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Park climate1991–2020 climate normals381 m source elevationNASA POWER

Detailed twelve month climate normals for temperature, precipitation, and daylight duration

Arenal Volcano National Park Annual Climate: Monthly Averages and Atmospheric Patterns

Examine the long term climate normals for Arenal Volcano National Park, Costa Rica, based on a representative coordinate sampling model from 1991 to 2020. This data provides monthly averages for temperature, daily precipitation rates, relative humidity, wind speed, and daylight hours. These atmospheric measurements offer a clear view of annual patterns at a specific elevation, supporting comparative analysis of conditions throughout the calendar year.

Annual climate pattern

Analyzing twelve months of average temperature ranges alongside shifting daily precipitation trends

Annual Temperature and Precipitation Patterns in Arenal Volcano National Park

Long term climatology shows consistent warmth throughout the year, with monthly mean temperatures peaking in April at 27.29 degrees Celsius and average minimums remaining above 18 degrees Celsius. Average daily precipitation ranges from a low of 0.24 mm/day in March to 7.46 mm/day in October, based on 1991 to 2020 observations at a representative elevation of 381.42 meters in Arenal.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 7.5 mm/day15°20°25°30°35°40°24°25°26°27°27°25°25°25°25°24°24°24°0123456780.30.30.21.154.93.54.97.17.53.40.7JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
25.2 °C
Warmest month
April
Coolest month
December
Wettest month
October
Twelve-month climate

Compare average temperature bounds, daily precipitation rates, and daylight across the annual cycle.

Arenal Volcano National Park Weather by Month: Twelve-Month Climate Comparison

Browsing the calendar year for Arenal Volcano National Park reveals critical shifts in average minimum, mean, and maximum temperatures alongside relative humidity and wind speed. Evaluating monthly historical baselines alongside average daily precipitation rates and calculated average daylight hours provides a complete ecological overview of the regional climate system.
Mean temperaturePrecipitationHumidityWind speedDaylight
January24.1 °C18.1° to 31.7°0.3 mm/day76.6%4.5 m/s11.5 hours
February25 °C18.6° to 34.2°0.3 mm/day70.8%4.7 m/s11.7 hours
March26.3 °C19° to 36.3°0.2 mm/day64.6%4.3 m/s11.9 hours
April27.3 °C19.9° to 36.8°1.1 mm/day64.4%3.5 m/s12.2 hours
May26.5 °C21.1° to 35.4°5 mm/day75.3%2.6 m/s12.5 hours
June25.4 °C21.1° to 31.9°4.9 mm/day84.2%2.2 m/s12.6 hours
July25.1 °C20.7° to 31.2°3.5 mm/day83.9%2.8 m/s12.5 hours
August25.1 °C20.7° to 31.6°4.9 mm/day84%2.4 m/s12.3 hours
September24.8 °C20.7° to 31.1°7.1 mm/day86.4%1.9 m/s12.1 hours
October24.3 °C20.5° to 29.9°7.5 mm/day88.7%2.1 m/s11.8 hours
November24.1 °C19.1° to 29.8°3.4 mm/day86.8%2.9 m/s11.5 hours
December24 °C18.5° to 30.3°0.7 mm/day82.4%3.9 m/s11.4 hours
Calculated climate highlights

Comparing long-term averages for temperature, precipitation, wind, and daylight across the year

Calculated Monthly Climate Highlights for Arenal Volcano National Park

Thirty years of climatology data sampled at a representative park elevation of 381 meters reveal how temperature, precipitation, humidity, and wind averages change throughout the calendar year. Identifying the calculated warmest, coolest, wettest, and windiest months clarifies the broader annual patterns of Arenal Volcano National Park without relying on temporary weather records.
Warmest month
April27.3 °C
Coolest month
December24 °C
Wettest month
October7.5 mm/day
Driest month
March0.2 mm/day
Most humid month
October88.7%
Windiest month
February4.7 m/s
Longest daylight
June12.6 hours

Interactive climate map

Compare National Park Climate Data Through an Interactive Global Map

Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.

Global National Park Climate Map
Other park climates

Contrast monthly temperature, rainfall, and daylight cycles across diverse conservation landscapes.

Compare Monthly Climate Patterns of Arenal Volcano National Park with Other Reserves

Geographic discovery beyond Arenal Volcano National Park introduces complete environmental baselines for alternative protected areas throughout Costa Rica and neighboring territories. Standardized monthly averages for temperature, precipitation, humidity, wind, and daylight help contrast atmospheric conditions across diverse elevations and coastal microclimates.
MoriAtlas Explorer

Continue Exploring Arenal Volcano National Park's Geographic Context and Map

Deepen your understanding of Arenal Volcano National Park by continuing to explore its specific geographic setting and mapped landscape features. MoriAtlas offers detailed atlas-style exploration, providing structured data on protected areas like this national park to enhance your geographic discovery. Learn more about the terrain and regional context that define this significant natural reserve.