Arenal
23°74°
Humid and Overcast
Feels Like: 24°75°
Min: 23°73°
Max: 26°79°
The next few hours will be humid and overcast, with tomorrow reaching 29°C and dropping to 22°C. The coming days will be light rain
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Air quality is satisfactory, and air pollution poses little or no risk.
06:10
Sunrise
18:00
Sunset
06:47
Moonrise
18:48
Moonset
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View stargazing scoreWeather in Arenal tomorrow, October 12, 2026
Rain features in Arenal on October 12, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 88% around 11:00. Cloud cover is also at its densest near 00:00 at roughly 98%.Rain features in Arenal on October 12, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 88% around 11:00. Cloud cover is also at its densest near 00:00 at roughly 98%.
Temperatures climb from an overnight low near 23°C toward a daytime high of about 29°C. Relative humidity sits between 68% and 99%, reaching its peak around 00:00. Airflow remains manageable, reaching about 13 km/h around 04:00.Temperatures climb from an overnight low near 73°F toward a daytime high of about 84°F. Relative humidity sits between 68% and 99%, reaching its peak around 00:00. Airflow remains manageable, reaching about 8 mph around 04:00.
The second half of the day still looks unsettled, with rain probability around 98% by 14:00. Dense cloud near 98% at 17:00 keeps the feel grey. Visibility stays generally good near 15.4 km on average, though it can drop toward 11.2 km in thicker cloud or showers. Sunrise is at 06:10 and sunset at 18:00, giving 11 hours 49 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 98% by 14:00. Dense cloud near 98% at 17:00 keeps the feel grey. Visibility stays generally good near 9.5 mi on average, though it can drop toward 6.9 mi in thicker cloud or showers. Sunrise is at 06:10 and sunset at 18:00, giving 11 hours 49 minutes of sunlight today.
In short, treat October 12, 2026 in Arenal as a damp day: pack covers, watch the wetter hours, and expect a high near 29°C.In short, treat October 12, 2026 in Arenal as a damp day: pack covers, watch the wetter hours, and expect a high near 84°F.
Frequently asked questions about weather in Arenal
How warm does it get in Arenal?
The warmest month in Arenal is April, with average high temperatures of 31°C. The average temperature during this period is around 26°C.The warmest month in Arenal is April, with average high temperatures of 87°F. The average temperature during this period is around 79°F.
How cold does it get in Arenal?
The coldest month in Arenal is January, with average low temperatures of 23°C. The average temperature during this period is around 25°C.The coldest month in Arenal is January, with average low temperatures of 73°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 June, with an average of 333 mm of precipitation.The wettest month in Arenal is June, with an average of 13.1 in of precipitation.
What is the driest time of year in Arenal?
The driest month in Arenal is February, with an average of 45 mm of precipitation.The driest month in Arenal is February, with an average of 1.8 in of precipitation.