April Weather in Gustavia, Saint Barthélemy

Last updated: October 31, 2025

In April, Gustavia, Saint Barthélemy, experiences delightful tropical weather, with maximum temperatures reaching 27°C (81°F) and an average hovering around 25°C (78°F). The nights remain pleasantly warm, with minimum temperatures of about 23°C (74°F). While the island enjoys significant warmth, it also encounters some rainfall, totaling 34 mm (1.3 in) over approximately 11 days, creating a lush and vibrant environment. Humidity levels are around 78%, contributing to the island's characteristic tropical feel. This combination of warm temperatures and occasional showers makes April an enchanting time to explore the scenic beauty of Gustavia.

April Temperature in Gustavia

In Gustavia, Saint Barthélemy, April ushers in a delightful warmth, with temperatures mirroring the tropical charm of the island. The average temperature hovers around 25°C (78°F), offering a comfortable and inviting environment for outdoor exploration. With minimums around 23°C (74°F) and maximums peaking at 27°C (81°F), April serves as a smooth transition, maintaining the steady warmth seen in the preceding months. As the month progresses, this delightful weather sets the stage for mingling on sun-drenched beaches and enjoying the vibrant local culture, making it an ideal time to visit this picturesque destination.

April Weather in Gustavia: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Gustavia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gustavia, April typically has an average temperature of 25°C (78°F), with highs reaching up to 27°C (81°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980818282818079
Data source: Temperature data for Gustavia generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Gustavia

April in Gustavia, Saint Barthélemy experiences a moderate level of precipitation, with 34 mm (approximately 1.3 in) of rainfall spread over 11 days. This marks a slight increase from March's 27 mm but reflects the well-established pattern of transitioning into the wetter months. As the island approaches May and June, precipitation typically rises, with those months averaging 47 mm and 49 mm, respectively, hinting at the beginning of the rainy season. Overall, April offers a pleasant balance of rain and sunshine, making it a lovely time to visit before the more tropical downpours of summer fully set in.

April Precipitation Trends in Gustavia

The chart displays monthly precipitation patterns in Gustavia, 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 Gustavia, April typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec35352734474980861521139548
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Gustavia

In April, Gustavia, Saint Barthélemy experiences a slight uptick in humidity, reaching 78%—a small but noticeable shift from the consistent 77% experienced in the earlier months. This gradual increase signals the approach of the warmer months ahead, as May further climbs to 79%. The trend suggests that as spring transitions into summer, residents and visitors alike can expect a more humid climate, ultimately peaking in the heart of summer with July hitting 83%. This steady rise not only sets the stage for lush tropical experiences but also adds a layer of warmth to the island's allure.

April Average Humidity in Gustavia

This chart illustrates the average monthly humidity levels in Gustavia, 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 Gustavia is approximately 78%, 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 Gustavia

In April, Gustavia experiences an extreme UV Index of 13, mirroring the trends seen in both March and May. This consistency indicates that as the spring season unfolds, sun exposure becomes more intense, necessitating diligent sun safety precautions—such as limiting direct sunlight exposure to just 10 minutes to avoid harmful burns. With April's UV ratings remaining high, locals and tourists alike should prepare for the sun's strength, reinforcing the importance of protective measures. As summer approaches, maintaining awareness of the UV Index remains crucial throughout the months ahead. For more detailed information on sun safety, explore the Gustavia UV Index.

Maximum UV Index Levels in Gustavia for April

The chart shows the monthly maximum UV Index (UVI) for Gustavia 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 Gustavia typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313131299
Data source: Gustavia 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 Gustavia

April in Gustavia, Saint Barthélemy, blesses visitors with 350 hours of delightful sunshine, seamlessly maintaining the brightness from March. As the island transitions into spring, the sun-soaked days hint at the approaching peak of summer, which begins in May with an impressive 363 hours of radiant light. This steady increase in sunshine from January's 259 hours showcases a clear trend toward longer, sun-kissed days, enriching the vibrant atmosphere of this Caribbean paradise. Whether lounging on the beach or exploring the charming streets, the April sun invites adventure and relaxation alike, making it a perfect time to soak in the island's beauty.

Monthly Sunshine Duration in Gustavia: April Highlighted

The April sunshine duration represents the total number of hours Gustavia 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.
JanFebMarAprMayJunJulAugSepOctNovDec259h299h350h350h363h345h364h352h323h321h309h324h
Data source: Gustavia April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gustavia During April

April in Gustavia, Saint Barthélemy, presents a notable dip in sunny weather likelihood, with a 47% chance of sunshine compared to the preceding months. This reduction follows a promising trend in both January and February, which boast higher probabilities of clear skies at 57% and 71%, respectively. However, as spring unfolds, the sunshine likelihood decreases before rebounding slightly in May at 60%. Interestingly, this April figure aligns closely with the sunnier months of August, also at 47%, suggesting a pattern of variability that travelers should consider. Overall, while April may not guarantee abundant sunshine, the surrounding months showcase a vibrant tapestry of weather possibilities in this tropical paradise.

Percentage of Sunny Days in April in Gustavia

The chart illustrates the percentage of sunny days in Gustavia 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 Gustavia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%72%72%47%60%25%50%47%58%57%67%65%
Data source: Gustavia April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gustavia in April

In April, Gustavia, Saint Barthélemy enjoys a delightful 12 hours of daylight, continuing the trend established in March. As the year unfolds, daylight duration begins to stabilize, with both March and April sharing this sun-kissed duration. The island transforms from the shorter days of January and February, gradually welcoming longer evenings as spring approaches. In the months that follow, daylight stretches further into summer, peaking at 13 hours in June and July before gradually tapering off again. This rhythm captures the essence of life in Gustavia, where each month brings a subtle yet beautiful shift in the balance of light and dark.

Average Daylight Hours in Gustavia for April

The chart illustrates the variation in daylight duration in Gustavia throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 33m12h 2m12h 32m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Gustavia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Gustavia

In April, Gustavia in Saint Barthélemy welcomes a gentle breeze, 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, which peaked at 9.0 m/s (20 mph) and 7.3 m/s (16 mph), respectively. As spring unfolds, the winds calm down, setting a tranquil backdrop perfect for leisurely strolls along the picturesque coast. While May sees a modest increase to 7.1 m/s (16 mph), the prevailing conditions in April create a serene atmosphere, making it an ideal time for visitors to enjoy the island's stunning landscapes without the intensity of stronger winds seen earlier in the season.

Average April Wind Speed in Gustavia

The chart displays monthly wind speed patterns in Gustavia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.89.07.36.4 m/s7.18.18.47.15.36.26.18.0
Data source: Gustavia April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Gustavia Compares to Other Months

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

In comparing the weather of April and January, both months share similar temperature ranges, with a minimum of 23°C (74°F), an average of 25°C (78°F), and a maximum of 27°C (81°F). However, April experiences slightly less precipitation (34 mm or 1.3 in) across 11 days, compared to January's 35 mm (1.4 in) over 13 days. Additionally, April has a marginally higher humidity level at 78%, while January sits at 77%. For more detailed insights on January weather in Gustavia, you can check Gustavia weather in January.

When comparing the weather in April and February, both months feature similar temperature ranges, with April slightly warmer: it has a minimum temperature of 23°C (74°F) and a maximum of 27°C (81°F), while February ranges from a minimum of 22°C (72°F) to a maximum of 26°C (80°F). Precipitation levels are quite close as well, with April receiving 34 mm (1.3 in) and February at 35 mm (1.4 in), both spread over 11 days. Humidity levels are comparable, with April at 78% and February at 77%, making both months relatively humid. For a detailed look at February's weather, you can check Gustavia weather in February.

In comparing the weather between March and April, both months exhibit similar temperature profiles with average highs around 25°C (77°F), but April slightly edges out with a maximum of 27°C (81°F) compared to March's 26°C (79°F). Humidity levels are also quite comparable, with April at 78% and March at 77%, indicating a consistently humid environment. However, April experiences a bit more rainfall, with 34 mm (1.3 in) over 11 days, compared to March's 27 mm (1.1 in) over 10 days. For a detailed overview of Gustavia's weather in March, you can check this link: Gustavia weather in March.

April and May experience similar temperature ranges, with April averaging 25°C (78°F) and May slightly warmer at 26°C (79°F). Both months have a minimum temperature of 23°C (74°F), while May reaches a maximum of 28°C (82°F) compared to April's 27°C (81°F). However, May sees increased precipitation, totaling 47 mm (1.8 in) over 12 days, while April has 34 mm (1.3 in) over 11 days. Humidity remains slightly higher in May at 79%, compared to 78% in April. For more specific details on May weather, visit Gustavia weather in May.

In comparing the weather between April and June, we can observe a slight increase in temperatures and humidity levels. April features minimum temperatures around 23°C (74°F) and averages of 25°C (78°F), while June starts with a higher minimum of 25°C (76°F) and an average of 27°C (81°F). Precipitation also rises from 34 mm (1.3 in) over 11 days in April to 49 mm (1.9 in) over 14 days in June, indicating a wetter month. The humidity in June is slightly higher at 81% compared to April's 78%. For a more detailed breakdown of June weather specifics, you can check out Gustavia weather in June.

In comparing the weather conditions of April and July, we notice a gradual increase in temperature and humidity. April experiences average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average of 25°C (78°F). In contrast, July's temperatures are slightly higher, with minimums of 25°C (77°F), averages of 27°C (81°F), and maximums reaching 29°C (84°F). While April sees 34 mm (1.3 in) of precipitation over 11 days, July experiences significantly more rainfall at 80 mm (3.2 in) across 17 days. Additionally, humidity rises from 78% in April to 83% in July, making July feel more humid and potentially more uncomfortable. For more detailed insights, you can refer to Gustavia weather in July.

When comparing the weather in April and August, notable differences emerge. April experiences slightly lower temperatures, with averages around 25°C (78°F) and a maximum of 27°C (81°F). In contrast, August is warmer, with an average temperature of 28°C (82°F) and reaching up to 29°C (84°F). Additionally, August sees a significant increase in precipitation, totaling 86 mm (3.4 in) over 16 days, compared to April’s 34 mm (1.3 in) over just 11 days. Humidity levels are also higher in August at 82%, compared to April's 78%. For more detailed insights into the weather during this month, you can check Gustavia weather in August.

April and September offer distinct weather contrasts. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 27°C (81°F), with an average of 25°C (78°F). The month sees relatively low precipitation at 34 mm (1.3 in) over 11 days, accompanied by a humidity level of 78%. In contrast, September experiences warmer temperatures, with minimums of 25°C (77°F) and maximums reaching up to 29°C (85°F), averaging 28°C (82°F). However, it also brings significantly more rain, totaling 152 mm (6.0 in) across 22 days, while humidity slightly increases to 80%. For more detailed insights into the weather conditions, you can check Gustavia weather in September.

April and October exhibit distinct weather patterns that reflect the transition between the spring and autumn months. In April, temperatures are slightly lower, with a minimum of 23°C (74°F) and an average of 25°C (78°F), while October sees slightly warmer conditions with a minimum of 25°C (77°F) and an average of 27°C (81°F). Notably, October experiences significantly higher rainfall, with 113 mm (4.4 in) over 19 days compared to April's 34 mm (1.3 in) across 11 days. Humidity levels remain similar, hovering around 78% in April and 79% in October, which contributes to the tropical feel in both months. For more detailed weather insights, you can check Gustavia weather in October.

In comparing the weather of April and November, we find some notable differences. April experiences slightly cooler temperatures with an average of 25°C (78°F) and less overall precipitation at 34 mm (1.3 in) over 11 days. In contrast, November boasts a higher average temperature of 27°C (80°F) and significantly more rainfall, totaling 95 mm (3.8 in) across 17 days. Both months maintain high humidity levels, with April at 78% and November at 79%. For more detailed information, you can check Gustavia weather in November.

April and December feature relatively similar temperatures, with December experiencing slightly higher averages, with daily temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F) compared to April's 23°C (74°F) to 27°C (81°F). However, December exhibits higher precipitation levels at 48 mm (1.9 in) over 17 days, while April has 34 mm (1.3 in) spread across 11 days. Both months maintain a consistent humidity of 78%, making for a humid tropical climate year-round. For more details on December weather, check out Gustavia weather in December.

Compare Gustavia's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Gustavia

April in Gustavia brings a delightful transition as temperatures settle in the comfortable range, making it an inviting time for visitors. With a pleasant average of 25°C and a maximum reaching 27°C, the weather strikes the perfect balance between warmth and breeziness. While rainfall is more frequent, with about 11 days experiencing precipitation, the total accumulation remains modest, allowing for ample sunny moments. The humidity hovers around 78%, which is typical for this time of year, but it's the mild days and vibrant atmosphere that set April apart from the wetter months preceding it. For a deeper look at what you can expect throughout the year, check out Gustavia Climate.