Arenal
26°79°
Rain and Humid
Feels Like: 27°80°
Min: 24°75°
Max: 30°86°
The next few hours will be humid and mostly cloudy, with today reaching 30°C and dropping to 24°C. The coming days will be light rain
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Air quality is satisfactory, and air pollution poses little or no risk.
06:16
Sunrise
18:06
Sunset
06:52
Moonrise
18:54
Moonset
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View stargazing scoreWeather in Arenal today, October 11, 2026
Arenal starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.Arenal starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.
The temperature range runs from about 24°C up to 30°C. Relative humidity sits between 95% and 99%, reaching its peak around 21:00. Expect gentle winds, highest near 16:00 at 3 km/h.The temperature range runs from about 75°F up to 86°F. Relative humidity sits between 95% and 99%, reaching its peak around 21:00. Expect gentle winds, highest near 16:00 at 2 mph.
Through the afternoon wet weather remains a factor, with rain chances near 100% around 16:00. Cloud also stays substantial, close to 100% near 19:00. Expect visibility near 14.5 km, with poorer spells close to 5.8 km. Expect sunrise at 06:16, sunset at 18:06, and 11 hours 50 minutes of sunlight today overall.Through the afternoon wet weather remains a factor, with rain chances near 100% around 16:00. Cloud also stays substantial, close to 100% near 19:00. Expect visibility near 9 mi, with poorer spells close to 3.6 mi. Expect sunrise at 06:16, sunset at 18:06, and 11 hours 50 minutes of sunlight today overall.
The practical takeaway for Arenal on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 30°C.The practical takeaway for Arenal on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 86°F.
Frequently asked questions about weather in Arenal
How warm does it get in Arenal?
The warmest month in Arenal is March, with average high temperatures of 32°C. The average temperature during this period is around 27°C.The warmest month in Arenal is March, with average high temperatures of 90°F. The average temperature during this period is around 80°F.
How cold does it get in Arenal?
The coldest month in Arenal is January, with average low temperatures of 22°C. The average temperature during this period is around 25°C.The coldest month in Arenal is January, with average low temperatures of 71°F. The average temperature during this period is around 78°F.
What is the wettest time of year in Arenal?
The wettest month in Arenal is October, with an average of 506 mm of precipitation.The wettest month in Arenal is October, with an average of 19.9 in of precipitation.
What is the driest time of year in Arenal?
The driest month in Arenal is February, with an average of 16 mm of precipitation.The driest month in Arenal is February, with an average of 0.6 in of precipitation.