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Contents
- The climate of Santo Domingo
- The best time to visit Santo Domingo
- The worst time to visit Santo Domingo
- Spring weather in Santo Domingo
- Summer weather in Santo Domingo
- Autumn weather in Santo Domingo
- Winter weather in Santo Domingo
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The Palace building in Santo Domingo, housing the National offices of the President and Vice President of the Dominican Republic
The climate of Santo Domingo
Santo Domingo, the capital of the Dominican Republic, is situated in the Tropical wet and dry climate zone, identified as Aw in the Köppen climate classification. The city experiences warm temperatures throughout the year, with the average high temperature ranging from 29.2°C (84.6°F) in the beginning of the year, gradually peaking at 31.5°C (88.7°F) in August, and then declining to 29.6°C (85.3°F) in December. The low temperatures portray a similar trend, starting from 19.6°C (67.3°F) in January, escalating to 22.9°C (73.2°F) in June, and decreasing to 20.3°C (68.5°F) in December.
The climate variables exhibit significant fluctuations over the course of a year. The city sees notably high humidity levels all year round, with the lowest average monthly relative humidity recorded as 78.8% in April and the highest at 85.7% in October. Additionally, Santo Domingo registers significant precipitation throughout the year. The least rainfall occurs in March with 54mm (2.13") spreading over 6.3 days, while the most substantial precipitation is encountered in October with 187mm (7.36") spanning 13 days.
Unique weather patterns include the sea temperature that remains fairly warm throughout the year, with precise calculations averaging between 26.3°C (79.3°F) to 29.3°C (84.7°F). The number of daylight hours fluctuates between 11 hours in December and January to 13.2 hours in June and July. The average UV Index generally remains high throughout the year, with the lowest value of 7 observed in December and the highest of 12 from March to September.
The climate variables exhibit significant fluctuations over the course of a year. The city sees notably high humidity levels all year round, with the lowest average monthly relative humidity recorded as 78.8% in April and the highest at 85.7% in October. Additionally, Santo Domingo registers significant precipitation throughout the year. The least rainfall occurs in March with 54mm (2.13") spreading over 6.3 days, while the most substantial precipitation is encountered in October with 187mm (7.36") spanning 13 days.
Unique weather patterns include the sea temperature that remains fairly warm throughout the year, with precise calculations averaging between 26.3°C (79.3°F) to 29.3°C (84.7°F). The number of daylight hours fluctuates between 11 hours in December and January to 13.2 hours in June and July. The average UV Index generally remains high throughout the year, with the lowest value of 7 observed in December and the highest of 12 from March to September.
The best time to visit Santo Domingo
For those planning a visit to Santo Domingo and aspiring to experience the city at its warmest with regulated daylight hours, the period from May to August would be most suitable. During these months, the ocean temperature is particularly inviting, averaging out at 28.3°C (82.9°F) to 29°C (84.2°F). Furthermore, the average high temperature lingers around 30°C (86°F), with vast daylight hours ranging from 13 to 13.2, providing plenty of time for outdoor activities.
The worst time to visit Santo Domingo
Conversely, if weather is a significant consideration, October might not be the best time to plan a visit to Santo Domingo. The city experiences the highest rainfall, averaging 187mm (7.36") over 13 days. Also, the average humidity hits its yearly peak at 85.7%, which combined with the high temperature, may result in persistent discomfort and could significantly limit outdoor activities.
Spring weather in Santo Domingo
Spring in Santo Domingo falls between March and May, characterized by a gradual increase in temperature. Average highs shift up from 29.6°C (85.3°F) to 30.4°C (86.7°F) and lows escalate from 20.2°C (68.4°F) to 22.2°C (72°F) over these three months. This period also observes an increase in the average rainfall from 54mm (2.13") in March to 188mm (7.4") in May. Although the relative humidity goes up to 82.5% in May, it remains less torturous due to the fair sea temperatures, which rise from 26.3°C (79.3°F) in March to 27.4°C (81.3°F) in May.
Summer weather in Santo Domingo
Summer in Santo Domingo, from June to August, is the warmest time of the year with temperature highs escalating from 30.8°C (87.4°F) to a yearly peak of 31.5°C (88.7°F). The relative humidity does increase during the season but remains tempered by the warm sea temperatures, averaging between 28.3°C (82.9°F) and 29°C (84.2°F). Rainfall, however, remains slightly elevated, averaging between 140mm (5.51") to 177mm (6.97") throughout the summer months.
Autumn weather in Santo Domingo
Autumn, from September to November, presents a strange shift in climate variables. The high temperatures fluctuate between 31.4°C (88.5°F) and 30.6°C (87.1°F) while the low temperatures decrease from 22.7°C (72.9°F) to 21.4°C (70.5°F). Rainfall exhibits the highest fluctuation during this period, with a peak of 187mm (7.36") in October and a sharp decrease to 100mm (3.94") in November. The humidity, already high, peaks at 85.7% in October before dropping to 84.2% in November.
Winter weather in Santo Domingo
Winter is Santo Domingo observes a downturn in temperatures, with highs dropping from 29.6°C (85.3°F) in December to 29.2°C (84.6°F) in February and lows decreasing to 19.7°C (67.5°F). Winter also presents a drop in rainfall, with December observing 84mm (3.31") over 9 days and February recording only 57mm (2.24") over 6.3 days. The sea, however, remains warm enough for year-round swimming, averaging between 27.8°C (82°F) and 26.7°C (80.1°F).
Weather in January
The beginning of the year brings Santo Domingo, Dominican Republic, to a period of relatively moist and milder conditions. Weather patterns continue to reflect the transition from the cooler to the warmer months. A notable drop in temperatures can be expected, varying from lows of 19.6°C (67.3°F) to highs of 29.2°C (84.6°F). Weather in January »
Weather in February
As the calendar moves into February, Santo Domingo encounters an intricate balance between increasing temperature trends and manageable humidity levels. Largely consistent temperatures intertwine with enhanced sunshine duration, making it appreciable for outdoor endeavors. Weather in February »
Weather in March
As Santo Domingo transitions into the month of March, an insightful watch over the weather patterns reveals increasing temperatures and prolonged daylight. Equinox's influence can be seen from longer daylight hours and a progressive swing towards a warm spectrum. Weather in March »
Weather in April
The month of April in Santo Domingo suggests a pronounced escalation in heat levels. April's persona of a transitioning month becomes apparent as it maneuvers between bearable to relatively higher temperatures. Accumulated rainfall in April amounts to 72mm (2.83"), indicating a shift towards more widespread and consistent showers. Weather in April »
Weather in May
May experiences a culmination of humidity and precipitation in Santo Domingo. It's the onset of the wet season, marked by increased rain and rising temperatures. The city receives the highest rainfall of 188mm (7.4"), with an average relative humidity of 82.5%, making May the wettest month. Weather in May »
Weather in June
Navigating through the year, the weather in Santo Domingo takes a turn for the hotter in June. The city continues to endure high humidity levels with frequent and significant rainfall events. A peak in sea temperature is noted at 28.3°C (82.9°F), warming the coastal waters and encouraging marine activity. Weather in June »
Weather in July
Santo Domingo, Dominican Republic, dives deep into the summer in July. Broadly consistent with June's heat, July endures persistence of high humidity and rainfall. Peaks in daytime temperature are observed with highs reaching 31.3°C (88.3°F), marking it as the hottest month of the year. Weather in July »
Weather in August
August's weather in Santo Domingo paints a picture of the tropical summer in full bloom. Hot temperatures, paired with peak humidity levels and appreciable rainfall, mark the season's zenith. The highest relative humidity of the year is recorded at 84.6%, adding to the heat discomfort. Weather in August »
Weather in September
As the latter part of the year approaches, Santo Domingo's weather begins to give subtle hints of changing seasons. September maintains the high humidity and temperature levels of preceding months, but begins gearing towards milder seasonal norms. Weather in September »
Weather in October
October signifies a slow pivot towards cooler conditions in Santo Domingo. The temperatures start to moderate, even though the residual heat from past months lingers. October's persistent rainfall carries with it a soothing frequency, contributing to the gradual cooling. Weather in October »
Weather in November
Evolving weather conditions in November reflect Santo Domingo's gradual descent towards the cooler spectrum. The city starts to unwind from the hot and humid spell dominating the last few months. November sees a substantial drop in rainfall to 100mm (3.94"), indicating a decline in precipitation and a move towards dry conditions. Weather in November »
Weather in December
Rounding off the year, Santo Domingo embraces the coolness that December brings forth. The city winds down from its year-long tropical vigor, slipping into a relatively mild, dryer and cooler environment. December's weather signifies a full cycle completion, with low temperatures reaching a cool 20.3°C (68.5°F). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Santo Domingo?
In Santo Domingo, Dominican Republic, January and February are characterised by the lowest temperatures, recording an average high of 29.2°C (84.6°F).
How much does it rain in Santo Domingo?
Throughout the year, in Santo Domingo, there are 115.4 rainfall days, and 1447mm (56.97") of precipitation is accumulated.
What are the months with the least sunshine in Santo Domingo?
January and December, with an average of 5.7h of sunshine, are months with the least sunshine.
What are the months with the coldest sea water in Santo Domingo?
February and March, with an average sea temperature of 26.3°C (79.3°F), are months with the coldest seawater in Santo Domingo, Dominican Republic.
What is the driest month in Santo Domingo?
The month with the least rainfall in Santo Domingo is March, when the rain falls for 6.3 days and typically collects 54mm (2.13") of precipitation.
What month has the most sunshine in Santo Domingo?
With an average of 7.4h of sunshine, March has the most sunshine of the year.
When is the highest UV index in Santo Domingo?
The months with the highest UV index are March through September, with an average maximum UV index of 12.
What is the least humid month in Santo Domingo?
April is the least humid month in Santo Domingo, with an average relative humidity of 78.8%.
What is the wettest month in Santo Domingo?
The month with the most rainfall is May, when the rain falls for 11.3 days and typically aggregates up to 188mm (7.4") of precipitation.
When are the longest days in Santo Domingo?
The month with the longest days in Santo Domingo, Dominican Republic, is June, with an average of 13h and 12min of daylight.
What is the warmest month in Santo Domingo?
The temperatures in Santo Domingo reach their highest averages in August, with highs of 31.5°C (88.7°F) and lows of 22.7°C (72.9°F).
What month is the sea warmest in Santo Domingo?
September is the month with the warmest seawater, with an average sea temperature of 29.3°C (84.7°F).
What is the most humid month in Santo Domingo?
October is the most humid month in Santo Domingo, with an average relative humidity of 85.7%.
What is the month with the shortest days in Santo Domingo?
The month with the shortest days is December, with an average of 11h and 0min of daylight.
Is there Daylight Saving Time (DST) in Santo Domingo?
Santo Domingo does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.
When is the lowest UV index in Santo Domingo?
The month with the lowest UV index in Santo Domingo is December, with an average maximum UV index of 7.
Average temperature
Santo Domingo, Dominican Republic
The warmest month (with the highest average high temperature) is August (31.5°C).
The months with the lowest average high temperature are January and February (29.2°C).
The month with the highest average low temperature is June (22.9°C).
The coldest month (with the lowest average low temperature) is January (19.6°C).
Average humidity
Santo Domingo, Dominican Republic
- Average humidity in January:
82.5% - Average humidity in February:
80.8% - Average humidity in March:
79.3% - Average humidity in April:
78.8% - Average humidity in May:
82.5% - Average humidity in June:
83.7%
- Average humidity in July:
83.8% - Average humidity in August:
84.6% - Average humidity in September:
85.1% - Average humidity in October:
85.7% - Average humidity in November:
84.2% - Average humidity in December:
83.3%
The month with the highest relative humidity is October (85.7%).
The month with the lowest relative humidity is April (78.8%).
Average rainfall
Santo Domingo, Dominican Republic
- Average rainfall in January:
63mm - Average rainfall in February:
56.8mm - Average rainfall in March:
53.8mm - Average rainfall in April:
71.9mm - Average rainfall in May:
187.7mm - Average rainfall in June:
140.1mm
- Average rainfall in July:
144.6mm - Average rainfall in August:
177.4mm - Average rainfall in September:
180.9mm - Average rainfall in October:
186.8mm - Average rainfall in November:
99.8mm - Average rainfall in December:
84.3mm
The wettest month (with the highest rainfall) is May (187.7mm).
The driest month (with the least rainfall) is March (53.8mm).
Average rainfall days
Santo Domingo, Dominican Republic
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
6.3 days - Average rainfall days in April:
7 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
11.4 days - Average rainfall days in August:
12 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
13 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
9 days
The month with the highest number of rainy days is October (13 days).
The months with the least rainy days are February and March (6.3 days).
Average sea temperature
Santo Domingo, Dominican Republic
The best month for swimming (with the highest average sea temperature) is September (29.3°C).
The coldest months (with the lowest average sea temperature) are February and March (26.3°C).
Average daylight / Average sunshine
Santo Domingo, Dominican Republic
- Average daylight in January:
11h and 1min - Average daylight in February:
11h and 4min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 1min
- Average daylight in July:
13h and 1min - Average daylight in August:
12h and 4min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 2min - Average daylight in December:
11h and 0min
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).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 2min - Average sunshine in April:
6h and 4min - Average sunshine in May:
6h and 0min - Average sunshine in June:
6h and 1min
- Average sunshine in July:
6h and 1min - Average sunshine in August:
6h and 5min - Average sunshine in September:
6h and 4min - Average sunshine in October:
6h and 3min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 4min
The month with the most sunshine is March (Average sunshine: 7h and 24min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average UV index
Santo Domingo, Dominican Republic
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).
Santo Domingo, Dominican Republic
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