When planning a visit to Rio San Juan Region in Nicaragua, it helps to know that temperatures typically range from 28°C (82°F) in January up to 32°C (90°F) during the peak of April. Our detailed climate overview is based on data from El Castillo de La Concepción, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Year-round, Rio San Juan Region, especially El Castillo de La Concepción, sees high temperatures, with maximum averages consistently above 28°C (82°F).
April, May and September are generally the hottest months of the year.
When it comes to rainfall, Rio San Juan Region sees significant variations throughout the year. June tends to be the wettest, receiving 332 mm (13 in) of rain, while March is much drier with just 59 mm (2.3 in). Travelers should note that the rainy season falls during May, June, July, August, September, October and November, bringing substantial precipitation ranging from 236 mm (9.3 in) to 332 mm (13 in) monthly.
