Rio San Juan Region Weather by Month: Temperature & Rainfall Guide

In January the weather in Rio San Juan Region ranges from very good in El Castillo de La Concepción to excellent in San Carlos. In El Castillo de La Concepción you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 22°C (72°F). On average, this month is the coldest month of the year in Rio San Juan Region.

Find more detailed climate information for Rio San Juan Region in January here.

In February the weather in Rio San Juan Region ranges from very good in San Carlos to excellent in El Castillo de La Concepción. In El Castillo de La Concepción you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 22°C (72°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in February here.

In March the weather in Rio San Juan Region is generally very good. In El Castillo de La Concepción you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 22°C (72°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in March here.

In April the weather in Rio San Juan Region is generally very good. In El Castillo de La Concepción you can expect very warm maximum average daytime temperatures around 32°C (90°F) and nighttime temperatures around 23°C (73°F). On average, this month is one of the warmest months of the year in Rio San Juan Region. So be prepared and make sure to dress lightly.

Find more detailed climate information for Rio San Juan Region in April here.

In May the weather in Rio San Juan Region is generally less favorable. In El Castillo de La Concepción you can expect very warm maximum average daytime temperatures around 32°C (90°F) and nighttime temperatures around 24°C (75°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in May here.

In June the weather in Rio San Juan Region is generally less favorable. In El Castillo de La Concepción you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 24°C (75°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in June here.

In July the weather in Rio San Juan Region is generally less favorable. In El Castillo de La Concepción you can expect very warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 23°C (73°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in July here.

In August the weather in Rio San Juan Region is generally less favorable. In El Castillo de La Concepción you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 23°C (73°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in August here.

In September the weather in Rio San Juan Region is generally less favorable. In El Castillo de La Concepción you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 23°C (73°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in September here.

In October the weather in Rio San Juan Region is generally less favorable. In El Castillo de La Concepción you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 23°C (73°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in October here.

In November the weather in Rio San Juan Region ranges from less favorable in El Castillo de La Concepción to mixed in San Carlos. In El Castillo de La Concepción you can expect warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 23°C (73°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in November here.

In December the weather in Rio San Juan Region is generally very good. In El Castillo de La Concepción you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 22°C (72°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Rio San Juan Region in December here.