Last updated: August 21, 2025
January in Zarcero, Costa Rica offers a delightful blend of mild temperatures and refreshing humidity, making it an ideal time for outdoor exploration. With maximum temperatures reaching 27°C (80°F) and an average of 19°C (67°F), visitors can enjoy pleasant days, while the cool nights drop to a minimum of 13°C (55°F). Despite a modest precipitation total of 67 mm (2.7 in) over approximately 10 days, the lush landscape thrives, showcasing the region's natural beauty. The humidity level at 71% adds to the vibrant atmosphere, inviting travelers to immerse themselves in the picturesque surroundings of this charming destination.
In January, Zarcero, Costa Rica, welcomes the year with a delightful climate characterized by cool mornings, with minimum temperatures around 13°C (55°F), and comfortable afternoons that can reach up to 27°C (80°F). The average temperature settles at a pleasant 19°C (67°F), making it an ideal time for outdoor activities. As the month transitions into February, there’s a slight upward trend in temperatures; both the minimum and maximum temperatures rise a degree, providing even warmer days. This gradual increase continues into March, where temperatures hover between 13°C (56°F) and 28°C (82°F). As the dry season progresses into April and May, Zarcero experiences its warmest days of the year, with highs touching 29°C (85°F) and balmy averages around 21°C (71°F). Overall, January sets the stage for a mild and enjoyable environment, paving the way for the warmer months ahead.
In Zarcero, Costa Rica, January marks a transitional period with a moderate precipitation total of 67 mm (2.7 in) over approximately 10 rainy days. This relatively dry month sets the stage for the escalating rains that follow, particularly in April, where precipitation sharply rises to 92 mm (3.6 in). The trend continues into the heart of the rainy season from May to October, during which the area experiences significant rainfall, peaking in **October with an impressive 434 mm (17.1 in). This consistent increase in precipitation underscores the region's lush, verdant landscape, making Zarcero a vibrant destination as it rapidly transitions from the drier beginning of the year to a lush, rain-soaked paradise by mid-year.
In January, Zarcero, Costa Rica, experiences a comfortable humidity level of 71%, setting the stage for a slightly drier start to the year. This trend continues into February and March, where humidity levels hold steady at 70% and 68% respectively. However, as April rolls around, the moisture begins to creep back up to 69%, suggesting the onset of the wet season. This gradual increase becomes more pronounced towards the mid-year months, with June peaking at 81%, and July soaring to a humid 88%. The subsequent months, including August and September, maintain high humidity levels, hovering around 85% and 84%. By the time the year comes full circle, December sees a dip back down to 74%, providing a hint of respite from the lush, tropical moisture that characterizes much of Zarcero’s climate. Overall, January presents a refreshing prelude to the lush, humid months that follow.
In January, Zarcero, Costa Rica, experiences a UV Index of 12, categorized as extreme, with an alarming burn time of just 10 minutes. This trend continues throughout the early months of the year, peaking in April at a UV Index of 15 before slightly dropping to 14 in May and maintaining that level through July. As summer transitions to fall, the UV Index begins to ease slightly, with November and December providing a minor reprieve at 11 and 10, respectively, yet still categorized as extreme and very high. It's essential for visitors and locals alike to remain vigilant against UV exposure, as a brief moment in the sun can lead to skin burns. For detailed information, check out the Zarcero UV Index.
UV Risk Categories
In January, Zarcero, Costa Rica, welcomes the year with an inviting 228 hours of sunshine, setting a vibrant tone for the months ahead. As the season progresses, the sunlight dances its way up to a peak in March, where the average soars to 320 hours, basking the town in its warm glow. Following this zenith, sunlight begins to gradually decline, hitting 294 hours in April and dipping to 234 hours by May. The subsequent months present a gentle ebb, with June and July bringing the least sunshine at 219 hours and 195 hours, respectively. August shows a slight recovery with 209 hours, before the sunshine fluctuates modestly through the remaining months, culminating in a substantial 261 hours by December. This yearly rhythm of sunlight not only enhances Zarcero's charm but also creates a picturesque landscape that captures the essence of Central American beauty.
In Zarcero, Costa Rica, January brings a 32% chance of sunny weather, a figure that remains consistent through February and March before dipping significantly in the coming months. This notable sunshine during the early part of the year contrasts sharply with the rainy season that follows, where the likelihood of sun plummets to a mere 4% in August and peaks again at the end of the year with a modest 33% in December. Overall, if you're looking to enjoy clear skies and pleasant temperatures, January is one of the prime times to visit, making it an ideal escape from drearier winter climates elsewhere.
In January, Zarcero, Costa Rica, enjoys an average of 11 hours of daylight, a duration that remains consistent through February. As the year progresses into March, this daylight length increases to 12 hours, a trend that continues uninterrupted from April through August. This sustained period of ample sunlight supports the region's lush landscapes and vibrant flora. However, with the arrival of September, daylight hours begin to taper off, returning to 11 hours by October and persisting through the end of the year. This rhythm of daylight in Zarcero paints a beautiful picture of seasonal change, balancing vibrant growth with the quietude of a shorter day, inviting both residents and visitors to appreciate its captivating beauty all year round.
In Zarcero, Costa Rica, January ushers in a gentle breeze with an average wind speed of 2.8 m/s (6 mph), providing a refreshing start to the year. This moderate wind continues into March, maintaining the same speed, while February slightly dips to 2.6 m/s (6 mph). As the months progress toward the dry season, winds gradually decline, reaching their lowest at 1.2 m/s (3 mph) by October. However, there's a noticeable increase in November as winds pick up again to 2.2 m/s (5 mph), setting the stage for the year-end festivities. Overall, January stands out for its brisk yet comfortable conditions, perfect for outdoor activities amid the lush landscapes of this charming region.
Weather in Zarcero varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Zarcero, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February showcase relatively mild and pleasant weather, but there are some distinct differences between the two months. In January, temperatures range from a minimum of 13°C (55°F) to a maximum of 27°C (80°F), with an average temperature of 19°C (67°F). This month sees considerable rainfall, with 67 mm (2.7 in) of precipitation over 10 days and a humidity level of 71%. In contrast, February tends to be slightly warmer, with a minimum of 12°C (55°F) and a maximum of 28°C (83°F), averaging around 20°C (68°F). Notably, February experiences significantly less rain, receiving just 28 mm (1.1 in) over 9 days, and maintains a similar humidity level at 70%. For detailed weather specifics in February, you can check out Zarcero weather in February.
In January, temperatures in Zarcero range from a minimum of 13°C (55°F) to a maximum of 27°C (80°F), with an average temperature of 19°C (67°F). The month experiences moderate rainfall, with a total precipitation of 67 mm (2.7 in) spread over 10 days, coupled with humidity levels around 71%.
In contrast, March shows a slight warming trend, with temperatures starting at the same minimum of 13°C (56°F) but reaching up to 28°C (82°F), and an average of 20°C (69°F). Precipitation decreases significantly to 38 mm (1.5 in) over 10 days, and humidity drops slightly to 68%.
For more detailed insights on the weather, check out Zarcero weather in March.
When comparing the weather in January and April, we notice several differences. January typically sees a minimum temperature of 13°C (55°F) and an average of 19°C (67°F), while April is slightly warmer, starting at a minimum of 15°C (59°F) and averaging 21°C (71°F). The maximum temperatures in January reach up to 27°C (80°F), whereas in April, they climb higher to 29°C (85°F). Additionally, April experiences more rainfall, with a total of 92 mm (3.6 in) over 19 days compared to January's 67 mm (2.7 in) over 10 days. Despite the increased precipitation, humidity levels remain relatively stable, with January at 71% and April slightly lower at 69%. For more detailed information, you can check Zarcero weather in April.
In January, the weather features milder temperatures with a minimum of 13°C (55°F) and an average of 19°C (67°F), reaching a maximum of 27°C (80°F). Precipitation is relatively low at 67 mm (2.7 in) over about 10 days, accompanied by a humidity level of 71%. In contrast, May brings warmer temperatures, with a minimum of 16°C (61°F), an average of 21°C (71°F), and a maximum of 29°C (85°F). However, May is significantly wetter, receiving 306 mm (12.0 in) of rainfall over 29 days, while maintaining a similar humidity level at 70%. For a more detailed look at the weather conditions, you can check Zarcero weather in May.
In January, the weather features milder temperatures ranging from a minimum of 13°C (55°F) to a maximum of 27°C (80°F), with an average of 19°C (67°F). This month experiences relatively low precipitation at 67 mm (2.7 in) over about 10 days, resulting in a humidity level of 71%. In contrast, June sees warmer conditions, with temperatures starting at a minimum of 16°C (62°F) and peaking at 28°C (82°F), averaging 21°C (71°F). However, June is significantly wetter, receiving 268 mm (10.6 in) of rainfall spread over 28 days, while humidity increases slightly to 81%. For a detailed look at the weather specifics in June, you can check Zarcero weather in June.
January and July exhibit notable contrasts in weather. In January, temperatures range from a minimum of 13°C (55°F) to a maximum of 27°C (80°F), with an average temperature of 19°C (67°F). The month sees 67 mm (2.7 in) of precipitation over approximately 10 days, accompanied by a humidity level of 71%. In contrast, July experiences higher humidity at 88%, with temperatures ranging from 17°C (63°F) to a maximum of 27°C (81°F), averaging 21°C (70°F). However, July also brings significantly more rain, with 241 mm (9.5 in) falling over 28 days. For detailed information, you can check Zarcero weather in July.
January and August present contrasting weather patterns. In January, temperatures range from a minimum of 13°C (55°F) to a maximum of 27°C (80°F), with an average of 19°C (67°F). This month experiences relatively moderate precipitation of 67 mm (2.7 in) over 10 days, accompanied by a humidity level of 71%. Conversely, August is noticeably warmer, with temperatures ranging from a minimum of 16°C (62°F) to a maximum of 29°C (84°F) and an average of 21°C (70°F). However, August also brings significantly higher rainfall, totaling 273 mm (10.8 in) over 29 days, and an increased humidity of 85%. For more detailed insights on August weather in Zarcero, you can visit Zarcero weather in August.
In January, the weather in Zarcero is generally mild with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 27°C (80°F). During this month, the region experiences an average precipitation of 67 mm (2.7 in) over about 10 days, contributing to a humidity level of 71%.
In contrast, September sees slightly warmer temperatures with a minimum of 16°C (62°F) and a maximum of 28°C (83°F), while the average temperature hovers around 21°C (70°F). However, this month is significantly wetter, with a staggering 288 mm (11.3 in) of precipitation spread across 29 days, resulting in increased humidity at 84%. The stark difference in rainfall and humidity levels highlights September's more tropical climate. For more details on the weather specifics, check Zarcero weather in September.
In comparing the weather of January and October, January presents milder conditions with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 27°C (80°F). There is moderate rainfall during this month, with 67 mm (2.7 in) of precipitation spread over about 10 days and humidity levels around 71%. In contrast, October experiences slightly warmer temperatures, with a minimum of 16°C (61°F) and the same maximum of 27°C (81°F), but significantly higher rainfall, totaling 434 mm (17.1 in) across 30 days and increased humidity at 82%. This stark difference in precipitation and humidity highlights October as a much wetter month. For more details, check the Zarcero weather in October.
When comparing the weather in January and November, we observe some notable differences. January tends to be slightly warmer, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 27°C (80°F), while November has a slightly higher average of 20°C (69°F), peaking at 26°C (79°F). However, November experiences significantly more rainfall, with a substantial 228 mm (9.0 in) spread over 26 days, compared to January's 67 mm (2.7 in) over just 10 days. Humidity levels also rise in November, averaging at 81%, compared to January's 71%. For a more detailed look at the November weather patterns, you can visit Zarcero weather in November.
In January, temperatures are slightly warmer with an average of 19°C (67°F), compared to December's average of 20°C (68°F). The minimum temperature in January is 13°C (55°F), while December has a slightly higher minimum of 14°C (58°F). January sees less precipitation at 67 mm (2.7 in) over 10 days, compared to December, which has significantly more rainfall at 121 mm (4.7 in) across 17 days. Humidity levels are also slightly lower in January at 71%, compared to December's 74%. For more detailed information, you can visit Zarcero weather in December.
January in Zarcero showcases a delightful mix of warm days and cooler nights, setting it apart from the more intense temperatures experienced in other months. With an average temperature hovering around a comfortable 19°C (67°F), visitors can expect a refreshing climate, although a modest amount of precipitation, spread over about ten days, adds a lush vibrancy to the landscape. This month also brings a notable humidity level, creating a pleasant atmosphere ideal for exploring the area's stunning natural beauty. For a deeper dive into Zarcero's weather patterns throughout the year, check out Zarcero Climate.