation, totaling 273 mm (10.8 in) across 29 days, though the humidity drops to a more comfortable 74%. For a deeper dive into the specifics of March weather, you can check out Pasto weather in March.

In December, the weather features temperatures ranging from a minimum of 7°C (45°F) to a maximum of 22°C (72°F), with an average of 14°C (58°F). This month experiences significant precipitation, measuring 237 mm (9.3 in) over 27 days, and humidity levels are high at 85%. In contrast, April mirrors December's temperature profile, with a minimum of 8°C (47°F) and a maximum of 22°C (72°F), maintaining the same average of 14°C (58°F). However, April has slightly lower humidity at 83% and also receives 237 mm (9.3 in) of rain across 27 days. For more detailed information on April's weather, you can visit Pasto weather in April.

December and May have notably similar average temperatures, both hovering around 14°C (58°F), with maximums of 22°C (72°F). However, December tends to experience slightly cooler minimum temperatures, averaging 7°C (45°F) compared to May's 8°C (48°F). When it comes to precipitation, May sees a marginally higher total at 241 mm (9.5 in) over 28 days, while December has 237 mm (9.3 in) spread across 27 days. Additionally, May boasts a higher humidity level at 93%, contrasted with December's 85%. If you're interested in learning more about the nuances of weather in May, you can visit Pasto weather in May.

In comparing December and June weather, we notice that both months have similar temperature ranges, with minimums around 7°C (45°F), averages at 14°C (58°F), and maximums close to 22°C (72°F). However, December receives significantly more precipitation, totaling 237 mm (9.3 in) over 27 days, compared to June's 172 mm (6.8 in) also spread across 27 days. Humidity levels are slightly higher in June at 93% versus December's 85%, contributing to a somewhat thicker atmosphere during the summer month. For more details, you can check out Pasto weather in June.

When comparing the weather in December and July, we can observe some notable differences despite their similar average temperatures. In December, the temperature ranges from a minimum of 7°C (45°F) to a maximum of 22°C (72°F), with an average of 14°C (58°F). However, this month is characterized by significantly higher precipitation, totaling 237 mm (9.3 in) over 27 days, along with a high humidity level of 85%. In contrast, July experiences a slightly lower temperature range, with a minimum of 6°C (43°F) and the same maximum of 22°C (72°F), resulting in a similar average of 14°C (57°F). Precipitation in July drops to 112 mm (4.4 in) over 22 days, accompanied by a humidity level of 84%. Overall, December tends to be wetter and slightly more humid than July, making July a more pleasant month for outdoor activities. For more details, check out Pasto weather in July.

December and August share similar average temperatures, both hovering around 14°C (58°F), with maximums reaching 22°C (72°F). However, December is characterized by significantly higher precipitation, totaling 237 mm (9.3 in) across 27 rainy days, compared to August's 85 mm (3.4 in) over 17 days. Additionally, the humidity in December is much more pronounced at 85%, while August presents a more comfortable 61%. For a detailed look at August's climatic conditions, you can refer to Pasto weather in August.

In comparing the weather of December and September, December presents a slightly warmer temperature range, with average highs reaching 22°C (72°F), compared to September's peak of 23°C (74°F). However, December experiences significantly more precipitation, totaling 237 mm (9.3 in) over 27 days, while September's rainfall is much lighter at 102 mm (4.0 in) across 19 days. Additionally, December has higher humidity at 85%, offering a dampness that contrasts with September's more comfortable 53% humidity. For more specific insights into September weather, you can visit Pasto weather in September.

In comparing the weather between December and October, we see some notable similarities and differences. Both months share a minimum temperature of 7°C (45°F) and an average temperature of 14°C (58°F). However, October tends to be slightly warmer overall, with a maximum of 24°C (75°F) compared to December's 22°C (72°F). Precipitation levels are higher in December, totaling 237 mm (9.3 in) over 27 days, while October experiences 201 mm (7.9 in) across 26 days, indicating a wetter winter month. Furthermore, December's relative humidity is notably higher at 85%, compared to 67% in October, creating a more humid atmosphere. For more detailed insights on October weather, you can visit Pasto weather in October.

In comparing the weather between November and December, we observe some noteworthy differences. December sees a slight drop in minimum temperatures, with lows of 7°C (45°F) compared to November's 8°C (46°F). While the average temperature remains consistent at 14°C (58°F) for both months, December has a maximum temperature that is slightly lower at 22°C (72°F), compared to November's peak of 23°C (74°F). Precipitation levels are also significant; December experiences 237 mm (9.3 in) of rain over 27 days, though this is somewhat less than November's 266 mm (10.5 in) over the same number of days. Additionally, December has a higher humidity level at 85%, compared to November's 78%. For more detailed insights on November weather, you can visit Pasto weather in November.

Compare Pasto's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Pasto

December in Pasto brings a unique blend of mild temperatures and significant rainfall, standing out from other months with its notably high humidity levels and persistent precipitation. This time of year, the city experiences a cooler average temperature, complemented by frequent gloomy days, which create a cozy and inviting atmosphere for locals and visitors alike. The abundance of rain, spread over nearly every day of the month, contrasts sharply with the drier spells seen in the preceding months. For more detailed insights into the climatic conditions throughout the year, explore Pasto Climate.