Last updated: January 18, 2025
The climate of Potaro-Siparuni, Guyana, falls under the Köppen-Geiger classification of Af, indicating a tropical rainforest climate characterized by high humidity and significant rainfall throughout the year. Temperature ranges exhibit a distinct pattern, with minimum temperatures dropping to around 17°C (64°F) in January, while average temperatures hover around 24°C (76°F). The region experiences its warmest conditions in October, where temperatures can rise to a peak of 34°C (94°F), emphasizing the contrast between cooler periods and the heat of the wet season.
In Potaro-Siparuni, Guyana, temperature patterns exhibit a subtle yet noticeable seasonal variation throughout the year. The year begins with cooler temperatures in January, marked by minimums of 17°C (64°F) and slightly increasing daytime highs reaching 31°C (87°F). As the months progress into March and April, average temperatures rise, peaking at 32°C (91°F) in April, while nighttime lows remain relatively stable. The transition into the mid-year, particularly from May to August, introduces warmer nights, with minimums around 21°C (70°F), and consistent maximum temperatures climbing to 34°C (94°F). September and October maintain this warmth, featuring similar high temperatures but averaged in the mid-26°C range, before cooling slightly in November and December. Overall, the climate reflects a tropical pattern characterized by consistent warmth with minor fluctuations, influencing the region's lush biodiversity.
Mahdia experiences a varied climate throughout the year, with temperatures ranging from a minimum of 17°C (64°F) in January to a maximum of 34°C (94°F) in October. For more detailed monthly temperatures in Mahdia, visit monthly temperatures in Mahdia.
Precipitation patterns in Potaro-Siparuni, Guyana, reveal a pronounced wet season, particularly from April through August, when rainfall reaches its peak. April experiences a significant increase in precipitation, with 228 mm (9.0 in), followed by May, which records the highest monthly total at 381 mm (15.0 in). This wet phase persists into June and July, maintaining substantial rainfall levels of 349 mm (13.7 in) and 295 mm (11.6 in), respectively. Throughout these months, the frequency of rainy days also escalates, with May experiencing an impressive 30 rainy days, underscoring the region's characteristic tropical downpours.
Conversely, the latter part of the year witnesses a gradual decline in precipitation. While November sees an increase to 197 mm (7.8 in) over 27 rainy days, December experiences a notable total of 233 mm (9.2 in), which echoes the dampness of preceding months. The transition to the dryer months, such as October, brings a sharp reduction in precipitation, with the minimum recorded at 109 mm (4.3 in) over 22 days. Overall, the distribution of rainfall in Potaro-Siparuni highlights a clear seasonal rhythm, vital for maintaining its rich ecosystems and agricultural practices.
In Potaro-Siparuni, Guyana, sunshine duration exhibits a distinct seasonal pattern, characterized by a gradual increase from January through October. Beginning the year with 235 hours of sunlight in January, the region experiences a steady rise, reaching a peak of 316 hours in October. The months of August and September also showcase remarkable sunshine totals of 308 and 306 hours, respectively, indicating late dry season intensity. This trend underscores a sunny period that contrasts sharply with the earlier months of the year, reflecting a transition towards clearer skies and enhanced solar exposure.
Conversely, the months of May and June display a noticeable dip in sunshine hours, with 222 and 223 hours respectively, aligning with the rainy season when cloud cover intensifies. This reduction in sunlight serves as a reminder of the region’s humidity and precipitation dynamics. As the year progresses into November and December, sunshine hours increase again, though not as prominently as in earlier months, with totals of 276 and 265 hours. Overall, the sunshine data illustrates not only the biophysical rhythm of Potaro-Siparuni but also highlights the vital role of sunlight in shaping the local climate and ecosystem.
The UV Index in Potaro-Siparuni, Guyana, reveals a consistently extreme exposure category throughout the year, reflecting the region's proximity to the equator. Beginning with a UV Index of 13 in January, the values steadily rise, peaking at 16 in both March and April. This trend highlights the intense solar radiation typical of tropical climates, where a short burn time of just 10 minutes is noted for any unprotected skin. Such conditions necessitate heightened awareness and precaution during outdoor activities, particularly in the peak months of February through April when the risk of UV-related skin damage is significantly elevated.
As the year progresses, the UV Index slightly fluctuates but remains predominantly high, averaging between 12 and 15 from July to November. Although values drop slightly in July and beyond, the extreme category persists, emphasizing the need for sun protection year-round. Notably, even months marked by lower UV readings, such as December, maintain a UV Index of 12, indicating that residents and visitors should consistently prioritize sun safety measures. This data serves as a critical reminder of the tropical sun's power in Potaro-Siparuni, urging individuals to remain vigilant against UV radiation at all times.
UV Risk Categories
In Potaro-Siparuni, Guyana, daylight duration exhibits a relatively stable pattern throughout the year, reflective of its equatorial location. From January to February, the average daylight remains at 11 hours, providing a consistent experience of light. However, this slightly increases to 12 hours from March through September, allowing for a longer span of daylight that is particularly beneficial for both agriculture and daily activities. The months of March to September mark an essential period where increased sunlight contributes to the region’s vibrant ecosystems and agricultural productivity.
As the year progresses towards October, November, and December, daylight duration returns to 11 hours, indicating a subtle seasonal fluctuation. This cyclical pattern highlights the minimal variations in day length characteristic of tropical regions. While other climates may experience more dramatic changes with the seasons, Potaro-Siparuni enjoys a relatively constant daylight experience, fostering a unique balance of light and dark that sustains its lush, diverse environment. Overall, the steady daylight availability underscores the region's climate stability, essential for both its biodiversity and human activities.
Mahdia, Guyana experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures range from a minimum of 17°C (64°F) in January to a maximum of 34°C (93°F) in August and September. The wettest months are May and June, with precipitation reaching up to 381 mm (15.0 in) and 349 mm (13.7 in), respectively. Despite the rain, sunshine is abundant, particularly in October with 316 hours of sun. For more detailed information, visit Mahdia climate.
In conclusion, the climate and environmental characteristics of Potaro-Siparuni, Guyana, reflect a tropical ecosystem profoundly influenced by its geographical positioning and seasonal variations. With consistent warmth, significant rainfall, and stable daylight duration, the region supports a rich biodiversity and vibrant agriculture. The extreme UV Index underscores the need for ongoing awareness and sun protection, particularly during months of intense solar exposure. Together, these climatic elements contribute to the unique environmental tapestry of Potaro-Siparuni, highlighting the balance between sunlight, rainfall, and temperature that defines this remarkable region.