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August Weather in Alajuelita, Costa Rica

Last updated: August 23, 2025

In August, the average temperature in Alajuelita, Costa Rica hovers around 19°C (66°F). Expect a comfortable climate where temperatures can dip to a minimum of 15°C (59°F) and peak at a pleasant 26°C (79°F). With 304 mm (12.0 in) of rain spread over 28 days, don’t forget your umbrella! The atmosphere is quite humid, with an average humidity level of 82%, adding to the area's lush, inviting charm.

August Temperature in Alajuelita

In August in Alajuelita, the average temperature is 19°C (66°F). Maximums can reach 26°C (79°F), and minimums can be as low as 15°C (59°F). This mild weather makes it an ideal time for travelers to explore and enjoy outdoor activities.

August Weather in Alajuelita: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Alajuelita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alajuelita, August typically has an average temperature of 19°C (66°F), with highs reaching up to 26°C (79°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec636364666666666666656564
Data source: Temperature data for Alajuelita generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Alajuelita

In Alajuelita in August, the total precipitation amount reaches 304 mm (12.0 in) over a span of 28 days.

August Precipitation Trends in Alajuelita

The chart displays monthly precipitation patterns in Alajuelita, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Alajuelita, August typically receives around 304 mm (12.0 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec934349113425341266304380517260156
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Alajuelita

In Alajuelita in August humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

August Average Humidity in Alajuelita

This chart illustrates the average monthly humidity levels in Alajuelita, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Alajuelita is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Alajuelita

In Alajuelita in August, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Alajuelita, you can check here.

Maximum UV Index Levels in Alajuelita for August

The chart shows the monthly maximum UV Index (UVI) for Alajuelita in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Alajuelita typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415161414141414151211
Data source: Alajuelita August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Alajuelita Compares to Other Months

Weather in Alajuelita varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Alajuelita, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Alajuelita, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)93 mm (3.7 inches)68%extreme
February Weather17°C (64°F)43 mm (1.7 inches)68%extreme
March Weather18°C (64°F)49 mm (1.9 inches)66%extreme
April Weather19°C (66°F)113 mm (4.4 inches)67%extreme
May Weather19°C (67°F)425 mm (16.7 inches)69%extreme
June Weather19°C (67°F)341 mm (13.4 inches)84%extreme
July Weather19°C (66°F)266 mm (10.5 inches)85%extreme
August Weather19°C (66°F)304 mm (12.0 inches)82%extreme
September Weather19°C (66°F)379 mm (14.9 inches)81%extreme
October Weather19°C (66°F)517 mm (20.4 inches)80%extreme
November Weather18°C (65°F)260 mm (10.3 inches)80%extreme
December Weather18°C (64°F)156 mm (6.1 inches)72%extreme

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