Day
31 °C
Night
20 °C
Sea
27 °C
Precipitation
21 mm
in month
Rainy days
2 days
in month
Daylight
11 hours
average
Sunshine
7 hours
average
Humidity
74 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Located in Nicaragua, the quaint coastal town of San Juan del Sur is characterized by its tropical climate, which offers a wide variety of weather conditions throughout the year. Daytime temperatures in this region span from a pleasant 31 °C (87 °F) during the cool month of October to a scorching 34 °C (93 °F) in the heat of April. Marine enthusiasts would be delighted to know that seawater temperatures range from a refreshing 26 °C (78 °F) in the chill of February to an inviting 29 °C (84 °F) in the warm month of June. Drenched by the heaviest showers, September sees an average of 16 days days of rain, while March boasts of its crown as the driest month with a scant 1 day. As the sun sets, the balmy night temperatures peak in May, hitting 23 °C (73 °F), whereas the gentlest of breezes cool the sleeping town in January with 20 °C (68 °F).
During January, San Juan del Sur is basked in the tourist season's warmth, with the dry season nearing its zenith. A decrease in the number of rainy days is witnessed at 1 day, and a similar drop is seen in the rainfall with a total of 12 mm (0.49 in). Observers can spot the minimal nocturnal temperatures alongside the month's highest wind speeds, recorded at 5.
February signals the continuation of the tourist influx in San Juan del Sur, with the dry season still in full swing. Amidst this time, the sea temperature plunges to its lowest at 26 °C (78 °F). Concurrently, daylight steadily grows warmer, reaching 33 °C (91 °F). A noteworthy rise in clear sun hours is evident, now tallying 8 hours. A notable dip in rainfall is also seen in February.
San Juan del Sur's tourist season ceases to slow down. Day temperatures continue on an upward trajectory, peaking at 34 °C (93 °F), while nocturnal temperatures begin their ascent in March. The region enjoys a maximum of sunlight hours, recorded at 8 hours. The number of rainy days dwindles, reaching its annual low point at 1 day. Meanwhile, March sees humidity falling to its lowest.
As April blossoms, the mercury hits its peak with daytime temperatures reaching 34 °C (93 °F) in San Juan del Sur. Sea temperatures are on a gentle incline, now at 27 °C (81 °F). San Juan del Sur ushers in more tourists as the calendar progresses. A nascent increase in the number of rainy days is perceivable, marked by 2 days, paralleling a rise in precipitation as well. Nighttime temperatures continue to climb, currently standing at 22 °C (71 °F).
May sees the continuation of the tourism season in San Juan del Sur with a gradual downturn in daytime temperatures, now at 33 °C (91 °F), while sea temperatures persist in their steady rise. An upward trend in both rainfall and rainy days is apparent, evidenced by 9 days. Nighttime warmth reaches its height at 23 °C (73 °F).
June's shadow over San Juan del Sur casts a continuing decline in daytime temperatures, which are now measured at 31 °C (88 °F). Sea temperatures hit their yearly maximum at 29 °C (84 °F). A rise is recorded for both the number of rainy days, reaching 12 days, and the accumulation of precipitation. Dimming sun hours are noted, having dipped to 6 hours.
July witnesses the tourist season in full swing. The decline in rainfall amount begins, indicated by 137 mm (5.40 in), and a similar trend is observed for rainy days. With the approach of August, sunlight hours begin to ascend slightly, now at 6 hours.
San Juan del Sur approaches the height of its tourist season in August with day temperatures ascending slightly to 31 °C (89 °F). A noticeable increase in the count of rainy days is observed, now at 11 days. A similar pattern is seen in precipitation. As the month draws on, the amount of sun without cloud cover begins to wane, resting at 5 hours.
With the wet season starting to make its presence known in San Juan del Sur, a record-high in rainy days can be marked at 16 days, alongside an uptrend in rainfall volume, noted at 249 mm (9.79 in). There is a decrement in wind speed during this month.
The persistence of the wet season in San Juan del Sur is unmistakable. Day temperatures hit their yearly low at 31 °C (87 °F). The descent of rainy days begins, reflected in 14 days of rain, while the highest amounts of rainfall for the year are measured in this month. The minimal sun hours also make their mark, noted at 5 hours. October sees relative humidity reaching its maximum.
As tourists start to flock once more to San Juan del Sur, the sea temperature enters a period of decline, registering at 27 °C (81 °F). A monitored fall is also evident in nighttime temperatures, now averaging 21 °C (70 °F). The decrease in rainy days is also notable, with a figure of 7 days, just as precipitation levels start to drop in November. A resurgence in sunlight hours is spotted, increasing to 7 hours.
December marks a rise in day temperatures, climbing to 31 °C (89 °F) in San Juan del Sur, while the sea temperature continues its descent, recording 27 °C (80 °F). The count of rainy days also keeps reducing, now at 2 days, with rainfall levels likewise on a downward trend. The town remains a popular tourist spot, with nocturnal temperatures also seeing a mild drop, currently at 20 °C (69 °F).
Night temperatures in San Juan del Sur in January average a cool 20 °C (68 °F). It's perfect for a comfortable rest after a day of adventure.
In February, expect minimal rainfall in San Juan del Sur, with the area receiving an average of just 1 mm (0.05 in).
In March, an average of 8 hours of glorious sunlight per day graces San Juan del Sur.
April marks a slight upturn in San Juan del Sur's rain pattern, with 2 days of rainfall expected throughout the month.
In May, the rainfall becomes more frequent in San Juan del Sur, with an average occurrence of 9 days of rain in the month.
Expect pleasantly warm seas in San Juan del Sur during June, with sea temperatures peaking at around 29 °C (84 °F).
The sea in San Juan del Sur during July is typically warm, averaging 28 °C (83 °F), suitable for swimming and water activities.
In August, the duration of daily sunlight in San Juan del Sur begins to shorten, falling to an average of 5 hours.
September is San Juan del Sur's wettest month, with precipitation levels reaching a high of 249 mm (9.79 in).
October in San Juan del Sur comes with the highest humidity levels of the year, averaging 88 %.
November sees a gradual decline in night temperatures in San Juan del Sur with averages around 21 °C (70 °F).
December brings to San Juan del Sur moderate winds, averaging out at 4, ensuring a pleasant climate for holidaymakers.