Guanacaste Province · Costa RicaSummit weather, forecast and climate

Arenal Volcano

Stratovolcano · last major eruption 20001,670 m

Elevation1,670 mabove sea level

Prominence–independent height

Isolation41 kmto a higher summit

Summit, Jul21°average high

10.46° N, 84.70° WElevation 1,670 mUTC−6 · Central Standard Time

From the valley to the top

Freezing level in October: above the summit

iThe mountain

Arenal Volcano in brief

Arenal Volcano rises to 1,670 m, Guanacaste Province, Costa Rica.

At the summit, April is the mildest month with average highs of 23°, while nights rarely fall below freezing.

The nearest town in the atlas is Tejona, 29 km to the W at 649 m.

iiForecast

Temperatures are adjusted to each height; summits are usually colder and windier than the valley forecast suggests.

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iiiSummit climate

Climate normals for the summit area (~1 km grid), station-adjusted

Climate normals for Arenal Volcano by month
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high	20°	21°	22°	23°	22°	21°	21°	21°	21°	21°	20°	20°
Average low	14°	14°	14°	15°	16°	16°	16°	16°	16°	16°	15°	14°
Precipitation	253 mm	142 mm	104 mm	99 mm	342 mm	458 mm	483 mm	491 mm	470 mm	507 mm	397 mm	355 mm
Cloud cover	47%	38%	34%	42%	69%	78%	79%	75%	72%	72%	69%	57%
Daylight	11h 35	11h 48	12h 04	12h 21	12h 36	12h 44	12h 41	12h 28	12h 11	11h 54	11h 39	11h 31
Month score	60	64	70	68	51	47	47	48	50	50	51	56

Average height of the 0 °C level from the summit normals (6.5 °C per km); snow months have a summit mean at or below +1 °C

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Freezing level	4,300 m	4,350 m	4,450 m	4,600 m	4,600 m	4,550 m	4,500 m	4,500 m	4,500 m	4,450 m	4,350 m	4,300 m
Summit	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C	above 0 °C