Heredia Climate

Last updated: January 18, 2025

Heredia, Costa Rica, presents a tropical monsoon climate (Köppen-Geiger classification Am), characterized by a distinct range of temperatures that shape its unique weather patterns. The region experiences a minimum temperature of 11°C (52°F) in February, rising to a comfortable average of 20°C (67°F) throughout the year. Peak temperatures can reach 34°C (93°F) in May, highlighting the contrast between cooler periods and the warmth of the dry season. This climactic variability plays a crucial role in defining the local ecosystem and influencing agricultural practices in this vibrant area of Central America.

Heredia temperature by month

In Heredia, Costa Rica, temperature patterns exhibit a moderate range that reflects the region's tropical climate. The year begins with relatively cool temperatures in January and February, where minimums hover around 11°C (52°F) and average highs reach 29°C (85°F). As the months progress into April and May, temperatures rise notably, with May peaking at 34°C (93°F) and marking the onset of the warmer dry season. This warmth persists through the middle of the year, with temperature averages stabilizing around 20°C (68°F) during the wet months of June through October, maintaining maximums typically in the low 30s°C. A slight cooling trend resumes in November and December, as temperatures retreat gradually, revealing a cyclical rhythm that underscores Heredia's tropical allure.

Monthly Temperatures in Heredia, Costa Rica

The chart illustrates Heredia's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec656666686868686868676766
Data source: Heredia temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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The average of daily temperatures (24 hours) calculated across all days in the month.

In Heredia, temperatures fluctuate between a minimum of 11°C (52°F) in February and a maximum of 26°C (80°F) in April, showcasing a mild climate ideal for various outdoor activities. For more detailed insights on the monthly temperatures, you can visit monthly temperatures in Heredia.

Precipitation Patterns in Heredia

Heredia, Costa Rica, experiences a pronounced variation in precipitation throughout the year, with a marked distinction between the dry and wet seasons. The year begins with relatively low rainfall in January and February, recording 87 mm (3.4 in) and 38 mm (1.5 in) respectively. As March approaches, precipitation increases modestly to 44 mm (1.7 in), but it is in April that the rains intensify dramatically with 103 mm (4.0 in). This transition sets the stage for the wet season, where May leads with an astonishing 402 mm (15.8 in) of rain, establishing it as the wettest month in the region.

The heavy rainfall persists through the following months, with June, July, and August seeing substantial precipitation levels of 340 mm (13.4 in), 265 mm (10.4 in), and 307 mm (12.1 in), respectively. This pattern continues into September and October, where October emerges as the peak month with 517 mm (20.3 in) of rainfall. The year concludes with a gradual decrease in precipitation, as November and December experience 260 mm (10.3 in) and 149 mm (5.9 in), respectively. Throughout the wet season, rain can be observed on nearly 25 to 30 days a month, illustrating Heredia's lush, green landscape nurtured by its abundant rainfall.

Monthly Average Precipitation in Heredia, Costa Rica

The average monthly precipitation in Heredia, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec873844103402340265307378517261149
Data source: Heredia precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Heredia

In Heredia, Costa Rica, sunshine duration exhibits a clear seasonal trend, reflecting the region's tropical climate and varying weather conditions throughout the year. Starting from January, the area enjoys 244 hours of sunshine, gradually increasing as the dry season progresses. February sees a notable rise to 296 hours, and March peaks at 328 hours, marking it as the sunniest month of the year. As April arrives, sunshine remains strong at 301 hours, but the onset of the wet season in May causes a decrease to 243 hours, signaling the transition towards more overcast and rainy conditions.

Throughout the subsequent months of June, July, and August, sunshine hours continue to decline, reaching a low of 220 hours in July, the least sunny month of the year. However, as the rainy season begins to wane, sunshine duration starts to recover, with September and October seeing 242 hours and 226 hours, respectively. November experiences a slight bounce-back to 239 hours, followed by 286 hours in December, which heralds a return to brighter days. This cyclical pattern underscores the importance of sunshine in shaping not only the natural landscape of Heredia but also the local lifestyle and activities influenced by weather variations throughout the year.

Monthly Sunshine in Heredia, Costa Rica

Monthly sunshine duration represents the total hours of direct sunlight Heredia receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec244h296h328h301h243h236h220h227h242h226h239h286h
Data source: Heredia sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Heredia UV Index Trends

In Heredia, Costa Rica, the UV Index remains consistently high throughout the year, underscoring the intense solar radiation typical of its tropical climate. Starting in January, the UV Index registers at 12, categorizing the exposure as extreme, with a minimal burn time of just 10 minutes. This trend intensifies in February and March, where the Index climbs to 14 and 15, respectively, peaking at 16 in April. The extreme UV levels necessitate vigilant sun protection, as benefits from sunlight are quickly overshadowed by the potential risks of skin damage.

As the wet season arrives in May, the UV Index slightly stabilizes at 14, maintaining the extreme exposure classification. From June to September, the Index remains steady at 14, indicative of a consistent threat from UV radiation despite the increased cloud cover. October sees a rise to 15, before tapering off in November and December to 12 and 11, respectively. The year-round high UV Index highlights the importance of protection against sun exposure in Heredia, urging residents and visitors alike to take necessary precautions to safeguard their skin health.

Monthly Maximum UV Index for Heredia, Costa Rica

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Heredia. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec121415161414141414151211
Data source: Heredia UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

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.

Daylight Hours in Heredia

In Heredia, Costa Rica, daylight duration remains relatively stable throughout the year, characteristic of its proximity to the equator. During the first two months of the year, January and February, daylight lasts for approximately 11 hours, providing a balanced amount of light ideal for daily activities. As March rolls in, there is a gradual increase, with daylight extending to 12 hours for the remainder of the spring and into the summer months of April through August. This consistent span of daylight fosters an active lifestyle, benefiting both residents and the local ecosystem.

As the year transitions towards autumn, daylight duration begins to decrease again, dropping back to 11 hours in October and persisting through November and December. This slight fluctuation in hours serves as a reminder of the seasonal changes in Heredia, although the differences are subtle compared to regions further from the equator. Overall, the steady availability of daylight throughout the year enhances the charm of this tropical locale, contributing to its lush landscapes and vibrant culture.

Average Monthly Daylight Hours in Heredia, Costa Rica

This chart shows the total daylight hours Heredia receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec695h707h723h740h754h761h757h745h729h712h698h691h
Data source: Heredia daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Heredia's Popular Destinations

Heredia, Costa Rica, enjoys a mild climate with average temperatures ranging from 17°C (63°F) in January to 19°C (66°F) from April to October. Rainfall varies significantly, with the wettest months being May and October, receiving 425 mm (16.7 in) and 517 mm (20.4 in), respectively. Sunshine hours peak in March with 329 hours, while rainfall increases dramatically in the late spring and fall. This combination of warmth and precipitation makes Heredia a lush, green region year-round. For more details, visit Heredia climate.

Conclusion

In conclusion, Heredia, Costa Rica, exemplifies a tropical climate characterized by its moderate temperature ranges, abundant rainfall, and consistent high UV Index, all of which significantly influence the region’s natural environment and lifestyle. The interplay of seasonal trends reveals a wet season marked by heavy precipitation and reduced sunshine hours, contrasted with drier months that offer prolonged daylight and ample sunlight. Together, these climatic factors contribute to Heredia's rich biodiversity and agricultural productivity, while also necessitating awareness and preparation for sun protection. Understanding these dynamics is crucial for both residents and visitors, fostering an appreciation for the unique ecological and cultural tapestry that defines this vibrant area.

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