San Ignacio Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Ignacio.
Climate overview of San Ignacio
San Ignacio, San José Province, Costa Rica, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 25°C (77°F), peaking in March at 27°C (81°F) and dipping in January to 25°C (77°F).
The city has a wet climate, receiving around 4683 mm (184 in) of rainfall per year. September is the wettest month. The sunniest month is January, with 9.5 hours of sunshine per day on average.
San Ignacio Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Ignacio — and find the best time to visit.
Monthly Temperature in San Ignacio
With minimal seasonal shifts, San Ignacio experiences a constant climate year-round. On average, daytime temperatures range from a comfortable 27°C (81°F) in March to a comfortable 25°C (77°F) in January.
Nighttime temperatures range from 18°C (64°F) in March to 16°C (61°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Ignacio
San Ignacio has a notably wet climate with abundant precipitation, recording 4683 mm (184 in) of rainfall per year. The seasons in San Ignacio bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 643 mm (25 in) of precipitation. This rainfall is distributed across 24 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 70 mm (2.8 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Ignacio Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in San Ignacio
In San Ignacio, summer days are longer and more sunny, with daily sunshine hours peaking at 9.5 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 4.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in San Ignacio by Month
The city experiences its highest humidity in October, reaching 88%. In April, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in San Ignacio
The mean wind speed over the year ranges from 3 m/s (6 knots) in June, September and October to 8 m/s (16 knots) in January. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit San Ignacio
Frequently asked questions about the climate in San Ignacio
What is the best time to visit San Ignacio?
January, February and March typically offer the most optimal weather in San Ignacio. In contrast, May, June, July, August, September, October and November tend to have less optimal conditions.
What temperatures can I expect in San Ignacio?
Daytime highs range from 25°C (77°F) in January to 27°C (81°F) in March. Nighttime lows range from 16°C (61°F) to 18°C (64°F). Temperatures stay relatively stable year-round.
How much rain does San Ignacio get?
Annual rainfall is around 4683 mm (184 in). September is the wettest month with 643 mm (25 in), while February is the driest with 70 mm (2.8 in).
How sunny is San Ignacio?
San Ignacio receives around 2,440 hours of sunshine per year. January is the sunniest month with 285 hours, while June is the cloudiest with just 144 hours. Overall, San Ignacio enjoys abundant sunshine.
San Ignacio 3-Day Forecast
San Ignacio 3-Day Forecast
San Ignacio on the map
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