Last updated: February 24, 2025
Experience the vibrant July weather of Juneau, United States, where temperatures reach a maximum of 25°C (77°F) and an average of 13°C (56°F). Despite the pleasant warmth, prepare for the wet conditions, with precipitation totaling 164 mm (6.5 in) over 18 days, contributing to the region's lush scenery. The humidity level at a staggering 104% may make the air feel cooler, emphasizing the importance of layering for comfort. Embrace the lush beauty and dynamic climate of this remarkable Alaskan destination!
In July, Juneau, United States, basks in its warmest conditions of the year, showcasing a delightful shift from the frigid temperatures of winter. With minimum temperatures averaging 7°C (45°F) and *maximums peaking at a pleasant 25°C (77°F), the city experiences a comfortable climate that beckons outdoor enthusiasts. The average temperature settles around 13°C (56°F), providing a perfect backdrop for exploring the stunning natural beauty of the region. This notable warmth contrasts sharply with the bone-chilling lows of earlier months, highlighting July as a peak season for visitors eager to enjoy lush landscapes and vibrant wildlife amid serene, sunny days.
In July, Juneau experiences a notable shift in its precipitation patterns, receiving 164 mm (6.5 in) of rain over 18 days. This marks a decrease from the higher levels of 189 mm (7.4 in) seen in June, suggesting a brief respite from the heavy rainfall that characterizes the earlier summer months. Interestingly, while July is statistically one of the dryer months, it still serves as a precursor to the more intense precipitation of August and October, which both see substantial increases with 280 mm (11.0 in) and 332 mm (13.1 in) respectively. Overall, the trends indicate a gradual transition from June's wetness, setting the stage for the often-lush landscapes that follow in the late summer and fall, reminding us of Juneau's dynamic weather patterns.
In Juneau, United States, the trend of humidity is undeniably pronounced, particularly as we enter the summer months. Starting the year with a notably high 94% in January, the humidity gradually dips slightly in February and March, hovering around 90-92%. As spring fades into summer, June experiences a peak at 96%, but it's in July that the weather truly becomes noticeably muggy, with humidity soaring to an astounding 104%. This pattern continues into August, where humidity reaches 108%, presenting a remarkable escalation. Following this peak, humidity begins to decline, yet remains high throughout the fall, around 101% in September. Overall, the data reveals a cyclical pattern where Juneau's humidity not only peaks in the summer but also suggests a consistent, lush, and damp atmosphere that sets the tone for the region's captivating climate.
In Juneau, the July UV Index peaks at 9, placing it in the very high exposure category, which means that even brief sun exposure can lead to skin damage. This elevates the urgency for sun protection, as the burn time is only 15 minutes—a stark contrast to the low indices of the winter months, where January and February record a UV Index of just 1. The transition from moderate exposure in early spring (with indices of 4 in March and 5 in April) to the very high levels seen from May through August reflects the region's shift towards summer. Notably, June maintains an 8, similar to May, indicating an upward trend that culminates in July's maximum levels. As outdoor activities increase, awareness of the UV Index is essential for sun safety in this breathtaking Alaskan setting. For more detailed information, you can check the Juneau UV Index.
UV Risk Categories
In Juneau, the journey to July sunshine unfolds with an inspiring trend of increasing daylight hours as the year progresses. Starting the year with a modest 43 hours in January, residents eagerly welcome February's jump to 125 hours. As spring approaches, March and April bring a steady rise to 179 and 218 hours, respectively, painting a vivid picture of longer days. May peaks at 235 hours, just before the summer solstice. Although June still boasts a generous 201 hours, July subtly ushers in a slight decline to 198 hours, reminding us that even the sun takes a breather. As summer wanes, August dips to 178 hours, followed by a gradual decrease into autumn. This rhythmic cycle of light not only illuminates Juneau but also enriches its community, fostering a deep appreciation for each season’s unique charm.
While Juneau's weather is often characterized by a mix of clouds and rain, the likelihood of sunny days in July holds steady at 26%, making it one of the more promising months for sunshine. This figure mirrors the sunny prospects of June, suggesting a slight peak in clear skies as summer takes hold. However, when compared to earlier months, this percentage reflects a notable dip from February’s high of 36%, which reveals a seasonal ebb and flow to sunny days. As August approaches, the chance of sun decreases further, dropping to 17%, signaling that the fleeting joys of summer are indeed short-lived in this coastal city. Overall, while July offers a fair shake at enjoying the sun, it remains a gamble amidst Juneau's characteristic clouds.
In Juneau, United States, the daylight duration showcases a fascinating seasonal rhythm. Starting the year with just 7 hours of daylight in January, the days gradually lengthen, peaking at 18 hours in June. As summer unfolds, July sees a slight decrease to 17 hours, hinting at the impending transition towards shorter days. The trend continues into August with 15 hours, emphasizing the inevitable approach of autumn. Notably, the daylight gradually diminishes to 12 hours in September, and further declines to just 6 hours by December. This cyclical pattern not only highlights the extremes of daylight experienced in this northern location but also beautifully illustrates the changing seasons, inviting residents and visitors alike to embrace the unique splendor of each phase.
In Juneau, United States, July presents a subtle ebb in wind activity, with average wind speeds falling to 1.4 m/s (3 mph), the lowest of the year. This trend foreshadows a calm, serene atmosphere as summer blossoms, following a gradual decline from the breezier conditions of earlier months. April and May experienced a more vigorous 2.0 m/s (4 mph) and 1.8 m/s (4 mph) respectively, but as the season shifts towards August, a slight increase to 1.9 m/s (4 mph) hints at a return of gentle breezes. Notably, the wind speeds show a clear seasonal pattern, peaking in the colder months and tapering off during the warmest times. This captivating interplay of wind and season paints a picture of Juneau's unique climate, inviting both residents and visitors to relish the tranquil summer winds.
The weather in Juneau changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Juneau and find detailed weather information for every month.
July and January present strikingly different weather patterns. In July, temperatures range from a chilly 7°C (45°F) to a warm 25°C (77°F), with an average of 13°C (56°F). The month sees a substantial amount of precipitation at 164 mm (6.5 in) over 18 days, combined with notably high humidity at 104%. In contrast, January experiences much harsher conditions, with temperatures dipping as low as -25°C (-13°F) and averaging -4°C (25°F), peaking at just 8°C (47°F). Although January receives more precipitation at 215 mm (8.4 in) across 16 days, the humidity remains lower at 94%. For more detailed insights, you can explore Juneau weather in January.
When comparing the weather in July and February, the contrast is striking. July experiences a much milder climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), accompanied by significant rainfall totaling 164 mm (6.5 in) over 18 days and high humidity levels reaching 104%. In contrast, February's frigid conditions are marked by temperatures that plummet to a minimum of -24°C (-12°F) and only peak at 9°C (48°F). Despite February's colder climate, it sees slightly more precipitation at 182 mm (7.2 in) across 14 days, coupled with lower humidity at 90%. The differences in temperature and overall weather patterns between these two months are quite pronounced, highlighting the extreme seasonal shifts. For more detailed insights, check out Juneau weather in February.
When comparing the weather in July and March, it's clear that July is significantly warmer, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F). In contrast, March experiences much colder temperatures, with lows reaching -18°C (0°F) and highs only peaking at 10°C (51°F). While July sees substantial rainfall, totaling 164 mm (6.5 in) over 18 days, March isn't far behind with 175 mm (6.9 in) spread across 17 days of precipitation. Additionally, humidity levels are notably higher in July at 104%, whereas March maintains a lower humidity of 92%. For more details on March weather, you can check Juneau weather in March.
In comparing the weather of July and April, July presents significantly warmer conditions with an average temperature of 13°C (56°F), while April remains much chillier, averaging just 2°C (36°F). The maximum temperatures also illustrate this contrast, peaking at 25°C (77°F) in July, compared to April's modest high of 12°C (55°F). Despite both months receiving a similar amount of precipitation—164 mm (6.5 in) in July and 163 mm (6.4 in) in April—the humidity in July reaches a staggering 104%, versus a lower 92% in April. For more details on April weather, visit Juneau weather in April.
When comparing the weather in July and May, it's evident that July tends to be warmer overall, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F). In contrast, May experiences cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 21°C (70°F). Both months see substantial precipitation, with July receiving 164 mm (6.5 in) over 18 days, while May has slightly higher rainfall at 174 mm (6.9 in) also over 18 days. Additionally, July has higher humidity levels at 104%, compared to May's 90%. For a more detailed look at the weather patterns, you can explore Juneau weather in May.
In comparing the weather between June and July, July tends to be slightly warmer, with an average temperature of 13°C (56°F) compared to June's 11°C (53°F). Both months share the same maximum temperature of 25°C (77°F), but July experiences slightly less precipitation at 164 mm (6.5 in) over 18 days, in contrast to June's 189 mm (7.4 in) over 22 days. Humidity levels are also higher in July at 104%, compared to June's 96%, indicating more moisture in the air. For a detailed look at June's weather, visit Juneau weather in June.
July and August in Juneau show some notable differences in weather patterns. Both months have an average temperature of 13°C (56°F), but August sees a slight increase in maximum temperature, reaching up to 27°C (80°F) compared to July's maximum of 25°C (77°F). However, August experiences significantly more precipitation, with 280 mm (11.0 in) over 20 days, in contrast to July's 164 mm (6.5 in) over 18 days. Additionally, humidity levels are slightly higher in August at 108%, compared to July's already high 104%. For more details on the weather in August, you can visit Juneau weather in August.
In comparing the weather between July and September, July tends to be milder with minimum temperatures around 7°C (45°F) and a maximum reaching 25°C (77°F). During this month, precipitation is relatively lower at 164 mm (6.5 in) over 18 days, and humidity levels are quite high at 104%. Conversely, September experiences a noticeable drop in temperatures, with minimums dipping to -4°C (26°F) and an average of 10°C (50°F), while the maximum temperature remains similar at 23°C (74°F). Rainfall increases significantly in September, with 259 mm (10.2 in) recorded over just 17 days, and humidity slightly lower at 101%. For more details, you can check out the Juneau weather in September.
In comparing the weather between July and October, notable differences emerge. July boasts a more moderate climate, with average temperatures ranging from a cool 13°C (56°F) to a warm 25°C (77°F), while October experiences significantly colder conditions, with averages plummeting to around 4°C (40°F) and nighttime lows dropping to -11°C (13°F). Precipitation also increases, with July seeing 164 mm (6.5 in) over 18 days, whereas October's totals rise to 332 mm (13.1 in) across 22 days, contributing to the higher humidity levels present in both months—104% in July and 98% in October. For further details on the specific weather patterns in October, visit Juneau weather in October.
When comparing the weather in July and November, there is a stark contrast in temperatures and precipitation patterns. July boasts a milder climate, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), while November sees much colder temperatures, averaging between -15°C (6°F) and 8°C (47°F). Moreover, Juneau experiences higher precipitation in November, totaling 267 mm (10.5 in) over 22 days, compared to July's 164 mm (6.5 in) over 18 days. The humidity remains high in both months, with July at an astonishing 104% and November slightly lower at 97%. For more details, you can check Juneau weather in November.
Comparing the weather in July and December reveals striking contrasts. July experiences milder temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), along with substantial precipitation totaling 164 mm (6.5 in) over 18 days. In contrast, December is characterized by much colder conditions, with temperatures dropping to a minimum of -24°C (-10°F) and averaging -2°C (28°F), while the maximum reaches only 10°C (50°F). December also sees a higher precipitation level of 292 mm (11.5 in) over 22 days, though the humidity remains slightly lower at 96%. For more detailed information, visit Juneau weather in December.
July in Juneau is a vibrant month of transition, marking the peak of summer with its warmer temperatures and a lively atmosphere. Unlike the cooler months, July enjoys average highs around 13°C, allowing for outdoor activities and exploration of the stunning landscapes. However, it also brings higher humidity levels and frequent rain, with precipitation recorded on 18 days, ensuring the lush green surroundings remain vibrant. As you revel in the beauty of July, remember that it sets itself apart from other months, combining warmth with a characteristic Alaskan charm. For a comprehensive look at what to expect throughout the year, visit Juneau Climate.