Last updated: August 31, 2025
December in Grytviken, South Georgia and the South Sandwich Islands, presents a chill embrace characterized by maximum temperatures reaching 6°C (44°F) and an average of 2°C (35°F). Visitors can expect a brisk climate, with minimum temperatures dipping to -2°C (28°F). The month is also notable for its high humidity at 90%, creating a damp atmosphere. Rainfall is frequent, totaling 122 mm (4.8 in) spread across 21 days, ensuring that every outing is met with a chance of precipitation. This unique weather pattern reflects the rugged beauty of Grytviken, making it a captivating destination for those drawn to its stark, remote charm.
In December, Grytviken, nestled in the stunning South Georgia and the South Sandwich Islands, experiences a shift in temperatures indicative of the Southern Hemisphere summer. The month begins with minimum temperatures hovering around -2°C (28°F), while average readings reach 2°C (35°F), culminating in a maximum of 6°C (44°F). This slight warming trend is a welcome relief compared to the biting conditions of the preceding months, where lows dipped as low as -15°C (6°F) in July. December serves as a bridge, hinting at the gentle thaw of winter, as the region embraces milder conditions that invite both adventure and exploration. Overall, these inviting temperatures, coupled with expansive vistas, make it an idyllic time to experience the rugged beauty of this remarkable landscape.
In December, Grytviken experiences a notable shift in precipitation, receiving 122 mm (4.8 in) of rain over 21 days, which marks a slight increase from November's rainfall. This month falls within a trend of relatively high moisture typical for the Southern Hemisphere’s summer, linking it to the preceding wetter months of August and March. The consistent frequency of rainfall, averaging around 20 days per month, underscores Grytviken's reputation for a damp climate. As the year draws to a close, these patterns not only highlight the increasing precipitation but also set the stage for the incoming milder South Georgia summer, enriching the lush landscapes that define the region.
December in Grytviken, South Georgia and the South Sandwich Islands, sees a humidity level of 90%, which aligns with the trend of high humidity values characteristic of the region. This month, along with January and November, presents some of the highest humidity levels throughout the year, indicating a consistently damp atmosphere. Following a slight dip in humidity from the early spring months, which lingered around 92% to 90%, December maintains this elevated moisture, supporting the lush ecosystems and vibrant wildlife that thrive in these unique climates. The overall trend suggests a pattern of increased humidity during the peak summer months, gradually tapering off as winter approaches, yet remaining relatively high compared to many other locations.
In December, Grytviken experiences an extreme UV Index of 16, mirroring the conditions of the previous month, November. With a rapid rise from January's already high UV of 11, December stands out as a time when sun exposure demands heightened caution. The burn time plummets to just 10 minutes, emphasizing the urgency for protection against potential skin damage. This extreme category highlights a significant trend in Grytviken's climate, where the peak UV Index months shift towards the beginning of summer. As outdoor enthusiasts plan their activities for this vibrant but demanding time of year, it's essential to stay informed about the UV levels. For more details, check out the full Grytviken UV Index.
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In December, Grytviken, South Georgia and the South Sandwich Islands basks in an impressive 211 hours of sunshine, making it the sunniest month of the year. This radiant finale to the year follows a gradual upward trend from the darker, colder months of winter. After dipping to a mere 46 hours in July, the sunlight steadily begins to increase, peaking sharply in November with 187 hours. The transition into summer sees a dramatic rise, culminating in December's vibrant glow. This trend not only signals the onset of warmer days but also invites visitors to experience the breathtaking landscapes illuminated by the sun's embrace, highlighting the stark contrast with the long, dim winter months that precede it.
In Grytviken, South Georgia, the likelihood of sunny weather during December stands at 20%, reflecting a slight dip as the region transitions into the mid-summer months. This percentage mirrors February's more favorable conditions, which boasts a 20% chance of sunshine as well. While December does not shine as brightly as June's peak at 27%, it signals the potential for bright, clear days amid the rugged beauty of the South Sandwich Islands. This moderate chance of sun makes December a worthwhile time for visitors eager to explore the island's stunning landscapes, particularly as it leads into a month with an optimistic chance of sun, characteristic of the southern hemisphere's summer.
In Grytviken, South Georgia and the South Sandwich Islands, December heralds the peak of daylight with an impressive 17 hours of sunshine, a stark contrast to the short days of winter. As the year unfolds, daylight gradually decreases from 16 hours in January to 7 hours in both June and July, marking the bow of the southern hemisphere's winter solstice. Following this period of limited light, the days slowly lengthen again, reaching 9 hours in August and steadily climbing back to 15 hours by November. This cyclical dance of daylight not only defines the changing seasons but also creates a beautiful rhythm of nature, inviting exploration and appreciation of the stunning landscapes during the sunniest months.
In December, Grytviken experiences a notable average wind speed of 5.8 m/s (13 mph), which aligns with a seasonal pattern that shows fluctuation throughout the year. Following the slightly breezy November, the winds pick up marginally, foreshadowing the gusty conditions that often characterize the region. Interestingly, the wind speeds in Grytviken generally vary, with the highest averages recorded during the transitional months of March and April, reaching up to 6.5 m/s (14 mph). Despite these peaks, December’s winds remain consistent with the mild breezes of early summer, illustrating the enchanting yet variable maritime climate of South Georgia and the South Sandwich Islands. As the year winds down, this mix of calm and gusty days sets the stage for the captivating landscapes shaped by the elements.
Weather in Grytviken varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grytviken, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Grytviken exhibit fairly similar weather patterns, although there are some notable differences. In December, temperatures range from a minimum of -2°C (28°F) to a maximum of 6°C (44°F), with an average of 2°C (35°F). The month sees significant precipitation at 122 mm (4.8 in) across 21 days, coupled with high humidity around 90%. In contrast, January experiences slightly cooler temperatures with a minimum of -3°C (27°F) and a maximum of 8°C (46°F), while the average remains consistent at 2°C (36°F). Precipitation decreases slightly to 120 mm (4.7 in) over 19 days, along with a rise in humidity to 92%. For more detailed weather insights, you can check Grytviken weather in January.
In comparing the weather of December and February, we find that both months experience a similar average temperature of around 2°C (35°F). However, February tends to be slightly warmer on the high end, with maximum temperatures reaching up to 9°C (48°F) compared to December's 6°C (44°F). Precipitation levels are quite close, with December receiving 122 mm (4.8 in) over 21 days, while February has 117 mm (4.6 in) over just 18 days. Notably, both months maintain a high humidity level of 90%, creating a consistently damp atmosphere. For more detailed information, you can check Grytviken weather in February.
In December, temperatures in Grytviken typically range from a minimum of -2°C (28°F) to a maximum of 6°C (44°F), with an average of 2°C (35°F). The month sees around 122 mm (4.8 in) of precipitation over 21 days, maintaining a humidity level of 90%. In contrast, March experiences slightly cooler temperatures, with a minimum of -5°C (23°F), an average of 2°C (35°F), and a maximum of 7°C (45°F). Precipitation increases to 142 mm (5.6 in) over 22 days, while humidity remains constant at 90%. For a closer look at the weather specifics during March, visit Grytviken weather in March.
When comparing the weather in December and April, we find some notable similarities and differences. In December, the average temperature hovers around 2°C (35°F) with a minimum of -2°C (28°F) and a maximum of 6°C (44°F), while in April, the average temperature is slightly lower at 1°C (33°F), with a minimum of -6°C (21°F) and the same maximum of 6°C (43°F). Both months experience significant precipitation, with December receiving 122 mm (4.8 in) over 21 days and April accumulating slightly more at 143 mm (5.6 in) across 23 days. Humidity levels are also high in both months, though April is marginally drier at 86% compared to December's 90%. For more detailed insights into April's weather, you can visit Grytviken weather in April.
December and May in Grytviken present notably different weather patterns. In December, temperatures range from a minimum of -2°C (28°F) to a maximum of 6°C (44°F), with an average of 2°C (35°F). It experiences 122 mm (4.8 in) of precipitation over 21 days, accompanied by high humidity at 90%. In contrast, May is slightly chillier, with temperatures dipping to a minimum of -9°C (16°F) and an average of -2°C (29°F), peaking at 5°C (42°F). Precipitation is also slightly higher in May at 134 mm (5.3 in), spread over 20 days, while humidity remains relatively high at 87%. For more detailed information, please refer to Grytviken weather in May.
When comparing the weather in December and June, December generally offers milder temperatures, with a minimum of -2°C (28°F) and a maximum of 6°C (44°F). It also sees an average temperature of 2°C (35°F) along with higher humidity levels at 90%. In contrast, June experiences colder conditions, presenting a minimum temperature of -11°C (13°F) and a maximum of 4°C (40°F), with an average of -3°C (27°F). Precipitation levels are similar in both months, with December receiving 122 mm (4.8 in) over 21 days and June slightly less at 118 mm (4.6 in) over 19 days. For more detailed information about June weather in Grytviken, visit Grytviken weather in June.
In December, the weather is generally milder than in July, with average temperatures ranging from -2°C (28°F) to a maximum of 6°C (44°F), while July experiences colder temperatures, averaging between -15°C (6°F) and a maximum of 3°C (38°F). Both months see significant precipitation, with December receiving 122 mm (4.8 in) over 21 days and July slightly less at 120 mm (4.7 in) over 19 days. The humidity in December is higher at 90%, compared to 83% in July, contributing to a chillier feeling during the winter months. For detailed insights into July's weather conditions in Grytviken, you can visit Grytviken weather in July.
When comparing the weather in December and August, notable differences emerge. December boasts a milder climate with average temperatures around 2°C (35°F), while August experiences lower temperatures, with averages dipping to -3°C (27°F). In terms of precipitation, December receives 122 mm (4.8 in) over 21 days, whereas August records slightly higher precipitation at 159 mm (6.2 in) over 22 days. Humidity levels are also quite similar, with December at 90% and August slightly lower at 86%. For more detailed information on August conditions, you can check Grytviken weather in August.
When comparing the weather in December and September, December generally offers milder temperatures, with an average of 2°C (35°F) and a maximum of 6°C (44°F), while September experiences colder conditions, averaging -2°C (30°F) with a maximum of 4°C (39°F). Interestingly, both months see notable precipitation, with December receiving 122 mm (4.8 in) over 21 days and September slightly higher at 138 mm (5.4 in) over 20 days. Humidity levels are high in both months, with December at 90% and September at 87%. For more detailed weather information, you can check out Grytviken weather in September.
When comparing the weather in December and October, December tends to be slightly milder, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 6°C (44°F), while October's temperatures are colder, with a minimum of -9°C (16°F) and a maximum of 5°C (41°F). Additionally, December experiences a comparable amount of precipitation at 122 mm (4.8 in) over 21 days, slightly more than October's 118 mm (4.7 in) spread across 19 days. Humidity levels are also a factor; December has a higher average humidity of 90% compared to October's 86%, contributing to a colder, more damp feel in the air. For more detailed information, you can check Grytviken weather in October.
In comparing the weather of December to November, December typically experiences slightly milder temperatures with an average of 2°C (35°F), compared to November's average of 1°C (34°F). The minimum temperatures in December are also less severe, dropping only to -2°C (28°F), while November can see lows of -6°C (21°F). Rainfall is slightly increased in December, with 122 mm (4.8 in) over 21 days, compared to November's 106 mm (4.2 in) over 20 days. Despite these shifts, humidity remains consistent at 90% for both months. To explore more about November weather in this region, visit Grytviken weather in November.
December in Grytviken heralds the arrival of milder temperatures compared to the chill of previous months, as the warmth begins to embrace this rugged landscape. With the maximum reaching 6°C and an average of 2°C, it's a significant shift, yet the constant humidity hovering around 90% often keeps the air feeling damp. Daily precipitation is a regular occurrence, with rain falling for about 21 days, adding to the overall moisture in the atmosphere. This combination of milder temperatures and frequent rain sets December apart from the harsher months preceding it, creating a unique and dynamic climate for visitors. For a detailed overview of weather patterns throughout the year, visit Grytviken Climate.