Last updated: August 31, 2025
In July, Grytviken, located in the South Georgia and South Sandwich Islands, experiences a chilly maritime climate characterized by maximum temperatures reaching 3°C (38°F) and an average dipping to –4°C (25°F). With minimum temperatures plunging to –15°C (6°F), this month is marked by frequent cold snaps. Alongside the cool temperatures, residents and visitors can expect significant precipitation, totaling 120 mm (4.7 in) across 19 days of rainfall, resulting in an humidity level of 83%. Such conditions create a moody landscape, where the dramatic natural beauty is often veiled in mist and rain, exemplifying the rugged charm of Grytviken in mid-winter.
In July, Grytviken experiences its coldest temperatures of the year, with minimums plunging to -15°C (6°F) and an average temperature of -4°C (25°F). This stark chill sets the tone for the middle of winter in the region, contrasting sharply with the milder conditions of the preceding summer months. As the maximum temperature barely reaches 3°C (38°F), it’s evident that Grytviken is firmly in the grip of winter's embrace. Following a gradual cooling trend from the prior months, where temperatures hovered just above freezing, July marks a significant drop, emphasizing the harsh realities of life in this remote locale. As the winter deepens, the landscape remains stunningly beautiful, inviting those brave enough to explore its frosty charm.
In July, Grytviken experiences a notable precipitation total of 120 mm (4.7 in), slightly above the seasonal average, mirroring the rainfall patterns of January and June. With 19 days of precipitation, July exemplifies the region's characteristic maritime climate, contributing to a generally wet and cool atmosphere during the winter months. This steady rain often leads to vibrant landscapes, perfect for exploration, despite the persistent gray skies. As the month transitions into August, rainfall rises significantly, with an anticipated spike to 159 mm (6.2 in), setting the stage for the wetter conditions that often define South Georgia's winter. Overall, July maintains a dynamic balance, ensuring that the local ecosystem remains lush and thriving.
In July, humidity in Grytviken reflects a subtle shift, dipping to 83%, the lowest of the year. This slight decrease is part of a gradual decline observed from the start of the year, where humidity peaks at 92% in January, before experiencing a downward trend throughout the summer months. The trend reveals July as a bridge into the drier period, leading to slightly increased levels in August (86%) and September (87%). While still comfortably humid, the overall climate hints at a gradual transition, preparing residents and visitors alike for the upcoming changes in the South Georgia atmosphere.
In July, Grytviken experiences a UV Index of 2, categorizing the exposure as low with a burn time of 45 minutes. This mild level of UV radiation continues the trend observed in the preceding months of June and May, where the risk remains low and protective measures can be relaxed. As winter persists in South Georgia, the UV Index is significantly lower compared to the extreme levels found in the height of summer, particularly in January and November, when it peaks at 11 and 16, respectively. As the year progresses toward spring, one can anticipate a gradual increase in UV levels, further emphasizing the importance of monitoring the UV Index throughout the changing seasons. Stay informed by visiting Grytviken UV Index for the latest updates on local UV conditions.
UV Risk Categories
As July descends on Grytviken, South Georgia, and the South Sandwich Islands, the sunshine takes a noticeable dip, clocking in at a modest 46 hours. This low point marks the continuation of a downward trend that begins in late autumn, reflecting the waning daylight as winter deepens. Following the late spring and summer months, where light graces the region for a generous 150 hours in January, the sunshine steadily declines, hitting its nadir in July. With the promise of longer, brighter days returning in August, which sees a modest rebound to 73 hours, the cyclical nature of sunlight in this remote archipelago reminds us of the profound seasonal shifts that define life in such extreme latitudes.
In Grytviken, South Georgia and the South Sandwich Islands, the likelihood of sunny weather in July stands at a modest 15%. While this figure is slightly lower than the sunniest months, such as May and October, which boast chances of 22% and 23% respectively, it remains consistent with the surrounding winter months. Compared to its neighbors, June offers the highest likelihood of sunshine at 27%, but July quickly returns to a more typical pattern of overcast skies as the region transitions deeper into winter. Overall, the trend highlights a moderate embrace of sunny days, reminding visitors that while occasional rays break through, the allure of South Georgia often lies beyond the sun.
In Grytviken, South Georgia and the South Sandwich Islands, July continues the trend of limited daylight, mirroring June's modest 7 hours of light. As winter grips the region, the days remain short and introspective. However, this period of subdued illumination serves as a prelude to the gradual lengthening that begins in August, when daylight increases to 9 hours. Following this pattern, the transition from winter to spring is marked by a steady climb in daylight, reflecting the island's seasonal rhythm and the anticipation of brighter days ahead. From the prolonged daylight of January at 16 hours to the deep winter nights, the year's fluctuations encapsulate the stark beauty of life at this remote southern latitude.
In July, Grytviken, nestled in the stunning landscapes of South Georgia and the South Sandwich Islands, experiences a gentle average wind speed of 5.0 m/s (11 mph). This steady breeze follows a pattern of fluctuating winds throughout the year, peaking in April and August with speeds of 6.5 m/s (14 mph) and 6.2 m/s (14 mph), respectively. While July's winds slightly dip from the prior month's 4.9 m/s average, they maintain a moderate flow, consistent with the calmer conditions typically seen during the mid-winter months. As the year progresses, a noticeable resurgence in wind speeds can be observed, hinting at the lively conditions that await in the approaching spring months.
Weather in Grytviken varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Grytviken, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, July experiences significantly colder temperatures, with a minimum of -15°C (6°F) and an average of -4°C (25°F), while January's temperatures range from a minimum of -3°C (27°F) to an average of 2°C (36°F). Both months receive the same amount of precipitation—120 mm (4.7 in) over 19 days—but January is marked by higher humidity levels at 92%, compared to July's 83%. For a more detailed look at January weather in Grytviken, you can visit Grytviken weather in January.
In comparing the weather of July and February, we observe notable differences in temperature and conditions. July experiences significantly colder temperatures, with a minimum of -15°C (6°F) and an average of -4°C (25°F), whereas February sees milder temperatures, ranging from a minimum of -3°C (27°F) to an average of 2°C (37°F). Precipitation levels are relatively similar, with July receiving 120 mm (4.7 in) over 19 days and February slightly less at 117 mm (4.6 in) across 18 days. Additionally, humidity is higher in February at 90%, compared to 83% in July, contributing to a more damp environment. For those looking to explore Grytviken's weather specifics in February, you can find more information Grytviken weather in February.
In comparing the weather between July and March, both months present chilly conditions, but March tends to be slightly milder. In July, temperatures range from a minimum of -15°C (6°F) to a maximum of 3°C (38°F), with an average temperature of -4°C (25°F). On the other hand, March exhibits a higher minimum temperature of -5°C (23°F) and a maximum of 7°C (45°F), resulting in an average of 2°C (35°F). Precipitation levels are comparable, with July receiving 120 mm (4.7 in) over 19 days and March seeing 142 mm (5.6 in) over 22 days. Additionally, March has a higher humidity level at 90%, compared to July's 83%. For more details on Grytviken's weather, you can explore Grytviken weather in March.
In comparing the weather of July and April, July tends to be colder with average temperatures around -4°C (25°F), while April is slightly warmer, averaging 1°C (33°F). Both months experience considerable precipitation, but July sees a total of 120 mm (4.7 in) over 19 days, whereas April records 143 mm (5.6 in) across 23 days. Humidity levels are similarly high in both months, standing at 83% in July and 86% in April. For more detailed information, you can check Grytviken weather in April.
In comparing the weather of July and May, July tends to be slightly colder, with average temperatures ranging from a minimum of -15°C (6°F) to a maximum of 3°C (38°F), while May has a milder range, with minimums of -9°C (16°F) and maximums of 5°C (42°F). Both months experience significant precipitation, with July recording 120 mm (4.7 in) over 19 days and May having slightly higher precipitation totals at 134 mm (5.3 in) over 20 days. Humidity levels are also comparable, with July at 83% and May at 87%. For more detailed weather information specific to May, you can check Grytviken weather in May.
In comparing the weather of July and June, we observe that both months experience similar chilly conditions, but July is slightly colder overall. July's average temperature hovers at -4°C (25°F) with a minimum of -15°C (6°F) and a maximum of 3°C (38°F), while June features a slightly milder average of -3°C (27°F) with a minimum of -11°C (13°F) and a maximum of 4°C (40°F). Precipitation levels remain consistent, with July recording 120 mm (4.7 in) and June having 118 mm (4.6 in), both distributed over 19 days. Humidity is also relatively high in both months, but July is marginally less humid at 83% compared to June's 85%. For more detailed information, you can check out Grytviken weather in June.
In comparing July and August weather, both months experience frigid temperatures, but August shows a slight increase with an average minimum of -13°C (8°F) and a maximum of 4°C (39°F) compared to July's minimum of -15°C (6°F) and maximum of 3°C (38°F). Precipitation also rises in August, totaling 159 mm (6.2 in) over 22 days, which is notably higher than July's 120 mm (4.7 in) over 19 days. Furthermore, humidity levels are slightly elevated in August at 86%, compared to July's 83%. For more detailed insights, visit Grytviken weather in August.
In comparing the weather in July and September, both months exhibit similar cold temperatures, but September tends to be slightly warmer with a higher average temperature of -2°C (30°F) compared to July's -4°C (25°F). The minimum temperatures in July reach as low as -15°C (6°F), while in September, the minimum is a bit milder at -11°C (12°F). Precipitation is slightly more pronounced in September, with 138 mm (5.4 in) over 20 days, compared to July's 120 mm (4.7 in) over 19 days. Additionally, humidity levels rise from 83% in July to 87% in September, contributing to a damp atmosphere. For more detailed information on September weather, you can refer to Grytviken weather in September.
In comparing the weather between July and October, both months exhibit quite similar temperature ranges and precipitation levels. July sees minimum temperatures dropping to -15°C (6°F) with an average of -4°C (25°F) and a maximum hitting only 3°C (38°F). In contrast, October offers slightly milder conditions, with minimum temperatures around -9°C (16°F) and an average of -1°C (30°F), reaching up to 5°C (41°F). Precipitation is consistent between the two months, with July recording 120 mm (4.7 in) and October slightly lower at 118 mm (4.7 in), but both experience precipitation over the course of 19 days. Humidity is also similarly high, with July at 83% and October at 86%. For more details on October weather, you can visit Grytviken weather in October.
In July, Grytviken experiences colder temperatures with a minimum of -15°C (6°F) and an average of -4°C (25°F), while November sees relatively milder conditions, with a minimum of -6°C (21°F) and an average of 1°C (34°F). Precipitation remains high in both months, with July receiving 120 mm (4.7 in) over 19 days and November slightly less at 106 mm (4.2 in) over 20 days. Additionally, humidity levels are notably higher in November at 90%, compared to July's 83%, contributing to a damp and chilly atmosphere. For more details, check out Grytviken weather in November.
July and December in Grytviken present notably different weather patterns. In July, temperatures are colder, with a minimum of -15°C (6°F) and an average of -4°C (25°F), while December offers milder conditions, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 6°C (44°F). Precipitation levels are quite similar, with July receiving 120 mm (4.7 in) over about 19 days, and December slightly higher at 122 mm (4.8 in) over 21 days. Furthermore, the humidity in December increases to 90%, compared to July's 83%, creating a much more humid feel by the end of the year. For a more detailed overview of December weather in Grytviken, you can visit Grytviken weather in December.
In July, Grytviken experiences some of its coldest temperatures of the year, with a significant chill that sets it apart from the milder months. The average temperature hovers around -4°C, while nights can plunge to a bitter -15°C. With 120 mm of precipitation spread over 19 days, this month is characterized by frequent, damp weather, making it one of the wettest periods. The high humidity level of 83% adds to the raw feeling in the air, contrasting sharply with the summer months when temperatures rise and conditions become more inviting. For a deeper dive into Grytviken's unique weather patterns throughout the year, explore the detailed information available at Grytviken Climate.