April Weather in Saint Croix, Virgin Islands (U.S.)

Last updated: August 28, 2025

April in Saint Croix, Virgin Islands (U.S.) offers a delightful tropical experience, with maximum temperatures averaging around 28°C (82°F) and a pleasant average temperature of 26°C (78°F). Residents and visitors alike can expect minimum readings of 23°C (74°F), creating a warm and inviting atmosphere throughout the month. However, be prepared for occasional showers, as April witnesses 41 mm (1.6 in) of precipitation across approximately 10 days, contributing to the island’s lush landscapes. With an average humidity level of 78%, the air is imbued with a refreshing, tropical essence, making it an ideal time to explore the beauty of Saint Croix.

April Temperature in Saint Croix

In April, temperatures in Saint Croix, U.S. Virgin Islands start to warm up, with minimums settling around 23°C (74°F) and averages reaching 26°C (78°F), peaking at a delightful 28°C (82°F). This gradual increase shows a clear trend of rising warmth as spring progresses into the early summer months. Compared to March, where temperatures were slightly cooler, April invites visitors to bask in more sunshine and explore the island's beautiful landscapes. As the month unfolds, residents and tourists alike can enjoy longer days filled with warmth, making it a perfect time for beach outings and outdoor adventures.

April Weather in Saint Croix: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Saint Croix, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Croix, April 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 Saint Croix 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.

April Precipitation in Saint Croix

In April, precipitation in Saint Croix, U.S. Virgin Islands sees a notable increase, with 41 mm (1.6 in) of rain recorded over 10 days. This uptick marks a shift from the steady amounts seen in the preceding months, reflecting the transition towards the wetter season. April's rainfall is a precursor to the more substantial precipitation that follows in May and through the summer months, indicating a pattern of increasing moisture as the year progresses. With April's showers, the island prepares for the lush growth and vibrant landscapes that the upcoming months will bring.

April Precipitation Trends in Saint Croix

The chart displays monthly precipitation patterns in Saint Croix, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Saint Croix, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec343134415759921231561309850
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Saint Croix

April in Saint Croix marks a subtle uptick in humidity, rising to 78%, just a notch above the steady 77% observed in the preceding months. This trend hints at the arrival of the warmer and more humid summer months ahead. As the island transitions into May, humidity is anticipated to climb further to 79%, signaling the onset of peak tropical conditions. Overall, the gradual increase from January through April suggests a consistent pattern of rising humidity, preparing residents and visitors alike for the lush, vibrant island atmosphere that characterizes the Virgin Islands as they head into the summer.

April Average Humidity in Saint Croix

This chart illustrates the average monthly humidity levels in Saint Croix, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Saint Croix is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%77%77%78%79%81%83%82%80%79%79%78%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Saint Croix

April in Saint Croix, Virgin Islands, brings an extreme UV Index of 13, consistent with the previous month. Notably, this marks a trend of heightened sun exposure from February through April, with each month registering an UV Index between 11 and 13, indicating that visitors should be particularly vigilant about sun protection. With a burn time of just 10 minutes, it's essential to apply sunscreen regularly and seek shade during peak hours. The UV Index remains high as we transition into the hotter months, making this an ideal time to stay informed about sun safety. For more information on protecting yourself under the Caribbean sun, visit Saint Croix UV Index.

Maximum UV Index Levels in Saint Croix for April

The chart shows the monthly maximum UV Index (UVI) for Saint Croix in April, 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 April, the maximum UV index in Saint Croix typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111313131313131412109
Data source: Saint Croix April 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.

April Sunshine in Saint Croix

April in Saint Croix, U.S. Virgin Islands, ushers in a delightfully sunlit ambiance with 347 hours of sunshine, closely mirroring the previous month's totals. This slight dip from March’s 349 hours showcases the region's consistently vibrant weather as spring unfolds. Continuing this trend of generous sunlight, May promises to shine even brighter with 361 hours, setting the stage for a sun-soaked summer ahead. Overall, April captures the essence of the Caribbean’s abundant warmth, making it a perfect time for travelers to soak in the lush landscapes and sparkling waters that this beautiful island offers.

Monthly Sunshine Duration in Saint Croix: April Highlighted

The April sunshine duration represents the total number of hours Saint Croix experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec260h303h349h347h361h344h356h349h319h318h307h321h
Data source: Saint Croix April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Croix During April

In April, the likelihood of sunny weather in Saint Croix, Virgin Islands, dips to 49%, making it one of the lesser sunny months compared to the preceding spring months. After experiencing a 72% chance of sunshine in February and a commendable 71% in March, the transition into April signals a notable shift. This month, often regarded as the gateway to the wetter summer season, contrasts sharply with May’s 61% chance of sun. Interestingly, while January to March showcase a streak of relatively high sunshine probabilities, April marks a significant dip, hinting at the seasonal changes ahead. As the island gears up for the summer months with a 23% chance of sunshine in June, April serves as a gentle reminder that while sunshine is delightful, nature's variability keeps us on our toes.

Percentage of Sunny Days in April in Saint Croix

The chart illustrates the percentage of sunny days in Saint Croix throughout the year, with April 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 Saint Croix experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%72%71%49%61%23%47%46%61%57%68%68%
Data source: Saint Croix April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Croix in April

In April, Saint Croix enjoys a delightful 12 hours of daylight, matching the amount seen in March and May. This consistency reflects a gradual increase from the 11 hours experienced earlier in the year, signaling the arrival of longer days as spring progresses towards summer. As the days lengthen, residents and visitors alike can bask in the beautiful Caribbean sun, setting the stage for outdoor adventures and vibrant sunsets. Notably, the peak daylight period unfolds in June and July, where day length stretches to a full 13 hours. This trend of increasing daylight not only enhances the island's natural beauty but also invites more opportunities for exploration and relaxation throughout the vibrant April month.

Average Daylight Hours in Saint Croix for April

The chart illustrates the variation in daylight duration in Saint Croix throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 11m11h 33m12h 2m12h 32m12h 57m13h 9m13h 3m12h 40m12h 12m11h 42m11h 17m11h 4m
Data source: Saint Croix daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Saint Croix

In April, the winds in Saint Croix settle into a gentle rhythm, with an average wind speed of 6.4 m/s (14 mph). This marks a slight dip from the breezier months of February and March, where speeds reached 8.9 m/s (20 mph) and 7.4 m/s (17 mph) respectively. As spring fully unfolds, the transition to milder winds continues, creating a serene atmosphere perfect for outdoor activities. This pattern of fluctuating winds is typical as the island shifts from the cooler, gustier days of winter to the warming embrace of summer, setting the stage for the lively breezes that define the seasons ahead.

Average April Wind Speed in Saint Croix

The chart displays monthly wind speed patterns in Saint Croix, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.18.97.46.4 m/s7.28.18.57.45.56.16.48.0
Data source: Saint Croix April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Saint Croix Compares to Other Months

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

Comparing the weather in April and January, both months showcase a warm tropical climate but display some differences in temperature and precipitation. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 28°C (82°F), with an average of 26°C (78°F). This month experiences slightly higher precipitation at 41 mm (1.6 in) over 10 days, coupled with a humidity level of 78%. In contrast, January has a more moderate temperature range, with a minimum of 23°C (74°F), an average of 25°C (78°F), and a maximum of 27°C (81°F). Precipitation in January is a bit lower, totaling 34 mm (1.3 in) across 13 days, with humidity at a similar level of 77%. For more detailed information, you can check Saint Croix weather in January.

When comparing the weather in April and February, April tends to be slightly warmer with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 28°C (82°F), while February has a slightly cooler average, with temperatures from a minimum of 22°C (72°F) to a maximum of 27°C (81°F). April also sees more rainfall, totaling 41 mm (1.6 in) across 10 days, compared to February's 31 mm (1.2 in) over 11 days. Humidity levels are similar, with April at 78% and February at 77%, making both months feel quite comfortable. For a detailed look at February’s climate, visit Saint Croix weather in February.

In comparing the weather of April and March, both months exhibit similar warm temperatures, with April showing a slight increase in averages. In April, the minimum temperature starts at 23°C (74°F) and averages around 26°C (78°F), reaching a maximum of 28°C (82°F). In contrast, March has a similar minimum of 23°C (73°F), an average of 25°C (77°F), and peaks at 26°C (80°F). While March has slightly less precipitation at 34 mm (1.3 in) over 11 days compared to April’s 41 mm (1.6 in) across 10 days, both months maintain comparable humidity levels, with April at 78% and March at 77%. For more detailed insights, you can check Saint Croix weather in March.

In comparing the weather patterns of April and May, both months exhibit warm temperatures, but May tends to be slightly warmer with a minimum temperature of 24°C (75°F) compared to April's 23°C (74°F). While the average temperature remains consistent at 26°C (78°F), May reaches a maximum of 28°C (83°F), which matches April's peak but is associated with increased precipitation. May sees an average of 57 mm (2.2 in) of rainfall over 13 days, up from April's 41 mm (1.6 in) over 10 days, and humidity levels are only marginally higher in May at 79% versus April's 78%. For more detailed insights on the weather conditions, check out Saint Croix weather in May.

In comparing the weather of April and June, we observe a slight increase in temperatures. April features a minimum temperature of 23°C (74°F) and an average of 26°C (78°F), whereas June sees a minimum of 25°C (77°F) and an average of 27°C (81°F). Both months have relatively high humidity levels, but June is a bit more humid at 81% compared to April's 78%. Precipitation also increases in June, with 59 mm (2.3 in) over 17 days, compared to April's 41 mm (1.6 in) over 10 days. For a detailed overview of June conditions, visit Saint Croix weather in June.

Comparing the weather in April and July reveals notable differences. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 28°C (82°F), with an average of 26°C (78°F). The month experiences around 41 mm (1.6 in) of precipitation over approximately 10 days and a humidity level of 78%. In contrast, July sees slightly warmer temperatures, with a minimum of 25°C (78°F), an average of 27°C (82°F), and a maximum of 29°C (84°F). This month also has more rainfall, totaling 92 mm (3.6 in) over about 19 days, resulting in increased humidity at 83%. For more detailed information, visit Saint Croix weather in July.

When comparing the weather in April and August, we see distinct differences in temperature, precipitation, and humidity. In April, temperatures range from a minimum of 23°C (74°F) to an average of 26°C (78°F), peaking at 28°C (82°F) with a humidity level of 78%. Precipitation is relatively moderate, totaling 41 mm (1.6 in) over about 10 days. In contrast, August experiences slightly warmer temperatures, with a minimum of 25°C (77°F) and an average of 28°C (82°F), reaching a maximum of 29°C (85°F). However, it also brings increased rainfall, accumulating 123 mm (4.8 in) across 17 days, alongside a higher humidity level of 82%. For more details, you can check out Saint Croix weather in August.

In April, the weather on Saint Croix is characterized by milder temperatures with a minimum of 23°C (74°F) and an average of 26°C (78°F), while September sees slightly warmer conditions with a minimum of 25°C (78°F) and an average of 28°C (82°F). April typically experiences less precipitation, averaging 41 mm (1.6 in) over about 10 days, compared to September’s significantly higher rainfall of 156 mm (6.2 in) across roughly 20 days. Additionally, while both months feature high humidity levels around 78% in April and 80% in September, September often feels more humid due to the increased rainfall. For more details on the weather patterns in September, you can visit Saint Croix weather in September.

April and October exhibit warm temperatures, but October tends to be slightly warmer and wetter. In April, the minimum temperature averages around 23°C (74°F), while in October, it starts at a higher minimum of 25°C (77°F). The average temperature in October is also marginally higher at 27°C (82°F) compared to April's 26°C (78°F). However, October is much rainier, receiving 130 mm (5.1 in) of precipitation over 18 days, while April sees only 41 mm (1.6 in) across 10 days. Both months maintain high humidity levels, hovering around 78-79%. For a detailed look at October's climate, check out Saint Croix weather in October.

April and November in Saint Croix present distinct weather patterns. In April, temperatures range from a mild 23°C (74°F) to a comfortable 28°C (82°F), accompanied by approximately 41 mm (1.6 in) of rainfall over 10 days and a humidity level of 78%. In contrast, November offers slightly warmer temperatures, with a minimum of 25°C (77°F) and an average of 27°C (81°F), while also experiencing increased precipitation of 98 mm (3.9 in) over 17 days. The humidity in November remains similar at 79%, contributing to a generally humid atmosphere. For more details, you can refer to Saint Croix weather in November.

April and December in Saint Croix exhibit similar temperature ranges, with both months featuring minimum temperatures around 23-24°C (74-75°F) and average highs reaching 28°C (82-83°F). However, April experiences slightly less rainfall, averaging 41 mm (1.6 in) over 10 days compared to December's 50 mm (2.0 in) spread across 16 days. Humidity remains consistent at 78% for both months, providing a tropical feel year-round. For more detailed weather comparisons, you can refer to Saint Croix weather in December.

Compare Saint Croix's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Saint Croix

April in Saint Croix offers a delightful transition into warmer weather, characterized by pleasantly warm temperatures and a hint of humidity. With averages settling around a comfortable 26°C (78°F), residents and visitors alike can enjoy the tropical charm as daytime highs reach up to 28°C (82°F). While rainfall may grace the island on about ten days, the total precipitation remains moderate, making it a favorable time for outdoor adventures. Compared to the preceding months, April tends to be sunnier and drier, heralding the onset of the dry season. For those planning their trip, this month strikes a perfect balance, inviting you to bask in the sun while still being surrounded by the lush landscapes of this beautiful Caribbean paradise. For a deeper insight into the weather patterns, check out the detailed Saint Croix Climate.