Climate and monthly weather forecastPasto, Colombia

The climate of Pasto

Enveloped in the sphere of a Mediterranean climate with a warm summer - a categorization stipulated by the Köppen climate classification as Csb, the city of Pasto in Colombia witnesses a unique mix of weather conditions year-round. The area is known for its moderate weather where the temperatures remain remarkably consistent throughout the year, hovering around highs between 20.2°C (68.4°F) to 22.4°C (72.3°F) and touching lows from 12°C (53.6°F) to 12.9°C (55.2°F).

Humidity, not a stranger to this territory, flaunts a yearly average fluctuating from a moist 71% to a damp 87%. Precipitation, a noteworthy aspect of Pasto's climate, varies from 72mm (2.83") to a more abundant 209mm (8.23"), rendering a significant number of rainfall days spanning from 22.4 to 29.1 days each month. This frequent rainfall coincides with a limited amount of daylight, with only a slight variation throughout the year, between 12.1 hours to 12.2 hours.

Yet amid the prominent cloud coverage, from 28% to 59%, the city often receives a fair share of sunshine. An average of sunshine hours ranges from a less luminous 6.5 hours to a more radiant 9.9 hours, accounting for 1.4 to 3.3 sunlit days in a month. Such factors combined yield a moderate UV index oscillating between 4 and 5, requiring mindful precautions in outdoor activities. From a wind perspective, average wind speeds annually vary from 3.5km/h (2.2mph) to 7.1km/h (4.4mph), with gust wind speeds striking up to 11.5km/h (7.1mph), causing minor effect on daily life.

The best time to visit Pasto

Considering weather parameters, the optimal time to visit Pasto materializes arguably from June to September. During these months, rainfall is at its lowest, descending to a mere 72mm (2.83") to 81mm (3.19"), which in turn brings down the number of rainfall days to a more manageable range of 22.4 to 24.3 days. Consequently, the humidity decreases as well, rendering a drier weather climate with readings from 71% to 77%.

Coinciding with reduced rainfall, the city experiences extended periods of sunshine, casting 8.4 to 9.9 hours daily. This period also hosts an increased frequency of sunlit days as high as 3.3 days per month. As a result, there is an increase in visibility up to 9km (5.6mi), making it an ideal time for sightseeing and outdoor activities. It is also worth noting that the average wind speeds increase during this period, peaking around 7.1km/h (4.4mph) in July.

The worst time to visit Pasto

February to April can potentially be less attractive for travel plans due to the heightened rainfall. Within these months, precipitation spikes reach 149mm (5.87") to a formidable 209mm (8.23"). An increase in rainfall directly corresponds to the higher number of rainfall days, reaching figures as high as 28 to 28.4 days. This period also sees the highest levels of humidity, averaging between 85% and 86%.

Furthermore, the number of sunshine hours dips to 6.5, limiting opportunities for outdoor activities. Fewer sunny days are also registered, residing around merely 1.4 to 1.7 days. Despite these restrictions, temperatures maintain their consistency, ranging from lows of 12.7°C (54.9°F) to 12.9°C (55.2°F) and highs from 20.5°C (68.9°F) to 20.6°C (69.1°F).

Spring weather in Pasto

Spring in Pasto unveils a humble combination of highs reaching up to 20.9°C (69.6°F) in May and lows averaging between 12.5°C (54.5°F) and 12.7°C (54.9°F). Rainfall begins to decrease in this season, with averages moving from 209mm (8.23") in March to 159mm (6.26") in May. The number of rainfall days fluctuates between 28 and 28.7. Humidity also drops somewhat to 83% by the end of spring and sunshine hours increase to about 7.1 hours a day, with the number of sunny days rising to 1.8.

Summer weather in Pasto

The summer season is observed from June to August, with temperatures recording a pleasant spectrum from 12°C (53.6°F) to 12.1°C (53.8°F) and reaching highs from 21.6°C (70.9°F) to 22.4°C (72.3°F). Furthermore, this season can afford visitors the driest conditions, as rainfall quantities lessen considerably to 72mm (2.83") to 81mm (3.19") and Humidity also takes a dip, measuring from 71% to 77%.

The duration of daylight hours remains consistent at 12.2 hours, thereby encouraging a boost in sunshine hours to 8.4 hours in June and peaking at 8.9 hours in August. The wind becomes more noticeable with a maximum recorded speed of 7.6km/h (4.7mph) in July.

Autumn weather in Pasto

Autumn in Pasto presents a comfortable weather scenario, with temperatures bringing autumnal chills as lows descend to 12.3°C (54.1°F) and highs oscillate around 22.3°C (72.1°F). The town also witnesses a decrease in the number of sunlit days to 3.1 with the arrival of autumn. Rainfall return to higher averages from 85mm (3.35") in September to 198mm (7.8") by November, effectively increasing the number of rainy days from 23.1 to 29.1. Meanwhile, wind speed lessens to 5.2km/h (3.2mph).

Winter weather in Pasto

The winter period ushered in December brings temperatures ranging between 12.3°C (54.1°F) to 12.4°C (54.3°F) and elevating to an average of 20.2°C (68.4°F). Rainfall remains considerable during this season, hovering at about 162mm (6.38") in December to 202mm (7.95") in January. Furthermore, cloud cover increases significantly, reaching up to 59% by January. Concurrently, humidity rises to 87%, marking one of the moistest periods throughout the year. Correspondingly, sunshine hours drop to 7.2 hours and sunny days to 1.8, with an average UV index of 4.

Weather in January

January ushers in the new year with relatively dry weather in Pasto, Colombia, marked by a notable decrease in rainfall from 202mm (7.95") in December to 126mm (4.96"). The warm weather breeze graces Pasto, offering residents and tourists a peak into the town's fascinating weather. Weather in January »

Weather in February

The weather in February experiences a shift from the previous month. Apart from the slight increase in rainfall, from 126mm (4.96") in January to 149mm (5.87"), February sees a drop in wind speed. Pasto, in February, exudes warmth and sun in spite of the slight rise in humidity. Weather in February »

Weather in March

The onset of March introduces an uptick in rainfall, from 149mm (5.87") in February to 189mm (7.44"), characterizing this month as generally wet. The city of Pasto, renowned for its distinctive weather, transitions into this relatively high humidity month, bringing with it an increased cloud cover. Weather in March »

Weather in April

April in Pasto, Colombia marks the climax of the rainy season, with rainfall hitting a high of 209mm (8.23") from 189mm (7.44") in March. Despite the increased rainfall, the city bathes in an unchanged amount of sunshine and daylight as the previous month. Weather in April »

Weather in May

May in Pasto greets the residents with a significant drop in rainfall from 209mm (8.23") in April to 159mm (6.26"), signaling the end of the rainy season. This month is notably warmer leading to a reduction in relative humidity. The reduction in cloud cover allows for more sunlight reaching the ground. Weather in May »

Weather in June

June in Pasto brings about an appreciable change in weather, where the city sees the least rainfall, dropping to 81mm (3.19") from 159mm (6.26") in May. Accompanied by this decline in rainfall is the lowered relative humidity from the previous months. Weather in June »

Weather in July

Pasto in July experiences a continuum in the weather pattern from June, with the city receiving a minimal increase in rainfall to 78mm (3.07"). The weather conditions remain fairly constant from the previous month, projecting an even distribution of daylight hours and moderate temperatures. Weather in July »

Weather in August

In August, Pasto records a slight increase in rainfall from 78mm (3.07") in July to 72mm (2.83"). But, the month distinguishes itself with the least cloud coverage compared to other months. Sleeves rolled up, the locals navigate through the warm and sunny days. Weather in August »

Weather in September

September witnesses another surge in rainfall reaching 85mm (3.35"), up from 72mm (2.83") in August. Despite the increase in rainfall, the city does not compromise on the sunshine hours and daylight. During this month, Pasto experiences the most sunshine, a definite treat for those who enjoy the warmth. Weather in September »

Weather in October

The weather in Pasto over October reveals a drastic increase in rainfall to 198mm (7.8"), following the 85mm (3.35") in September. This shift indicates the onset of the rainy season. Humidity reaches its peak value with fairly cool temperatures countering the increased cloud cover. Weather in October »

Weather in November

November in Pasto is marked by the highest levels of rainfall, increasing from 198mm (7.8") in October to 202mm (7.95"). The dependably warm temperature carries on, while the relative humidity reaches a yearly high. The city's atmospheric pressure stands constant, even with these changes. Weather in November »

Weather in December

December in Pasto denotes a slight decrease in rainfall from 202 in November to 162mm (6.38"). Even with this decrease, the month remains predominantly rainy. The temperatures stay relatively constant from November, keeping the warmth of the city preserved. Weather in December »