Monthly weather forecast and climate
San Juan del Sur, Nicaragua

What is the coldest month in San Juan del Sur?

The coldest months in San Juan del Sur, Nicaragua, are January and June, with an average high-temperature of 26°C (78.8°F).

How many days does it rain in San Juan del Sur?

In San Juan del Sur, during the entire year, the rain falls for 171 days and collects up to 1706mm (67.2") of precipitation.

What is the month with the coldest sea water in San Juan del Sur?

Month with the coldest seawater in San Juan del Sur, Nicaragua, is February, with an average sea temperature of 26.8°C (80.2°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the warmest month in San Juan del Sur?

The warmest month in San Juan del Sur, Nicaragua, is March, with an average high-temperature of 29°C (84.2°F) and an average low-temperature of 23°C (73.4°F).

What is the driest month in San Juan del Sur?

The only month without rainfall is March.

When does it rain in San Juan del Sur?

January, February, April through December are months with rainfall in San Juan del Sur.

When is the sea warmest in San Juan del Sur?

With an average sea temperature of 29.3°C (84.7°F), August is the month with the warmest seawater in San Juan del Sur. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the wettest month in San Juan del Sur?

The month with the most rainfall is October when the rain falls for 21 days and typically aggregates up to 460mm (18.1") of precipitation.
Average rainfall - San Juan del Sur, Nicaragua
Average rainfall days - San Juan del Sur, Nicaragua

The month with the highest number of rainy days is September (24 days).
Months with the lowest number of rainy days are February and March (5 days).

Average sea temperature - San Juan del Sur, Nicaragua

The best month for swimming (with the highest average sea temperature) is August (29.3°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).

Average daylight / Average sunshine - San Juan del Sur, Nicaragua

The month with the longest days is June (Average daylight: 12.8h).
The month with shortest days is December (Average daylight: 11.5h).

Months with most sunshine are January, February, March and April (Average sunshine: 8h).
The month with least sunshine is October (Average sunshine: 5h).

Average UV index - San Juan del Sur, Nicaragua

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 10).

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