Last updated: August 21, 2025
Experience the vibrant July weather in Alajuela, Costa Rica, where temperatures range from a comfortable 16°C (61°F) at night to a pleasant 27°C (81°F) during the day. The month brings an average temperature of 21°C (69°F), making it ideal for exploring the lush landscapes. However, be prepared for frequent rain, as July sees an average of 233 mm (9.2 in) of precipitation over 26 days, resulting in an humidity level of approximately 85%. Embrace the tropical atmosphere and take advantage of the stunning natural beauty that flourishes with each refreshing shower.
In July, Alajuela, Costa Rica experiences mild and consistent temperatures, making it an appealing month for visitors. The month kicks off with nighttime lows around 16°C (61°F), gradually rising to comfortable daytime highs of 27°C (81°F). This reflects a slight warming compared to the cooler months of early spring, while the average temperature hovers around 21°C (69°F), maintaining a pleasant atmosphere. Though similar in warmth to June, July typically embraces a mix of refreshing breezes and occasional tropical showers, characteristic of the region's rainy season. As the ecosystem thrives during this vibrant time, July presents an ideal setting for those looking to explore the lush landscapes of this stunning country.
In July, Alajuela, Costa Rica, experiences a significant spike in precipitation, with 233 mm (9.2 inches) of rain falling over 26 days of the month. This consistent rainfall marks a continuation of the wet season, following a particularly heavy May and June, which saw 391 mm and 351 mm respectively. While July's total is lower than the intensity of the preceding months, it remains a crucial contributor to the region's lush landscape and rich biodiversity. As the rains persist, the transition into August brings even more moisture, illustrating a gradual escalation towards the peak wet season in September and October. Overall, the trend highlights a dynamic rain pattern that shapes Alajuela's vibrant environment during this period of the year.
In July, Alajuela, Costa Rica experiences a notable spike in humidity, reaching 85%, which is among the highest levels of the year. This increase follows a trend observed since June, where humidity surged to 84%, indicating the onset of the rainy season. As the year progresses, humidity levels generally fluctuate, peaking in the mid-year months of June and July before slowly decreasing in August to 82% and further in subsequent months. Interestingly, while the humidity in the earlier months remains relatively stable around the 68-69% range, it showcases a marked shift as the country transitions into its more humid season. This seasonal variability highlights the tropical climate of Alajuela, making it a lush and vibrant destination, particularly in the heart of summer.
In July, Alajuela, Costa Rica, continues the trend of intense solar exposure that characterizes the region's early months, featuring a UV Index of 14, which falls under the extreme category. With a consistent burn time of just 10 minutes, it's clear that the sun's powerful rays remain relentless during this peak period. This pattern of high UV ratings, seen from January through June, shows minimal fluctuation, indicating that precautions against sunburn are essential for residents and visitors alike. This resilience in UV intensity prevails into August, making it important to stay informed and protected. For more detailed insights, check out the Alajuela UV Index.
UV Risk Categories
July in Alajuela, Costa Rica, typically offers a modest 209 hours of sunshine, reflecting a gradual decline from the sunniest months earlier in the year. Following a vibrant peak in March with 329 hours, the sunshine hours begin to wane in the summer, marking July as one of the less radiant months, nestled between June's 226 hours and August's slight uptick to 213 hours. This pattern highlights a transitional phase, as lush green landscapes emerge from the rainy season, providing a refreshing contrast to the sunshine. While July may not boast the same brilliance as spring months, the gentle sun creates a tranquil atmosphere perfect for exploring Alajuela’s vibrant culture and stunning nature.
In Alajuela, Costa Rica, the likelihood of enjoying sunny weather in July is relatively low, with only a 17% chance of sunshine. This trend represents one of the driest periods of the year, as the region transitions into its rainy season. Notably, the sun shines brightest in the early months, particularly January with a 52% chance, gradually tapering off until July. Such patterns reveal that, while July may not be ideal for sun-seekers, it sets the stage for the lush greenery and vibrant landscapes that await the diligent visitor willing to embrace the tropical climate.
In Alajuela, Costa Rica, the month of July enjoys a consistent 12 hours of daylight, which is part of a broader trend that stabilizes the region's daylight hours during the mid-year. From March through September, the daylight remains steady at 12 hours, providing a wonderful balance that allows for ample time to explore the lush landscapes and vibrant culture. As the year progresses towards the end, daylight gradually decreases to 11 hours in October and returns to this duration through November and December. This rhythmic pattern of daylight duration highlights Costa Rica's tropical climate, making it an inviting destination throughout the year.
In July, Alajuela, Costa Rica experiences a gentle breeze with an average wind speed of 1.5 m/s (3 mph), reflecting a continuation of the calmer patterns seen since June. This month marks a slight uptick from the previous month, suggesting an easing into the drier season, yet it remains one of the quieter periods of the year. The trend of declining wind speeds notably peaks around mid-year, with winds beginning to pick up again as the region transitions into the more blustery months of November and December. Overall, July's winds embody the serene essence of the region, perfect for outdoor activities amidst the lush, vibrant landscapes of Costa Rica.
Weather in Alajuela varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Alajuela, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of July and January, July tends to be warmer and significantly wetter, with average temperatures around 21°C (69°F) and total precipitation of 233 mm (9.2 in) spread over 26 days. In contrast, January features slightly cooler temperatures, averaging at 20°C (68°F), and a much drier climate, receiving only 32 mm (1.3 in) of rain over just 6 days. Additionally, July's humidity level is notably higher at 85%, while January enjoys a lower humidity of 68%, making for a more comfortable atmosphere. For more details on January weather, you can check Alajuela weather in January.
In comparing the weather between July and February, it’s clear that July is marked by higher humidity and significantly more precipitation. With average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 27°C (81°F), July experiences about 233 mm (9.2 in) of rain over 26 days, contributing to a muggy atmosphere with 85% humidity. In contrast, February showcases milder conditions, with temperatures that vary from a minimum of 13°C (56°F) to a maximum of 28°C (83°F). This month has notably lower rainfall, totaling only 13 mm (0.5 in) over just 3 days, leading to a fresher and less humid environment at 68% humidity. For more detailed insights, visit Alajuela weather in February.
In comparing the weather between July and March, we see distinct differences. July experiences a wider range of temperatures, with minimums around 16°C (61°F) and maximums reaching up to 27°C (81°F). However, it is characterized by heavy precipitation, with 233 mm (9.2 in) falling over 26 days, resulting in high humidity levels of 85%. In contrast, March enjoys a similar average temperature of 21°C (70°F), but with slightly warmer maximums at 28°C (83°F). Notably, March has significantly less rainfall, with only 15 mm (0.6 in) over 4 days and lower humidity at 66%. For more insights, you can check out Alajuela weather in March.
When comparing the weather in July and April, both months feature similar average temperatures around 21°C (70°F), but their conditions vary significantly. July experiences slightly cooler minimum temperatures, with a low of 16°C (61°F), while April's minimum is just 15°C (58°F). However, April boasts a higher maximum temperature of 29°C (85°F), compared to July's peak of 27°C (81°F). Precipitation also differs greatly: July is much wetter, with 233 mm (9.2 in) of rainfall over 26 days, whereas April sees a more moderate 79 mm (3.1 in) across 16 days. Humidity is notably higher in July at 85%, compared to April's 67%. For a more detailed look at what to expect during this season, check out Alajuela weather in April.
When comparing the weather in July and May, both months exhibit a similar temperature range, with minimums around 16°C (61°F) and average highs of approximately 21°C (69°F in July and 70°F in May). However, July tends to be slightly cooler with a maximum of 27°C (81°F), while May can reach up to 28°C (83°F). Notably, May experiences significantly higher precipitation, with 391 mm (15.4 in) over 27 days compared to July’s 233 mm (9.2 in) over 26 days, along with a lower humidity level of 69% in May versus 85% in July. For more detailed insights, visit Alajuela weather in May.
In comparing the weather of June and July, both months experience similar temperature ranges, with minimums around 16°C (61°F), averages of approximately 21°C (69°F), and maximums hitting 27°C (81°F). However, July sees a decrease in precipitation, totaling 233 mm (9.2 in) across 26 days, compared to June's significantly higher 351 mm (13.8 in) over 27 days. The humidity levels remain fairly consistent, with July at 85% and June at 84%. For more details, you can check out Alajuela weather in June.
In comparing the weather between July and August, both months experience similar minimum temperatures, around 16°C (61°F), creating a consistent warm atmosphere. However, August sees a slight dip in the average temperature at 20°C (69°F), compared to July's average of 21°C (69°F). Notably, August is characterized by increased rainfall, with total precipitation rising to 331 mm (13.0 in) over 26 days, compared to July’s 233 mm (9.2 in) over the same number of days. Humidity levels are also slightly lower in August at 82%, compared to July's higher 85%. For a more detailed look at August weather in Alajuela, you can visit Alajuela weather in August.
When comparing the weather in July and September, both months share a similar range of daytime temperatures, with maximums reaching around 27°C (81°F). However, July typically averages a slightly higher temperature of 21°C (69°F) compared to September's average of 20°C (68°F). In terms of precipitation, September experiences a significant increase, with 436 mm (17.2 in) of rain over 28 days, compared to July's 233 mm (9.2 in) over 26 days. Interestingly, the humidity is slightly lower in September at 81%, compared to July's 85%. For more detailed information, you can check Alajuela weather in September.
In comparing the weather in July and October, we see some notable differences and similarities. Both months feature similar maximum temperatures, peaking at 27°C (80°F), while July has a slightly higher average temperature of 21°C (69°F) compared to October's 20°C (68°F). However, October is much wetter, with a staggering 570 mm (22.4 in) of precipitation over 29 days, compared to July's 233 mm (9.2 in) over 26 days. Additionally, humidity levels are relatively high in both months, with July at 85% and October a bit lower at 80%. To learn more about the specific weather conditions in October, you can check this link: Alajuela weather in October.
In comparing the weather between July and November, we find that both months offer mild temperatures, but with some differences. July typically has a minimum temperature of 16°C and an average of 21°C, with maximums reaching 27°C, while November shows slightly cooler temperatures with a minimum of 15°C and an average of 20°C, peaking at 26°C. Precipitation is a significant factor, as July experiences more rain with 233 mm over 26 days, compared to November's 209 mm spread across 19 days. Humidity levels are also relatively high in both months, with July at 85% and November at 80%. For more specific insights on November weather, you can visit Alajuela weather in November.
In comparing the weather between July and December, we see some notable differences. In July, temperatures range from a minimum of 16°C (61°F) to a maximum of 27°C (81°F), with an average temperature of 21°C (69°F). This month is characterized by higher precipitation, totaling 233 mm (9.2 in) across 26 days, and humidity levels reaching 85%. Conversely, December displays slightly cooler temperatures, with a minimum of 15°C (58°F) and a maximum of 26°C (80°F), averaging 20°C (68°F). Precipitation significantly decreases to 63 mm (2.5 in) over just 11 days, and humidity drops to 72%. For more detailed information, you can visit Alajuela weather in December.
In July, Alajuela experiences a distinct weather pattern that sets it apart from other months. Characterized by high humidity levels and frequent rain, it can often feel quite muggy, with significant precipitation shaping the landscape. The temperatures remain mild, providing a comfortable average that encourages outdoor activities amidst the lush, green scenery fostered by the rains. While it's a wetter month, the vibrant flora and refreshed atmosphere make July a unique and captivating time to explore the region. To learn more about Alajuela's diverse weather throughout the year, visit Alajuela Climate.