Climate Overview
The climate in Puerto Santander is cool. The average annual temperature is 5°C and approximately 149mm of precipitation falls per year. March is the wettest month, receiving around 33mm of rainfall. Puerto Santander sits near the equator, so seasonal temperature differences are minimal throughout the year. Light snow can occur between November and December.
Temperature
Temperatures in Puerto Santander vary considerably across the year, with a 21°C difference between the coldest and warmest months. February is the warmest month, though highs remain moderate at 21°C with a mean of 14°C. The coldest month is December, when overnight lows fall to 0°C and the daily average is 0°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between March and April, with a 9°C shift in average temperatures.
Precipitation
Puerto Santander is a quite dry location, receiving approximately 149mm of precipitation annually, which averages out to around 12mm per month. The wettest month is January, averaging 33mm of rainfall. February and March also tend to see above-average precipitation. The driest month is April, with just 0mm. That's 33mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between November and December, totalling around 21cm annually. December is the snowiest month with approximately 12cm.
Wind
Puerto Santander is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
16 days until Autumn
It is currently summer in Puerto Santander, which began on June 21, 2026. Puerto Santander sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 21°C, while the coldest stretch bottoms out in December near 0°C. Autumn is next, beginning on September 23, 2026 — 16 days from now.
Spring
Temperatures range from 3 to 19°C. Precipitation is minimal, with only around 33mm for the entire season. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 1 to 6°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 4km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 2°C. Precipitation is minimal, with only around 37mm for the entire season. Expect around 9cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 0 to 21°C. Rainfall is relatively light, with around 79mm over the season and a monthly average of 26mm. Expect around 12cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Puerto Santander is during March, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 33mm per month. By contrast, February can be uncomfortably hot with highs reaching 21°C, while December is the coldest period with lows dropping to 0°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Puerto Santander based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.