Last updated: July 31, 2025
The climate of Gibraltar is characterized by a Mediterranean influence, featuring warm summers and mild winters. In August, temperatures can soar to a maximum of 32°C (90°F), while the annual average hovers around 18°C (64°F). The coldest month is January, where temperatures can dip to a minimum of 5°C (42°F). Despite its sunny disposition, Gibraltar receives an annual precipitation of 556 mm (21.9 in), with distinct seasonal rainfall patterns. Most precipitation occurs from November to March, while the summer months of June, July, and August are notably dry, with minimal rainfall recorded. Additionally, humidity levels fluctuate dramatically, peaking at an average of 81% in December and dropping to 51% in August, creating a unique climate experience for residents and visitors alike.
Gibraltar experiences a Csa climate, characterized as a Mediterranean climate with hot, dry summers and mild, wet winters. This unique climate zone ensures that summers are not only sun-soaked but also relatively arid, making outdoor activities appealing during this season. In contrast, the winter months bring moderate temperatures and occasional rainfall, providing a refreshing break from the summer heat. The climatic conditions of Gibraltar contribute to its lush vegetation and diverse ecosystems, making it an attractive destination for nature lovers and outdoor enthusiasts alike.
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Gibraltar experiences a delightful range of temperatures throughout the year, characterized by mild winters and warm summers. In January, you can expect a minimum of 5°C (42°F) and an average of 13°C (56°F), gradually rising to 19°C (66°F) by the end of the month. As spring approaches, February and March gently transition to warmer days, peaking at 21°C (70°F) in March. The warmth continues through April and May, with temperatures soaring in July and August, where the maximum reaches a balmy 32°C (90°F). September offers a slight reprieve, settling back to a comfortable 28°C (82°F), before the cooler months of October and November usher in a refreshing drop to an average of 16°C (61°F). By December, temperatures hover around 15°C (59°F), marking the close of the year on a pleasantly mild note. This annual temperature progression not only highlights Gibraltar's unique climate but also makes it an attractive destination year-round.
Gibraltar's precipitation patterns vividly illustrate the region's Mediterranean climate, characterized by a marked seasonal variation. The year begins with January receiving the highest rainfall of 78 mm over 6 days, setting a wet tone that peaks again in March with 107 mm across 12 days. As the seasons progress into spring and early summer, a notable decline in precipitation ensues, dropping to a mere 1 mm in July—the driest month of the year. This trend continues into August, followed by a slight uptick in the later months of September and October. As the year winds down, November reintroduces considerable rainfall with 90 mm over 10 days, highlighting Gibraltar's transition back into the wetter season. Overall, the rainfall cycle underscores a clear contrast between the rainy winter months and the arid summer, defining the region's unique climatic identity.
Gibraltar experiences a noticeable ebb and flow in humidity throughout the year, with January and December marking the peak months at a humid 79% and 81%, respectively. As winter gives way to spring, humidity gradually declines, reaching its annual low of 51% in August. This dip coincides with the summer heat, where the dry conditions provide a stark contrast to the dampness felt in the early and late months of the year. However, as autumn arrives, humidity begins to rise again, with October and November witnessing significant increases, underscoring the cyclical nature of Gibraltar's climate. Overall, it is clear that the region's humidity is at its lowest during the summer, while the winter months are characterized by a thicker, more humid atmosphere.
Gibraltar's UV Index trends reveal a pronounced seasonal pattern, showcasing escalating intensity as the year progresses. Starting from a moderate UV Index of 3 in January and February, the index swiftly climbs to a high of 7 by March, necessitating shorter burn times as spring arrives. The transition into summer brings an extreme peak of 11 in both June and July, demanding vigilant sun protection with just 10 minutes of exposure before risk sets in. As the sun begins to wane in August and September, the index trends downwards to very high levels, maintaining a cautionary stance with 15-minute burn times. By autumn, readings once again fall to moderate levels in November and December, allowing for longer, safer sun exposure of 30 minutes. This cyclical journey of UV intensity underscores the importance of adapting sun safety practices throughout the year in Gibraltar.
UV Risk Categories
Gibraltar basks in a remarkable amount of sunshine throughout the year, with January kicking off the year at 223 hours. As spring unfolds, the sunniest months approach, culminating in May and June, where sunshine peaks at an impressive 408 and 412 hours, respectively. This radiant trend continues into early summer, with July offering the most sun at 422 hours. However, as summer transitions to autumn, the sunlight begins to recede, with August dropping to 393 hours and a gradual decline into the cooler months, ultimately landing at 268 hours in December. This clear seasonal cycle highlights Gibraltar's vibrant sunshine, making it a delightful destination for sun-seekers all year round.
In Gibraltar, the likelihood of sunny weather showcases clear seasonal trends, with sunshine chances peaking during the summer months. Starting in January with a 50% chance, the sun's presence gradually increases, reaching a bright 88% in July. Just before summer, May offers a promising 62%, while June maintains a sunny disposition at 76%. As the year progresses into August and September, the chances of sun remain high at 78% and 70% respectively. As autumn descends, October sees a drop to 50%, but November bounces back to 74% before the year concludes with a solid 54% in December. Overall, Gibraltar provides a delightful escape for sun-seekers, especially from late spring through early fall.
In Gibraltar, the daylight hours gradually increase from 9 hours in January to a peak of 14 hours during the summer months of May through July. This seasonal transition not only welcomes longer, sun-filled days but also encourages outdoor activities and exploration of the stunning landscapes. As summer gives way to fall, daylight begins to taper off, with August seeing a slight decrease to 13 hours, followed by a gradual decline to 11 hours in October and 10 in November. By December, daylight returns to 9 hours, mirroring the daylight at the start of the year. This rhythmic ebb and flow of daylight creates a vibrant cycle that enhances Gibraltar's charm throughout the seasons.
Gibraltar's climate exhibits a striking transformation throughout the year, characterized by mild winters and hot summers. From January to June, temperatures steadily rise, with January's chilly minimums of 5°C (42°F) giving way to June's warmer evenings of 16°C (61°F). The warmest months are July and August, boasting maximums that peak at 32°C (90°F), punctuated by remarkably low precipitation, averaging just one day of rain per month. Notably, humidity levels experience a gradual decline during the summer, dropping to a comfortable 51% in August. As autumn approaches, temperatures and humidity begin to moderate, culminating in November's refreshing 16°C (61°F) average. This dynamic climate not only fosters a vibrant natural landscape but also makes Gibraltar a uniquely appealing destination year-round, offering visitors both sun-kissed days and brisk evenings.