March Weather in Rio San Juan, Dominican Republic

Last updated: August 21, 2025

In March, Rio San Juan experiences a delightful tropical climate, characterized by an average temperature of 25°C (76°F), with highs reaching 28°C (83°F) and lows at a comfortable 21°C (71°F). Visitors should be prepared for occasional rain, as the area sees about 112 mm (4.4 in) of precipitation over 18 days this month. The humidity level hovers around 59%, adding to the lush, vibrant atmosphere of this beautiful Dominican destination. Whether you're exploring its stunning beaches or vibrant local culture, March in Rio San Juan offers a pleasant backdrop for any adventure.

March Temperature in Rio San Juan

In March, temperatures in Rio San Juan, Dominican Republic remain consistently warm, with nightly lows around 21°C (71°F) and daytime highs peaking at 28°C (83°F). These mild conditions create a delightful atmosphere, perfect for exploring the stunning landscapes and vibrant culture of the region. The average temperature holds steady at 25°C (76°F), mirroring the preceding months of January and February, suggesting a comfortable transition into spring. As the month progresses, you'll notice the gradual approach of warmer weather with April's temperatures hinting at an increase, yet March still offers a pleasant balance of warmth without the summer's intensity.

March Weather in Rio San Juan: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Rio San Juan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio San Juan, March typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec777676777980818181817978
Data source: Temperature data for Rio San Juan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Rio San Juan

March marks a significant increase in precipitation in Rio San Juan, with 112 mm (4.4 in) of rainfall recorded over 18 days. This surge represents a notable uptick compared to the previous two months, where January and February saw 66 mm and 70 mm, respectively. The shift signifies the transition into the wetter season, hinting at the arrival of spring and the lush vitality it brings. As the rainfall peaks, it sets the stage for the vibrant growth of the region's flora, while also highlighting a pattern where precipitation typically escalates as the year progresses, peaking in the fall with September's 145 mm (5.7 in). Overall, March's precipitation not only underscores the changing climate but also enriches the natural landscape of this picturesque Dominican locale.

March Precipitation Trends in Rio San Juan

The chart displays monthly precipitation patterns in Rio San Juan, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Rio San Juan, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec66701126881601039914510211083
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Rio San Juan

March in Rio San Juan sees a notable decline in humidity, averaging 59%, marking a significant drop from the previous months. This reduction is part of a broader trend as the region transitions from the wetter conditions of winter into a drier spring. As temperatures begin to warm in April, humidity continues to decrease slightly to 58%, suggesting more comfortable and inviting weather for outdoor activities. However, this trend reverses in the summer months, with humidity levels climbing again, particularly in August when it peaks at 71%. Thus, March serves as a transitional period, offering a brief respite from the high humidity that characterizes the later months of the year.

March Average Humidity in Rio San Juan

This chart illustrates the average monthly humidity levels in Rio San Juan, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Rio San Juan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%59%58%57%57%63%71%73%72%72%69%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Rio San Juan

As March unfolds in Rio San Juan, Dominican Republic, residents and visitors alike experience a dramatic increase in UV exposure, with the UV Index reaching a striking 13. This month falls into the extreme exposure category, which reflects a trend carried over from February. With a consistent burn time of just 10 minutes, the intensity of sunlight emphasizes the importance of protection against harmful UV rays. Following closely, April and May maintain a similar UV Index, demonstrating a sustained need for vigilance in sun safety. As the season progresses, the extreme conditions highlight the necessity of adequate sunblock, protective clothing, and shade-seeking behavior, making it crucial to stay informed. For detailed insights and safety recommendations, check the full UV Index for Rio San Juan UV Index.

Maximum UV Index Levels in Rio San Juan for March

The chart shows the monthly maximum UV Index (UVI) for Rio San Juan in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Rio San Juan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313121313121198
Data source: Rio San Juan March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

March Sunshine in Rio San Juan

March in Rio San Juan, Dominican Republic, heralds the arrival of vibrant sunshine, with an impressive 338 hours illuminating the days. This marks a steady increase from 302 hours in February, setting the stage for the months ahead. As spring unfolds, the sunny trend continues, with April and May boasting even more hours of sunshine—343 and 346, respectively. It’s clear that as the year progresses, Rio San Juan basks in an abundance of sunlight, making it an alluring destination for sun-seekers. With each passing month, the allure of the sunny skies intensifies, promising an outdoor paradise that beckons visitors to embrace its radiant charm.

Monthly Sunshine Duration in Rio San Juan: March Highlighted

The March sunshine duration represents the total number of hours Rio San Juan experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec251h302h338h343h346h355h361h350h319h318h290h314h
Data source: Rio San Juan March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rio San Juan During March

In March, Rio San Juan enjoys a 62% chance of sunny weather, making it a delightful time for outdoor activities and beach outings. This figure reflects a slight dip from February's impressive 67%, but still stands out favorably compared to the months that follow. As spring approaches, the odds of sunshine begin to soften, with April and May showing lower probabilities of clear skies at 56% and 57%, respectively. Interestingly, the overall trend indicates a gradual decline in sunny days as summer approaches, particularly noticeable in June and August, when the chances drop to 37% and 38%. Thus, March is an excellent choice for those seeking warm, sunny days before the summer humidity takes hold.

Percentage of Sunny Days in March in Rio San Juan

The chart illustrates the percentage of sunny days in Rio San Juan throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Rio San Juan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec45%67%62%56%57%37%49%38%52%42%60%62%
Data source: Rio San Juan March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rio San Juan in March

As March unfolds in Rio San Juan, Dominican Republic, residents and visitors alike can revel in an extra hour of daylight compared to the previous months, bringing the total to 12 hours. This trend of extending daylight continues into April, highlighting the gradual transition into spring. Following this, May and June boast the longest days of the year with 13 hours of sunshine, creating perfect opportunities for outdoor adventures and leisurely beach days. As summer approaches, daylight begins to gently taper off, yet the pleasant hours remain significant until late August. Overall, March marks a delightful turning point in daylight duration, setting the stage for longer, sun-soaked days in the months to follow.

Average Daylight Hours in Rio San Juan for March

The chart illustrates the variation in daylight duration in Rio San Juan throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 4m11h 29m12h 2m12h 35m13h 3m13h 17m13h 9m12h 44m12h 13m11h 39m11h 11m10h 57m
Data source: Rio San Juan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Rio San Juan

In March, the winds in Rio San Juan, Dominican Republic, gently transition from the brisk breezes of February, with an average speed of 5.4 m/s (12 mph). This slight dip, compared to February's 6.4 m/s (14 mph), sets the stage for the months to come. As spring unfolds, the winds maintain a consistent strength, hovering around 5.3 to 5.8 m/s (12 to 13 mph) through the early summer. This pattern suggests that while March brings a mild reprieve, the region is poised for an uptick in wind speeds during the height of summer, providing a refreshing contrast to the warm tropical climate. Overall, the wind dynamics reflect a steady rhythm, enhancing the charm of this coastal paradise.

Average March Wind Speed in Rio San Juan

The chart displays monthly wind speed patterns in Rio San Juan, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.96.45.4 m/s5.35.35.65.85.23.84.24.34.8
Data source: Rio San Juan March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Rio San Juan Compares to Other Months

Weather in Rio San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Rio San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of March and January, both months experience similar temperature ranges, with January showing a minimum of 21°C (71°F), an average of 25°C (77°F), and a maximum of 28°C (82°F), closely mirroring March's temperatures. However, March sees increased rainfall, totaling 112 mm (4.4 in) over 18 days, compared to January's 66 mm (2.6 in) across 15 days. January is also slightly more humid at 65%, while March has a humidity level of 59%. For more detailed insights, you can explore Rio San Juan weather in January.

In comparing the weather between March and February, both months exhibit similar temperature ranges, with a minimum of around 21°C (71°F), an average of 25°C (76°F), and a maximum of 28°C (83°F). However, March experiences significantly more precipitation, totaling 112 mm (4.4 in) over 18 days, compared to February's 70 mm (2.7 in) across 20 days. Additionally, March has slightly lower humidity at 59%, while February holds a higher humidity level of 63%. For more detailed insights, you can check Rio San Juan weather in February.

March and April exhibit relatively similar weather patterns, with both months showcasing warm temperatures. March has a slightly lower minimum temperature of 21°C (71°F) and an average of 25°C (76°F), while April sees a marginal increase, starting at 22°C (72°F) and maintaining the same average of 25°C (78°F). The maximum temperatures are also a bit higher in April, reaching 29°C (84°F) compared to March's 28°C (83°F). In terms of precipitation, March is notably wetter, receiving 112 mm (4.4 in) over 18 days, while April has only 68 mm (2.7 in) over 17 days, indicating a drier trend as the month progresses. Humidity remains fairly consistent, with March at 59% and April slightly lower at 58%. For more detailed information, you can check Rio San Juan weather in April.

March and May in Rio San Juan exhibit warm temperatures with only slight variations. In March, temperatures range from a minimum of 21°C (71°F) to a maximum of 28°C (83°F), with an average of 25°C (76°F). The month experiences more precipitation, totaling 112 mm (4.4 in) over 18 days, and has a humidity level of 59%. In contrast, May sees slightly warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 30°C (86°F), averaging 26°C (79°F). The rainfall decreases to 81 mm (3.2 in) over 19 days, and humidity remains fairly stable at 57%. For more details on weather in May, you can visit Rio San Juan weather in May.

In comparing the weather between March and June, March tends to be slightly cooler with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (83°F), while June offers warmer conditions with temperatures from a minimum of 24°C (76°F) to a maximum of 29°C (85°F). Additionally, March experiences significantly more precipitation, totaling 112 mm (4.4 in) over 18 days, compared to June's 60 mm (2.4 in) over 19 days. Humidity levels are relatively similar in both months, with March at 59% and June slightly lower at 57%. For a closer look at June's weather specifics in the area, you can check Rio San Juan weather in June.

When comparing the weather in March and July, it is evident that both months experience warm temperatures, but July tends to be slightly warmer overall. In March, the minimum temperature is 21°C (71°F), with an average of 25°C (76°F) and a maximum of 28°C (83°F). In contrast, July sees a minimum temperature of 24°C (76°F), an average of 27°C (81°F), and a maximum of 30°C (87°F). Both months experience significant precipitation, with March receiving 112 mm (4.4 in) over 18 days, while July has 103 mm (4.1 in) distributed across 23 days. Additionally, humidity levels are slightly higher in July at 63%, compared to 59% in March. For more detailed insights into July weather, check out Rio San Juan weather in July.

March and August present noticeably different weather patterns. In March, temperatures range from a minimum of 21°C (71°F) to a maximum of 28°C (83°F), with an average of 25°C (76°F). The month features 112 mm (4.4 in) of rainfall over 18 days, accompanied by a humidity level of 59%. In contrast, August sees warmer conditions, with temperatures varying from a minimum of 24°C (76°F) to a maximum of 31°C (88°F) and an average of 27°C (82°F). Precipitation in August totals 99 mm (3.9 in) over 22 days, along with higher humidity at 71%. For more detailed insights, you can check Rio San Juan weather in August.

In March, the weather features a comfortable range with minimum temperatures around 21°C (71°F) and average highs reaching 28°C (83°F), accompanied by a moderate humidity of 59%. Although precipitation is relatively high, measuring 112 mm (4.4 in) spread over 18 days, the temperatures remain pleasant for outdoor activities.

Conversely, September experiences a warmer climate with minimum temperatures of 24°C (76°F) and average highs of 31°C (88°F), along with increased humidity levels at 73%. Rainfall is also more pronounced during this month, totaling 145 mm (5.7 in) over 20 days, which may lead to more frequent showers. For those curious about the specific conditions, you can check Rio San Juan weather in September.

In March, temperatures in Rio San Juan range from a minimum of 21°C (71°F) to a maximum of 28°C (83°F), with an average of 25°C (76°F). The month experiences considerable rainfall, totaling 112 mm (4.4 in) over 18 days, resulting in a humidity level of 59%. In contrast, October offers slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 30°C (87°F). Precipitation in October is a bit less, at 102 mm (4.0 in) spread over 22 days, but the humidity rises to 72%. For more detailed insights on the weather during this month, visit Rio San Juan weather in October.

In comparing the weather of March and November, March tends to be slightly cooler, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (83°F). In contrast, November enjoys warmer temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 30°C (86°F). Both months experience similar levels of precipitation, with March receiving 112 mm (4.4 in) over 18 days and November slightly less at 110 mm (4.3 in) over 21 days. However, November is characterized by higher humidity, averaging 72%, compared to March's 59%. For more detailed insights, you can check out Rio San Juan weather in November.

March and December present distinct weather patterns in the region. In March, temperatures range from a minimum of 21°C (71°F) to a maximum of 28°C (83°F), with an average temperature of 25°C (76°F). However, it is also characterized by significant precipitation, totaling 112 mm (4.4 in) over 18 rainy days, and a humidity level of 59%.

In contrast, December sees slightly warmer temperatures, with a minimum of 23°C (74°F) and a maximum of 29°C (85°F), while the average remains at 25°C (78°F). This month experiences less rainfall, accumulating 83 mm (3.3 in) over 22 days, and a higher humidity of 69%. For more details on December weather in the area, you can check Rio San Juan weather in December.

Compare Rio San Juan's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Rio San Juan

As March unfolds in Rio San Juan, the weather offers a delightful transition into warmer days, characterized by mild temperatures and increasing humidity. Unlike the cooler months preceding it, March sees the mercury rise, creating a more inviting atmosphere for outdoor activities. However, the region also experiences notable rainfall, with around half of the month graced by precipitation, making it distinct from the drier months ahead. This blend of warmth and moisture contributes to the lush, vibrant landscape, perfect for exploring the natural beauty of this tropical paradise. For a deeper look at the climatic patterns, please visit Rio San Juan Climate.