Climate and monthly weather forecast
La Romana, Dominican Republic

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The climate of La Romana

In geographical terms, La Romana, located in Dominican Republic, lies within the domain of a climatic category commonly referred to as Tropical wet and dry or savanna, as classified by the Köppen system. This classification, denoted as 'Aw', earmarks this location as one that experiences significant seasonal variations in precipitation along with consistent warm temperatures all year round.

An overview of the year-round weather in La Romana reveals that temperatures remain relatively steady, with an average high ranging from a comfortable 28.2°C (82.8°F) in January to a warmer 31.3°C (88.3°F) in August. Concurrently, the lowest temperature averages fluctuate slightly more, from a mild 21.9°C (71.4°F) in January to a moderately warm 25.1°C (77.2°F) in August. This consistency extends even to the relative humidity, which stays within a close range of 75% in March to 82% in November, ensuring a mostly humid condition throughout all seasons.

Precipitation patterns provide an interesting perspective in the weather outlook, peaking in May with an average rainfall of 69mm (2.72") during the month while dropping significantly to 21mm (0.83"), the lowest for the year, in the month of January. Corresponding to these shifts, the number of rainfall days also sees a maximum in May and a minimum in January. Sea temperature too, while remaining mostly warm, sees a rise from 26.2°C (79.2°F) in February to a peak of 29.4°C (84.9°F) in September.

In terms of sunlight, La Romana receives long hours of daylight from 11.2 hours in January, extending to a high of 13.2 hours in June before receding again. Additionally, sunshine hours, varying from an annual low of 7 hours in December to a high of 9.7 hours in June, contribute to the overall sunny environment.

The best time to visit La Romana

Taking into account the prevailing climatic conditions, the ideal period to plan a visit to La Romana would arguably be between December and April. During these months, the rainfall averages are relatively low, averaging between 21mm (0.83") in January and 38mm (1.5") in April. Furthermore, average daylight hours are favourable, with monthly figures ranging from 11 hours in December to a high of 13 hours in April. Simultaneously, temperatures remain pleasant during this period with highs varying between 28.2°C (82.8°F) and 29.7°C (85.5°F).

The worst time to visit La Romana

A less favourable time to visit La Romana would be during the rainy period of June until November, with rainfall averages high, from 49mm (1.93") in June to a peak of 79mm (3.11") in August. Concurrently, the temperature peaks, with maximum figures of 30.7°C (87.3°F) in June escalating up to 31.3°C (88.3°F) in August, and minimum averages also being relatively warm with 24.3°C (75.7°F) in June leading up to 25.1°C (77.2°F) in August.

Spring weather in La Romana

Spring in La Romana, which spans March to May, sees the commencement of a consistent rise in both temperature and precipitation values. While the average high temperatures increase from 28.8°C (83.8°F) in March to 30.1°C (86.2°F) in May, the lows move from 21.8°C (71.2°F) to 23.7°C (74.7°F) respectively. Concurrently, rainfall also augments notably, increasing from an average of 31mm (1.22") in March to 69mm (2.72") in May.

Summer weather in La Romana

Summer, encompassing the months of June through August, is when La Romana experiences the most intense weather conditions. Temperatures can broach a high of 31.3°C (88.3°F) in August, coupled with lows of around 25.1°C (77.2°F). Correspondingly, rainfall peaks, with averages scaling up to 79mm (3.11") in August, an annual maximum.

Autumn weather in La Romana

Autumn, from September to November, signifies a slight drop off from the peak weather conditions of summer. While average high temperatures remain relatively warm, they descend from 30.7°C (87.3°F) in September to 29.2°C (84.6°F) in November. Concurrently, rainfall also diminishes albeit slightly to 57mm (2.24") in November.

Winter weather in La Romana

Winter, which consists of December through February, ushers in a pleasantly cool and dry season in La Romana. High temperatures range from 28.5°C (83.3°F) in December to 28.2°C (82.8°F) in January and low temperatures from 22.7°C (72.9°F) in December to 21.9°C (71.4°F) in January. Concurrently, rainfall decreases significantly to just 21mm (0.83") in January and 25mm (0.98") in February, while humidity remains on the higher side.

Weather in January

January is the start of the year and the weather during this period in La Romana, Dominican Republic incorporates cooler temperatures and reduced daylight hours compared to subsequent months. Humidity levels hover around the high spectrum, causing a slightly heavy atmosphere for some. Weather in January »

Weather in February

As Dominican Republic moves into February, the weather in La Romana exhibits a slight increase in daylight hours. This is the time when beach aficionados can revel in the pleasurable sea temperatures. The month also happens to be in the midst of the dry season and hence, receives relatively less rainfall. Weather in February »

Weather in March

March sees a rise in temperatures compared to the preceding months. The expanded daylight hours contribute to an enhancement in outdoor activities in La Romana, bringing in a surge in tourists at this period. Relative humidity dips a little offering a more comfortable atmosphere for visitors and locals alike. Weather in March »

Weather in April

In April, the weather in La Romana makes a shift with temperatures commencing their upward trajectory. The period sees an onset of the pre-monsoon period and hence, rainfall expectations rise compared to previous months. Daylight hours extend inviting more outdoor activities across the region. Weather in April »

Weather in May

May marks the onset of the rainy season in La Romana, Dominican Republic with a notable increase in precipitation levels. This is coupled with a hike in humidity making the atmosphere comparatively heavy. Daylight hours and sunshine durations tread on the higher side providing ample opportunities for sun-lovers. Weather in May »

Weather in June

June in La Romana signifies ongoing rains leading to a luxurious verdant surrounding. However, the high humidity levels can make conditions slightly uncomfortable. The sea warms up significantly making sea-side activities a popular local and tourist choice. Weather in June »

Weather in July

The month of July sees no relief from rains, but the high sea temperatures provide a much-needed relief giving tourists a reason to explore the beautiful oceanic life of La Romana. While the showers create a lush environment, the elevated humidity can pose discomfort. Weather in July »

Weather in August

August experiences the peak of the rainy season in La Romana, Dominican Republic with upped counts of rainy days. This is coupled with consistently warm temperatures which can lead to a tad discomfort. However, the warm sea temperatures offer the opportunity to indulge in various water sports. Weather in August »

Weather in September

September marks the transition from the wet to the dry season in La Romana. The changeover period means that warm temperatures continue while humidity takes a slight dip offering respite. The sea temperature is at its warmest urging beach lovers and divers to take advantage. Weather in September »

Weather in October

As La Romana inches towards October, the intensity of the rainfall lessens. Simultaneously, the humidity levels also reduce slightly making the weather marginally comfortable. Sea temperatures begin to reduce, yet are still on the warmer side allowing prospective swimmers to enjoy. Weather in October »

Weather in November

By November, La Romana sees a decrease in rainfall as the dry season approaches. Concurrently, the drop in sea temperatures is observable but remains pleasant for water activities. Daylight hours have notably declined leading to shorter days. Weather in November »

Weather in December

December brings cooler temperatures and shorter days to La Romana, Dominican Republic. With the dry season setting in, rainfall observably dips down. This marks the end of the calendar year with more enjoyable weather and lower humidity levels. Weather in December »
Updated: Jan 27, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the coldest time of year in La Romana?

La Romana's coldest month, January, registers temperatures that range from a high of 28.2°C (82.8°F) to a low of 21.9°C (71.4°F).

What is the driest month in La Romana?

January is the month with the least rainfall in La Romana, Dominican Republic. Rain falls for 15.3 days and accumulates 21mm (0.83") of precipitation.

How much does it rain in La Romana?

Throughout the year, there are 233.5 rainfall days, and 632mm (24.88") of precipitation is accumulated.

What are the months with the lowest UV index in La Romana?

January, February and December, with an average maximum UV index of 6, are months with the lowest UV index in La Romana.

When is the sea coldest in La Romana?

February is the month with the coldest seawater, with an average sea temperature of 26.2°C (79.2°F).

What is the least humid month in La Romana?

March and April, with an average relative humidity of 75%, are the least humid months.

When is the highest UV index in La Romana?

The months with the highest UV index are March through November, with an average maximum UV index of 7.

When are the longest days in La Romana?

June has the longest days of the year in La Romana, Dominican Republic, with an average of 13h and 12min of daylight.

What month has the most sunshine in La Romana?

The month with the most sunshine is June, with an average of 9.7h of sunshine.

What part of the year is the hottest in La Romana?

August is the warmest month in La Romana, with the temperature often reaching an average high of 31.3°C (88.3°F) and an average low of 25.1°C (77.2°F).

What is the wettest month in La Romana?

August is the month with the most rainfall in La Romana. Rain falls for 21.9 days and accumulates 79mm (3.11") of precipitation.

When is the sea warmest in La Romana?

The month with the warmest seawater in La Romana is September, with an average sea temperature of 29.4°C (84.9°F).

What is the most humid month in La Romana?

With an average relative humidity of 82%, November is the most humid month.

What is the month with the least sunshine in La Romana?

November has the least sunshine of the year in La Romana, Dominican Republic, with an average of 7h of sunshine.

What is the month with the shortest days in La Romana?

The month with the shortest days is December, with an average of 11h and 0min of daylight.

Is there Daylight Saving Time (DST) in La Romana?

La Romana, Dominican Republic, does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.

Average temperature
La Romana, Dominican Republic

Average temperature - La Romana, Dominican Republic

The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (28.2°C).

The month with the highest average low temperature is August (25.1°C).
The coldest months (with the lowest average low temperature) are February and March (21.8°C).

Average pressure
La Romana, Dominican Republic

Average pressure - La Romana, Dominican Republic

The month with the highest atmospheric pressure is January (1016.5mbar).
The month with the lowest atmospheric pressure is October (1012.4mbar).

Average wind speed
La Romana, Dominican Republic

Average wind speed - La Romana, Dominican Republic

The windiest months (with the highest average wind speed) are February, July and August (11.6km/h).
The calmest month (with the lowest average wind speed) is October (8.8km/h).

Average humidity
La Romana, Dominican Republic

Average humidity - La Romana, Dominican Republic

The month with the highest relative humidity is November (82%).
The months with the lowest relative humidity are March and April (75%).

Average rainfall
La Romana, Dominican Republic

Average rainfall - La Romana, Dominican Republic

The wettest month (with the highest rainfall) is August (79mm).
The driest month (with the least rainfall) is January (21mm).

Average rainfall days
La Romana, Dominican Republic

Average rainfall days - La Romana, Dominican Republic

The months with the highest number of rainy days are May and October (22.7 days).
The month with the least rainy days is January (15.3 days).

Average sea temperature
La Romana, Dominican Republic

Average sea temperature - La Romana, Dominican Republic

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (26.2°C).

Average daylight / Average sunshine
La Romana, Dominican Republic

Average daylight / Average sunshine - La Romana, Dominican Republic

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 0min).

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).

Average sunshine days
La Romana, Dominican Republic

Average sunshine days - La Romana, Dominican Republic

The month with the most sunshine days is January (10.8 days).
The month with the least sunshine days is October (5.4 days).

Average UV index
La Romana, Dominican Republic

Average UV index - La Romana, Dominican Republic

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

Average cloud cover
La Romana, Dominican Republic

Average cloud cover - La Romana, Dominican Republic

The months with the most cloud cover are May and June (Cloud cover 35).
The month with the least cloud cover is February (Cloud cover 27).

Average visibility
La Romana, Dominican Republic

Average visibility - La Romana, Dominican Republic

The months with the highest visibility are January, February, March, April, June, July and December (10km).
The months with the lowest visibility are May, August, September, October and November (9km).

La Romana, Dominican Republic

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