July Weather in Atenas, Costa Rica

Last updated: August 21, 2025

Experience Atenas, Costa Rica in July, where the climate presents a tropical embrace ripe for exploration. With a maximum temperature reaching 29°C (85°F) and a comfortable average of 24°C (75°F), the weather is warm yet pleasant. Expect humid days, with humidity levels at 85%, adding a lush feel to the vibrant landscape. However, prepare for daily rain, as July sees an impressive precipitation total of 296 mm (11.7 in) across 30 rainy days. This month nurtures the region's rich biodiversity, making it a captivating time to witness nature's splendor.

July Temperature in Atenas

In July, Atenas, Costa Rica, experiences a pleasant transition into the cooler part of the year. With minimum temperatures around 19°C (67°F) and a comfortable average of 24°C (75°F), visitors can expect a delightful climate. Although daytime highs reach a maximum of 29°C (85°F), this is slightly lower than the peak temperatures of earlier months, reflecting the onset of the rainy season. The weather remains ideal for outdoor adventures, making it a perfect time to explore the lush countryside and engage with the vibrant local culture. As the month flows with warm days and refreshing evenings, it creates a serene ambiance that enchants both locals and travelers alike.

July Weather in Atenas: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Atenas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atenas, July typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec747576767575757473737374
Data source: Temperature data for Atenas generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Atenas

In Atenas, Costa Rica, July marks a significant peak in the rainy season, with 296 mm (11.7 in) of precipitation falling over an impressive 30 days. This substantial rainfall not only reflects the moisture-laden air typical of the region but also emphasizes a trend that begins in April, escalating through the intense showers of May and June. As the month unfolds, the consistent precipitation sets the stage for vibrant landscapes, lush greenery, and a thriving ecosystem. Following July, the rains continue unabated into August and September, showcasing the region's characteristic tropical climate and underscoring the importance of this period for local agriculture and water resources.

July Precipitation Trends in Atenas

The chart displays monthly precipitation patterns in Atenas, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Atenas, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec28131811841239729739346163925172
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Atenas

In July, Atenas, Costa Rica, experiences a peak in humidity, reaching 85%. This uptick follows a notable increase from June's already high 84%, marking the wet season's full swing. As the year progresses, humidity typically hovers between 66% and 69% during the drier months of January to May. Notably, after July, humidity gradually drops to 82% in August and continues to decrease through the fall months. This trend highlights the lush, tropical conditions that define Atenas, making it a unique destination where the richness of the wet season contrasts sharply with the dryer periods, ensuring a vibrant and verdant landscape year-round.

July Average Humidity in Atenas

This chart illustrates the average monthly humidity levels in Atenas, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Atenas is approximately {2}%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Atenas

In July, Atenas, Costa Rica, continues to experience an extreme UV Index of 14, mirroring the levels seen in the preceding months of May and June. This consistent intensity underscores the region's tropical climate, where sun protection is crucial as even a brief 10-minute exposure can lead to skin damage. Interestingly, the UV Index remains firmly in the extreme category throughout much of the year, with only a slight drop to 13 in August. As you enjoy the vibrant outdoor activities that Atenas offers, be sure to stay informed and learn more at Atenas UV Index.

Maximum UV Index Levels in Atenas for July

The chart shows the monthly maximum UV Index (UVI) for Atenas in July, 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 July, the maximum UV index in Atenas typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151414141313141210
Data source: Atenas July 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.

July Sunshine in Atenas

July in Atenas, Costa Rica offers a modest 209 hours of sunshine, reflecting a slight dip compared to the vibrant months preceding it. The sun shines the brightest in March, boasting an impressive 329 hours, while May and June see lower totals, with 235 and 226 hours respectively. Although July marks a peak rainy season, it still provides a decent amount of sunlight, highlighting Atenas’s typically favorable climate. As summer transitions to fall, sunshine levels gradually pick up again into August and beyond, showcasing the region's resilient allure despite the changing weather. Overall, Atenas remains a sunny destination, where even the less illuminated months cast a warm glow on its lush landscape.

Monthly Sunshine Duration in Atenas: July Highlighted

The July sunshine duration represents the total number of hours Atenas experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec249h296h329h300h235h226h209h213h230h211h229h291h
Data source: Atenas July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Atenas During July

In Atenas, Costa Rica, the likelihood of sunny weather takes a notable dip during July, with only a 19% chance of sunshine. This trend is part of a broader pattern throughout the year, where the dry season from January to April showcases significantly higher probabilities of clear skies, peaking at 57% in January. However, as the rainy months approach, from May through August, sunshine becomes increasingly elusive, reaching a low of just 7% in August. Despite July's modest chance of sun, it's a time when vibrant greenery emerges, making it a unique experience for those who appreciate the lush beauty of the region, albeit at the expense of bright sunny days.

Percentage of Sunny Days in July in Atenas

The chart illustrates the percentage of sunny days in Atenas throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Atenas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%55%52%24%17%15%19%7%10%16%31%56%
Data source: Atenas July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Atenas in July

In Atenas, Costa Rica, the daylight duration showcases a fascinating consistency throughout the year. From January to March, residents enjoy 11 hours of daylight, gradually increasing to 12 hours by April and maintaining that golden glow through to August. This extended daylight provides ample opportunity for outdoor adventures and enjoying the lush landscape. As the year wanes into September, the daylight remains steady at 12 hours before tapering back to 11 hours in October, November, and December. This rhythmic pattern not only highlights Atenas' tropical allure but also offers a reliable cycle of light and warmth, making it an ideal destination for sun seekers year-round.

Average Daylight Hours in Atenas for July

The chart illustrates the variation in daylight duration in Atenas throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 35m11h 47m12h 3m12h 20m12h 34m12h 41m12h 37m12h 25m12h 9m11h 52m11h 38m11h 32m
Data source: Atenas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Atenas

In July, the winds in Atenas, Costa Rica maintain a gentle pace, with an average speed of 1.3 m/s (3 mph). This slight increase from the quieter months of June and May, where winds registered at 1.2 m/s (3 mph) and 1.3 m/s (3 mph) respectively, hints at a subtle shift as the region navigates through the rainy season. Overall, summer winds show a consistent trend of light breezes, particularly compared to the spring months. However, as the year progresses into August and beyond, a further decline to 1.1 m/s (3 mph) suggests that the winds may calm once more, leaving the lush landscapes to flourish in the warm, humid air.

Average July Wind Speed in Atenas

The chart displays monthly wind speed patterns in Atenas, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.02.11.51.31.21.3 m/s1.11.21.11.41.6
Data source: Atenas July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Atenas Compares to Other Months

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

In July, the weather is warm and humid, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), while averaging around 24°C (75°F). This month experiences considerable rainfall, with a total precipitation of 296 mm (11.7 in) spread across 30 days, resulting in a high humidity level of 85%. In contrast, January boasts slightly cooler temperatures, with minimums of 17°C (63°F) and maximums reaching 31°C (87°F), averaging at 23°C (74°F). Notably, January is much drier, with only 28 mm (1.1 in) of rain over 7 days and lower humidity at 68%. For more details, you can check Atenas weather in January.

In July, the weather tends to be warmer and more humid, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F) and an average of 24°C (75°F). The month experiences significant rainfall, totaling 296 mm (11.7 in) over 30 days, resulting in a high humidity level of 85%. In contrast, February boasts slightly cooler temperatures, with a minimum of 16°C (62°F), an average matching July at 24°C (76°F), and a higher maximum of 31°C (88°F). Precipitation is minimal during this month, amounting to only 13 mm (0.5 in) over just 3 days, and the humidity is noticeably lower at 68%. For more details on weather conditions, check Atenas weather in February.

When comparing the weather in July and March, a few notable differences emerge. In July, temperatures range from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), with an average of 24°C (75°F). This month experiences significant rainfall, with a total of 296 mm (11.7 in) spread over 30 days, resulting in high humidity levels of 85%.

In contrast, March sees slightly warmer temperatures, with minimums of 18°C (64°F) and maximums reaching 32°C (89°F), averaging 25°C (77°F). Rainfall is minimal in March, totaling just 18 mm (0.7 in) over 4 days, and the humidity is lower at 66%. This makes March generally drier and hotter compared to the wet and humid conditions of July. For more detailed insights, you can check out Atenas weather in March.

When comparing the weather in July and April, April tends to be warmer, with maximum temperatures reaching up to 31°C (89°F), compared to July's peak of 29°C (85°F). However, July experiences significantly higher humidity at 85%, which can make the warmer weather feel more intense. In terms of precipitation, July is much wetter, receiving 296 mm (11.7 inches) over 30 days, while April sees only 118 mm (4.6 inches) across 24 days. For more detailed information about April weather, you can check Atenas weather in April.

In comparing the weather between July and May, both months share similar minimum and average temperatures, typically hovering around 19°C (67°F) and 24°C (75°F), respectively. However, May tends to be slightly warmer, with a maximum temperature reaching 30°C (86°F) compared to July’s peak of 29°C (85°F). Precipitation is notably higher in May, with a total of 412 mm (16.2 in) over 30 days, versus July's 296 mm (11.7 in), making July the drier month. The humidity is also lower in May at 69%, while July remains quite humid at 85%. For more details on the specific weather conditions in May, check out Atenas weather in May.

In comparing the weather of July and June, both months exhibit similar temperature ranges, with minimums around 19°C (67°F), average temperatures of 24°C (75°F), and maximums slightly differing—29°C (85°F) in July and 30°C (86°F) in June. However, June experiences more significant rainfall, totaling 397 mm (15.6 in) compared to July's 296 mm (11.7 in), despite both months having 30 days of precipitation. Additionally, humidity levels are slightly higher in July at 85%, while June maintains a humidity of 84%. For a closer look at June's weather, you can check Atenas weather in June.

In comparing the weather conditions of July and August, we find that both months experience warm temperatures, with July's average at 24°C (75°F) slightly higher than August's 23°C (74°F). Interestingly, while the minimum temperature remains consistent at around 19°C (66°F to 67°F), August sees a higher maximum temperature of 30°C (85°F) compared to July's 29°C (85°F). Precipitation is notably higher in August, with 393 mm (15.5 in) compared to July's 296 mm (11.7 in), despite both months having 30 days of rainfall. Humidity levels are also somewhat lower in August at 82%, compared to July's 85%. For more detailed insights, you can check Atenas weather in August.

In July, the weather tends to be warm with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), accompanied by high humidity levels at 85%. However, this month also sees significant rainfall, with a total precipitation of 296 mm (11.7 in) over 30 days. In contrast, September's temperatures are slightly cooler, with a minimum of 18°C (66°F) and an average of 23°C (74°F), but it maintains a similar maximum temperature of 29°C (85°F). Interestingly, September experiences even more rainfall, totaling 461 mm (18.2 in) across 29 days, albeit with slightly lower humidity at 81%. For more detailed insights, you can check out Atenas weather in September.

In July, the weather is warm with average temperatures ranging from a minimum of 19°C (67°F) to a maximum of 29°C (85°F), accompanied by high humidity levels of 85%. This month also sees considerable rainfall, with a total of 296 mm (11.7 in) spread across 30 days. By contrast, October's weather is similarly warm, featuring a minimum of 18°C (66°F) and a maximum of 29°C (84°F), but it experiences significantly more precipitation, totaling 639 mm (25.2 in) over the same 30 days and slightly lower humidity at 80%. For more specific details about the weather in October, you can check Atenas weather in October.

In comparing the weather between July and November, we see several similarities and slight differences. July boasts a minimum temperature of 19°C (67°F) and an average temperature of 24°C (75°F), while November has nearly equivalent figures, with a minimum of 18°C (64°F) and an average of 23°C (74°F). Both months reach a maximum temperature of 29°C (85°F), suggesting a warm climate year-round. However, July experiences significantly higher precipitation at 296 mm (11.7 in) over 30 days, compared to November's 251 mm (9.9 in) spread across 28 days. Humidity levels are also slightly higher in July at 85%, while November's humidity sits at 80%. For more details, check out Atenas weather in November.

In comparing the weather between July and December, we see notable differences in both temperature and precipitation. July tends to be quite humid with an average temperature of 24°C (75°F), peaking at 29°C (85°F) and experiencing significant rainfall at 296 mm (11.7 in) over 30 days. In contrast, December offers slightly lower average temperatures at 23°C (74°F) with a maximum of 30°C (86°F), but considerably less rainfall, totaling only 72 mm (2.8 in) across 18 days. Additionally, December's humidity is notably lower at 72%, making it feel less muggy compared to the high humidity of July at 85%. For more detailed insights, you can check Atenas weather in December.

Compare Atenas's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Atenas

July in Atenas presents a distinct shift in weather compared to other months, characterized by higher humidity levels and frequent rainfall. As the temperatures hover between mild and warm, the lush surroundings come alive with vibrant greenery, thanks to the substantial precipitation experienced throughout the month. While July's daily downpours may deter some outdoor activities, they also create a unique ambiance that charms those who appreciate Costa Rica's rich biodiversity. This blend of warm temperatures and consistent rain highlights the nuanced beauty of Atenas’ tropical climate. For a deeper understanding of how the weather shapes this enchanting destination, explore our detailed insights at Atenas Climate.