Last updated: August 21, 2025
In San Jose, Costa Rica, June presents a vibrant blend of warmth and moisture, characterized by a maximum temperature reaching 29°C (85°F) and an average hovering around 25°C (78°F). With a minimum temperature of 23°C (73°F), the month is relatively mild yet humid, with an average humidity level of 74%. Rainfall is a notable feature this time of year, amassing a considerable 337 mm (13.3 in) across 30 days, symbolizing the region's lush, tropical ambience. Visitors can expect a lush landscape, though daily showers may shape their experience in this picturesque city.
In June, San Jose, Costa Rica experiences a warm and inviting climate, with average temperatures ranging from a comfortable 23°C (73°F) at night to a pleasant 29°C (85°F) during the day. This month marks a slight increase from previous months, showcasing the transition into the rainy season. With an average temperature of 25°C (78°F), visitors can enjoy mild days that are perfect for exploring the city. As June progresses, the weather exhibits a cozy warmth without the extreme heat often found in other tropical regions, making it a delightful time to experience the vibrant culture and lush scenery of San Jose.
In June, San Jose, Costa Rica, experiences one of its wettest months, with an impressive 337 mm (13.3 in) of precipitation recorded across 30 days. This significant rainfall marks a notable spike compared to the previous month, May, which already saw substantial rainfall at 297 mm (11.7 in). June's consistent rain continues a trend of increased precipitation that starts in earnest during the rainy season, which began in late April. Following June, the precipitation gradually decreases, but remains high in July and August, with 270 mm (10.6 in) and 286 mm (11.2 in) respectively. The sustained rainfall during this month paints a vivid picture of tropical lushness, transforming the landscape into a vibrant, green paradise. Overall, June plays a critical role in replenishing the region's vital water resources, supporting both its ecosystems and agriculture.
In June, San Jose, Costa Rica experiences a noticeable shift in humidity, soaring to 74%, which is a significant increase from the preceding months, where levels lingered in the low to mid-60s. This rise marks the beginning of a more humid season that continues into July, reaching a peak of 85%. The transition highlights a clear trend as the dry season gives way to the lush, vibrant atmosphere characteristic of Costa Rica's rainy months. As the humidity remains elevated through the summer, it nurtures the lush landscapes and invigorates the region, illustrating the dynamic relationship between climate and the natural beauty of this Central American gem.
In June, San Jose, Costa Rica, experiences a persistent and extreme UV Index of 14, making sun protection a critical priority for residents and visitors alike. This consistently high level has been observed throughout the preceding months of the year, specifically since March, with burn times remaining a swift 10 minutes across the board. As summer approaches, the UV index sustains its intensity, prompting an essential need for caution when outdoors to avoid harmful skin exposure. As the sunny days of June stretch on, it's vital to stay informed about the UV Index and plan accordingly. For detailed insights, visit San Jose UV Index.
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In June, San Jose, Costa Rica, continues to bask in the warmth of the Central American sun, averaging 293 hours of glorious sunlight. This figure mirrors the sunshine of May and August, highlighting a trend of fairly consistent solar exposure during the early summer months. Following the peak hours of 332 in March, the sunshine gradually settles into a reliable rhythm, giving way to lush landscapes and vibrant city life. As the rainy season approaches, June offers a perfect blend of sunlight and occasional refreshing showers, creating an inviting atmosphere that captivates both locals and visitors alike.
As we delve into the weather patterns of San Jose, Costa Rica, June emerges as one of the most overcast months, with only a 17% chance of sunny days. This marks a notable decline from the sunnier months at the beginning of the year, such as January with a 40% chance and February peaking at 51%. As the dry season fades into the wet season, May's diminishing 23% and June's further drop signal the onset of frequent rainfall, overshadowing the once bright skies. Following June, the likelihood of sunshine barely recovers, with July at 19% and August plummeting to 9%. Thus, travelers seeking sunny adventures should anticipate a cloudier June, setting the stage for lush greenery brought by the rains.
In June, San Jose, Costa Rica, basks in a consistent 12 hours of daylight, reflecting a smooth transition into the mid-year months. This extended daylight, which begins in March and lingers through August, creates an inviting atmosphere for outdoor adventures and vibrant cultural experiences. The slight ebb in daylight during the rest of the year, falling to 11 hours in January, February, October, November, and December, contrasts with the summer-like brightness of the mid-year months. This stability in daylight duration provides residents and visitors alike with an ideal backdrop to explore the lush landscapes and rich biodiversity that Costa Rica is renowned for.
In June, San Jose, Costa Rica experiences a notable decline in wind speed, with averages dipping to just 3.3 m/s (7 mph), the lowest of the year. This shift marks a significant contrast from the breezier months of January through May, where the winds were consistently stronger, often reaching over 5 m/s. The calming winds in June herald the onset of the rainy season, as humid air begins to envelop the city, leading into a period of cooler, stiller days. As the month progresses, the trend continues, with July and August also seeing mild gusts of around 3 m/s, suggesting a pattern of tranquility that embraces the beautiful landscapes, inviting both residents and visitors to enjoy the serene atmosphere.
Weather in San Jose varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in San Jose, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present distinct weather patterns. June features warmer temperatures, with a minimum of 23°C (73°F) and maximum reaching 29°C (85°F), while January's temperatures are slightly cooler, ranging from 20°C (68°F) to a maximum of 27°C (82°F). Additionally, June experiences significantly higher precipitation, totaling 337 mm (13.3 in) over 30 days, compared to January's 148 mm (5.8 in) over 22 days. The humidity also reflects this difference, with June at 74% and January at 66%. For more detailed insights, you can check San Jose weather in January.
June weather tends to be warmer and more humid compared to February. In June, temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), with an average of 25°C (78°F). It also sees significantly higher precipitation, averaging 337 mm (13.3 in) over 30 days. In contrast, February experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 28°C (83°F), coupled with lower precipitation of 96 mm (3.8 in) spread across 20 days. The humidity in June is notably higher at 74%, compared to 64% in February, making June feel more oppressive. For more detailed information, check San Jose weather in February.
In comparing the weather of June and March, June emerges as the warmer and wetter month. With temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (85°F) and an average of 25°C (78°F), June offers a lovely tropical warmth. However, it also experiences significantly higher precipitation, with 337 mm (13.3 in) of rainfall spanning over 30 days, contributing to a humidity level of 74%. In contrast, March is slightly cooler, with temperatures averaging 24°C (76°F), and showing less rainfall at 102 mm (4.0 in) over just 23 days, leading to a more comfortable humidity level of 63%. For more details, you can explore San Jose weather in March.
When comparing the weather in June and April, we see that both months feature relatively warm temperatures, but with notable differences in precipitation and humidity. In June, the average temperature hovers around 25°C (78°F), with maximum temperatures reaching up to 29°C (85°F). However, it is significantly wetter, experiencing 337 mm (13.3 in) of rainfall over 30 days, leading to a higher humidity level of 74%. In contrast, April has a slightly cooler average temperature of 26°C (78°F) and a maximum of 30°C (87°F), but it is much drier, with only 75 mm (2.9 in) of rain recorded across 19 days and a lower humidity of 63%. For more details on the weather in April, you can visit San Jose weather in April.
In comparing the weather between June and May, June experiences slightly higher humidity at 74% compared to May's 63%, which can make it feel warmer despite both months having similar temperature ranges, with June averaging 25°C (78°F) and May averaging 26°C (78°F). However, June is marked by increased precipitation, with 337 mm (13.3 in) falling over 30 days, whereas May sees 297 mm (11.7 in) over 28 days. Both months have a warm climate, but June tends to be more humid and wetter than May. For more specific insights on May's weather, you can check San Jose weather in May.
June and July exhibit similar temperature patterns, with June offering slightly warmer highs averaging around 29°C (85°F) compared to July's maximum of 28°C (84°F). Both months experience consistent temperatures, with June's minimum at 23°C (73°F) and July's at 22°C (73°F). However, June is notably wetter, receiving 337 mm (13.3 in) of precipitation compared to July's 270 mm (10.6 in). Additionally, humidity levels rise in July, peaking at 85%, compared to June's 74%. For more detailed insights, check out San Jose weather in July.
In comparing the weather between June and August, both months experience similar temperature ranges, with average highs around 29°C (85°F) and lows of 22-23°C (72-73°F). However, June is notably wetter, receiving 337 mm (13.3 in) of precipitation over 30 days, compared to August's 286 mm (11.2 in). Additionally, August has higher humidity levels at 82%, compared to June's 74%. For more details, you can refer to San Jose weather in August.
In comparing the weather of June and September, we see that both months have similar average temperatures, with June ranging from 23°C (73°F) to a maximum of 29°C (85°F) and September showing a slight decrease in max temperature at 29°C (84°F). However, June is significantly wetter, receiving 337 mm (13.3 in) of precipitation over 30 days, compared to September's 272 mm (10.7 in) over 29 days. Humidity levels also rise slightly in September to 80%, up from June's 74%. For more detailed insights, you can check San Jose weather in September.
In comparing the weather between June and October, both months feature similar average temperatures, with June having a slight edge in maximum temperature at 29°C (85°F) compared to October's 28°C (83°F). However, October experiences a higher total precipitation of 387 mm (15.2 in) over 28 days, while June sees 337 mm (13.3 in) spread over 30 days, resulting in a slightly wetter climate despite similar humidity levels, which are slightly elevated in October at 79% compared to June's 74%. For more detailed insights, you can refer to San Jose weather in October.
June and November exhibit relatively similar weather patterns, with both months characterized by warm temperatures and significant humidity. In June, temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), with an average of 25°C (78°F). Notably, June experiences heavier rainfall, totaling 337 mm (13.3 in) over 30 days. Conversely, November sees slightly lower temperatures, with a minimum of 22°C (72°F) and a maximum of 28°C (82°F), averaging 24°C (76°F). The precipitation in November is also less, at 306 mm (12.0 in) over 28 days, but humidity remains high at 79%. For more details, you can check San Jose weather in November.
In June, the weather is warmer and more humid, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (85°F) and an average of 25°C (78°F). The month is characterized by significant rainfall, with 337 mm (13.3 in) of precipitation spread across 30 days and humidity levels reaching 74%. In contrast, December offers slightly cooler temperatures, with a minimum of 20°C (69°F), an average of 24°C (75°F), and a maximum of 28°C (82°F). December sees reduced precipitation, totaling 212 mm (8.3 in) over 27 days, and a marginally lower humidity of 70%. For more detailed insights about December's climate, visit San Jose weather in December.
As June rolls into San Jose, the city experiences a shift in weather that sets it apart from other months. With average temperatures around 25°C (78°F) and a noticeable increase in humidity, the month can feel quite muggy. Daily rainfall becomes a regular occurrence, with precipitation spanning all 30 days, resulting in a total of 337 mm (13.3 in), making June one of the wettest months of the year. This consistent downpour contrasts sharply with the drier periods of the preceding months, fostering vibrant greenery and a lush landscape. If you're keen to explore the unique atmosphere of San Jose during this rainy season, discover more about its distinctive weather patterns at San Jose Climate.