Last updated: August 21, 2025
In April, Cayenne, French Guiana experiences a tropical climate characterized by warm temperatures and high humidity. Daily highs reach a maximum of 29°C (85°F), with an average temperature around 26°C (80°F) and nighttime lows dipping to 24°C (75°F). This month sees significant rainfall, totaling approximately 390 mm (15.4 in) over 27 days, creating a lush and vibrant landscape. With an average humidity of 77%, the air feels pleasantly warm, although frequent showers add a refreshing touch to the otherwise sultry atmosphere. Enjoy the tropical allure of Cayenne in April, where the rhythm of rain complements the warmth of the sun.
In April, Cayenne, French Guiana, continues the trend of warm tropical weather with temperatures that remain steadily pleasant. The month starts with a minimum temperature of 24°C (75°F), an average of 26°C (80°F), and peaks at a maximum of 29°C (85°F). This slight dip in the maximum temperature compared to the previous month reflects the transition from March's warmer highs. Overall, April maintains a comfortable climate, making it an ideal time for outdoor adventures amidst the vibrant flora and stunning landscapes of this coastal paradise. As the humidity persists, the consistent warmth invites visitors to indulge in the rich cultural and natural offerings of the region.
In April, Cayenne experiences a significant increase in precipitation, with a remarkable 390 mm (15.4 in) of rain falling over 27 days. This marks a peak in the early wet season, as the city transitions from the milder rains of March to the heavier showers of May, which averages 576 mm (22.7 in). The trend indicates that April serves as a precursor to the intense rainfall ahead, as the number of rainy days rises steadily through the months. This pattern not only underscores the tropical climate of French Guiana but also highlights the dynamic nature of its wet season, where the lush landscape flourishes in response to the abundant moisture.
April in Cayenne, French Guiana, sees an average humidity of 77%, marking a slight dip from the previous months of January through March, which hovered around 76-78%. This lower humidity level is a subtle precursor to the more humid conditions that follow with the arrival of the wet season. As the year progresses into May and June, humidity levels surge significantly, peaking at 87% in June, illustrating the region's transition into its tropical climate. The trend indicates a gradual increase in humidity as the months unfold, underscoring the lush, tropical environment that defines Cayenne's weather patterns.
April in Cayenne, French Guiana, sees a UV Index of 16, maintaining its status in the extreme exposure category. This trend marks a peak period for sun intensity, identical to the previous month of March. With a consistent burn time of just 10 minutes, residents and visitors alike should take extra precautions to safeguard their skin from the sun's harmful rays. Following April, the UV Index will slightly dip, fluctuating between 14 in May and 12 in June, before stabilizing in the lower extremes in subsequent months. Emphasizing the importance of sun protection, especially during these high-index times, is crucial for enjoying the beautiful tropical climate safely. For more detailed information, visit Cayenne UV Index.
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April in Cayenne, French Guiana, brings a delightful mix of sunshine, with the month basking in 275 hours of glorious daylight. This figure follows a remarkable trend from the bustling month of March, which enjoyed an impressive 312 hours of sun, yet still shines brighter than both May and June. As the year progresses, the sun-loving residents of Cayenne witness a steady increase in sunshine, peaking in the mid-year months with July and August boasting the highest hours at 331 and 346, respectively. This vibrant pattern showcases not just the warmth of the tropical climate, but also the rhythm of life in this bustling coastal gem, where each month dances between bright rays and the lushness of the surrounding nature.
In Cayenne, French Guiana, the likelihood of sunny weather experiences a notable decline in April, with only an 11% chance of sunshine. This drop contrasts sharply with the preceding months, where the sun shines a bit more often, peaking in the mid-year with 23% to 24% in June and July. As the months progress into the drier climate of late summer and early fall, the chances of sunshine significantly rise, ultimately reaching a robust 41% in August and 45% in September. This trend highlights April as a transitional month, setting the stage for the sunnier, drier days that follow, making it less ideal for sun-seekers who might want to plan their visit for later in the year.
In Cayenne, French Guiana, the daylight duration reveals an intriguing pattern throughout the year. April marks a continuation of the trend established in March, with the sun gracing the sky for 12 hours each day. This consistent length of daylight extends through May, June, July, and August, creating a harmonious balance of light that enhances the tropical ambiance. As the year transitions into September, the daylight remains steady at 12 hours before slowly shifting back to 11 hours in October, November, and December. This rhythmic cycle underscores Cayenne's unique equatorial climate, where daylight stays plentiful in the heart of the year, contributing to the region's vibrant natural beauty.
April in Cayenne, French Guiana brings a gentle breeze, with an average wind speed of 4.4 m/s (10 mph), reflecting a gradual decline from the brisker months of January through March. This slight dip in wind activity signals the transition towards the calmer weather of late spring and early summer, as April's winds are notably softer than the heights of February’s 6.0 m/s (14 mph). As the year progresses, wind speeds continue to ease, with May following closely at 4.1 m/s (9 mph), suggesting a trend of decreasing gusts leading into the warmer months. This shift fosters a tranquil atmosphere, perfect for enjoying the lush landscapes and vibrant culture that Cayenne has to offer.
Weather in Cayenne varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Cayenne, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and April, both months maintain a similar temperature range, with January showing a minimum of 23°C (74°F) and a maximum of 29°C (84°F), while April slightly increases with a minimum of 24°C (75°F) and a maximum of 29°C (85°F). However, April experiences significantly higher precipitation, totaling 390 mm (15.4 in) spread over 27 days, compared to January’s 225 mm (8.9 in) over just 23 days. This results in a much more humid environment in April, with humidity at 77%, slightly up from January’s 78%. For more detailed insights into January's climate specifics, check out Cayenne weather in January.
In comparing the weather of April and February, we observe that both months maintain similar temperature ranges, with April experiencing slightly higher maximum temperatures averaging 29°C (85°F) compared to February's 28°C (83°F). However, April is significantly wetter, with precipitation reaching 390 mm (15.4 in) over 27 days, while February sees only 189 mm (7.5 in) across 24 days. The humidity levels are comparable, with April at 77% and February slightly lower at 76%. For more detailed information on February weather, visit Cayenne weather in February.
In comparing the weather between March and April, both months exhibit similar temperature patterns, with minimum and average temperatures remaining consistent at 24°C (75°F) and 26°C (80°F), respectively. However, April experiences slightly lower maximum temperatures, averaging 29°C (85°F) compared to March's high of 30°C (86°F). Precipitation also significantly increases in April, amounting to 390 mm (15.4 in) over 27 days, while March sees only 196 mm (7.7 in) over 25 days. Humidity levels remain relatively stable, with April at 77% and March slightly lower at 76%. For a detailed look at March weather, you can check Cayenne weather in March.
In comparing the weather of April and May, both months share similar temperature ranges, with April having a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 29°C (85°F), while May slightly increases to a maximum of 30°C (86°F). However, May is characterized by significantly higher precipitation, totaling 576 mm (22.7 in) over 30 days, compared to April's 390 mm (15.4 in) over 27 days. Both months experience high humidity levels, with April at 77% and May slightly higher at 78%. This makes May notably wetter, which may impact outdoor plans. For a comprehensive look at weather conditions, check out Cayenne weather in May.
When comparing the weather in April and June, both months showcase tropical warmth, with average temperatures hovering around 26°C (79°F). April experiences slightly warmer highs, peaking at 29°C (85°F), whereas June reaches a maximum of 30°C (86°F). However, June has a higher precipitation rate, totaling 433 mm (17.1 in) over 29 days, compared to April's 390 mm (15.4 in) spread over 27 days. Additionally, June is marked by increased humidity at 87%, compared to April’s 77%. For more detailed information about June weather, you can visit Cayenne weather in June.
April and July share similar temperature ranges, with both months experiencing a minimum of 24°C (75°F) and an average of 26°C (80°F). However, July tends to be slightly warmer, reaching a maximum of 30°C (87°F) compared to 29°C (85°F) in April. Precipitation decreases in July, with 269 mm (10.6 in) of rain over 29 days, while April sees a significantly higher rainfall of 390 mm (15.4 in) over 27 days. Additionally, July has a slightly higher humidity level at 81% compared to April's 77%. To learn more about the specific weather conditions of July, visit Cayenne weather in July.
When comparing the weather in April and August, we see notable differences in temperature and precipitation patterns. In April, temperatures range from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average of 26°C (80°F). This month experiences significant rainfall, totaling 390 mm (15.4 in) over 27 days, and maintaining a humidity level of 77%. In contrast, August presents slightly warmer average temperatures, peaking at 32°C (89°F) and showing a minimum of 24°C (75°F), with an average temperature of 27°C (81°F). Notably, August has much less rainfall, with only 92 mm (3.6 in) over 18 days and a modest increase in humidity to 80%. For more detailed insights, you can refer to Cayenne weather in August.
April and September exhibit warm temperatures, with both months having a minimum temperature around 24°C (75°F). However, September tends to be slightly warmer with an average of 28°C (82°F) compared to April's average of 26°C (80°F). The stark difference lies in precipitation; April experiences significantly higher rainfall at 390 mm (15.4 in) over 27 days, while September sees much less, with only 56 mm (2.2 in) over just 12 days. Additionally, humidity levels remain similar, with April at 77% and September slightly higher at 79%. For more details, check out Cayenne weather in September.
April and October exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average temperature of 26°C (80°F). This month is characterized by high humidity at 77% and significant rainfall, receiving 390 mm (15.4 in) over 27 days. In contrast, October is slightly warmer, with minimum temperatures at 25°C (77°F) and maximums reaching 32°C (90°F), resulting in an average temperature of 28°C (82°F). The precipitation in October is much lower, totaling 59 mm (2.3 in) over 16 days, and the humidity increases to 80%. For more detailed information, you can check out Cayenne weather in October.
In comparing the weather of April and November, both months exhibit relatively warm temperatures, with April experiencing a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 29°C (85°F). November, on the other hand, has slightly higher averages, with a minimum of 24°C (76°F), average of 27°C (81°F), and a maximum of 31°C (88°F). Precipitation levels in April are significantly higher, totaling 390 mm (15.4 in) over 27 days, compared to November's 204 mm (8.0 in) across 24 days. Additionally, humidity levels are higher in November at 85%, compared to 77% in April. For more detailed information, you can check Cayenne weather in November.
When comparing the weather in April and December, both months share similar temperature ranges, with minima around 24°C (75°F) and average temperatures close to 26°C (79°F). However, December typically sees slightly higher maximum temperatures, averaging 30°C (86°F) compared to April's 29°C (85°F). Precipitation levels are also notable; April experiences 390 mm (15.4 in) over 27 days, while December has a bit less at 349 mm (13.7 in) across 29 days, contributing to the increased humidity in December, which reaches 84% compared to April’s 77%. For more details, you can check Cayenne weather in December.
As April arrives in Cayenne, the weather showcases a unique blend of warmth and humidity that sets it apart from other months. With temperatures peaking at a comfortable 29°C (85°F) and an average hovering around 26°C (80°F), residents and visitors alike can enjoy the balmy tropical atmosphere. However, the month is marked by significant rainfall, with nearly every day experiencing some precipitation, totaling a hefty 390 mm (15.4 in). This combination of warmth and moisture creates a lush environment, but also demands adaptability to the frequent showers. For those looking to understand how Cayenne's weather evolves throughout the year, further information can be found at Cayenne Climate.