Last updated: August 21, 2025
In August, Kourou, French Guiana, offers a warm tropical climate with a maximum temperature reaching up to 31°C (88°F) and an average temperature of 27°C (81°F), making it a comfortable destination for visitors. However, the minimum temperature dips to 23°C (74°F) during the cooler nights. This month experiences significant rainfall, with a total of 114 mm (4.5 in) spread across 21 days, resulting in a humid environment with an average humidity level of 65%. Travelers should be prepared for occasional showers while enjoying Kourou's lush landscapes and vibrant biodiversity.
In Kourou, French Guiana, the temperatures in August reflect a warm and tropical climate, with a minimum of 23°C (74°F) and a maximum that peaks at 31°C (88°F). The average temperature climbs slightly to 27°C (81°F), marking a subtle increase from the preceding months. This month typically maintains the consistent warmth seen throughout the year, with only minor fluctuations in daily temperatures. As summer transitions into the rainy season, the enduring heat of August can be felt during the day, making it an ideal time for enjoying the lush surroundings, despite occasional tropical showers that can refresh the atmosphere. Overall, August embodies the charm of this equatorial region, where warmth and humidity are constants, inviting exploration and outdoor adventures.
In August, Kourou, French Guiana, experiences a noticeable dip in precipitation, with only 114 mm (4.5 inches) of rain, making it one of the driest months of the year. This decline follows a dramatic peak in May, where rainfall soars to 541 mm (21.3 inches), reflecting the rainy season's intensity. Notably, August sees 21 days of rain, fewer than the earlier summer months, suggesting a gradual shift toward drier conditions as the region transitions into September and October. This pattern highlights a characteristic tropical climate, where heavy rains dominate the early months, tapering off as the year progresses, paving the way for milder weather ahead.
In Kourou, French Guiana, the month of August showcases a notable drop in humidity, measuring at 65%, the lowest in the year. This decline continues a trend observed during the late spring and summer months, where humidity levels peaked in June at a steamy 86% before gradually tapering off. Following a slight uptick to 76% in July, August's lower humidity offers a brief respite from the otherwise humid conditions characteristic of this tropical region. As the year progresses into the drier months of September and October, where humidity averages further decreases to 62% and 63% respectively, one can clearly observe a shift toward a more comfortable climate, culminating in a year-round humidity pattern that tends to oscillate between 62% and 86%, providing an interesting microclimate for residents and visitors alike.
In August, Kourou, French Guiana maintains its reputation for intense sunlight with a UV Index of 13, categorized as extreme. This level of UV radiation, consistent with the previous months, indicates a burn time of just 10 minutes, emphasizing the necessity for sun protection. Notably, while the index slightly dips from the peak of 16 recorded in March and April, it remains high, aligning closely with the values observed throughout the year. As such, residents and visitors should remain vigilant against sun exposure, particularly during these months, to safeguard their skin. For more insights on managing sun exposure, check the detailed Kourou UV Index.
UV Risk Categories
In August, Kourou, French Guiana, basks in an impressive 340 hours of sunshine, marking it as one of the sunniest months of the year. This radiant peak follows a gradual build-up from the relatively lower sunshine hours in the earlier months, with July already showcasing a notable 315 hours. As summer transitions into early fall, there’s a remarkable consistency in the sunshine, with September and October also delivering abundant light, with 334 and 339 hours respectively. This pattern emphasizes a lingering tropical warmth, creating a vibrant atmosphere as the region enjoys more daylight, while the trend hints at the enticing allure of Kourou's sunny spell, drawing both locals and visitors to bask in the beauty of its skies.
In Kourou, French Guiana, the month of August stands out as a beacon of sunshine, boasting a 36% chance of clear skies. This marks a notable increase compared to the preceding months, with sunny likelihoods peaking as summer transitions into early fall. As we observe the data trends, the chances of sun significantly rise from 23% in July to August's more favorable forecast, further elevating into September with 42%. This pattern illustrates that while the rainy season imposes its grip earlier in the year, August offers a refreshing respite, paving the way for outdoor activities and relaxation under the tropical sun.
In Kourou, French Guiana, the daylight duration showcases a remarkable consistency throughout the year, primarily fluctuating between 11 and 12 hours. As the year progresses into August, the daylight extends to a steady 12 hours, mirroring the previous months of April through July. This equilibrium in daylight hours remains unchanged until the transition into the latter months, where a gradual decrease to 11 hours occurs in October. The relatively stable daylight pattern underscores Kourou's tropical climate, where the sun's journey remains a reliable companion, allowing for ample opportunities to explore the dazzling natural beauty of the region.
In August, Kourou, French Guiana experiences a gentle breeze with an average wind speed of 3.1 m/s (7 mph), slightly higher than the previous months of July and June, which see the calmest winds of the year. This mild wind pattern underscores a noticeable seasonal shift, as winds begin to pick up ever so slightly in anticipation of the approaching peak winds typical in the later months. After the gradual decline from January's brisk 5.0 m/s (11 mph), August offers a refreshing, albeit modest, respite as the region transitions toward the breezier conditions of October and November. Enjoying a peaceful atmosphere, August is a time to embrace the soft winds that grace Kourou, creating an inviting ambiance for outdoor exploration and relaxation.
Weather in Kourou varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Kourou, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January in Kourou exhibit warm temperatures with some notable differences. In August, temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), while January has a slightly lower temperature range, with a minimum of 23°C (74°F) and a maximum of 29°C (85°F). Both months experience high humidity levels, with August at 65% and January slightly higher at 70%. However, January is significantly wetter, receiving 202 mm (8.0 in) of precipitation over 23 days, compared to August's 114 mm (4.5 in) over 21 days. For more detailed information, you can check Kourou weather in January.
August and February present relatively similar temperatures, with August having a slightly higher average of 27°C (81°F) compared to February's average of 26°C (79°F). However, February experiences more precipitation, totaling 172 mm (6.8 in) over 23 days, compared to August's 114 mm (4.5 in) across 21 days. Humidity levels remain comparable, with August at 65% and February at 66%, indicating a consistently humid climate throughout both months. For more specific details about February weather conditions, you can refer to Kourou weather in February.
When comparing the weather in August and March, we see that both months feature warm temperatures, but with some distinctions. August has a slightly lower average temperature, with a range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), while March is a bit warmer, with temperatures ranging from 24°C (75°F) to 29°C (85°F). In terms of precipitation, March experiences significantly more rainfall, totaling 191 mm (7.5 in) across 25 days, compared to August, which sees 114 mm (4.5 in) of rain over 21 days. Both months maintain high humidity levels, with August at 65% and March marginally higher at 66%. For a detailed look at March weather, you can check out Kourou weather in March.
In comparing the weather conditions between August and April, we observe some notable differences. While both months start with similar minimum temperatures, April overall tends to be slightly cooler, with an average of 26°C (79°F) compared to August's 27°C (81°F). However, April experiences significantly higher precipitation, with 375 mm (14.8 in) falling over 28 days, making it a much wetter month than August, which receives only 114 mm (4.5 in) over 21 days. Both months have high humidity levels, with August at 65% and April at 66%, providing a generally humid climate year-round. For more detailed insights about April weather, you can check Kourou weather in April.
When comparing the weather in August and May, we find some notable differences. August typically experiences slightly lower average temperatures, with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), while May has a minimum of 24°C (75°F) and a maximum of 30°C (86°F). However, May is significantly wetter, receiving an impressive 541 mm (21.3 in) of precipitation over 30 days, compared to August's 114 mm (4.5 in) across 21 days. The humidity levels are relatively similar, with August at 65% and May at 68%. For a more detailed look at the conditions in May, you can check out Kourou weather in May.
When comparing the weather in August and June, several notable differences emerge. August tends to be slightly warmer, with average temperatures around 27°C (81°F) and maximums reaching 31°C (88°F), compared to June's average of 26°C (79°F) and maximums of 30°C (87°F). However, June experiences significantly higher precipitation, with 448 mm (17.6 in) of rainfall over 30 days, contrasted with August's 114 mm (4.5 in) over 21 days. This difference in rainfall correlates with humidity levels as well, as June has a higher humidity of 86% compared to August's 65%. For more detailed insights on June weather, you can visit Kourou weather in June.
When comparing the weather in August and July, both months show similar temperature ranges, with daily averages hovering around 27°C (81°F) in August and slightly lower at 26°C (79°F) in July. However, August experiences significantly less precipitation at 114 mm (4.5 in) over 21 days, compared to July’s 259 mm (10.2 in) across 29 days. Additionally, humidity levels in August are lower at 65% compared to July’s more humid 76%. For a closer look at July weather specifics, you can visit Kourou weather in July.
August and September exhibit similar temperature ranges, with both months featuring an average temperature of 27°C (81°F) and maximums reaching 31°C (88°F). However, August is slightly cooler at night, with a minimum temperature of 23°C (74°F), compared to September's 24°C (75°F). Precipitation decreases from 114 mm (4.5 in) in August to 92 mm (3.6 in) in September, and the number of rainy days also drops from 21 to 16, indicating a more stable weather pattern in September. Additionally, humidity slightly lessens in September at 62%, compared to 65% in August. For more insights, you can check Kourou weather in September.
In August, temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). The month typically sees a higher precipitation level of 114 mm (4.5 in) spread across 21 days, resulting in a humidity of 65%. In contrast, October maintains a similar temperature profile, with minimal fluctuation: the minimum remains at 24°C (76°F), the average stays at 27°C (81°F), and the maximum peaks at 31°C (88°F). However, October is characterized by significantly less precipitation at 69 mm (2.7 in) over 18 days and a slight drop in humidity to 63%. This makes October a drier option compared to August while still enjoying warm temperatures. For more details, you can refer to Kourou weather in October.
In August, the weather typically features a minimum temperature of 23°C (74°F) and averages around 27°C (81°F), reaching a maximum of 31°C (88°F). This month experiences 114 mm (4.5 in) of precipitation over 21 days, coupled with a humidity level of 65%. In contrast, November sees slight variations, with a minimum temperature of 24°C (76°F) and the same average and maximum temperatures as August. However, it brings significantly more rain, totaling 212 mm (8.3 in) over 25 days, and higher humidity at 74%. For more details, you can check Kourou weather in November.
In August, Kourou experiences warm temperatures with a minimum of 23°C (74°F) and an average high of 31°C (88°F). The humidity is moderate at 65%, and the region receives about 114 mm (4.5 in) of precipitation over 21 days, indicating a relatively wet month.
In contrast, December sees slightly cooler temperatures, with an average high of 29°C (85°F) and increased humidity at 79%. During this month, rainfall intensifies significantly, accumulating to 322 mm (12.7 in) across 30 days, making it one of the wetter months of the year. For more detailed insights, you can check Kourou weather in December.
August in Kourou presents a warm embrace characterized by consistent temperatures and significant precipitation. With an average temperature hovering around a comfortable 27°C, the heat is balanced by humidity levels at 65%, making the atmosphere feel lively yet refreshing. However, August stands out with its frequent rain, as the region experiences precipitation on nearly two-thirds of the month, contributing to a lush, green landscape. This wetter climate differentiates August from the drier months, offering a unique charm for those visiting. To learn more about the nuances of weather in Kourou, check out Kourou Climate.