Weather by month in Guanacaste

Guanacaste is a region in Costa Rica. Many people wonder what the weather conditions are in Guanacaste over the year. What is the best time to visit Guanacaste?

This page shows the average weather conditions by month in Guanacaste over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Guanacaste is generally perfect. The temperatures range from high in Nuevo Arenal with 28°C to very high in Nicoya with 33°C. 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 Guanacaste in January here.

In February the weather in Guanacaste ranges from tolerable in Nicoya to perfect in Tamarindo. The temperatures range from high in Nuevo Arenal with 28°C to very high in Nicoya with 35°C. 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 Guanacaste in February here.

In March the weather in Guanacaste ranges from tolerable in Nicoya to perfect in Tamarindo. The temperatures range from high in Nuevo Arenal with 30°C to very high in Nicoya with 35°C. 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 Guanacaste in March here.

In April the weather in Guanacaste ranges from poor in Nicoya to perfect in Coco. The average maximum daytime temperatures are very high and range from 31°C in Puerto Coyote to 36°C in Nicoya. On average, this month is one of the warmest months of the year in Guanacaste. So be prepared and make sure to dress lightly.

Find more detailed climate information for Guanacaste in April here.

In May the weather in Guanacaste ranges from poor in Tamarindo to unpleasant in La Cruz. The temperatures range from high in Puerto Coyote with 30°C to very high in Liberia with 33°C. 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 Guanacaste in May here.

In June the weather in Guanacaste is generally poor. The temperatures range from high in Puerto Coyote with 29°C to very high in Nicoya with 32°C. 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 Guanacaste in June here.

In July the weather in Guanacaste ranges from poor in Sámara to pleasant in La Cruz. The temperatures range from high in Nuevo Arenal with 29°C to very high in Nicoya with 32°C. 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 Guanacaste in July here.

In August the weather in Guanacaste ranges from poor in Tamarindo to tolerable in Ocotal. The temperatures range from high in Puerto Coyote with 29°C to very high in Nicoya with 32°C. 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 Guanacaste in August here.

In September the weather in Guanacaste is generally poor. The temperatures range from high in Puerto Coyote with 29°C to very high in Nicoya with 31°C. 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 Guanacaste in September here.

In October the weather in Guanacaste is generally poor. The temperatures range from high in Puerto Coyote with 29°C to very high in Nicoya with 31°C. On average, this month is the coldest month of the year in Guanacaste.

Find more detailed climate information for Guanacaste in October here.

In November the weather in Guanacaste ranges from poor in Nosara to pleasant in Fortuna. The temperatures range from high in Nuevo Arenal with 28°C to very high in Nicoya with 31°C. 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 Guanacaste in November here.

In December the weather in Guanacaste ranges from pleasant in Sámara to perfect in Tamarindo. The temperatures range from high in Nuevo Arenal with 28°C to very high in Nicoya with 32°C. 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 Guanacaste in December here.