Last updated: August 21, 2025
Experience the vibrant weather of Jaco, Costa Rica in April, where the tropical climate brings an alluring mix of warmth and moisture. With maximum temperatures reaching 29°C (85°F) and an average of 27°C (81°F), visitors can bask in the pleasant heat, perfect for beach outings and outdoor adventures. However, be prepared for frequent showers, as the month records 130 mm (5.1 in) of rainfall over 21 days, contributing to an average humidity level of 67%. Embrace the lush landscapes and the rich biodiversity that thrive in this wet atmosphere, making April a unique time to explore Jaco’s natural beauty.
In April, Jaco, Costa Rica, continues to bask in warm tropical weather, with minimum temperatures consistently hovering around 25°C (77°F). The average temperature remains stable at 27°C (81°F), and maximums reach a pleasant 29°C (85°F), much like the preceding months. This steady warmth characterizes the early part of the dry season, making April an ideal time for visitors to enjoy the sun-drenched beaches and vibrant local culture. As the month progresses, temperatures slightly dip in May, marking the transition towards the wetter months, but April's reliable warmth creates a perfect backdrop for outdoor adventures and relaxation.
April marks a significant turn in Jaco, Costa Rica's precipitation pattern, with 130 mm (5.1 in) of rainfall over 21 days. This sharp increase from March’s light showers not only signals the arrival of the rainy season, but also sets the stage for the heavier downpours that follow in May and beyond, where precipitation leaps dramatically to 474 mm (18.7 in). The transition is unmistakable, as the lush landscapes flourish under the nourishing rains, creating a vibrant backdrop for the coastal town. April’s rainfall emerges as a precursor to the wettest months ahead, instilling a rhythm of life in Jaco that blends both the beauty of nature's renewal and the invigorating pace of a tropical paradise.
In April, Jaco, Costa Rica experiences a humidity level of 67%, which is a slight increase from March's 66% and provides a comfortable atmosphere for outdoor activities. As the season transitions into the warmer months, humidity gradually rises, with May reaching 69%. This slight uptick is a precursor to the more significant jump in June when humidity soars to 84%, marking the onset of the rainy season. Interestingly, throughout the early months of the year, humidity levels remain relatively stable, hovering around the 68% mark. Overall, April's moderate humidity serves as an inviting prelude to the lush, tropical environment that defines the latter part of the year.
In April, Jaco, Costa Rica experiences an intense UV Index of 14, categorizing the exposure risk as extreme, with a burn time of just 10 minutes. This trend of high UV levels continues from March, which also recorded a UV Index of 13, suggesting that visitors should take extra precautions to protect their skin. As April ushers in the dry season, the UV index remains notably elevated, matching the levels observed in May and July. It's a potent reminder that while the sun's rays may be tempting, the need for sunscreen and protective clothing is more crucial than ever. For those planning outdoor activities, being mindful of the sun's strength is essential for safety. To learn more about the UV Index in Jaco throughout the year, check out Jaco UV Index.
UV Risk Categories
April brings a delightful blend of sunshine to Jaco, Costa Rica, with an impressive 310 hours of sunlight illuminating the tropical landscape. This makes it one of the sunniest months of the year, following a remarkable March that recorded 332 hours of bright days. As spring unfolds, April showcases a slight dip, yet it remains vibrant compared to the subsequent months like May and July, which both fall below 260 hours. Notably, the month stands out as a transitional period, balancing the lingering warmth of summer and the refreshing start of the rainy season. With its ample sunshine, April is a perfect time for visitors to bask in the beauty of Jaco, enjoying its stunning beaches and myriad outdoor adventures.
In Jaco, Costa Rica, the likelihood of sunny weather sees a notable decline as April approaches, with a mere 25% chance of sun. This marks a significant drop from the preceding months, as January through March boast percentages in the mid to upper 50s, reflecting a much sunnier disposition. The following months, starting with May, dip even lower, illustrating a trend towards cloudier skies and increased rainfall as the rainy season sets in. Thus, while visitors may still catch glimpses of sun in April, it’s wise to prepare for a shift toward wetter weather as the month progresses.
In April, Jaco, Costa Rica, enjoys a delightful 12 hours of daylight, a trend that begins in March and continues through May. This consistent daylight duration not only enhances the vibrant atmosphere of the region but also offers ample opportunities for outdoor activities and exploration. As the months transition from the longer days of the early months, the shift to 11 hours of daylight in October signals the start of a gradual decrease, creating a rhythmic pattern that beautifully aligns with the changing seasons. Visitors can revel in the sun-soaked days of April, making it an ideal time to experience the stunning beaches and lush landscapes that Jaco has to offer.
In April, the winds in Jaco, Costa Rica maintain a gentle rhythm, averaging 2.6 m/s (6 mph), consistent with the month's breezy reputation. Following a gradual increase in wind speed from January through March, April sees a slight dip before picking up again in May. This pattern reflects a transitional phase as the coastal climate begins to shift towards the warmer months ahead. Interestingly, the wind speeds in Jaco tend to hover in the 6 mph range for much of the year, but notable gusts arise in the summer, peaking at 3.2 m/s (7 mph) in August. This blend of mild and spirited breezes creates an inviting atmosphere for beachgoers and surfers alike, making April a delightful time to enjoy the coastal charm of Jaco.
Weather in Jaco varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Jaco, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of April and January, both months feature a similar temperature profile, with minimum temperatures around 25°C (77°F) and average daily highs reaching 29°C (85°F). However, April experiences significantly more precipitation, totaling 130 mm (5.1 in) over 21 days, in contrast to January's much drier 36 mm (1.4 in) spread across just 7 days. Additionally, the humidity levels are comparable, with April at 67% and January slightly higher at 68%. For more detailed information, you can check out this link: Jaco weather in January.
When comparing the weather in April and February, both months exhibit similar temperature ranges, with minimum, average, and maximum temperatures consistently around 25°C, 27°C, and 29°C (77°F, 81°F, and 85°F, respectively). However, April experiences significantly higher precipitation, totaling 130 mm (5.1 in) over 21 days, in stark contrast to February's mere 12 mm (0.5 in) across just 3 days. Additionally, humidity levels are slightly lower in February at 68%, compared to April's 67%. For more detailed insights, you can check out Jaco weather in February.
In comparing the weather of March and April, both months experience similar high temperatures, with March averaging around 28°C (82°F) and April slightly lower at 27°C (81°F). However, April sees significantly more precipitation, with 130 mm (5.1 in) over 21 days, compared to March's mere 13 mm (0.5 in) over just 3 days. Additionally, humidity levels remain relatively stable, with April at 67% and March at 66%. For those interested in a detailed overview of March weather in Jaco, you can refer to this link: Jaco weather in March.
In April, the weather in Jaco features a consistent temperature range, with minimums around 25°C (77°F), average highs of 27°C (81°F), and maximums peaking at 29°C (85°F). However, April is also a relatively wet month, experiencing around 130 mm (5.1 in) of precipitation over 21 days, accompanied by a humidity level of 67%.
In contrast, May sees similar temperatures, with minimums of 25°C (77°F) and an average temperature of 27°C (81°F), but maximums drop slightly to 29°C (84°F). Notably, May is considerably wetter, with precipitation soaring to 474 mm (18.7 in) spread over 30 days, and humidity increases slightly to 69%. For a more detailed look at the weather conditions in May, you can check Jaco weather in May.
In comparing the weather of April and June, both months exhibit similar temperature ranges, with April's minimum, average, and maximum temperatures hovering around 25°C (77°F), 27°C (81°F), and 29°C (85°F) respectively, while June sees slightly lower max temperatures at 29°C (84°F). However, June experiences significantly higher precipitation, totaling 393 mm (15.5 in) across 29 days, compared to April's 130 mm (5.1 in) over 21 days. Additionally, humidity levels rise in June to 84%, up from April's 67%, making it feel increasingly muggy. For more details on the weather, check out Jaco weather in June.
In comparing the weather between April and July, both months exhibit similar temperature ranges, with minimums around 25°C (77°F), averages hovering at approximately 27°C (81°F), and maximums peaking at 29°C (85°F) in April and slightly lower at 29°C (84°F) in July. However, a marked difference lies in the precipitation levels and humidity; April experiences 130 mm (5.1 in) of rainfall over 21 days at a humidity level of 67%, while July sees a significant increase in precipitation, totaling 358 mm (14.1 in) across 30 days, accompanied by higher humidity at 85%. This shift indicates that July is not only wetter but also more humid than April. For a detailed look at the weather patterns, check out Jaco weather in July.
In comparing the weather between April and August, we see that both months experience similar temperature ranges, with April having slightly higher maximum temperatures at 29°C (85°F) compared to August's 28°C (83°F). However, August is significantly wetter, receiving 495 mm (19.5 in) of precipitation over 30 days, compared to April's 130 mm (5.1 in) across 21 days. Additionally, humidity levels are higher in August at 82%, compared to April's 67%, making August feel more humid and damp. For more detailed information about conditions during August, you can visit Jaco weather in August.
April and September both feature similar temperature ranges, with minimums around 25°C (77°F) and maximums peaking at 29°C (85°F) in April and 28°C (83°F) in September. However, September experiences significantly higher rainfall, with precipitation totals reaching 461 mm (18.2 in) over 29 days, compared to April’s 130 mm (5.1 in) over 21 days. Additionally, humidity levels are higher in September at 81%, compared to April's 67%. These factors combined make September a notably wetter month, impacting outdoor plans and activities. For more detailed insights, you can explore Jaco weather in September.
April and October exhibit notably similar temperature ranges, with both months featuring minimum temperatures around 25°C (77°F) and average highs of 29°C (85°F) in April, slightly cooler at 28°C (82°F) in October. However, October experiences significantly higher precipitation, totaling 638 mm (25.1 in) over 30 days, compared to April's 130 mm (5.1 in) over 21 days. The humidity also tends to be higher in October, averaging 80%, while April hovers around 67%. For more information on the weather conditions during this time, you can check Jaco weather in October.
April and November exhibit similar warm temperatures, with April having an average of 27°C (81°F) and November slightly cooler at 26°C (79°F). Both months see minimum temperatures around 25°C, but November tends to be wetter, receiving 303 mm (11.9 in) of precipitation over 26 days compared to April's 130 mm (5.1 in) spread across 21 days. Additionally, November's humidity rises to 80%, making it feel more damp than the 67% average humidity of April. For a detailed look at what to expect in November, check out Jaco weather in November.
In comparing the weather conditions of April and December, both months showcase a tropical climate with minimal temperature variation, as average daytime highs hover around 27°C (81°F). April experiences slightly higher humidity levels at 67%, while December's humidity rises to 72%. Precipitation is also a notable factor; April receives about 130 mm (5.1 in) over 21 days, compared to December’s 125 mm (4.9 in) across 16 days. For those interested in more specific details about December weather in Jaco, you can check out Jaco weather in December.
April in Jaco brings a warm embrace, with temperatures remaining consistently inviting, making it a delightful time to visit. As the month unfolds, expect frequent rain showers, culminating in an average of 21 rainy days, which is notably higher than other months, adding an element of spontaneity to your outdoor plans. The increased humidity at 67% contributes to a tropical feel, enhancing the lush landscapes that Costa Rica is famous for. If you're planning a trip, be sure to check out more about the local climate to fully prepare for your adventure—visit Jaco Climate for further details!