Last updated: August 21, 2025
January in San Ramon, Costa Rica offers a delightful blend of warm temperatures and refreshing humidity. With daily highs reaching 31°C (87°F) and averages around 23°C (74°F), visitors can enjoy pleasant weather while exploring the area. Nights cool down to a comfortable 17°C (63°F), perfect for restful evenings. Although January sees a modest precipitation total of 28 mm (1.1 in) spread over approximately 7 days, the lush surroundings thrive, enriching the local flora. Relative humidity remains at 68%, contributing to the region's vibrant tropical atmosphere.
In January, San Ramon, Costa Rica, welcomes the New Year with delightful temperatures that range from a mild 17°C (63°F) at night to a warm 31°C (87°F) during the day. This month features an average temperature of 23°C (74°F), making it a comfortable time for outdoor adventures and exploring the lush landscapes. As the year progresses into February and March, temperatures start to warm slightly, with days reaching up to 32°C (89°F) in March. However, the nights remain fairly consistent, only dipping to 16°C (62°F) to 18°C (64°F). Throughout the dry season, until May, the climate remains generally stable, characterized by steady daytime highs around 30°C (86°F) and pleasant evenings, providing an ideal setting for enjoying Costa Rica's vibrant culture and natural beauty. As June brings the onset of the rainy season, temperatures decline slightly but remain comfortably warm, with daily highs around 29°C (85°F), ensuring that San Ramon's inviting warmth persists year-round.
In January, San Ramon experiences relatively low precipitation, with 28 mm (1.1 in) of rain falling over just seven days. This sets the stage for a dry start to the year, contrasting sharply with the onset of the rainy season that follows, where April to October sees a dramatic increase in rainfall. Notably, April alone receives 118 mm (4.6 in), marking a transition into the lush, vibrant landscape that defines Costa Rica. The rains peak in October, accumulating 639 mm (25.2 in), while the number of wet days skyrockets from three in February to a staggering 30 in May and June. This trend underlines the region's distinct wet and dry seasons, highlighting how January serves as a brief respite before the lush green hills are nourished by the heavy rains that follow.
In January, San Ramon, Costa Rica, experiences a comfortable humidity level of 68%, which sets the tone for a series of similarly pleasant months, with February maintaining the same level. As March rolls in, there is a slight dip to 66%, but April nudges it back up to 67%. The onset of the rainy season in May brings an increase to 69%, leading to a significant rise in humidity as the year progresses. By June, the humidity skyrockets to 84%, peaking in July at 85%, creating a lush, tropical atmosphere. As the months proceed to the end of the year, humidity remains high yet slightly lower, averaging around 80% from August through November, before tapering off to 72% in December. This trend highlights the distinct shift from the dry season's moderate levels to the intensely humid conditions characteristic of the rainy season.
In January, San Ramon, Costa Rica, experiences a UV Index of 12, placing it in the extreme exposure category with a notable burn time of just 10 minutes. This trend of intense UV radiation continues throughout the early months of the year, peaking at 15 in March and April before gradually tapering off in December to a very high index of 10. It's clear that sun safety is crucial, as the extreme conditions are consistent from January through May, showcasing an environment where protecting your skin is essential. With these levels, outdoor enthusiasts should remain vigilant and take proper precautions. For more detailed information on UV levels throughout the year, visit San Ramon UV Index.
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January in San Ramon, Costa Rica, sets a vibrant tone for the year with an impressive 249 hours of sunshine. As we transition into February, the days grow even brighter, offering 296 hours, which signals the onset of a sunnier season. March shines the brightest, reaching a peak of 329 hours before slightly dipping in April to 300 hours. The trend shifts as summer approaches, with May experiencing a decline to 235 hours, followed by a steady decrease through the mid-year months of June and July, averaging just over 200 hours. However, by September, the golden rays return, bringing 230 hours of sunshine and continuing the upward trajectory into the final months of the year. November and December wrap up the year with 229 and 291 hours respectively, showcasing the region's dynamic climate and the allure of its sunny disposition throughout the seasons.
In January, San Ramon, Costa Rica, boasts a 57% chance of sunny weather, making it one of the brighter months in the region. As the year progresses, this likelihood slightly dips in February to 55% and continues to trend downward through March at 52%. However, starting in April, the chances of sunshine dramatically wane, plummeting to 24%, and further decreasing to a mere 7% by August. A slow recovery begins in November with a 31% chance of sun, but the bittersweet return of sunnier days peaks again just before the year closes with 56% in December. This pattern highlights how January serves as a pivotal moment for those seeking ample sunshine in San Ramon, aligning perfectly for travelers eager to enjoy the region's natural beauty.
In San Ramon, Costa Rica, January marks the beginning of the year with a consistent 11 hours of daylight, a trend that remains steady through February. However, as spring approaches in March, daylight begins to extend, reaching 12 hours and maintaining this duration through the lush months of April to September. This extended daylight period is perfect for enjoying the vibrant landscape and outdoor activities. As the year winds down, daylight once again shrinks to 11 hours from October through December, bringing a sense of quiet reflection to the lush valleys. Overall, the rhythm of daylight in San Ramon beautifully mirrors the changing seasons, offering both balance and variety throughout the year.
January in San Ramon, Costa Rica, welcomes visitors with light breezes, averaging 2.0 m/s (4 mph), a trend that continues seamlessly into February. These pleasant winds create a comfortable atmosphere, perfect for outdoor explorations. As spring approaches in March, the wind picks up slightly to 2.1 m/s (5 mph), adding a refreshing touch. However, as the dry season progresses into April and May, wind speeds drop to their yearly lows, hovering around 1.5 m/s (3 mph) and 1.3 m/s (3 mph), respectively. This gentle stillness is characteristic of these months, leading into a transitional period where the winds remain mild through the summer. The pattern showcases a notable decline as the year unfolds, with speeds tapering off to 1.1 m/s (2 mph) by October, creating a serene environment throughout the rainy season. By December, winds begin to pick up again, suggesting a return to the comfortable breezes of the beginning of the year, wrapping up the seasonal cycle in San Ramon.
Weather in San Ramon varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in San Ramon, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in January is characterized by slightly higher average temperatures, with a minimum of 17°C (63°F) and an average of 23°C (74°F), while February sees a similar minimum of 16°C (62°F) and a marginally warmer average of 24°C (76°F). Both months experience a maximum temperature of 31°C (87°F in January, 88°F in February), but February is noticeably drier, receiving only 13 mm (0.5 in) of precipitation over 3 days compared to January's 28 mm (1.1 in) over 7 days. Humidity remains consistent at 68% in both months, providing a warm and mildly humid atmosphere. For a more detailed look at the weather patterns, you can visit San Ramon weather in February.
In comparing the weather between January and March, January features slightly cooler temperatures, with a minimum of 17°C (63°F) and an average of 23°C (74°F), while March sees a rise, starting at a minimum of 18°C (64°F) and averaging 25°C (77°F). Both months experience warm maximum temperatures, with January peaking at 31°C (87°F) and March slightly higher at 32°C (89°F). Precipitation also decreases from 28 mm (1.1 in) over 7 days in January to just 18 mm (0.7 in) over 4 days in March, indicating drier conditions as the year progresses. Humidity remains fairly consistent, with January at 68% and March slightly lower at 66%. For those looking for detailed insights, visit San Ramon weather in March.
January and April exhibit notable differences in weather conditions. In January, temperatures range from a minimum of 17°C (63°F) to a maximum of 31°C (87°F), with an average of 23°C (74°F) and relatively low precipitation of 28 mm (1.1 in) over about 7 rainy days. In contrast, April shows slightly warmer temperatures, with a minimum of 18°C (64°F) and an average of 24°C (76°F), but experiences significantly higher rainfall, totaling 118 mm (4.6 in) over 24 days. The humidity remains fairly consistent between the two months, at 68% in January and 67% in April. For detailed insights into April weather, you can visit San Ramon weather in April.
In January, the weather in San Ramon boasts warm temperatures, with a minimum of 17°C (63°F), an average of 23°C (74°F), and a maximum of 31°C (87°F). The month sees relatively low precipitation, totaling 28 mm (1.1 in) over about 7 days, and humidity levels are moderately high at 68%. In contrast, May experiences slightly warmer temperatures, with a minimum of 19°C (67°F), an average of 24°C (75°F), and a maximum of 30°C (86°F). However, May is significantly wetter, with 412 mm (16.2 in) of rain spread across 30 days, while humidity remains comparable at 69%. For a detailed look at the weather in May, you can visit San Ramon weather in May.
In January, the weather in San Ramon features a warm average temperature of 23°C (74°F), with a maximum of 31°C (87°F) and a minimum of 17°C (63°F). The month experiences relatively low precipitation, with only 28 mm (1.1 in) over about 7 days and a humidity level of 68%. In contrast, June sees slightly warmer temperatures, with an average of 24°C (75°F) and a maximum temperature of 30°C (86°F). However, June is significantly wetter, receiving a substantial 397 mm (15.6 in) of rainfall throughout the month, often spread across 30 days, accompanied by higher humidity at 84%. For more detailed information, check out San Ramon weather in June.
In January, the weather tends to be warm with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 31°C (87°F). This month experiences relatively low precipitation, totaling 28 mm (1.1 in) over about seven days, and the humidity is moderately comfortable at 68%. In contrast, July brings slightly cooler temperatures, with averages from 19°C (67°F) to a maximum of 29°C (85°F). However, it sees a significant increase in rainfall, accumulating 296 mm (11.7 in) over the entire month, spread across approximately 30 days, leading to higher humidity levels at 85%. For a more detailed look at July's weather, visit San Ramon weather in July.
In January, the weather features mild temperatures with a minimum of 17°C (63°F) and an average of 23°C (74°F), reaching a maximum of 31°C (87°F). The month experiences relatively low precipitation, totaling only 28 mm (1.1 in) over approximately 7 days, accompanied by a humidity level of 68%. In contrast, August exhibits warmer temperatures, starting at a minimum of 19°C (66°F) and averaging the same 23°C (74°F), but peaking slightly lower at 30°C (85°F). However, it is marked by significantly higher rainfall of 393 mm (15.5 in), spread across 30 days, resulting in a higher humidity of 82%. To learn more about the specific conditions in August, you can check San Ramon weather in August.
In January, the weather is generally warm and relatively dry, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 31°C (87°F) and an average of 23°C (74°F). Precipitation is low at 28 mm (1.1 in) spread over about 7 days, and humidity sits at 68%. In contrast, September experiences slightly cooler temperatures with a minimum of 18°C (66°F) and a maximum of 29°C (85°F), maintaining the same average of 23°C (74°F). However, September is significantly wetter, with precipitation reaching 461 mm (18.2 in) over 29 days and humidity increasing to 81%. For a detailed look at the weather specifics, you can check San Ramon weather in September.
In January, the weather is generally warm and pleasant, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 31°C (87°F) and an average of 23°C (74°F). Precipitation is relatively low, totaling 28 mm (1.1 in) over about 7 days, and humidity sits at around 68%. In contrast, October experiences a notable shift, with temperatures slightly higher, ranging from 18°C (66°F) to a maximum of 29°C (84°F) and maintaining a similar average of 23°C (73°F). However, October is characterized by significantly increased rainfall, totaling an impressive 639 mm (25.2 in) across 30 days, along with higher humidity levels of 80%. For more detailed insights, visit San Ramon weather in October.
In comparing the weather between January and November, January tends to be slightly warmer with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 31°C (87°F), while November's temperatures are a bit cooler, with a minimum of 18°C (64°F) and a maximum of 29°C (85°F). Both months average around 23°C (74°F); however, November is significantly wetter, receiving 251 mm (9.9 in) of precipitation over 28 days, compared to just 28 mm (1.1 in) over 7 days in January. Additionally, humidity levels are higher in November at 80% compared to January's 68%, making November feel more humid overall. For more details, you can visit San Ramon weather in November.
In January, the weather is quite favorable with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 31°C (87°F), accompanied by relatively low precipitation at 28 mm (1.1 in) over 7 days and humidity at 68%. In contrast, December experiences slightly warmer temperatures, with a minimum of 18°C (65°F) and a maximum of 30°C (86°F). However, it sees significantly higher precipitation, measuring 72 mm (2.8 in) across 18 days, along with a humidity level of 72%. Overall, while both months share similar average temperatures, December is marked by increased rainfall and humidity compared to the drier conditions of January. For more details, you can check San Ramon weather in December.
January in San Ramon offers a delightful blend of warm temperatures, typically ranging from pleasant days to cooler evenings, setting it apart from the chillier months that precede it. With an average temperature of 23°C (74°F), residents and visitors enjoy a comfortable climate that encourages outdoor activities. While the month does receive some rainfall—averaging 28 mm (1.1 in) over a handful of days—the humidity remains moderate at 68%, making the overall atmosphere enjoyable. This unique weather pattern marks January as a refreshing transitional month, ideal for exploring the natural beauty of Costa Rica. For more detailed insights, check out San Ramon Climate.