Last updated: January 18, 2025
The climate of Nacional, Dominican Republic, is characterized by a tropical savanna classification (Koppen-Geiger: Aw), which provides a warm and humid atmosphere throughout the year. Temperatures in this region exhibit seasonal variation, with a minimum of 15°C (60°F) recorded in January, ascending to an average of 26°C (78°F) annually. The hottest month is September, where temperatures can peak at a scorching 35°C (95°F). This climatic profile influences local ecosystems, agriculture, and overall lifestyle, underscoring the dynamic interplay between temperature and the natural environment.
In Nacional, Dominican Republic, temperature patterns reveal a warm and stable climate throughout the year, marked by a gradual increase as the seasons transition from winter to summer. Starting in January, the minimum temperatures hover around 15°C (60°F), while average temperatures remain consistent at approximately 24°C (75°F). As spring approaches, temperatures begin to rise, with April and May experiencing warmer averages of 25°C (78°F) and 26°C (79°F), respectively. The peak heat occurs in the summer months of July and August, where maximum temperatures can reach 34°C (93°F). This peak continues into September, marked as the hottest month, with temperatures soaring up to 35°C (95°F). As autumn sets in, a slight cooling trend is observed, bringing average temperatures back down to the mid-20s Celsius. Throughout the year, Nacional experiences a blend of warmth and humidity, emblematic of its tropical savanna climate.
La Julia and Santo Domingo experience similar temperature ranges throughout the year, with both locations recording a minimum of 15°C (60°F) in January and a maximum of 35°C (95°F) in September. For more detailed monthly temperatures in La Julia, visit monthly temperatures in La Julia, and for Santo Domingo, check monthly temperatures in Santo Domingo.
Precipitation in Nacional, Dominican Republic exhibits a distinct seasonal pattern, with the wettest months typically occurring from May to October. January and February are among the driest, with rainfall measuring 36 mm (1.4 in) and 49 mm (1.9 in), respectively. As the year progresses, the rainfall increases significantly; by May, precipitation spikes to 108 mm (4.3 in), coinciding with the onset of the rainy season. Notably, August stands out as the wettest month, with an impressive 150 mm (5.9 in) of rain falling over approximately 24 days.
The monthly distribution of rainfall also highlights the impact of tropical weather patterns. July and October are similarly wet, both receiving around 107 mm (4.2 in) and 123 mm (4.9 in) of rainfall, respectively. Meanwhile, November experiences 113 mm (4.4 in), signaling the transition out of the rainy season. In contrast, drier months such as December and January see markedly lower precipitation totals of 45 mm (1.8 in) and 36 mm (1.4 in), respectively, with fewer rainy days, averaging 15 days each. Such variations underscore the region's tropical climate and influence on local ecosystems and agriculture.
In Nacional, Dominican Republic, sunshine duration reveals an intriguing seasonal progression, with a notable increase as winter transitions into spring and summer. Starting with 255 hours of sunshine in January, the sunlight gradually increases, reaching 343 hours by March, marking a consistent upward trend. April and May maintain similar levels of sunshine, reinforcing the region's bright, pleasant atmosphere. The peak sunshine month occurs in July, boasting 347 hours, which underscores the well-known summer radiance characteristic of tropical climates.
As the year progresses into the latter months, a slight decline in sunshine duration can be observed, culminating in 282 hours in November. Although the decrease is gradual, the months of September and October still benefit from considerable sunlight, with 308 hours and 298 hours, respectively. December experiences a rebound to 314 hours, maintaining the region’s overall bright climate. This seasonal analysis reflects the interplay of climatic factors that contribute to Nacional's warm and sunny disposition, making it an appealing location for outdoor activities throughout much of the year.
The UV Index in Nacional, Dominican Republic, indicates a significant risk of harm from unprotected sun exposure, particularly during the peak summer months. In January, the UV Index starts at 9, categorized as "very high," requiring just 15 minutes of exposure for potential sunburn. As the year progresses into February, the index escalates to 11, classified as "extreme," reducing safe exposure time to a mere 10 minutes. This trend continues through the following months, reaching a peak UV Index of 13 from March to September, emphasizing the importance of sun protection during this period, as the burn time remains consistently low at 10 minutes.
As the season transitions into fall, the UV Index shows a slight decline, with readings of 11 in October and tapering further to 9 in November, before dropping to 8 in December, both categorized as "very high" exposure. This gradual reduction still necessitates caution, especially as the end of the year retains considerable UV intensity. Overall, the UV Index throughout the year highlights the need for effective sun safety measures in Nacional, emphasizing the critical importance of protective clothing, sunscreen, and avoidance of peak sun hours to safeguard against harmful UV radiation.
UV Risk Categories
Daylight duration in Nacional, Dominican Republic, exhibits a consistent pattern influenced by seasonal changes, with monthly variations that reflect the region's tropical climate. From January through February, daylight remains steady at 11 hours, providing a balanced amount of light for daily activities. As March arrives, the duration increases to 12 hours, continuing through April and May, highlighting the gradual lengthening of days as spring transitions into summer. This trend peaks in June and July, when the region enjoys 13 hours of daylight, aligning with the summer solstice and maximizing outdoor opportunities.
As summer concludes, daylight duration begins to decline, returning to 12 hours in August and September. The decrease continues into October, back to 11 hours, where it remains through November and December. This stability in daylight duration aligns with the tropical equatorial climate, ensuring that residents experience relatively balanced light throughout the year. Overall, Nacional's daylight patterns underscore the region's inviting atmosphere for outdoor pursuits, marking it as an attractive destination for both residents and visitors alike.
La Julia, Dominican Republic, enjoys a tropical climate characterized by warm temperatures year-round. Average highs range from 24°C (75°F) in January to 35°C (95°F) in September, with minimum temperatures between 15°C (60°F) and 22°C (72°F) throughout the year. The wettest months are August and October, receiving 150 mm (5.9 in) and 123 mm (4.9 in) of precipitation, respectively. Sunshine hours are abundant, peaking at 347 hours in July, making it an attractive destination for sun-seekers. For more detailed information, visit La Julia climate.
Santo Domingo, Dominican Republic, boasts a tropical climate characterized by warm temperatures throughout the year. Average monthly temperatures range from 24°C (75°F) in January to 27°C (81°F) during the summer months of July and August, with maximums reaching up to 35°C (95°F) in September. Precipitation is relatively high, particularly in August, which receives an average of 150 mm (5.9 in), while sunshine is abundant with over 300 hours per month from February to May. The combination of heat and humidity makes Santo Domingo a vibrant destination year-round, ideal for sun-seekers and adventurers alike. For more details, visit Santo Domingo climate.
In conclusion, the climate dynamics of Nacional, Dominican Republic, characterized by its tropical savanna setting, reveal a rich tapestry of temperature variations, precipitation patterns, UV exposure, and daylight duration. With warm temperatures year-round, a pronounced rainy season, and consistently high UV Index readings, inhabitants and visitors are encouraged to embrace sun safety practices and adapt to seasonal shifts. The abundance of sunshine and extended daylight hours, particularly during the peak summer months, present numerous opportunities for outdoor activities and exploration. As such, Nacional stands out as a vibrant locale where the interplay of environmental factors continuously enhances the quality of life and recreational possibilities.