March Weather in Culebra, Puerto Rico

Last updated: August 31, 2025

March in Culebra, Puerto Rico presents a delightful blend of warm, tropical weather, with average temperatures hovering around 25°C (77°F). Daily highs can reach up to 26°C (80°F), while evenings are pleasantly cool with lows around 23°C (73°F). Although the island enjoys considerable warmth, it also experiences some moisture, as evidenced by an average precipitation of 40 mm (1.6 in) spread across 11 days of the month. With humidity levels around 74%, visitors can expect a lush, vibrant atmosphere, perfect for exploring the stunning landscapes and pristine beaches that Culebra has to offer.

March Temperature in Culebra

In Culebra, Puerto Rico, March ushers in a delightful embrace of warm temperatures, with minimums around 23°C (73°F) and averages settling at 25°C (77°F)—a subtle continuation of the pleasant conditions from the previous months. As the island transitions from winter to spring, the maximum temperature gently peaks at 26°C (80°F), indicating a slight dip from the higher averages of February. This month maintains a consistent warmth that makes Culebra an irresistible destination for beachgoers and nature lovers alike, signaling the onset of more vibrant days ahead. The trend remains steady, encouraging outdoor exploration while enjoying the enchanting beauty of this Caribbean gem.

March Weather in Culebra: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Culebra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Culebra, 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).
JanFebMarAprMayJunJulAugSepOctNovDec787777787981818282818079
Data source: Temperature data for Culebra 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 Culebra

In March, Culebra, Puerto Rico experiences a moderate rise in precipitation, recording 40 mm (1.6 in) over 11 days of rainfall. This uptick marks a shift from the drier months of January and February, which saw rainfall amounts of 33 mm and 31 mm respectively. As the island transitions into spring, March sets the stage for a gradual increase in moisture, paving the way for the wetter months ahead. Following March, April continues this trend with a slight increase to 41 mm, suggesting Culebra is moving towards its peak rainy season. This gradual build-up of precipitation not only heralds the onset of lush greenery but also indicates a sustained pattern of rainfall that will peak in the heart of summer.

March Precipitation Trends in Culebra

The chart displays monthly precipitation patterns in Culebra, 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 Culebra, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec33314041576410211416013610751
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Culebra

In March, Culebra, Puerto Rico experiences a slight dip in humidity, averaging 74%, which is a gradual decline from 75% in February. This trend marks the beginning of the transition towards the wetter months ahead, as humidity levels begin to creep back up in April, returning to 75% and maintaining that level through May. The island's climate indicates a steady increase in humidity as summer approaches, peaking in the warmer months of July and August, reaching 80%. Overall, March serves as a brief respite before the humidity rises, creating a comfortable environment for both residents and visitors alike.

March Average Humidity in Culebra

This chart illustrates the average monthly humidity levels in Culebra, 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 Culebra is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Culebra

In March, Culebra, Puerto Rico, experiences a notably high UV Index of 13, keeping it in the extreme exposure category. This trend of rising UV levels began earlier in the year, with February peaking at an Index of 11. As spring unfolds, the burn time shortens to just 10 minutes, signaling the need for extra caution under the sun. This intensity is consistent throughout the following months, highlighting a critical period where sun safety measures are vital. Visitors and residents alike should remain vigilant, using sunscreen and protective clothing to enjoy the vibrant outdoors safely. For more detailed UV information, check out Culebra UV Index.

Maximum UV Index Levels in Culebra for March

The chart shows the monthly maximum UV Index (UVI) for Culebra 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 Culebra typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141298
Data source: Culebra 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 Culebra

March brings an impressive 349 hours of sunshine to Culebra, Puerto Rico, marking it as one of the sunniest months of the year. This increase in sunlight, compared to 258 hours in January and 301 hours in February, signals the transition into spring and a notably bright beginning to the season. Following closely, April offers nearly the same sunshine as March with 348 hours, while May takes the lead with a sun-drenched 358 hours. The trend reveals a delightful progression as spring unfolds, inviting visitors and locals alike to bask in the warmth and beauty of Culebra's stunning landscapes during these vibrant months.

Monthly Sunshine Duration in Culebra: March Highlighted

The March sunshine duration represents the total number of hours Culebra 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.
JanFebMarAprMayJunJulAugSepOctNovDec258h301h349h348h358h344h354h347h319h316h302h320h
Data source: Culebra March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Culebra During March

March in Culebra, Puerto Rico, offers a promising chance of sunshine, with a 71% likelihood of clear skies, making it one of the sunniest months of the year. Following a bright February, where the sun shone 73% of the time, March maintains this upward trend before dropping to 50% in April. As spring approaches, visitors can expect mostly pleasant weather, ideal for enjoying the island's stunning beaches and outdoor activities. After March, the chances of sunny days fluctuate significantly, dipping to a low of 24% in June, so it's an excellent time to soak up the rays before the rainy season begins.

Percentage of Sunny Days in March in Culebra

The chart illustrates the percentage of sunny days in Culebra 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 Culebra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%73%71%51%62%24%47%44%57%53%66%70%
Data source: Culebra March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Culebra in March

In March, Culebra, Puerto Rico experiences a delightful increase in daylight duration, boasting 12 hours of sunshine each day. This marks a transition from the steady 11 hours of January and February, signaling the arrival of spring with longer, brighter days. As the month progresses, residents and visitors alike can bask in the warmth, enjoying the vibrant natural surroundings and outdoor activities. This upward trend in daylight hours continues into April and May, solidifying the energetic ambiance that characterizes the Caribbean during this time. With the approaching summer months, Culebra’s charm shines even brighter, inviting everyone to revel in the island's beauty and ample sunshine.

Average Daylight Hours in Culebra for March

The chart illustrates the variation in daylight duration in Culebra throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 59m13h 11m13h 5m12h 42m12h 12m11h 41m11h 15m11h 2m
Data source: Culebra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Culebra

As March unfolds in Culebra, Puerto Rico, the island experiences a notable shift in wind patterns. With an average wind speed of 7.5 m/s (17 mph), March serves as a delightful transition between the brisk breezes of winter and the warmer summer gusts. This month slightly cools down from February's peak wind speed of 8.7 m/s (19 mph) but remains more invigorating than the upcoming calmer days of April, which sees a drop to 6.3 m/s (14 mph). The springtime winds in March not only awaken the natural beauty of Culebra but also create the perfect atmosphere for outdoor activities, making it a favorite time for both locals and visitors to enjoy the stunning beaches and vibrant landscape. As the island embraces the changing season, the gentle whispers of March's winds invite everyone to explore and appreciate the enchanting surroundings.

Average March Wind Speed in Culebra

The chart displays monthly wind speed patterns in Culebra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.98.77.5 m/s6.37.18.18.47.45.56.16.47.8
Data source: Culebra March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Culebra Compares to Other Months

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

In comparing the weather of March and January, both months exhibit similarly warm temperatures, with January showing a slight edge as it has a maximum of 27°C (81°F) compared to March's maximum of 26°C (80°F). The average temperatures are nearly identical, remaining around 25°C (77°F). However, March tends to be slightly wetter, recording 40 mm (1.6 in) of precipitation over 11 days, whereas January has 33 mm (1.3 in) spread across 13 days. Humidity levels are also comparable, with March at 74% and January slightly higher at 76%. For a more detailed look at January weather, you can visit Culebra weather in January.

In comparing the weather between February and March, both months exhibit similar average temperatures, hovering around 25°C (77°F). However, March experiences a slightly higher minimum temperature of 23°C (73°F) compared to February's 22°C (72°F). In terms of maximum temperatures, February reaches a peak of 27°C (81°F), slightly warmer than March's maximum of 26°C (80°F). Precipitation is more frequent in March, with 40 mm (1.6 in) recorded over 11 days, while February sees less rainfall at 31 mm (1.2 in) across 12 days. Additionally, humidity remains quite consistent, averaging 74% in March and 75% in February. For more details on February's weather, you can refer to Culebra weather in February.

In March, temperatures in Culebra range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average temperature of 25°C (77°F). The month experiences around 40 mm (1.6 inches) of precipitation over 11 days, with humidity at 74%. In contrast, April sees a slight increase in temperatures, with a minimum of 23°C (73°F), an average of 26°C (78°F), and a maximum of 27°C (81°F). Precipitation remains similar at 41 mm (1.6 inches), but the rainy days decrease to 9, and humidity rises slightly to 75%. For more detailed information, visit Culebra weather in April.

In comparing the weather between March and May, March exhibits slightly milder temperatures with a minimum of 23°C (73°F), and an average of 25°C (77°F), whereas May sees a small increase, with a minimum of 24°C (75°F) and an average of 26°C (80°F). The maximum temperature in May also rises to 28°C (83°F), compared to March's peak of 26°C (80°F). Additionally, precipitation increases in May, totaling 57 mm (2.2 in) over 13 days, in contrast to March's 40 mm (1.6 in) over 11 days. Humidity remains relatively similar between the two months, with March at 74% and May at 75%. For a more detailed look at May weather, check out Culebra weather in May.

March and June exhibit notable differences in weather characteristics. In March, temperatures range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F). This month experiences around 40 mm (1.6 in) of precipitation over 11 days, coupled with a humidity level of 74%. By June, temperatures rise slightly, with lows of 24°C (76°F) and highs reaching 29°C (84°F), averaging 27°C (81°F). Precipitation also increases to 63 mm (2.5 in) across 15 days, while humidity climbs to 77%. For a detailed look at June weather specifically in Culebra, you can visit Culebra weather in June.

In March, the weather is generally warm with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), averaging around 25°C (77°F). This month sees about 40 mm (1.6 in) of precipitation over 11 days, accompanied by a humidity level of 74%. In contrast, July experiences slightly higher temperatures, with a minimum of 25°C (78°F) and a maximum reaching 29°C (84°F), averaging 27°C (82°F). However, this summer month also brings increased rainfall, totaling 102 mm (4.0 in) over 19 days, and a higher humidity level of 80%. For more detailed insights, you can check out Culebra weather in July.

In comparing March and August weather, March typically offers milder temperatures, with a minimum of 23°C (73°F) and an average of 25°C (77°F), while August is notably warmer, featuring a minimum of 25°C (77°F) and an average of 28°C (82°F). Precipitation levels also differ significantly: March sees 40 mm (1.6 in) over 11 days, whereas August experiences much heavier rainfall totaling 114 mm (4.5 in) across 19 days. Furthermore, humidity is slightly higher in August at 80%, compared to 74% in March. For more details about the weather in August, visit Culebra weather in August.

In comparing the weather between March and September, notable differences emerge. March experiences milder temperatures, with a minimum of 23°C (73°F) and an average of 25°C (77°F), while September sees warmer conditions, starting at a minimum of 25°C (78°F) and averaging 28°C (82°F). Additionally, September is significantly wetter, receiving 160 mm (6.3 in) of precipitation over 20 days compared to March’s 40 mm (1.6 in) across 11 days. This results in a higher humidity level in September, at 79%, compared to March’s 74%. For a more detailed overview, you can explore Culebra weather in September.

When comparing the weather in March and October, it's clear that October tends to be warmer and wetter. In March, temperatures range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F). The month sees about 40 mm (1.6 in) of precipitation over 11 days, accompanied by a humidity level of 74%. In contrast, October boasts higher temperatures, with a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 29°C (85°F). Additionally, October experiences significantly more rainfall, totaling 136 mm (5.4 in) across 18 days and slightly higher humidity at 78%. For a more detailed look at October conditions, you can visit Culebra weather in October.

March and November present a warm climate, but they differ notably in terms of temperature and precipitation. In March, the temperatures range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F). The month sees around 40 mm (1.6 in) of precipitation over 11 days, accompanied by a humidity level of 74%. In contrast, November experiences slightly warmer temperatures, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 28°C (84°F). However, it also sees higher rainfall, totaling 107 mm (4.2 in) spread over 17 days, with humidity rising to 78%. For more detailed insights into the weather during this month, check out Culebra weather in November.

In March, temperatures in Culebra range from a minimum of 23°C (73°F) to a maximum of 26°C (80°F), with an average of 25°C (77°F). The month experiences around 40 mm (1.6 in) of precipitation spread over 11 days, coupled with a humidity level of 74%. In contrast, December sees slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 28°C (83°F), averaging 26°C (79°F). Precipitation increases to 51 mm (2.0 in) over 15 days, with humidity at 76%. For more detailed information, you can check Culebra weather in December.

Compare Culebra's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Culebra

In March, Culebra experiences a delightful transition into spring with pleasantly warm temperatures averaging 25°C (77°F), making it a perfect time for outdoor activities. Unlike the wetter months, March sees a reduction in rainfall, with only 40 mm over approximately 11 days, contributing to a drier atmosphere contrasted with the higher humidity of 74%. This unique blend of warmer days and moderate moisture provides a refreshing escape, allowing visitors to enjoy the island's stunning beaches and vibrant landscapes. For further insights into what to expect throughout the year, check out Culebra Climate.