Climate and monthly weather forecast
Punta Santiago, PR

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The climate of Punta Santiago

The Tropical Monsoon climate, expressed as 'Am' in the Köppen climate classification, is the predominant weather pattern in Punta Santiago, Puerto Rico, USA. Punta Santiago's geographical position within the Caribbean, allows this area to experience high humidity with consistent rainfall patterns throughout the year, combined with warm temperatures. Periodic fluctuations in the climatology data coupled with the distinct weather patterns, make Punta Santiago a study of interesting weather trends.

Within a year, average temperatures oscillate consistently from around 74.3°F (23.5°C) to a soaring 84.7°F (29.3°C). Meanwhile, the humidity level also follows a similar cyclic pattern between 77% and 80%. Rainfall varies slightly but builds momentum from 1.77" (45mm) to a peak of 4.76" (121mm) which occur during the last few summer months. With cloudy days represented in percentages, a small shift is observed where the cloud cover moves from 33% at the lowest to 41% at its maximum.

A unique climatological event in Punta Santiago can be attributed to the sea temperature which maintains a stable range from 78.7°F (25.9°C) to 85°F (29.4°C), a narrower span as compared to other weather parameters. Another notable aspect is the minimal variation in the visibility with 6 miles being consistent across all months.

The best time to visit Punta Santiago

Weighing all weather factors, the period from November to January can be considered the most favourable to visit Punta Santiago. During these months, the temperatures are slightly lower, averaging between 75.7°F (24.3°C) and 80.6°F (27°C), providing a relatively cooler setting. On top of that, the rainfall drops to a lower volume of 2.68" (68mm), making this period less prone to heavy downpours.

The worst time to visit Punta Santiago

The period from July to September bears witness to conditions that may not be ideal for visitors. During this period, Punta Santiago is characterized by a rise in temperatures ranging from 84.2°F (29°C) to 84.7°F (29.3°C). Accompanying the high temperatures, the high precipitation levels, which peak at 4.57" (116mm) to 4.76" (121mm), coupled with high humidity, creates a relatively uncomfortable climate.

Spring weather in Punta Santiago

The spring months of March, April, and May in Punta Santiago offer a pleasant weather paradigm, with temperatures gradually increasing from 73.6°F (23.1°C) to 78.3°F (25.7°C). Rainfall also shows a similar increase from 2.01" (51mm) to 3.5" (89mm). During these months, the wind speed also maintains a level of comfort, ranging from 8.9mph (14.3km/h) to 9.3mph (15km/h).

Summer weather in Punta Santiago

Summer in Punta Santiago commences with the onset of June and stretches until August. This period is marked with the climatology's highest figures, including the highest temperatures from 83.8°F (28.8°C) to 84.7°F (29.3°C) and rainfall peaking at 4.57" (116mm) to 4.76" (121mm). Similarly, wind speed also increases slightly during these months, reaching up to 10.2mph (16.4km/h).

Autumn weather in Punta Santiago

Autumn, from September to November, brings about a slight descent in temperatures, which now range from 84.6°F (29.2°C) to 77°F (25°C). Rainfall also decreases progressively from 4.33" (110mm) to 3.78" (96mm), resulting in a relative dry period. The wind speed shows a decline and ranges from 9.6mph (15.4km/h) to 7.5mph (12.1km/h).

Winter weather in Punta Santiago

Winter months in Punta Santiago, namely, December, January, and February, do not resemble the chilling winters of the northern hemisphere. Instead, the area experiences a mild reduction in temperature from 75.7°F (24.3°C) to 79.5°F (26.4°C). The rainfall follows the reducing trend, and registers a minimum of 1.77" (45mm) during February. The wind speed during this season shifts, and is observed to be between 7.1mph (11.4km/h) and 9.5mph (15.3km/h). With lowered humidity and moderately comfortable winds, winters can be an ideal period to visit Punta Santiago.

Weather in January

Beginning the year, Punta Santiago weather is characterized by moderate rainfall. The sea temperature is slightly higher than the previous month, providing gentle sea breezes. Through the course of the month, days tend to be sunnier as daylight hours lengthen. Weather in January »

Weather in February

February sees more consistent weather patterns in Punta Santiago, with less volatility and a slight drop in rainfall. Accompanied by slightly less daylight, the cloud cover also reduces lending to more clear sky days. Despite being only a month apart, compared to January, the lower temperature of the sea slightly affects overall atmospheric conditions. Weather in February »

Weather in March

As Punta Santiago transitions into March, a slight uptick in rainfall becomes evident. The weather patterns remain fairly static, with no significant increases or decreases in most parameters. However, daylight hours begin to extend and there's an increase in the amount of sunshine hours. Weather in March »

Weather in April

April in Punta Santiago witnesses a trend of rising sea temperatures signifying warmer days ahead and an increment in overall rainfall amount. More atmospheric moisture combined with longer days results in increased cloud cover. Changes are indicative of a transitional period into a warmer phase. Weather in April »

Weather in May

With the advent of May, fluctuations become more pronounced, indicating the onset of warmer months in Punta Santiago. A significant increase in rainfall becomes visually apparent. The longer days filled with increased sunshine introduce a higher uv-index rating of 7, imposing a higher risk of harm from unprotected sun exposure. Weather in May »

Weather in June

June in Punta Santiago is when the weather shifts decidedly towards summer, with pronounced changes in the parameters. An increment in the wind speed also marks the seasonal change. The rise in sea temperatures reflects on the atmospherical temperature as well. Weather in June »

Weather in July

In terms of climatology, July marks the peak of the summer season in Punta Santiago. This month is defined by lengthier daylight hours, warmer sea temperatures and a rise in overall atmospheric conditions. There is a noticeable increment in humidity and increased cloud cover. Weather in July »

Weather in August

Contrary to expectations, August weather in Punta Santiago sees a slight decline in sunshine hours and the onset of a few more rainy days. Coincidentally, this month records the highest sea temperatures which bring about an increase in the overall atmospheric temperature. Weather in August »

Weather in September

By September, the weather in Punta Santiago begins to cool down slightly, heralding the slow transition towards the fall season. The overall temperature displays a marginal decrease and rainfall begins to drop. A decrease in wind speed is also noticeable. Weather in September »

Weather in October

October continues the trend of gradually falling temperatures in Punta Santiago. Sunshine hours are reduced and cooler sea temperatures contribute to a drop in overall atmospheric pressures. Despite these modifications, no significant changes in the monthly rainfall are observed. Weather in October »

Weather in November

As November advances in Punta Santiago, weather changes become more pronounced as it transitions more towards the end of the year. Sea temperatures continue to fall, and a significant drop in sunshine hours is evident. This month also witnesses a slight decrease in overall rainfall. Weather in November »

Weather in December

By December, the weather in Punta Santiago has cooled considerably. The sea temperature drops significantly affecting the overall temperature and atmospheric pressure. The decrease in daylight hours is offset by a reduction in cloud cover, allowing for a greater amount of sunshine. Weather in December »
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Frequently asked questions

How many days does it rain in Punta Santiago?

In Punta Santiago, during the entire year, the rain falls for 268.8 days and collects up to 38.58" (980mm) of precipitation.

What is the month with the lowest UV index in Punta Santiago?

January through March, with an average maximum UV index of 6, are months with the lowest UV index in Punta Santiago, Puerto Rico.

What is the coldest month in Punta Santiago?

With average high temperatures of 79.3°F (26.3°C) and lows of 73.9°F (23.3°C), February is the coldest month in Punta Santiago, Puerto Rico.

What is the least humid month in Punta Santiago?

The months with the lowest humidity are February and March, with an average relative humidity of 77%.

What is the driest month in Punta Santiago?

February is the month with the least rainfall. Rain falls for 17.1 days and accumulates 1.77" (45mm) of precipitation.

When is the ocean coldest in Punta Santiago?

With an average ocean temperature of 78.6°F (25.9°C), February is the month with the coldest seawater in Punta Santiago.

When is the highest UV index in Punta Santiago?

The months with the highest UV index in Punta Santiago, Puerto Rico, are April through December, with an average maximum UV index of 7.

What are the most humid months in Punta Santiago?

May, July, August and November, with an average relative humidity of 80%, are most humid months in Punta Santiago, Puerto Rico.

When are the longest days in Punta Santiago?

June has the longest days of the year in Punta Santiago, with an average of 13h and 12min of daylight.

What month has the most sunshine in Punta Santiago?

The month with the most sunshine in Punta Santiago, Puerto Rico, is June, with an average of 10.3h of sunshine.

What month is the hottest in Punta Santiago?

August is Punta Santiago's warmest month, registering average high temperatures of 84.7°F (29.3°C) and lows of 78.4°F (25.8°C).

What is the wettest month in Punta Santiago?

The month with the most rainfall is August, when the rain falls for 25.3 days and typically aggregates up to 4.76" (121mm) of precipitation.

What month is the ocean warmest in Punta Santiago?

With an average ocean temperature of 84.9°F (29.4°C), September is the month with the warmest seawater in Punta Santiago.

What is the month with the shortest days in Punta Santiago?

The month with the shortest days in Punta Santiago is December, with an average of 11h and 6min of daylight.

Is there Daylight Saving Time (DST) in Punta Santiago?

Punta Santiago, Puerto Rico, does not observe Daylight Saving Time (DST). AST timezone is used throughout the entire year.

What is the month with the least sunshine in Punta Santiago?

With an average of 6.4h of sunshine, December has the least sunshine of the year.

Average temperature
Punta Santiago, PR

Average temperature - Punta Santiago, PR

The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is February (79.3°F).

The months with the highest average low temperature are September and October (78.6°F).
The coldest month (with the lowest average low temperature) is March (73.6°F).

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Average pressure
Punta Santiago, PR

Average pressure - Punta Santiago, PR

The month with the highest atmospheric pressure is January (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).

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Average wind speed
Punta Santiago, PR

Average wind speed - Punta Santiago, PR

The windiest month (with the highest average wind speed) is July (10.2mph).
The calmest month (with the lowest average wind speed) is October (7.1mph).

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Average humidity
Punta Santiago, PR

Average humidity - Punta Santiago, PR

The months with the highest relative humidity are May, July, August and November (80%).
The months with the lowest relative humidity are February and March (77%).

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Average rainfall
Punta Santiago, PR

Average rainfall - Punta Santiago, PR

The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is February (1.77").

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Average rainfall days
Punta Santiago, PR

Average rainfall days - Punta Santiago, PR

The month with the highest number of rainy days is May (26.3 days).
The month with the least rainy days is February (17.1 days).

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Average sea temperature
Punta Santiago, PR

Average sea temperature - Punta Santiago, PR

The best month for swimming (with the highest average sea temperature) is September (85°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).

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Average daylight / Average sunshine
Punta Santiago, PR

Average daylight / Average sunshine - Punta Santiago, PR

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days
Punta Santiago, PR

Average sunshine days - Punta Santiago, PR

The month with the most sunshine days is January (6.8 days).
The month with the least sunshine days is August (1.1 days).

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Average UV index
Punta Santiago, PR

Average UV index - Punta Santiago, PR

The months with the highest UV index are April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February and March (UV index 6).

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Average cloud cover
Punta Santiago, PR

Average cloud cover - Punta Santiago, PR

The months with the most cloud cover are May and July (Cloud cover 41).
The months with the least cloud cover are February and September (Cloud cover 33).

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Average visibility
Punta Santiago, PR

Average visibility - Punta Santiago, PR

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Punta Santiago, Puerto Rico, USA

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