Last updated: August 21, 2025
In December, Saint George's, Grenada, experiences a pleasant tropical climate, with average temperatures hovering around 27°C (80°F). Daily maximums can reach 28°C (83°F), while nighttime lows dip to a comfortable 24°C (75°F). The month is characterized by high humidity levels at 80%, contributing to a warm, but somewhat muggy atmosphere. Rainfall is common, with approximately 82 mm (3.2 in) spread over 21 days, making it essential for visitors to be prepared for occasional showers. This combination of warmth and moisture sets the stage for lush landscapes and vibrant island life during the festive holiday season.
As December unfolds in Saint George's, Grenada, temperatures remain comfortably warm, with minimums hovering around 24°C (75°F) and averages reaching 27°C (80°F). This month sees a slight dip from the peak warmth of October and November, where maximum temperatures often hit around 30°C (85°F), but December still enjoys highs of 28°C (83°F). The gradual transition toward cooler weather is subtle yet evident, offering pleasant conditions that are perfect for exploring the island's stunning beaches and lush landscapes. With these inviting temperatures, December stands out as a delightful time to experience Grenada's vibrant culture amidst the warmth of the Caribbean sun.
In December, Saint George's, Grenada experiences a shift in precipitation patterns, with rainfall averaging 82 mm (3.2 in) over 21 days. This marks a decrease compared to the wetter summer months, where July and August recorded heavy rains of 167 mm (6.6 in) and 177 mm (7.0 in), respectively. As the year draws to a close, December's rainfall considerably lessens from the peak rainy season, which starts in June and continues through November, featuring notable spikes such as 195 mm (7.7 in) in October. This transition from the intense rainy season to relatively mild December showers highlights a trend towards drier conditions as the region heads into the drier months of January and February.
As December rolls in, the humidity in Saint George's, Grenada hovers around a comfortable 80%, reflecting a consistent trend observed throughout the latter half of the year. After a gradual decrease from January's 78% to April's 75%, humidity levels began to rise again, peaking at 83% in July before stabilizing in the later months. Notably, the humidity showcased a slight uptick in November, which naturally continues into December, suggesting a lush and balmy atmosphere typical of the Caribbean. This prevailing humidity not only enhances the vibrant tropical landscape but also invites visitors to experience the warmth of Grenada’s coastal charm.
In December, Saint George's, Grenada experiences a UV Index of 10, categorized as very high, which marks a slight decrease from the extreme levels seen in previous months. As the UV intensity lessens slightly, the recommended burn time extends to 15 minutes, providing a brief reprieve before the new year. This trend reflects a year where the UV Index consistently lingered in the extreme zone, especially from February through September, with highs reaching 14 in several months. As you plan your December activities under the Caribbean sun, be mindful of the UV exposure and take necessary precautions. For more information on UV exposure throughout the year, check the Saint George's UV Index.
UV Risk Categories
December in Saint George's, Grenada, continues the trend of abundant sunshine that envelops the island throughout the year. With 327 hours of bright daylight, this month showcases a delightful blend of warm temperatures and clear skies, making it an ideal time for outdoor adventures and beach relaxation. As the year closes, December's sunshine hours stand out just slightly below the peak of 350 hours seen in May, highlighting a robust seasonal consistency. The sun's generous presence allows both locals and visitors to bask in the vibrant beauty of the Caribbean, setting the perfect backdrop for holiday festivities amidst the stunning coastal views.
In December, Saint George's, Grenada experiences a 42% chance of sunny weather, marking a slight dip from the previous month's 49%. This period is a transition into the dry season, and while it may not boast the sunniest days compared to the peak months of February (70%) and January (53%), December still holds its charm with a mix of pleasant sunshine and occasional clouds. The trend shows that as the year progresses from the wet, humid months of June and July, the likelihood of clear skies gradually increases, making the end of the year a delightful time to enjoy the tropical warmth before the peak of sun-soaked January.
In Saint George's, Grenada, December sees a return to 11 hours of daylight, a pattern reminiscent of the early months of the year. This month marks a subtle transition from the longer days of summer, where June through September bask in a consistent 12 hours of sunshine. As the year winds down, daylight duration slips back to the familiar 11-hour routine seen in January and February, offering a gentle reminder of the changing seasons. Overall, the daylight trends reflect a harmonious rhythm, with a peak in brightness during the warmer months, followed by a warm embrace of shorter days as the island approaches the end of the year.
In December, the winds in Saint George's, Grenada pick up a delightful flair, averaging 8.3 m/s (19 mph). This slight increase from November, which hovered around 6.5 m/s (14 mph), reflects a seasonal shift that brings a refreshing breeze to the island. The wind speed trends throughout the year show a peak in early winter months, with January and February also offering brisk winds of 8.2 m/s (18 mph) and 9.2 m/s (21 mph) respectively. As we transition into the new year, the consistent wind patterns not only enhance the island's charm but also create perfect conditions for sailing and water sports, drawing both locals and tourists to revel in the invigorating coastal experience.
Weather in Saint George's varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint George's, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase mild tropical weather, but there are some notable differences between the two months. In December, temperatures tend to be slightly warmer with an average of 27°C (80°F), peaking at 28°C (83°F), while January sees a slight decline to an average of 26°C (79°F) with a maximum of 27°C (82°F). Precipitation also decreases significantly in January, with only 50 mm (2.0 in) over 13 days compared to December's 82 mm (3.2 in) across 21 days, making January a drier month overall. Humidity remains relatively constant, with December at 80% and January at 78%. For more details, you can check Saint George's weather in January.
In December, the weather is slightly warmer, with average temperatures reaching 27°C (80°F) and maximums of 28°C (83°F). The month experiences a higher level of precipitation with 82 mm (3.2 in) over 21 days, contributing to a humidity level of around 80%. By February, temperatures drop slightly, averaging 26°C (78°F) with maximums of 27°C (81°F) and a reduced precipitation level of 37 mm (1.5 in) spread over 14 days. The humidity also decreases to 77%, making February generally more pleasant than December. For more detailed information, check out Saint George's weather in February.
December and March present a nuanced comparison in weather patterns. December tends to be slightly warmer, with average temperatures hovering around 27°C (80°F) and maximums reaching up to 28°C (83°F), while March sees a slight dip in average temperature to 26°C (79°F). Humidity levels are relatively high in both months, with December at 80% and March slightly lower at 76%. Another notable difference is the precipitation; December experiences more rainfall, totaling 82 mm (3.2 in) over 21 days, compared to March's 40 mm (1.6 in) over just 12 days. For more detailed insights, you can refer to Saint George's weather in March.
December and April present a fascinating contrast in weather patterns. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), with an average of 27°C (80°F). However, it's a wetter month, receiving 82 mm (3.2 in) of precipitation over 21 days and a higher humidity level of 80%. In comparison, April sees slightly lower temperatures, with a minimum of 24°C (76°F) and an average of 26°C (80°F), while the maximum remains similar at 28°C (82°F). Notably, it experiences significantly less rainfall, with only 26 mm (1.0 in) over 9 days and lower humidity at 75%. For further details, you can check Saint George's weather in April.
In December, the weather features a warm temperature range, with a minimum of 24°C (75°F) and a maximum of 28°C (83°F), similar to May's temperatures. However, December experiences significantly higher precipitation, totaling 82 mm (3.2 in) over 21 days, compared to May's 50 mm (2.0 in) over just 13 days. The humidity is also slightly higher in December at 80%, whereas May enjoys a more comfortable 76% humidity level. Overall, while both months have similar temperatures, December tends to be wetter and more humid than May. For more details on May's weather in Saint George, you can visit Saint George's weather in May.
In December, temperatures in Saint George average around 27°C (80°F), with a modest range from a minimum of 24°C (75°F) to a maximum of 28°C (83°F). The month experiences considerable rainfall, totaling 82 mm (3.2 in) over 21 days, maintaining a high humidity level of 80%.
In contrast, June holds a similar average temperature of 27°C (81°F) but starts slightly warmer, with a minimum of 25°C (77°F). Rainfall increases significantly during this month, reaching 111 mm (4.4 in) across 20 days and maintaining the same humidity level of 80%. The weather patterns highlight a transition from December's somewhat drier warmth to June's wetter conditions. For a detailed look at June's climate, visit Saint George's weather in June.
In comparing the weather of December and July, it's evident that both months share similar temperature ranges, with December having a minimum of 24°C (75°F) and July slightly warmer at 25°C (77°F), yet both average around 27°C (81°F) and peak at 28°C (83°F). However, July experiences significantly higher precipitation, measuring 167 mm (6.6 in) over 26 days compared to December's 82 mm (3.2 in) spread over 21 days. This results in July having a more humid atmosphere, averaging at 83% versus December’s 80%. For more details on the weather conditions in July, you can visit Saint George's weather in July.
In December, the weather is slightly cooler with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), compared to August, which sees temperatures from a minimum of 25°C (77°F) to a maximum of 29°C (84°F). While both months have an average temperature of around 27°C (81°F), December experiences less rainfall, with 82 mm (3.2 in) across 21 days, whereas August receives significantly more precipitation at 177 mm (7.0 in) over 25 days. Despite the differences in rainfall, both months maintain a consistent humidity level of around 80%. For more details on the weather in August, you can explore Saint George's weather in August.
In comparing the weather between December and September, December features slightly milder temperatures, with average highs of 28°C (83°F) compared to September's 29°C (85°F). Although December has a minimum temperature of 24°C (75°F), September starts warmer at 25°C (78°F). Precipitation in December is notably lower, with 82 mm (3.2 in) over the month, while September experiences a wetter climate with 145 mm (5.7 in) of rainfall. Both months showcase similar humidity levels, with December at 80% and September at 79%. For a deeper dive into the specifics, check out Saint George's weather in September.
When comparing the weather in December to that of October, both months exhibit warm temperatures with December showing a slightly narrower range. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), while October experiences slightly warmer conditions, with minimums of 25°C (77°F) and maximums reaching up to 30°C (85°F). Precipitation is significantly higher in October, totaling 195 mm (7.7 in) over 24 days, compared to December's 82 mm (3.2 in) across 21 days, suggesting that October is generally wetter. Humidity levels are similar, with December at 80% and October slightly lower at 79%. For more detailed information on October weather, you can visit Saint George's weather in October.
In comparing the weather of December and November, we can see that temperatures remain relatively consistent between the two months, with both averaging around 27°C (80°F) and maxing out at 28°C (83°F). However, December experiences slightly cooler mornings with a minimum temperature of 24°C (75°F), compared to November's 25°C (77°F). Precipitation levels drop significantly in December to 82 mm (3.2 in), compared to November's 132 mm (5.2 in), indicating a drier month overall despite having almost the same number of rainy days—21 in December and 22 in November. Humidity also remains similar, with December at 80% and November at 81%. For more detailed information, you can check Saint George's weather in November.
As December unfolds in Saint George's, the weather takes on a unique character compared to the earlier months of the year. With average temperatures hovering around a comfortable 27°C, the warmth is punctuated by higher humidity levels, reaching about 80%. While the city does see an increase in precipitation, with rain gracing roughly 21 days of the month, this creates a lush and vibrant atmosphere that enhances the tropical charm of the region. For those planning to visit, the end of the year offers a captivating blend of warmth and rain, inviting travelers to experience a different side of Grenada. To explore more about the climate throughout the year, visit Saint George's Climate.