July Weather in San Jose, Costa Rica

Last updated: August 21, 2025

Experience the vibrant July weather in San Jose, Costa Rica, where warm temperatures create a tropical atmosphere. With a maximum of 28°C (84°F) and an average of 25°C (77°F), the days are pleasantly inviting, while the minimum dips to a cozy 22°C (73°F) at night. However, prepare for frequent rainfall as July sees an impressive precipitation total of 270 mm (10.6 in) over 30 days. The air is often humid, averaging around 85%, contributing to the lush greenery and vibrant landscapes that define this beautiful region. Embrace the tropical charm as you navigate the lively streets of this capital city!

July Temperature in San Jose

In July, San Jose, Costa Rica experiences a delightful blend of mild temperatures that perfectly capture the essence of its tropical climate. With minimums around 22°C (73°F) and averages settling at 25°C (77°F), the weather remains pleasantly warm, making it an ideal time for outdoor explorations. The peak temperatures reach a comfortable 28°C (84°F), offering a refreshing respite from the heat, especially during the early afternoons. As the rainy season progresses, you may feel a slight increase in humidity; however, the consistent temperatures create a cozy atmosphere that is perfect for enjoying the lush surroundings. Overall, July in San Jose presents a harmonious balance of warmth and mildness, inviting both locals and travelers to embrace the vibrant culture and picturesque landscapes.

July Weather in San Jose: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, 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).
JanFebMarAprMayJunJulAugSepOctNovDec757576787877777777777675
Data source: Temperature data for San Jose 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 San Jose

In July, San Jose, Costa Rica, experiences significant rainfall, with an average precipitation of 270 mm (10.6 in) spread over 30 days, aligning with the region's rainy season. This robust downpour follows an already wet June, which recorded the highest rainfall of the year at 337 mm (13.3 in). The trends highlight that July serves as a key transitional month, maintaining high precipitation levels and contributing to the lush greenery before next month's slightly dryer conditions emerge. Overall, the persistence of rain throughout July underscores the vibrant and dynamic climate of this Central American city.

July Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, 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 San Jose, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1489610275297337271286272387306212
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Jose

In July, San Jose, Costa Rica experiences a significant spike in humidity, reaching an average of 85%—the highest point of the year. This dramatic increase follows a gradual rise from the more moderate levels earlier in the year, where humidity hovered around 63% from January to May. After a jump to 74% in June, July ushers in the peak of the wet season, setting the stage for lush foliage and vibrant landscapes. As the year unfolds, humidity slightly decreases in August and September but remains notably high, illustrating a distinct trend: San Jose's climate is characterized by a humid tropical feeling, especially during the mid-year months. This seasonal shift not only affects the local weather but also enriches the region's natural beauty.

July Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, 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 San Jose is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%64%63%63%63%74%85%82%80%79%79%70%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in San Jose

In July, the UV Index in San Jose, Costa Rica reaches a striking 14, categorized as extreme, which means you'll want to be particularly cautious about sun exposure. This intensity is consistent with the previous months of April through June, where a UV Index of 14 was recorded, signaling that the summer sun shows no sign of letting up. Even as we transition into August, the UV Index remains high at 13, indicating a persistent need for protective measures. With a burn time of just 10 minutes across these summer months, locals and visitors alike should prioritize skin safety. For those looking to plan their outdoor activities wisely, checking the details regularly is crucial. For further insights, visit San Jose UV Index.

Maximum UV Index Levels in San Jose for July

The chart shows the monthly maximum UV Index (UVI) for San Jose 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 San Jose typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314141414141313131110
Data source: San Jose 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 San Jose

July shines brightly in San Jose, Costa Rica, boasting 312 hours of sunshine, making it a delightful mid-year escape. This month maintains a strong position within the sunny lineup, falling comfortably between the sun-drenched heights of March's 332 hours and the slightly dimmer shades of August's 293 hours. The trend showcases a consistent abundance of sunshine throughout the year, with only a slight dip in cloud cover during the month's humid preceding months. This perfect July weather invites both locals and travelers to embrace the sun-soaked landscapes, enjoying the vibrant culture and the lush, green surroundings that flourish under Costa Rica's radiant skies.

Monthly Sunshine Duration in San Jose: July Highlighted

The July sunshine duration represents the total number of hours San Jose 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.
JanFebMarAprMayJunJulAugSepOctNovDec258h298h332h325h293h293h312h293h284h272h298h318h
Data source: San Jose July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Jose During July

July in San Jose, Costa Rica, heralds the heart of the rainy season, with only a 19% chance of sunny weather. This marks a notable decline from earlier months, as the likelihood of sunshine dips significantly from June's 17% and is well below the more favorable odds seen in January through April. In fact, the trend reveals a steady decrease in sunshine from the start of the year, reaching its nadir in July and continuing through August, when the chances plummet to just 9%. While the lush landscape thrives under these conditions, travelers should brace for the reality that July tends to offer more cloud cover and rain than clear skies in this vibrant Central American hub.

Percentage of Sunny Days in July in San Jose

The chart illustrates the percentage of sunny days in San Jose 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 San Jose experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%51%47%29%23%17%19%9%15%25%28%42%
Data source: San Jose July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Jose in July

In July, San Jose, Costa Rica enjoys a pleasant 12 hours of daylight, which is consistent with the surrounding months of June and August. The daylight duration remains relatively stable after the transition from the longer days of March through May. This provides a wonderful opportunity for locals and visitors alike to savor the vibrant culture and stunning landscapes under the sun. As the year progresses, daylight gradually diminishes, dipping to 11 hours by October, highlighting the subtle yet captivating shifts of light in this tropical paradise. Whether you're exploring the lush rainforests or experiencing the lively city atmosphere, July's ample daylight invites adventure and exploration.

Average Daylight Hours in San Jose for July

The chart illustrates the variation in daylight duration in San Jose throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 33m11h 46m12h 3m12h 21m12h 37m12h 44m12h 40m12h 27m12h 9m11h 51m11h 36m11h 28m
Data source: San Jose daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in San Jose

In July, San Jose, Costa Rica experiences a consistent average wind speed of 4.5 m/s (10 mph), mirroring the calm breezes of both April and May. This month marks a shift from the stronger winds of prior months, such as March's peak at 5.7 m/s (13 mph). Following the gentle declines observed in June, where winds dropped to a mere 3.3 m/s (7 mph), July maintains a moderate airflow, offering a refreshing environment as the dry season settles in. As the year progresses toward its latter half, wind speeds tend to soften, particularly in August and September, hinting at the tranquil charm that defines the Costa Rican highlands.

Average July Wind Speed in San Jose

The chart displays monthly wind speed patterns in San Jose, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.15.74.54.53.34.5 m/s3.03.02.64.65.3
Data source: San Jose July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in San Jose Compares to Other Months

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

In July, the weather tends to be warmer and more humid, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 28°C (84°F). This month also experiences significant rainfall, with 270 mm (10.6 in) of precipitation spread over 30 days, resulting in a humidity level of 85%. In contrast, January features slightly cooler temperatures, with averages from 20°C (68°F) to 27°C (82°F), and it receives less rainfall at 148 mm (5.8 in) across 22 days, leading to lower humidity at 66%. For more detailed information on January weather, you can refer to San Jose weather in January.

When comparing the weather in July and February, notable differences emerge. July typically features a minimum temperature of 22°C (73°F) and an average of 25°C (77°F), while February has slightly cooler temperatures, with a minimum of 20°C (68°F) and an average of 24°C (76°F). Both months reach a maximum of 28°C (83°F), but July is characterized by significantly higher precipitation, totaling 270 mm (10.6 in) over 30 days, compared to February's 96 mm (3.8 in) across 20 days. Additionally, the humidity in July is much higher at 85%, contrasting with February's more comfortable 64%. For a more detailed look at February’s climate, check out San Jose weather in February.

In comparing the weather of July and March, July is significantly warmer and more humid, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 28°C (84°F), contrasted with March's slightly lower temperatures, which range from 21°C (69°F) to 28°C (83°F). July also sees a much higher precipitation level at 270 mm (10.6 in) over 30 days, compared to March's 102 mm (4.0 in) across 23 days. The humidity in July is notably higher at 85%, while March offers a more comfortable humidity level of 63%. For a more detailed look at the weather specifics, visit San Jose weather in March.

When comparing the weather in April and July, one can notice distinct differences. April experiences slightly cooler temperatures, with a minimum of 22°C (71°F) and an average of 26°C (78°F), reaching a maximum of 30°C (87°F). In contrast, July maintains a minimum of 22°C (73°F) but has an average temperature of 25°C (77°F), peaking at 28°C (84°F).

Precipitation also varies significantly; July is quite rainy, with 270 mm (10.6 inches) of rain over 30 days, resulting in a high humidity of 85%. Meanwhile, April sees much less rain, only 75 mm (2.9 inches) over 19 days, and a lower humidity level of 63%. For more details on the weather in April, you can visit San Jose weather in April.

In comparing the weather of July and May, July tends to be slightly cooler with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 28°C (84°F), while May enjoys slightly warmer averages, peaking at 30°C (85°F). However, July experiences higher precipitation levels, with 270 mm (10.6 in) of rainfall over 30 days compared to May's 297 mm (11.7 in) across 28 days. Notably, humidity levels are significantly higher in July at 85%, compared to May's more moderate 63%. For more detailed information, check San Jose weather in May.

In comparing the weather of July and June, both months exhibit similar average temperatures, with July experiencing a minimum of 22°C (73°F) and an average of 25°C (77°F), while June has a slightly higher minimum of 23°C (73°F) and an average of 25°C (78°F). However, June tends to be wetter, with precipitation reaching 337 mm (13.3 in) compared to July's 270 mm (10.6 in). Interestingly, humidity levels are higher in July at 85%, compared to 74% in June, which can make July feel more oppressive despite the slightly cooler temperatures. For more details on June's weather, you can visit San Jose weather in June.

In comparing the weather conditions of July and August, both months present a similar temperature range, with minimums around 22°C (73°F) and average highs of 25°C (77°F). However, August experiences a slightly warmer maximum temperature of 29°C (85°F) compared to July's 28°C (84°F). Precipitation also shows a modest increase in August, with 286 mm (11.2 in) over 30 days, up from 270 mm (10.6 in) in July, accompanied by a slight drop in humidity from 85% to 82%. For more details on the weather in August, you can visit San Jose weather in August.

In comparing the weather between July and September, both months experience similar temperature ranges with minimums around 22°C (73°F), average temperatures of about 25°C (77°F), and maximums reaching 28°C (84°F) in July and 29°C (84°F) in September. Precipitation levels are slightly higher in July, with 270 mm (10.6 in) over 30 days, compared to September’s 272 mm (10.7 in) over 29 days. Humidity also decreases in September, averaging 80% compared to July's 85%. For more specific details regarding September weather, check out San Jose weather in September.

In July, the weather is typically hot and humid, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 28°C (84°F) and an average of 25°C (77°F). This month experiences significant precipitation, totaling 270 mm (10.6 in) over 30 days, resulting in a high humidity level of 85%. Conversely, October sees similar temperature patterns, maintaining minimum and maximum temperatures of 22°C (72°F) and 28°C (83°F), respectively, with an average still at 25°C (77°F). However, October is wetter, with precipitation reaching 387 mm (15.2 in) across 28 days and a slightly lower humidity level of 79%. For more detailed insights, you can check San Jose weather in October.

In July, the weather in San Jose tends to be warm and humid, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 28°C (84°F) and an average of 25°C (77°F). However, the month experiences significant rainfall, totaling 270 mm (10.6 in) over 30 days, leading to a high humidity level of 85%. In contrast, November offers slightly cooler temperatures, with minimums at 22°C (72°F) and averages around 24°C (76°F), peaking at 28°C (82°F). Although November sees a higher total precipitation of 306 mm (12.0 in) spread over just 28 days, humidity levels are somewhat lower at 79%. For more detailed information on November weather, you can visit San Jose weather in November.

In comparing the weather of July and December, both months feature warm temperatures, with July having a slightly higher average temperature (25°C or 77°F) compared to December's average of 24°C (75°F). July is characterized by higher humidity at 85%, while December enjoys a drier atmosphere with humidity at 70%. Precipitation is notably higher in July, totaling 270 mm (10.6 in) over 30 days, whereas December sees less rainfall at 212 mm (8.3 in) across 27 days. For a detailed overview of weather conditions in December, you can visit San Jose weather in December.

Compare San Jose's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in San Jose

In July, San Jose experiences a distinct shift in weather patterns, with higher humidity and consistent rainfall that sets it apart from other months. While the temperatures remain relatively mild, peaking around 28°C (84°F), the nearly 30 days of precipitation can make this time of year feel quite different. The rich tropical atmosphere not only enhances the lush landscapes but also creates a unique vibrancy in the city. For those looking to explore the beauty of San Jose during this rainy season, it's essential to embrace the showers, adding a magical touch to the city's charm. To learn more about the weather nuances throughout the year, visit San Jose Climate.