March Weather in Kourou, French Guiana

Last updated: August 21, 2025

In March, Kourou, French Guiana experiences a warm tropical climate characterized by an average temperature of 26°C (79°F), with daily highs reaching up to 29°C (85°F) and lows around 24°C (75°F). The month sees significant rainfall, accumulating to 191 mm (7.5 in) across 25 days, contributing to a high humidity level of 66%. This combination of warmth and moisture creates a lush environment, making March a noteworthy time for both nature enthusiasts and those seeking to explore the vibrant landscapes of Kourou.

March Temperature in Kourou

In March in Kourou, French Guiana, temperatures remain consistently warm, with minimums around 24°C (75°F) and maximums peaking at 29°C (85°F). The average temperature holds steady at a tropical 26°C (79°F), similar to preceding months. This slight uptick in early March low temperatures suggests a gradual transition into the warmer months ahead. Overall, the climate continues to embody Kourou's distinct tropical characteristics, making it a lush destination for those seeking warmth and vibrant outdoor experiences during this time of year.

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

The chart illustrates March temperature patterns in Kourou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kourou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec797979797979798181818079
Data source: Temperature data for Kourou 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 Kourou

In March, Kourou, French Guiana experiences a notable transition in its precipitation pattern, with a rainfall of 191 mm (7.5 in) spread over 25 days. This amount marks a slight decrease from the heavier downpours of January and February but hints at the forthcoming wet season as April brings a dramatic surge in precipitation to 375 mm (14.8 in). The trend towards increased rainfall continues through the following months, with May peaking at 541 mm (21.3 in), showcasing the region’s lush, tropical climate. March's wet days set the stage for the persistent precipitation that defines the later spring months, as the cycle of wet and dry gradually unfolds.

March Precipitation Trends in Kourou

The chart displays monthly precipitation patterns in Kourou, 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 Kourou, March typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2021721913755414482591159269212322
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Kourou

March in Kourou, French Guiana maintains a steady humidity level of 66%, consistent with the previous month and reflecting a trend observed since January. This period marks the tail end of the drier months, with February also recording a similar humidity, allowing the region to enjoy comfortably mild conditions before the more intense humidity spikes that arrive in the summer months. As the year progresses into June, humidity levels notably rise to a substantial 86%, signaling the transition into a distinctly more tropical climate. Thus, March serves as a bridging point, where the air remains refreshingly balanced before the humidity increasingly envelops Kourou in the following months.

March Average Humidity in Kourou

This chart illustrates the average monthly humidity levels in Kourou, 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 Kourou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%66%66%66%68%86%76%65%62%63%74%79%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Kourou

In March, Kourou, French Guiana, experiences an intense UV Index of 16, marking a continuation of the extreme exposure category that has characterized the first few months of the year. Following January's UV Index of 13 and February's 14, March stands out as the peak month for ultraviolet radiation, where a mere 10-minute exposure can lead to skin damage without adequate protection. This trend persists into April, maintaining that high UV level, demonstrating the region's consistently harsh sun conditions as the dry season progresses. As spring approaches, awareness of sun safety becomes increasingly vital for residents and visitors alike. For further details on UV levels throughout the year, check out the comprehensive guide at Kourou UV Index.

Maximum UV Index Levels in Kourou for March

The chart shows the monthly maximum UV Index (UVI) for Kourou 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 Kourou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131416161413121313131312
Data source: Kourou 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 Kourou

March shines particularly bright in Kourou, French Guiana, boasting 301 hours of glorious sunshine — a remarkable leap from January and February. This month marks the start of a radiant stretch, setting the stage for even sunnier days ahead. As spring unfolds, the intensity of sunlight peaks with July and August leading the pack, recording 315 and 340 hours respectively. March serves as a significant turning point, signaling a trend where daylight stretches longer, culminating in a spectacular showcase of 340 hours in the height of summer. This gradual increase not only elevates the spirits of the locals but also paves the way for vibrant outdoor activities as nature comes alive under the sun’s warm embrace.

Monthly Sunshine Duration in Kourou: March Highlighted

The March sunshine duration represents the total number of hours Kourou 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.
JanFebMarAprMayJunJulAugSepOctNovDec235h243h301h258h232h259h315h340h334h339h289h268h
Data source: Kourou March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kourou During March

In Kourou, French Guiana, March marks a notable shift in the likelihood of sunny weather, with a 20% chance of sunshine that month. This improvement signals a gradual transition from the more overcast conditions typically seen in the earlier months, January and February, which hover around 19% and 18% respectively. Following March, the chances of clear skies significantly dip in April and May, reaching lows of 11% and 10%. Interestingly, as the seasons progress, sunny weather anticipation increases again in the latter half of the year, particularly from June onwards, culminating in the sunniest months of August and September, with chances soaring up to 36% and 42%. This seasonal fluctuation highlights how Kourou's weather patterns evolve, making March a somewhat optimistic time for those seeking sunshine.

Percentage of Sunny Days in March in Kourou

The chart illustrates the percentage of sunny days in Kourou 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 Kourou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%18%20%11%10%22%23%37%42%30%17%8%
Data source: Kourou March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kourou in March

In Kourou, French Guiana, March marks a notable shift in daylight duration, as it welcomes an increase to 12 hours of daylight, reflecting the transition into the lighter months. This enhancement in daylight sets the stage for a consistent 12-hour cycle that continues through April, May, June, July, and August, offering residents and visitors alike ample time to enjoy the lush, vibrant landscapes. Following this period of extended daylight, the hours gradually revert to 11 hours in October, November, and December, leading back into the shorter days of the year. This rhythmic cycle of daylight emphasizes the tropical climate's stability, providing a predictable pattern that enhances the natural beauty and outdoor experiences in Kourou.

Average Daylight Hours in Kourou for March

The chart illustrates the variation in daylight duration in Kourou throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 50m11h 56m12h 4m12h 13m12h 20m12h 23m12h 22m12h 15m12h 7m11h 59m11h 52m11h 49m
Data source: Kourou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Kourou

In March, Kourou experiences a subtle shift in its wind patterns, with an average wind speed of 4.9 m/s (11 mph). This marks a slight decrease from the previous month, February’s average of 5.9 m/s (13 mph), yet remains stronger than the lighter winds that follow in April. Overall, the trend shows a consistent decline in wind speeds as the year progresses, with the calmest months typically occurring from June to July. This gradual tapering not only impacts local weather conditions but also shapes the vibrant atmosphere of Kourou, making March a transitional month where breezes soften, promising the stillness of the impending dry season.

Average March Wind Speed in Kourou

The chart displays monthly wind speed patterns in Kourou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.05.94.9 m/s4.34.13.02.73.13.03.63.64.2
Data source: Kourou March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Kourou Compares to Other Months

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

March and January present quite similar weather patterns, with only slight variations. Both months have a minimum temperature of around 23-24°C (74-75°F), an average of 26°C (79°F), and a maximum temperature reaching 29°C (85°F). However, March typically experiences slightly less precipitation, totaling 191 mm (7.5 in) over 25 days, compared to January's 202 mm (8.0 in) over 23 days. Additionally, the humidity in January is marginally higher at 70%, while March has an average humidity of 66%. For more detailed information on January weather, you can check Kourou weather in January.

In comparing the weather between March and February, both months exhibit similar temperature ranges, with February having a slightly cooler maximum temperature of 29°C (84°F) compared to March's peak of 29°C (85°F). The average temperature remains consistent at 26°C (79°F) for both months. However, March sees an increase in rainfall, with 191 mm (7.5 in) of precipitation over 25 days, compared to February’s 172 mm (6.8 in) over 23 days. Despite the differences in precipitation, the humidity stays constant at 66% for both months. For further insights into February's weather patterns, you can refer to this link: Kourou weather in February.

In March, the weather features temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). The month experiences significant rainfall, totaling 191 mm (7.5 in) across 25 days, while maintaining a humidity level of 66%.

In contrast, April sees a slight decrease in minimum temperature to 23°C (74°F) while maintaining the same average and maximum temperatures as March. However, April is considerably wetter, with precipitation rising to 375 mm (14.8 in) over 28 days, yet the humidity remains consistent at 66%. For more details on April's weather, you can visit Kourou weather in April.

In March, the weather features temperatures ranging from a minimum of 24°C (75°F) to a maximum of 29°C (85°F) with an average of 26°C (79°F). This month sees significant precipitation, totaling 191 mm (7.5 in) over 25 days, and the humidity is around 66%. In contrast, May experiences slightly warmer temperatures, with a maximum of 30°C (86°F), while maintaining the same minimum and average temperatures as March. However, it also shows a dramatic increase in precipitation to 541 mm (21.3 in) over 30 days, along with a marginal rise in humidity to 68%. For a more detailed overview of the weather conditions in May, you can refer to Kourou weather in May.

In March, temperatures in Kourou range from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average temperature of 26°C (79°F). The month experiences significant rainfall, totaling 191 mm (7.5 inches) over 25 days, accompanied by a humidity level of 66%. In contrast, June features a similar temperature range, with a minimum of 23°C (74°F) and a maximum of 30°C (87°F), maintaining the same average of 26°C (79°F). However, June is notably wetter, with precipitation reaching 448 mm (17.6 inches) over 30 days and humidity rising to 86%. For a more detailed look at June weather, visit Kourou weather in June.

In March, the weather features warm temperatures with a minimum of 24°C (75°F), averaging around 26°C (79°F), and reaching a maximum of 29°C (85°F). However, this month also sees considerable precipitation, totaling 191 mm (7.5 in) over 25 days, paired with a humidity level of 66%. In contrast, July brings slightly cooler minimum temperatures at 23°C (73°F) and a higher maximum of 31°C (88°F), along with increased rainfall of 259 mm (10.2 in) over 29 days and elevated humidity at 76%. These differences highlight the transition from the relatively drier and less humid conditions of March to the wetter and more humid climate of July. For more detailed information about July weather, you can visit Kourou weather in July.

In March, temperatures are slightly warmer, with a minimum of 24°C (75°F) and a maximum of 29°C (85°F), while August sees a minimum of 23°C (74°F) and a maximum of 31°C (88°F). The average temperature in March is 26°C (79°F), compared to August's average of 27°C (81°F). Notably, March experiences higher precipitation with 191 mm (7.5 in) across 25 days, whereas August has only 114 mm (4.5 in) over 21 days, making August generally drier. Humidity levels are quite similar, at 66% in March and 65% in August, reflecting the tropical climate of the region. For more detailed information, you can visit Kourou weather in August.

March and September in Kourou exhibit noteworthy differences in weather patterns. In March, temperatures range from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). This month is characterized by significant rainfall, with 191 mm (7.5 in) of precipitation spread over 25 days, contributing to a humidity level of 66%. Conversely, September sees a slight increase in average temperature, peaking at 31°C (88°F) while maintaining a minimum of 24°C (75°F) and averaging 27°C (81°F). Precipitation is considerably reduced to 92 mm (3.6 in) over 16 days, and humidity decreases slightly to 62%. For a closer look at the specifics of September's climate, you can visit Kourou weather in September.

March and October exhibit some similarities in temperature, with both months featuring a minimum temperature around 24°C (75°F) and an average hovering between 26°C (79°F) and 27°C (81°F). However, October tends to be slightly warmer, with a maximum temperature reaching 31°C (88°F), compared to March's maximum of 29°C (85°F). Precipitation levels also differ significantly; March experiences much heavier rainfall at 191 mm (7.5 in) over 25 days, whereas October sees a marked decrease in precipitation to 69 mm (2.7 in) spread over 18 days. Humidity levels are relatively similar, with March at 66% and October slightly lower at 63%. For more detailed information, you can check Kourou weather in October.

March and November share similar minimum temperatures, both averaging around 24°C (75°F to 76°F). However, November typically sees a higher average temperature of 27°C (80°F), peaking at a maximum of 31°C (87°F), while March has an average of 26°C (79°F) with a slightly lower maximum of 29°C (85°F). In terms of precipitation, November is a bit wetter, with 212 mm (8.3 in) of rain compared to March's 191 mm (7.5 in), both months experiencing rainfall on approximately 25 days. Additionally, November tends to be more humid, reaching 74% compared to March's 66%. For more detailed information, check out Kourou weather in November.

In comparing the weather of March and December, both months share similar temperature ranges, with minimums of 24°C (75°F), average temperatures of 26°C (79°F), and maximums reaching 29°C (85°F). However, December experiences significantly heavier rainfall, with 322 mm (12.7 in) over 30 days compared to March's 191 mm (7.5 in) over 25 days. This increased precipitation in December is accompanied by higher humidity levels, averaging 79%, compared to 66% in March. For a detailed look at December's weather patterns, you can visit Kourou weather in December.

Compare Kourou's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Kourou

March in Kourou brings a warm embrace with average temperatures hovering comfortably around 26°C (79°F). Compared to other months, March experiences a notable increase in precipitation, with 25 rainy days contributing to a 191 mm total, creating a lush, vibrant environment. This month tends to be more humid, with levels around 66%, adding a tropical feel to the air. As such, visitors and locals alike should anticipate a mix of sunshine and showers, making March a quintessential snapshot of Kourou's dynamic climate. For a deeper dive into the region's weather patterns, check out the detailed insights at Kourou Climate.