Climate Insights for San Ignacio

The climate in San Ignacio is hot. The average annual temperature is 26°C and approximately 1175mm of precipitation falls per year. San Ignacio receives a notable amount of rainfall throughout the year, including during its driest month. San Ignacio is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, August. The coldest months are January, December, February, when temperatures can drop to 19°C.

San Ignacio sees moderate temperature variation throughout the year, ranging from 19°C to 34°C. The warmest month is May, when average highs reach 34°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 19°C and an average of 23°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 2°C shift in average temperatures.

San Ignacio is a moderately rainy area, receiving approximately 1175mm of precipitation annually, which averages out to around 98mm per month. The wettest month is October, averaging 179mm of rainfall. June and September also tend to see above-average precipitation. The driest month is March, with just 35mm. That's 144mm less than October, 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.

San Ignacio is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in San Ignacio, which began on June 21, 2026. San Ignacio is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 34°C, while the coldest stretch bottoms out in January near 19°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit San Ignacio is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 52mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 34°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

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.