Last updated: August 21, 2025
Experience the warmth and lushness of Atenas, Costa Rica in June, where temperatures typically peak at a pleasant 30°C (86°F) and settle at an average of 24°C (75°F), with cooler nights dipping to around 19°C (66°F). This month is characterized by high humidity at 84% and persistent rainfall, totaling 397 mm (15.6 in) over 30 days. Visitors can expect a vibrant, green landscape and a refreshing atmosphere, making it a unique time to explore the natural beauty and rich culture of this enchanting region.
In June, Atenas, Costa Rica experiences a delightful blend of warm and mild temperatures, making it a charming time to visit. The minimum temperature hovers around 19°C (66°F), while the average stays comfortably at 24°C (75°F), with a maximum of 30°C (86°F). Compared to May, there’s a subtle shift as the highs remain steady, reflecting the beginning of the rainy season that offers refreshing afternoon showers. The consistent warmth and moderate humidity create an inviting atmosphere, perfect for exploring the lush landscapes or enjoying the local culture. Overall, June in Atenas strikes a balance, keeping the climate pleasant without the extreme highs often found in other months.
June marks a significant peak in precipitation for Atenas, Costa Rica, with 397 mm (15.6 in) of rain falling over the course of the month. This deluge is part of the region's rainy season, where clouds frequently blanket the sky, resulting in nearly 30 days of rainfall. Following the astonishing 412 mm (16.2 in) measured in May, June's precipitation illustrates a slight decrease yet remains remarkably high, contributing to the area's lush greenery. The trend of consistent rainfall starts in April and persists through July, with monthly totals hovering closely around 300 mm to 400 mm. This pattern highlights Atenas's climate, characterized by vibrant landscapes fed by continuous rain, making it a quintessential tropical paradise.
In June, Atenas, Costa Rica, experiences a significant rise in humidity, reaching 84%, marking a notable increase compared to the earlier months of the year. This jump is part of a broader trend observed in the region, where humidity levels tend to peak during the rainy season, which begins in May and continues through to October. Following June, humidity further escalates to 85% in July, indicating that the lush landscapes and vibrant tropical atmosphere are not only maintained but amplified during these months. As the year progresses, the humidity gradually oscillates, dipping to around 80% by October, but continues to remain relatively high, illustrating the tropical characteristics that define this beautiful region.
In June, Atenas, Costa Rica, experiences a consistently high UV Index of 14, indicating an extreme exposure category that calls for caution. This trend of intense sun protection continues from May, maintaining a burn time of just 10 minutes. The UV Index readings throughout the year reveal a pattern of elevated levels, peaking in March and April at 15. Notably, even in the lush surroundings of June, the risk remains pronounced, similar to the previous months. As summer unfolds in this beautiful region, it's crucial to stay informed and proactive about sun safety. For more insights, check out the detailed Atenas UV Index.
UV Risk Categories
In Atenas, Costa Rica, June experiences a modest sunlight offering with 226 hours of brilliant sunshine, a slight dip from the vibrant May total of 235 hours. This month marks the mid-point of the year, showcasing a general trend of declining daylight hours as the region transitions into the rainy season. Following the peak sunshine of March with an impressive 329 hours, June's brightness hints at the approaching cloud cover of July, which dips further to 209 hours. Despite this decline, residents and visitors still relish the warm, sunlit mornings typical of the region, creating a lively atmosphere amidst the gradual shift towards the lush green scenery that follows the rains.
In Atenas, Costa Rica, the likelihood of sunny weather takes a noticeable dip as the year progresses towards June, hitting its low at just 15%. Early in the year, particularly in January and February, the sun shines brightly with chances hovering around 57% and 55%, respectively. However, as the dry season wanes into the wetter months of the year, these sunny prospects diminish significantly. By April, the chance drops to 24%, plummeting to just 17% in May. Although there’s a modest uptick in July with a 19% chance of sun, June remains one of the cloudiest months in the region. For those planning outdoor activities, it’s advisable to anticipate a shyer sun during this period.
In Atenas, Costa Rica, the daylight duration reveals a steady rhythm throughout the year. From January to May, residents enjoy relatively consistent illumination of 11 to 12 hours, with a notable increase to 12 hours in March as spring approaches. This trend of consistent daylight continues into June, where 12 hours of daylight per day can be expected. Following this, the length of daylight stabilizes through July and August before gradually decreasing again in October, dropping back to 11 hours by the end of the year. Overall, Atenas experiences a harmonious balance of light, fostering a vibrant tropical lifestyle all year long.
In Atenas, Costa Rica, the June winds gently embrace the region, with an average speed of 1.2 m/s (3 mph)—the calmest of the year. This marks a noticeable dip from the slightly breezier months leading up to June, where winds peaked in March at 2.1 m/s (5 mph) before steadily declining. As the dry season transitions into the rainy months, the fresh, soft breezes of June provide a comfortable backdrop, inviting locals and visitors alike to enjoy outdoor activities in the lush, vibrant landscapes. Following June, the winds remain mild, hinting at a tranquil atmosphere as the summer sun begins to yield to the refreshing rains of July and August. This trend reflects a typical climatic rhythm, where gentle winds create a serene ambiance, perfectly suited for the lush greenery that defines Atenas.
Weather in Atenas varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Atenas, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in June and January, it's clear that June tends to be much wetter and more humid. In June, temperatures range from a minimum of 19°C (66°F) to a maximum of 30°C (86°F), with an average of 24°C (75°F) and a substantial 397 mm (15.6 inches) of precipitation over 30 days, along with a high humidity level of 84%. In contrast, January sees slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 31°C (87°F), averaging 23°C (74°F). The month is much drier, with only 28 mm (1.1 inches) of rain over 7 days and lower humidity at 68%. For a more detailed look at the January weather specifics, you can refer to Atenas weather in January.
In comparing the weather between June and February, June tends to be more humid and wetter, with an average temperature of 24°C (75°F) and significant rainfall of 397 mm (15.6 in) spread over 30 days. In contrast, February offers a drier experience, featuring much lower precipitation at only 13 mm (0.5 in) over just 3 days, while maintaining a similar average temperature of 24°C (76°F). Additionally, February enjoys lower humidity levels at 68%, compared to June's humidity of 84%. For more detailed insights, you can check Atenas weather in February.
June and March present distinctly different weather patterns. In June, temperatures range from a minimum of 19°C (66°F) to a maximum of 30°C (86°F), with an average of 24°C (75°F). The month is characterized by high humidity at 84% and significant rainfall, totaling 397 mm (15.6 in) over 30 days. In contrast, March experiences slightly warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 32°C (89°F), averaging 25°C (77°F). The month is much drier, with only 18 mm (0.7 in) of precipitation recorded over just four days and a lower humidity level at 66%. For more details, check out Atenas weather in March.
In April, the weather features a minimum temperature of 18°C (64°F) and an average of 24°C (76°F), with a maximum of 31°C (89°F). This month sees significantly less precipitation, totaling 118 mm (4.6 in) over 24 days, with a lower humidity level of 67%. In contrast, June experiences a minimum temperature of 19°C (66°F) and an average of 24°C (75°F), but the maximum temperature is slightly cooler at 30°C (86°F). June also has a higher precipitation rate of 397 mm (15.6 in) over 30 days and a much higher humidity level at 84%. For more information, visit Atenas weather in April.
June and May exhibit similar temperature ranges, with both months featuring a minimum of 19°C (66°F), an average of 24°C (75°F), and a maximum of 30°C (86°F). However, June experiences slightly less precipitation at 397 mm (15.6 in) compared to May's 412 mm (16.2 in), even though both months see rain on 30 days. Additionally, June has a higher humidity level at 84%, while May's humidity is relatively lower at 69%. For more details on May's weather, you can check Atenas weather in May.
June and July showcase similarities in temperature, with both months having a minimum of 19°C (66°F), an average of 24°C (75°F), and July experiencing a slightly lower maximum of 29°C (85°F) compared to June's 30°C (86°F). However, June is significantly wetter, receiving 397 mm (15.6 in) of precipitation compared to July's 296 mm (11.7 in). Both months maintain high humidity levels, with June at 84% and July just a notch higher at 85%. For more detailed insights, you can check Atenas weather in July.
In comparing the weather between June and August, both months exhibit similar temperature ranges, with June featuring a minimum of 19°C (66°F), an average of 24°C (75°F), and a maximum of 30°C (86°F), while August records a minimum of 19°C (66°F), an average of 23°C (74°F), and a maximum of 30°C (85°F). Precipitation levels are also quite close, with June experiencing 397 mm (15.6 in) over 30 days and August seeing slightly less at 393 mm (15.5 in) across the same number of days. Humidity is slightly lower in August at 82%, compared to June's 84%, contributing to a marginally drier feel as the summer progresses. For a more specific look at how August weather unfolds in Atenas, you can check this link: Atenas weather in August.
June and September display similar temperature ranges, with June having an average of 24°C (75°F) and September slightly cooler at 23°C (74°F). Both months experience relatively high humidity, with June at 84% and September at 81%. However, September tends to have more precipitation, totaling 461 mm (18.2 in) over 29 days compared to June's 397 mm (15.6 in) over 30 days. This indicates that while both months are wet, September is likely to experience slightly more intense rainfall. For more details on September weather in Atenas, refer to Atenas weather in September.
In June, temperatures in Atenas range from a minimum of 19°C (66°F) to a maximum of 30°C (86°F), with an average temperature of 24°C (75°F). The month experiences significant rainfall, totaling 397 mm (15.6 in) over the 30 days, accompanied by high humidity levels of 84%. In contrast, October sees slightly cooler temperatures, with a minimum of 18°C (66°F) and a maximum of 29°C (84°F), and an average temperature of 23°C (73°F). However, October is notably wetter, receiving 639 mm (25.2 in) of precipitation over the same 30 days, while humidity decreases slightly to 80%. For more detailed information, you can check Atenas weather in October.
June and November display somewhat similar temperatures, with June having a slightly higher average of 24°C (75°F) compared to November's 23°C (74°F). Both months experience relatively warm minimum temperatures, with June peaking at 30°C (86°F) and November at 29°C (85°F). However, June sees significantly more rainfall, with 397 mm (15.6 in) over 30 days, while November has less precipitation at 251 mm (9.9 in) over 28 days, resulting in slightly lower humidity levels of 80% for November compared to June's 84%. For more detailed information, check out Atenas weather in November.
When comparing the weather in June and December, both months experience similar temperature ranges, with June recording a minimum of 19°C (66°F) and a maximum of 30°C (86°F), while December shows slightly lower minimums at 18°C (65°F), but maintains the same maximum. However, June is significantly wetter, with a staggering 397 mm (15.6 in) of precipitation across 30 days, making it a much more humid month at 84%. In contrast, December is much drier, with only 72 mm (2.8 in) of rainfall over 18 days, resulting in a lower humidity level of 72%. For more detailed information, check out Atenas weather in December.
June in Atenas presents a unique contrast to other months, as the humidity soars to a notable 84%, enveloping the town in a lush tropical atmosphere. While temperatures remain mild with an average around 24°C, the month is characterized by consistent rainfall, accumulating approximately 397 mm over 30 days. This ample precipitation makes the landscape vibrantly green but may also put a damper on outdoor activities. In comparison to the drier months, June offers a refreshing but wet respite, perfect for those seeking the beauty of Costa Rica's rainy season. For more detailed insights, explore Atenas Climate.