Climate Insights for Arenal Santa Ana

The climate in Arenal Santa Ana is hot. The average annual temperature is 26°C and approximately 2,040 mm of precipitation falls per year. September is the wettest month, receiving around 356 mm of rainfall. Arenal Santa Ana is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are January, December, February, when temperatures can drop to 18°C.The climate in Arenal Santa Ana is hot. The average annual temperature is 79°F and approximately 80.3 in of precipitation falls per year. September is the wettest month, receiving around 14 in of rainfall. Arenal Santa Ana is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, June. The coldest months are January, December, February, when temperatures can drop to 65°F.

Arenal Santa Ana sees moderate temperature variation throughout the year, ranging from 18°C to 36°C. May is the hottest month, with daytime highs reaching 36°C and an average of 30°C. January is the coolest month, with minimum temperatures around 18°C and an average of 22°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.Arenal Santa Ana sees moderate temperature variation throughout the year, ranging from 65°F to 96°F. May is the hottest month, with daytime highs reaching 96°F and an average of 86°F. January is the coolest month, with minimum temperatures around 65°F and an average of 72°F. On average, daily temperatures fluctuate by about 17°F between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 5°F shift in average temperatures.

Arenal Santa Ana is a very wet location, receiving approximately 2,040 mm of precipitation annually, which averages out to around 170 mm per month. The wettest month is September, averaging 356 mm of rainfall. August and June also tend to see above-average precipitation. The driest month is March, with just 25 mm. That's 331 mm less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Arenal Santa Ana is a very wet location, receiving approximately 80.3 in of precipitation annually, which averages out to around 6.7 in per month. The wettest month is September, averaging 14 in of rainfall. August and June also tend to see above-average precipitation. The driest month is March, with just 1 in. That's 13 in less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Arenal Santa Ana is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.Arenal Santa Ana is mildly breezy, with an average annual wind speed of 4mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 5mph, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2mph gap between the calmest and windiest months.

The best time to visit Arenal Santa Ana is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 54 mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 36°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Arenal Santa Ana is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 73°F with modest rainfall averaging 2.1 in per month. By contrast, May can be uncomfortably hot with temperatures reaching 96°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Arenal Santa Ana based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Arenal Santa Ana based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.