San Juan
Dominican Republic
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
San Juan, Dominican Republic

January, like December, in San Juan, Dominican Republic, is another warm winter month, with temperature in the range of an average low of 14°C (57.2°F) and an average high of 29°C (84.2°F). January, November and December, with an average high-temperature of 29°C (84.2°F), are the coldest months. The month with the least rainfall in San Juan is January when the rain falls for 12 days and typically collects 20mm (0.8") of precipitation. Weather in January »

February, the last month of the winter, in San Juan, is a hot month, with average temperature fluctuating between 30°C (86°F) and 15°C (59°F). In San Juan, the average high-temperature is almost the same as in January - a hot 30°C (86°F). Weather in February »

March, the first month of the spring, in San Juan, is still a hot month, with average temperature fluctuating between 30°C (86°F) and 16°C (60.8°F). In San Juan, the average high-temperature in March remains the same as in February - a still hot 30°C (86°F). Weather in March »

April, the same as March, in San Juan, Dominican Republic, is a hot spring month, with average temperature varying between 31°C (87.8°F) and 18°C (64.4°F). In San Juan, the average high-temperature in April is almost the same as in March - a still hot 31°C (87.8°F). Weather in April »

The last month of the spring, May, is another tropical month in San Juan, Dominican Republic, with average temperature fluctuating between 31°C (87.8°F) and 19°C (66.2°F). In San Juan, the average high-temperature remains the same as in April - a still tropical 31°C (87.8°F). Weather in May »

June, the first month of the summer, in San Juan, is still a tropical month, with average temperature fluctuating between 31°C (87.8°F) and 19°C (66.2°F). In June, the average high-temperature remains the same as in May - a still hot 31°C (87.8°F). Weather in June »

July, the same as June, in San Juan, Dominican Republic, is another tropical summer month, with temperature in the range of an average high of 32°C (89.6°F) and an average low of 18°C (64.4°F). July through September, with an average high-temperature of 32°C (89.6°F), are the warmest months. In San Juan, it is raining for 15 days, with typically 111mm (4.4") of accumulated precipitation. Weather in July »

The last month of the summer, August, is also a hot month in San Juan, Dominican Republic, with average temperature fluctuating between 32°C (89.6°F) and 19°C (66.2°F). The warmest months are July through September, with an average high-temperature of 32°C (89.6°F). In San Juan, Dominican Republic, in August, during 15 rainfall days, 135mm (5.3") of precipitation is typically accumulated. Weather in August »

September, the first month of the autumn, in San Juan, is also a hot month, with average temperature fluctuating between 19°C (66.2°F) and 32°C (89.6°F). The warmest months are July through September, with an average high-temperature of 32°C (89.6°F). In San Juan, it is raining for 15 days, with typically 155mm (6.1") of accumulated precipitation. Weather in September »

October, like September, is a hot autumn month in San Juan, Dominican Republic, with average temperature fluctuating between 31°C (87.8°F) and 18°C (64.4°F). In San Juan, the average high-temperature is essentially the same as in September - a still tropical 31°C (87.8°F). Weather in October »

The last month of the autumn, November, is also a moderately hot month in San Juan, Dominican Republic, with average temperature fluctuating between 17°C (62.6°F) and 29°C (84.2°F). January, November and December, with an average high-temperature of 29°C (84.2°F), are the coldest months. In San Juan, during November, the rain falls for 14 days and regularly aggregates up to 72mm (2.8") of precipitation. Weather in November »

December, the first month of the winter, in San Juan, is still a warm month, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 15°C (59°F). The coldest months are January, November and December, with an average high-temperature of 29°C (84.2°F). In San Juan, in December, during 13 rainfall days, 44mm (1.7") of precipitation is typically accumulated. Weather in December »

What is the coldest month in San Juan?

The coldest months in San Juan are January, November and December, with an average high-temperature of 29°C (84.2°F).

How many days does it rain in San Juan?

In San Juan, Dominican Republic, during the entire year, the rain falls for 154 days and collects up to 1160mm (45.7") of precipitation.

What is the driest month in San Juan?

The month with the least rainfall is January when the rain falls for 12 days and typically collects 20mm (0.8") of precipitation.

What is the month with the least sunshine in San Juan?

Months with the least sunshine in San Juan are January, May, September through December, with an average of 7h of sunshine.

What are the months with the lowest UV index in San Juan?

January and December, with an average maximum UV index of 8, are months with the lowest UV index in San Juan.

What is the month with the most sunshine in San Juan?

Months with the most sunshine in San Juan, Dominican Republic, are February through April, June through August, with an average of 8h of sunshine.

What is the month with the highest UV index in San Juan?

Months with the highest UV index in San Juan are March through September, with an average maximum UV index of 12.

What is the rainiest month in San Juan?

The month with the most rainfall in San Juan, Dominican Republic, is May when the rain falls for 12 days and typically aggregates up to 189mm (7.4") of precipitation.

When are the longest days in San Juan?

The month with the longest days is June, with an average of 13.3h of daylight.

What are the warmest months in San Juan?

Warmest months in San Juan are July through September, with an average high-temperature of 32°C (89.6°F).

What is the month with the shortest days in San Juan?

With an average of 11h of daylight, December has the shortest days of the year.
Average temperature - San Juan, Dominican Republic
Average rainfall - San Juan, Dominican Republic
Average rainfall days - San Juan, Dominican Republic

The month with the highest number of rainy days is October (16 days).
Months with the lowest number of rainy days are February, March and April (10 days).

Average daylight / Average sunshine - San Juan, Dominican Republic

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

Months with most sunshine are February, March, April, June, July and August (Average sunshine: 8h).
Months with least sunshine are January, May, September, October, November and December (Average sunshine: 7).

Average UV index - San Juan, Dominican Republic

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).