Park climate1991–2020 climate normals201 m source elevationNASA POWER

A comprehensive analysis of temperature, precipitation, humidity, and wind cycles by month.

Guanacaste National Park: monthly climate

Name: Guanacaste National Park monthly climate normals
Creator: NASA POWER

At the representative location for Guanacaste National Park, monthly mean temperatures range from 25.6 to 28.4 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

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Annual climate pattern

Tracing long-term temperature ranges and average daily precipitation cycles across the year

Annual Climate Patterns and Monthly Temperatures in Guanacaste National Park

Long-term climatology at a representative park coordinate reveals consistently warm mean temperatures remaining between 25 and 29 degrees Celsius, with average maximums peaking in April at over 34 degrees. Average daily precipitation shows a pronounced shift, remaining below one millimeter during early months before exceeding nine millimeters per day in October.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 26.6 °C
Warmest month: April
Coolest month: November
Wettest month: October

Twelve-month climate

Compare monthly average temperatures, daily precipitation, and calculated daylight across the calendar year

Guanacaste National Park Weather by Month: Historical Climate Normals

Analyzing the complete annual cycle at a representative coordinate within Guanacaste National Park reveals how average minimum and maximum temperatures fluctuate alongside average daily precipitation rates. Comparing the monthly averages with relative humidity, wind speed, and calculated average daylight hours provides a detailed baseline of the long term climatological patterns in Guanacaste Province.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	25.9 °C21° to 31.3°	0.1 mm/day	72.3%	5.5 m/s	11.4 hours
February	26.6 °C21.4° to 32.8°	0.1 mm/day	67.5%	5.6 m/s	11.7 hours
March	27.5 °C21.8° to 34°	0.1 mm/day	63.6%	5.3 m/s	11.9 hours
April	28.4 °C22.8° to 34.6°	0.7 mm/day	64.2%	4.5 m/s	12.3 hours
May	27.8 °C23.9° to 34°	5.7 mm/day	73.9%	3.4 m/s	12.5 hours
June	26.7 °C23.6° to 31.3°	6.1 mm/day	82.3%	3.2 m/s	12.6 hours
July	26.5 °C23.4° to 31.1°	4 mm/day	81.8%	3.9 m/s	12.6 hours
August	26.6 °C23.4° to 31.2°	5.6 mm/day	81.1%	3.3 m/s	12.4 hours
September	26.2 °C23.4° to 30.9°	8.7 mm/day	83.4%	2.7 m/s	12.1 hours
October	25.8 °C23.1° to 29.8°	9.1 mm/day	85.5%	2.9 m/s	11.7 hours
November	25.6 °C22° to 29.7°	4 mm/day	83.1%	3.8 m/s	11.5 hours
December	25.7 °C21.4° to 30.2°	0.4 mm/day	78.3%	4.9 m/s	11.4 hours

Compare two months

See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.

First month

Second month

Mean temperature: November: 25.6 °C; April: 28.4 °C; Change from November to April: +2.7 °C
Precipitation: November: 4 mm/day; April: 0.7 mm/day; Change from November to April: -3.3 mm/day
Daylight: November: 11.5 hours; April: 12.3 hours; Change from November to April: +0.8 hours

Calculated climate highlights

Analyzing calculated warmest, coolest, wettest, and driest months across thirty years of climatology

Comparative Monthly Climate Highlights for Guanacaste National Park

Long-term data from a representative coordinate reveal how key variables like temperature, daily precipitation, and wind speed vary throughout the calendar year. Structured comparisons of the twelve monthly averages identify the relative warmest, coolest, wettest, and windiest periods without confusing long-term patterns with localized weather extremes.

Warmest month: April28.4 °C
Coolest month: November25.6 °C
Wettest month: October9.1 mm/day
Driest month: February0.1 mm/day
Most humid month: October85.5%
Windiest month: February5.6 m/s
Longest daylight: June12.6 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map

Other park climates

Evaluate monthly temperature, precipitation, and daylight cycles across diverse protected landscapes.

Compare Guanacaste National Park Climate Profiles with Other Reserves

Comparing the monthly climate profiles of other conservation areas provides valuable context when aligned with the data from Guanacaste National Park. Examining systematic variations in temperature, precipitation, humidity, and daylight hours across regional settings helps trace geographic contrasts without assuming identical environmental conditions.

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