January Weather in San Juan del Sur, Nicaragua

Last updated: August 31, 2025

In January, San Juan del Sur, Nicaragua offers a pleasant tropical climate, making it an inviting destination for travelers. With maximum temperatures reaching 29°C (84°F) and an average of 25°C (78°F), visitors can enjoy warm days while the evenings cool slightly to minimums around 23°C (73°F). Although rainfall is minimal, with just 17 mm (0.7 in) over 5 days, the humidity hovers at a comfortable 66%, ensuring a refreshing atmosphere. This delightful blend of warm temperatures and low precipitation makes January an excellent time to experience the beauty and charm of San Juan del Sur.

January Temperature in San Juan del Sur

In January, San Juan del Sur, Nicaragua, boasts pleasantly warm temperatures, with a minimum of 23°C (73°F) and an average of 25°C (78°F), peaking at a comfortable 29°C (84°F). This month's weather sets the stage for the warm season ahead, as temperatures gradually rise into February and March, where both the average and maximum temperatures increase by a degree. Notably, February enjoys slightly lower evenings with a minimum of 22°C (72°F), offering a reprieve before the heat intensifies in April and May, where highs reach up to 31°C (89°F). Overall, temperatures remain consistently warm throughout the first half of the year, making January a delightful time to experience the vibrant coastal charm of San Juan del Sur.

January Weather in San Juan del Sur: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Juan del Sur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan del Sur, January 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).
JanFebMarAprMayJunJulAugSepOctNovDec787879818181808080807978
Data source: Temperature data for San Juan del Sur generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in San Juan del Sur

In San Juan del Sur, Nicaragua, January typically ushers in the new year with minimal precipitation, averaging just 17 mm (0.7 in) over 5 days of rain. This marks a stark contrast to the upcoming months, where the rainfall intensifies significantly. As January transitions into February and March, the precipitation slightly decreases, but the real shift occurs from April onwards, where totals begin to swell, culminating in the region’s rainy season, notably in May with a staggering 258 mm (10.2 in) over 21 days. The trend highlights a transformation from relative dryness to a deluge, with October experiencing the peak rainfall of the year at 361 mm (14.2 in). This seasonal pattern not only defines the weather but also enriches the region’s lush landscapes, making it a vibrant, dynamic destination as the year progresses.

January Precipitation Trends in San Juan del Sur

The chart displays monthly precipitation patterns in San Juan del Sur, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Juan del Sur, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1714142025824312919024736215841
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Juan del Sur

In January, San Juan del Sur, Nicaragua experiences a comfortable humidity level of 66%, marking the start of the year with a pleasant atmosphere. As the months progress, humidity gradually decreases, reaching its lowest point in March through May, where it maintains a steady 63%. However, by June, the weather shifts dramatically, with humidity surging to 74% and peaking in the summer months of July and August at a notable 85% and 82%, respectively. This increase signals the arrival of the rainy season, which continues to influence humidity levels, keeping them elevated in September and October before gradually tapering off again in November and December. Overall, the humidity in San Juan del Sur reflects a pattern of seasonal fluctuations that accompany its tropical climate, ensuring a unique experience for visitors throughout the year.

January Average Humidity in San Juan del Sur

This chart illustrates the average monthly humidity levels in San Juan del Sur, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Juan del Sur 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in San Juan del Sur

In January, San Juan del Sur, Nicaragua experiences an intense UV Index of 11, categorizing exposure as extreme, with just a 10-minute burn time. This trend of extreme UV radiation persists throughout the year, peaking with an impressive UV Index of 15 in April, before gradually tapering to a notable 11 in November. While the sun’s intensity remains formidable, even dipping slightly to a very high index of 10 in December, it’s clear that visitors should remain vigilant year-round. With sustained high levels of UV exposure, particularly from January through May, adopting protective measures is essential. For a detailed look at the UV index throughout the year, be sure to check out San Juan del Sur UV Index.

Maximum UV Index Levels in San Juan del Sur for January

The chart shows the monthly maximum UV Index (UVI) for San Juan del Sur in January, 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 January, the maximum UV index in San Juan del Sur typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151414141313131110
Data source: San Juan del Sur January 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.

January Sunshine in San Juan del Sur

In January, San Juan del Sur welcomes the New Year with an impressive 263 hours of sunshine, setting the stage for a beautiful coastal retreat. As the months progress, the sun shines ever brighter, peaking in March with an exhilarating 334 hours that beckons beach-goers and adventurers alike. Following closely, April maintains a splendid 330 hours, while May dips slightly but still offers 303 hours of golden rays. All year round, the sun remains a steadfast companion, with pleasant sunshine well into November at 305 hours and wrapping up the year in December with a generous 325 hours. The trend illustrates a steady increase in daylight hours as the dry season unfolds, making San Juan del Sur a prime destination for sun seekers looking to bask in the warmth of Nicaraguan shores.

Monthly Sunshine Duration in San Juan del Sur: January Highlighted

The January sunshine duration represents the total number of hours San Juan del Sur experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec263h299h334h330h303h306h328h307h295h280h305h325h
Data source: San Juan del Sur January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Juan del Sur During January

In January, San Juan del Sur enjoys a 59% chance of sunny weather, making it a delightful time for sun-seekers. This month marks the tail end of the dry season, with the likelihood of sunshine trailing off as the year progresses into the wetter months. Interestingly, February sees an even brighter outlook at 71%, which is the highest probability of sunshine in the first quarter. As March rolls in, the chance dips to 62%, followed by a notable decline as temperatures rise. By the time April arrives, only 38% of days are likely to be sunny, signaling the onset of the rainy season. This trend highlights January as an optimal time to bask in the warm rays before the clouds begin to gather, making it a perfect month for outdoor activities and enjoying the coastal beauty of Nicaragua.

Percentage of Sunny Days in January in San Juan del Sur

The chart illustrates the percentage of sunny days in San Juan del Sur throughout the year, with January 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 Juan del Sur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%71%62%38%33%21%27%13%19%34%47%65%
Data source: San Juan del Sur January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Juan del Sur in January

In San Juan del Sur, Nicaragua, January marks the beginning of a well-balanced daylight rhythm, with 11 hours of sunlight that remains consistent through February. As the days stretch into early spring, March heralds the arrival of longer days, peaking at 12 hours of daylight from March through August. This trend illustrates a delightful balance that enhances outdoor activities and beach enjoyment during the warmer months. As autumn approaches in September, the daylight hours remain steady at 12 before gradually decreasing back to 11 hours in October, November, and December. This cyclical pattern highlights the region’s predictably inviting climate, making it a year-round destination for sunseekers and adventure enthusiasts alike.

Average Daylight Hours in San Juan del Sur for January

The chart illustrates the variation in daylight duration in San Juan del Sur throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 32m11h 45m12h 3m12h 22m12h 38m12h 45m12h 41m12h 27m12h 9m11h 51m11h 35m11h 27m
Data source: San Juan del Sur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in San Juan del Sur

In January, San Juan del Sur greets visitors with a refreshing average wind speed of 8.3 m/s (18 mph), setting the tone for a breezy start to the year. As the month transitions into February, the winds slightly decrease to 8.1 m/s, maintaining a consistent and invigorating atmosphere. The trend shows a subtle increase in March, where wind speeds rise to 8.6 m/s (19 mph), perfect for windsurfing and sailing enthusiasts. However, as the dry season progresses into April and May, a notable decline occurs, with speeds dropping to 6.4 m/s and 6.7 m/s respectively, signaling calmer waters ideal for leisurely beach days. The summer months of June through August see the winds soften even further, hitting lows of 4.8 m/s to 4.3 m/s, suggesting a tranquil coastal experience. As the year wanes, the winds pick up again in November with 7.0 m/s, leaving the breezy charm intact through December at 7.8 m/s. This cyclical dance of wind speeds paints a picture of San Juan del Sur as a dynamic destination, offering everything from energetic water sports to serene sunbathing.

Average January Wind Speed in San Juan del Sur

The chart displays monthly wind speed patterns in San Juan del Sur, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec8.3 m/s8.18.66.46.74.86.54.34.33.87.07.8
Data source: San Juan del Sur January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in San Juan del Sur Compares to Other Months

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

January and February in San Juan del Sur present a warm tropical climate, though February generally feels slightly warmer. In January, temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (84°F), with an average of 25°C (78°F) and a humidity level of 66%. Precipitation during this month is relatively low, totaling 17 mm (0.7 in) over about 5 days. In contrast, February sees temperatures ranging from 22°C (72°F) to 30°C (87°F), with an average of 26°C (79°F) and a slightly lower humidity of 64%. This month also brings even less rain, with only 14 mm (0.5 in) recorded over 4 days. For more detailed information on February weather, you can check San Juan del Sur weather in February.

In January, the weather in San Juan del Sur features warm temperatures with a minimum of 23°C (73°F) and an average of 25°C (78°F), reaching a maximum of 29°C (84°F). The month experiences approximately 17 mm (0.7 in) of precipitation over five days, accompanied by a humidity level of 66%. In contrast, March sees a slight increase in average temperature to 26°C (79°F), with maximum temperatures peaking at 31°C (87°F). Precipitation decreases to 14 mm (0.6 in) over just three days, and humidity levels slightly drop to 63%. For a more detailed look at March weather, you can visit San Juan del Sur weather in March.

In January, the weather in San Juan del Sur is warm but slightly cooler, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (84°F). This month experiences an average temperature of 25°C (78°F) and has around 17 mm (0.7 in) of precipitation over about 5 days, with humidity levels at 66%. In contrast, April sees a slight increase in temperature, with minimums at 24°C (75°F) and maximums reaching 31°C (89°F), averaging 27°C (81°F). Precipitation also rises to 20 mm (0.8 in), yet remains consistent with 5 rainy days and slightly lower humidity at 63%. For more specific details on April weather, check out San Juan del Sur weather in April.

In January, the weather in San Juan del Sur is warm and relatively dry, with temperatures averaging around 25°C (78°F) and a maximum of 29°C (84°F). The humidity stands at 66%, and there is only a modest amount of precipitation totaling 17 mm (0.7 in) over about 5 days. In contrast, May sees a noticeable increase in temperature, with average conditions around 27°C (81°F) and peaks reaching 31°C (88°F). However, May is significantly wetter, receiving 258 mm (10.2 in) of rainfall over 21 days, while humidity drops slightly to 63%. For a more detailed look at the weather during this month, check out San Juan del Sur weather in May.

In January, the weather in San Juan del Sur is typically warm and slightly less humid, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (84°F). The month sees relatively low precipitation, averaging only 17 mm (0.7 in) over about 5 days, resulting in a comfortable humidity level of 66%. In contrast, June brings higher temperatures, with minimums around 25°C (76°F) and maximums reaching up to 31°C (88°F). However, it also experiences significantly increased rainfall, totaling 243 mm (9.6 in) spread over 28 days, leading to a rise in humidity to 74%. For a detailed look at the weather conditions in June, you can check San Juan del Sur weather in June.

January and July in San Juan del Sur showcase distinct weather patterns. January typically experiences mild temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (84°F), with low precipitation of 17 mm (0.7 in) over just 5 days and a humidity level of 66%. In contrast, July brings warmer temperatures, with lows of 24°C (76°F) and highs reaching 30°C (86°F). However, July is marked by significantly higher precipitation, totaling 129 mm (5.1 in) across 27 days, accompanied by increased humidity at 85%. For more details on the weather in July, you can visit San Juan del Sur weather in July.

In comparing the weather between January and August, January offers slightly cooler temperatures, with average highs reaching 29°C (84°F) and only 17 mm of rainfall spread over about 5 days. The humidity level is reasonably comfortable at 66%. In contrast, August experiences warmer temperatures, averaging at 27°C (80°F), and sees higher precipitation levels, accumulating 190 mm over 28 days, resulting in higher humidity at 82%. For a more detailed look at the conditions during this month, you can visit San Juan del Sur weather in August.

In January, the weather is typically warm and relatively dry, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (84°F) and an average of 25°C (78°F). With only 17 mm (0.7 in) of precipitation over about 5 days, humidity is moderate at 66%. In contrast, September brings a noticeable shift, as temperatures rise slightly to a minimum of 24°C (76°F) and a maximum of 31°C (87°F), with an average of 27°C (81°F). However, it is also the wettest month of the year, accumulating 246 mm (9.7 in) of rain over 28 days, leading to increased humidity at 80%. For more details, you can check San Juan del Sur weather in September.

In January, the weather in San Juan del Sur is generally warm and dry, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (84°F). Precipitation is quite low, averaging just 17 mm (0.7 in) over about 5 days, and humidity stands at 66%. In contrast, October brings significantly heavier rainfall, with an average precipitation of 361 mm (14.2 in) over 29 days. Temperatures remain warm, ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F), but the humidity increases to 79%. For a detailed look at the weather in October, you can visit San Juan del Sur weather in October.

January and November in San Juan del Sur exhibit some notable differences in weather conditions. In January, temperatures range from a mild 23°C (73°F) to a warm 29°C (84°F), with an average of 25°C (78°F). The month experiences relatively low precipitation of 17 mm (0.7 in) spread over just 5 days, and humidity levels are at 66%. In contrast, November sees slightly higher temperatures, with a minimum of 24°C (76°F) and an average of 26°C (80°F), while still peaking at the same maximum of 29°C (84°F). However, this month is much wetter, with total precipitation reaching 158 mm (6.2 in) over 19 days and higher humidity at 79%. For more detailed information, visit San Juan del Sur weather in November.

In January, the weather remains warm with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (84°F), averaging around 25°C (78°F). The month experiences less precipitation, totaling 17 mm (0.7 in) over just 5 days, and humidity levels are moderately comfortable at 66%.

In contrast, December tends to be slightly cooler, with an average temperature of 26°C (79°F) and no change in the maximum, while retaining the minimum at 23°C (73°F). However, it sees significantly more rainfall, with 41 mm (1.6 in) over 12 days, and humidity is a bit higher at 70%. For those interested in detailed weather conditions, you can find additional information in San Juan del Sur weather in December.

Compare San Juan del Sur's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in San Juan del Sur

As January unfolds in San Juan del Sur, visitors can enjoy pleasantly warm temperatures, marking a delightful start to the year. Unlike the heavier rains of the wet season, January boasts lower precipitation levels, with only a handful of rainy days, allowing for plenty of sunshine and outdoor activities. The humidity remains moderate, providing a comfortable atmosphere for beachgoers and adventure seekers alike. Overall, January's weather serves as a charming transition, setting the stage for increasingly warmer months ahead. For a more in-depth look at the yearly climate patterns, check out the details in this comprehensive guide: San Juan del Sur Climate.