Last updated: January 18, 2025
The climate of Barima-Waini, Guyana, is classified as Af under the Köppen-Geiger system, indicative of a tropical rainforest climate characterized by high humidity and consistent precipitation throughout the year. Temperatures exhibit a narrow range, with a minimum of 22°C (71°F) in January and an average of 26°C (80°F), peaking at a maximum of 33°C (92°F) in September. This climate promotes lush vegetation and a diverse ecosystem, making Barima-Waini a vital region for tropical biodiversity.
In Barima-Waini, Guyana, temperature patterns showcase a relatively stable and warm tropical climate throughout the year, with only minor fluctuations. Minimum temperatures remain consistently warm, ranging from 22°C (71°F) to 23°C (74°F), while average monthly temperatures gradually rise from 25°C (78°F) in January and February to a peak average of 27°C (81°F) from May to October. The maximum temperatures exhibit a slight increase, reaching 33°C (91°F) in August and September, before tapering off slightly toward the end of the year. This seasonal trend reflects a typical humid tropical climate, where warmth is a consistent feature, punctuated by a slight increase in temperature during the mid-year months.
Mabaruma experiences a tropical climate with monthly temperatures ranging from a minimum of 22°C (71°F) in January to a maximum of 33°C (92°F) in September. For more detailed insights into the climate patterns, you can visit monthly temperatures in Mabaruma.
Barima-Waini, Guyana, experiences distinct precipitation patterns that are integral to its tropical rainforest climate. The region records varying rainfall throughout the year, with significant peaks during the mid-year months. January sees a moderate precipitation level of 115 mm (4.5 in), which decreases to 68 mm (2.7 in) in February. However, rainfall dramatically intensifies from May onward, culminating in the wettest months of June and July, where rainfall reaches 310 mm (12.2 in) and 255 mm (10.1 in), respectively. Notably, May marks the transition into this rainy season, with 183 mm (7.2 in) of rainfall.
In terms of rainy days, Barima-Waini averages around 21 to 22 days of rain per month during the drier months of January through April. This increases sharply in May to 28 days, aligning with the onset of the rainy season, which continues through July and August with 31 days of rain. The subsequent months, September through December, maintain high precipitation levels, averaging between 176 mm (6.9 in) and 235 mm (9.3 in), with rain occurring on 25 to 28 days monthly. These rainfall patterns play a crucial role in sustaining the region's lush biodiversity and ecological balance.
In Barima-Waini, Guyana, sunshine duration displays an encouraging upward trend during the first half of the year, peaking in March with an impressive 338 hours of sunlight. This sunny period transitions smoothly from January's 264 hours to a high of 330 hours in April, creating a climate ripe for outdoor activities and agriculture. The months of May and July maintain elevated levels of sunshine, each providing over 320 hours, which reinforces the region's reputation for bright and vibrant weather as it typifies the late dry season leading into the rainy season.
As the year progresses, sunshine hours exhibit some fluctuation, particularly in the mid-year months. After the peak in March and a slight decline in June with 285 hours, the sunshine picks up again in July and August, stabilizing at 327 and 338 hours, respectively. Interestingly, the latter months of the year, including September through December, continue to provide robust sunshine, averaging around 300 hours per month. This consistent availability of sunlight, even during the rainy season, is essential for sustaining the diverse ecosystems and agricultural practices that thrive in Barima-Waini.
The UV Index in Barima-Waini, Guyana, showcases consistently extreme levels throughout the year, reflecting the region's proximity to the equator. Starting the year, January sees a UV Index of 12, increasing to a peak of 15 in both March and April. This trend emphasizes the need for sun protection, as even short exposure times of merely 10 minutes could lead to skin damage. February maintains a high value of 13, indicating that precautions should be taken during outdoor activities, especially in the first quarter of the year when sun intensity is at its highest.
As the year progresses into the late months, the UV Index remains elevated, ranging from 11 to 14, with October registering a UV Index of 13 and December slightly lower at 11. Despite this slight reduction, the consistent pattern of extreme UV levels highlights ongoing health implications, necessitating protective measures such as wearing sunscreen, hats, and sunglasses year-round. Overall, Barima-Waini's climate demands a proactive approach to sun safety, particularly given its year-long potential for harmful UV exposure.
UV Risk Categories
In Barima-Waini, Guyana, daylight duration is relatively consistent throughout the year, with slight variations that reflect the region's tropical location. The year begins with 11 hours of daylight in both January and February, providing a stable foundation for daily activities. As the equinoxes approach, daylight increases to 12 hours from March through September, creating extended opportunities for outdoor pursuits and agricultural practices. This period of longer days highlights the advantages of living near the equator, where significant shifts in daylight duration are minimal.
As the year transitions into the latter months, daylight duration gradually returns to 11 hours in October, November, and December. This cyclical pattern underscores the stability of sunlight in Barima-Waini, allowing for a year-round rhythm that supports both biodiversity and human activities. The predictability of daylight availability in this region makes it an essential factor for planning agricultural cycles, tourism, and daily life, ensuring that residents can make the most of their environment throughout the year.
Mabaruma, Guyana, experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average monthly temperatures range from 25°C (78°F) in January to 27°C (81°F) from May to October, with maximum highs reaching up to 33°C (91°F) in August and September. Precipitation is highest in June at 310 mm (12.2 in) and generally increases from late April through July. The region enjoys abundant sunshine, peaking at 338 hours in March and August, despite the wettest months often coinciding with cloud cover. For more detailed information, visit Mabaruma climate.
In conclusion, Barima-Waini, Guyana, boasts a unique tropical climate characterized by consistent temperatures, significant rainfall, abundant sunshine, high UV Index values, and stable daylight duration throughout the year. These climatic conditions foster a vibrant ecosystem and contribute to the region's agricultural productivity. However, the extreme UV exposure and high rainfall during certain months necessitate careful consideration for sun safety and flood management. Understanding these climatic dynamics not only enhances the quality of life for residents but also supports sustainable practices that protect the environment and promote the well-being of the community. This knowledge is crucial for embracing the natural advantages of Barima-Waini while mitigating potential challenges arising from its climate.