Climate Overview
The climate in San Ignacio is temperate. The average annual temperature is 17°C and approximately 2220mm of precipitation falls per year. San Ignacio receives a notable amount of rainfall throughout the year, including during its driest month. San Ignacio sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
San Ignacio sees moderate temperature variation throughout the year, ranging from 11°C to 22°C. November is the warmest month, though highs remain moderate at 22°C with a mean of 17°C. July is the coolest month, with minimum temperatures around 11°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
San Ignacio is a very wet location, receiving approximately 2220mm of precipitation annually, which averages out to around 185mm per month. The wettest month is February, averaging 315mm of rainfall. March and January also tend to see above-average precipitation. The driest month is August, with just 68mm. That's 247mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
San Ignacio is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
3 days until Winter
It is currently autumn in San Ignacio, which began on March 20, 2026. San Ignacio sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 22°C, while the coldest stretch bottoms out in July near 11°C. Winter is next, beginning on June 21, 2026 — 3 days from now.
Spring
Temperatures range from 12 to 22°C. Rainfall is heavy, totalling around 430mm across the season with a monthly average of 143mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 14 to 22°C. Rainfall is heavy, totalling around 876mm across the season with a monthly average of 292mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 13 to 22°C. Rainfall is heavy, totalling around 663mm across the season with a monthly average of 221mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 11 to 20°C. Precipitation is moderate at around 251mm for the season, averaging 84mm per month. Winds are generally light, averaging 1km/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 San Ignacio is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 74mm per month. By contrast, November can be uncomfortably hot with highs reaching 22°C, while July is the coldest period with lows dropping to 11°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for San Ignacio 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. 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.
