Flag for Costa Rica

Climate & Weather Averages in Arenal Volcano National Park, Costa Rica

Currently: 73 °F. Sunny. (Weather station: Tobias Bolanos International, Costa Rica). See more current weather

Annual Weather Averages in Tobias Bolanos International

Tobias Bolanos International is 52 miles from Arenal Volcano National Park, so the actual climate in Arenal Volcano National Park can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
82
65
2.82
Feb
83
65
1.84
Mar
85
66
1.78
Apr
86
67
4.7
May
83
68
10.12
Jun
83
67
11.16
Jul
83
67
9.26
Aug
83
66
10.62
Sep
82
65
11.62
Oct
81
65
12.39
Nov
81
65
7.92
Dec
82
65
4.82

All Year Climate & Weather Averages in Arenal Volcano National Park

High Temp: 86 °F

Low Temp: 65 °F

Mean Temp: 74 °F

Precipitation: 7.42"

Humidity: 68%

Dew Point: 63 °F

Wind: 20 mph

Pressure: 29.89 "Hg

Visibility: 6 mi

January Climate & Weather Averages in Arenal Volcano National Park

High Temp: 82 °F

Low Temp: 65 °F

Mean Temp: 74 °F

Precipitation: 2.82"

Humidity: 62%

Dew Point: 59 °F

Wind: 28 mph

Pressure: 29.91 "Hg

Visibility: 7 mi

February Climate & Weather Averages in Arenal Volcano National Park

High Temp: 83 °F

Low Temp: 65 °F

Mean Temp: 74 °F

Precipitation: 1.84"

Humidity: 59%

Dew Point: 58 °F

Wind: 29 mph

Pressure: 29.91 "Hg

Visibility: 7 mi

March Climate & Weather Averages in Arenal Volcano National Park

High Temp: 85 °F

Low Temp: 66 °F

Mean Temp: 76 °F

Precipitation: 1.78"

Humidity: 58%

Dew Point: 59 °F

Wind: 27 mph

Pressure: 29.90 "Hg

Visibility: 7 mi

April Climate & Weather Averages in Arenal Volcano National Park

High Temp: 86 °F

Low Temp: 67 °F

Mean Temp: 76 °F

Precipitation: 4.70"

Humidity: 61%

Dew Point: 61 °F

Wind: 23 mph

Pressure: 29.88 "Hg

Visibility: 7 mi

May Climate & Weather Averages in Arenal Volcano National Park

High Temp: 83 °F

Low Temp: 68 °F

Mean Temp: 76 °F

Precipitation: 10.12"

Humidity: 73%

Dew Point: 65 °F

Wind: 16 mph

Pressure: 29.88 "Hg

Visibility: 6 mi

June Climate & Weather Averages in Arenal Volcano National Park

High Temp: 83 °F

Low Temp: 67 °F

Mean Temp: 75 °F

Precipitation: 11.16"

Humidity: 74%

Dew Point: 65 °F

Wind: 15 mph

Pressure: 29.89 "Hg

Visibility: 6 mi

July Climate & Weather Averages in Arenal Volcano National Park

High Temp: 83 °F

Low Temp: 67 °F

Mean Temp: 75 °F

Precipitation: 9.26"

Humidity: 71%

Dew Point: 64 °F

Wind: 18 mph

Pressure: 29.90 "Hg

Visibility: 6 mi

August Climate & Weather Averages in Arenal Volcano National Park

High Temp: 83 °F

Low Temp: 66 °F

Mean Temp: 74 °F

Precipitation: 10.62"

Humidity: 72%

Dew Point: 64 °F

Wind: 17 mph

Pressure: 29.90 "Hg

Visibility: 6 mi

September Climate & Weather Averages in Arenal Volcano National Park

High Temp: 82 °F

Low Temp: 65 °F

Mean Temp: 74 °F

Precipitation: 11.62"

Humidity: 76%

Dew Point: 65 °F

Wind: 14 mph

Pressure: 29.89 "Hg

Visibility: 6 mi

October Climate & Weather Averages in Arenal Volcano National Park

High Temp: 81 °F

Low Temp: 65 °F

Mean Temp: 73 °F

Precipitation: 12.39"

Humidity: 77%

Dew Point: 65 °F

Wind: 13 mph

Pressure: 29.89 "Hg

Visibility: 6 mi

November Climate & Weather Averages in Arenal Volcano National Park

High Temp: 81 °F

Low Temp: 65 °F

Mean Temp: 73 °F

Precipitation: 7.92"

Humidity: 73%

Dew Point: 63 °F

Wind: 18 mph

Pressure: 29.88 "Hg

Visibility: 6 mi

December Climate & Weather Averages in Arenal Volcano National Park

High Temp: 82 °F

Low Temp: 65 °F

Mean Temp: 74 °F

Precipitation: 4.82"

Humidity: 66%

Dew Point: 61 °F

Wind: 25 mph

Pressure: 29.89 "Hg

Visibility: 7 mi

Quick Climate Info

Hottest MonthApril (76 °F avg)
Coldest MonthNovember (73 °F avg)
Wettest MonthOctober (12.39" avg)
Windiest MonthFebruary (29 mph avg)
Annual precip.89.05" (per year)

Weather by CustomWeather, © 2025