Río Segundo Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Río Segundo.
Climate overview of Río Segundo
Río Segundo, Alajuela, Costa Rica, enjoys a steady climate throughout the year, with daytime temperatures typically around 25°C (77°F). April is the warmest month at 26°C (79°F), while January is the coolest at 24°C (75°F).
Rainfall is high, totalling around 2808 mm (111 in) per year. October is the wettest month and March the driest. The city also experiences a distinct rainy season from May to December. March is the sunniest month, averaging 9.5 hours of sunshine per day.
Río Segundo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Río Segundo - and find the best time to visit.
Monthly Temperature in Río Segundo
The temperature in Río Segundo remains steady throughout the year, providing a consistently comfortable climate. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in April, the warmest time of the year, to a comfortable 24°C (75°F) during cooler months like January.
At night, you can expect temperatures ranging from 19°C (66°F) in April to around 16°C (61°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Río Segundo
Río Segundo has a relatively rainy climate with high precipitation levels, averaging 2808 mm (111 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 351 mm (14 in) of precipitation, recorded across 23 rainy days. In contrast, the driest month March brings less rainfall, with 75 mm (3 in) over 8 rainy days. For more details, please visit our Río Segundo Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Río Segundo
Seasonal changes in sunshine hours are quite dramatic in Río Segundo. While March receives considerable daily sunshine with up to 9.5 hours, June marks the darkest time of the year, where sunshine is scarce with only 4.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Río Segundo by Month
The relative humidity is high throughout the year in Río Segundo.
The city experiences its highest humidity in October, reaching 87%. In March, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Río Segundo
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: February and March
- Warmest weather: March, April, May, June, July, August, September and October
- Most sunshine: January and March
- Fewest rainy days: February and March
- Seasonal pattern: A distinct rainy season from May to December
Frequently asked questions about the climate in Río Segundo
What is the best time to visit Río Segundo?
February and March typically offer the most optimal weather in Río Segundo. In contrast, May, June, July, August, September, October and November tend to have less optimal conditions. Río Segundo has a distinct rainy season from May to December.
What temperatures can I expect in Río Segundo?
Daytime highs range from 24°C (75°F) in January to 26°C (79°F) in April. Nighttime lows range from 16°C (61°F) to 19°C (66°F). Temperatures stay relatively stable year-round.
How much rain does Río Segundo get?
Annual rainfall is around 2808 mm (111 in). October is the wettest month with 351 mm (14 in), while March is the driest with 75 mm (3 in).
How sunny is Río Segundo?
Río Segundo receives around 2,446 hours of sunshine per year. March is the sunniest month with 284 hours, while June is the cloudiest with just 145 hours. Overall, Río Segundo enjoys abundant sunshine.
Río Segundo 3-Day Forecast
Río Segundo on the map
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