Last updated: February 24, 2025
In Mill Valley, United States, June brings pleasantly warm temperatures, with a maximum reaching up to 32°C (90°F) and an average of 17°C (63°F). Residents and visitors enjoy comfortable conditions, as the month experiences minimal rainfall, with only 2 mm (0.1 in) of precipitation recorded on zero days. The atmosphere is characterized by high humidity levels at 84%, creating a warm and inviting environment perfect for outdoor activities. Whether strolling through the scenic parks or exploring the local culture, June in Mill Valley offers a delightful blend of warmth and serenity.
In June, Mill Valley experiences a delightful shift towards warmer weather, where temperatures begin to truly reflect the arrival of summer. The month starts with a minimum temperature of 10°C (51°F), rising sharply to an average of 17°C (63°F) and reaching a comforting maximum of 32°C (90°F). This trend highlights a significant increase compared to the preceding months, with June showcasing the highest maximum temperatures of the season so far. As the sunshine becomes more abundant, the mild evenings invite outdoor activities, making it a perfect time to enjoy the natural beauty of Mill Valley. The gradual warmth not only beckons locals to bask in the sun but also marks a vibrant transition into the summer months.
In June, Mill Valley experiences a significant dip in precipitation, with a mere 2 mm (0.1 in) recorded, marking one of the driest months of the year. This decline follows a gradual decrease from the winter months, where January and February see 111 mm (4.4 in) and 116 mm (4.6 in) of rain, respectively. By the time June arrives, the region has transitioned from wetter spring conditions, which peak in March with 80 mm (3.1 in) of rainfall, to a near drought-like state, with 0 days of measurable rain. This trend continues into July and August, where precipitation remains minimal at just 2 mm and 1 mm, respectively. As the summer unfolds, Mill Valley enjoys prolonged dry spells, setting the stage for a stark contrast when autumn returns, renewing the cycle of rain and moisture.
In June, Mill Valley experiences a notable humidity level of 84%, which reflects a slight increase from the previous month's 83%. This month serves as a transitional phase, bridging the drier spring months with the more humid summer ahead. As temperatures rise into July and August, humidity levels will climb further to 87%, typical of the region’s warm summer months. Overall, Mill Valley's humidity trends show a gradual decline from the higher levels in winter, while still remaining relatively high throughout the year, especially from June to August. This consistent humidity can contribute to the lush, green landscapes the area is known for, making it a picturesque summer destination.
In Mill Valley, June marks a significant peak in UV exposure, with an intense UV Index of 11, categorized as extreme. This dramatic spike follows a steady increase throughout the spring months, where the UV Index rises from a moderate level of 3 in January to an alarming 10 in May. As summer approaches, the risk of sunburn decreases from the earlier burn times of 30 minutes in the winter to just 10 minutes by June. This trend emphasizes the importance of sun protection as the sun’s intensity escalates. Residents and visitors alike should stay vigilant during this period to safely enjoy the outdoors. For more insights on UV levels throughout the year, check out Mill Valley UV Index.
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As summer approaches, Mill Valley basks in the warm embrace of June, enjoying 378 hours of glorious sunshine. This month marks a delightful peak in daylight hours, following a steady rise from 148 hours in January to a vibrant 356 hours in May. The upward trend continues, illustrating how the days lengthen and sunlight becomes more abundant as we transition into summer. July slightly outshines June with 386 hours of sun, but June's bright days herald the arrival of long, leisurely evenings. As summer unfolds, the sunshine serves as a reminder to embrace the natural beauty and the vibrant energy that defines this picturesque community.
In Mill Valley, June presents a promising opportunity for sunny weather, with a 65% chance of sunshine. This figure showcases a notable decline from the peak of 75% in May, suggesting that while the summer warmth is still very much present, it's preparing to transition into the more variable conditions typical of July and August, which have lower probabilities of sun at 51% and 60% respectively. The upward trend from the darker winter months shows a gradual increase in sunny days, peaking mid-spring, and while June may not deliver the highest sun odds, it remains a reliable choice for enjoying pleasant outdoor activities before the sunniest days of summer arrive.
In June, Mill Valley basks in approximately 14 hours of daylight, mirroring the preceding month of May. This peak in daylight not only highlights the arrival of summer but also emphasizes a gradual increase from a mere 9 hours in January. As the year progresses, daylight hours steadily lengthen, creating an inviting atmosphere for outdoor activities and exploration. Following June, daylight begins to taper off slightly, yet it remains abundant through July, only to gradually descend as autumn approaches. This consistent trend underscores the beauty of Mill Valley’s seasonal transitions, where the envelope of light expands and contracts in perfect harmony with nature's cycles.
In June, Mill Valley experiences an average wind speed of 4.4 m/s (10 mph), marking a slight decrease from the more blustery May, which recorded 4.8 m/s (11 mph). As the warm summer approaches, this gentle wind creates a pleasant atmosphere, perfect for outdoor activities. Over the past months, the wind speed has generally been on an upward trend from January to May, peaking in April and May, before beginning a seasonal decline into the warmer summer months. The following months, July and August, are characterized by milder breezes, typically around 3.8 m/s (9 mph) and 3.5 m/s (8 mph), which contribute to the region's idyllic summer charm. This patterns reinforce the transition into the calmer, more serene days of summer in the breathtaking landscape of Mill Valley.
The weather in Mill Valley changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Mill Valley and find detailed weather information for every month.
In June, the weather in Mill Valley is characterized by warm temperatures, with a minimum of 10°C (51°F) and an average of 17°C (63°F), peaking at a maximum of 32°C (90°F). This month boasts remarkably low precipitation, only 2 mm, and typically sees no rainy days, contributing to a comfortable humidity level of 84%. In contrast, January experiences much cooler temperatures, with a minimum of 0°C (33°F), an average of 10°C (51°F), and a maximum of 23°C (73°F). This winter month is considerably wetter, receiving 111 mm of precipitation over about 8 days, and the humidity hovers at a similar level of 85%. For a more detailed look at January conditions, check out Mill Valley weather in January.
June and February present contrasting weather patterns, reflecting the shift from winter to summer. In June, temperatures range from a minimum of 10°C (51°F) to a maximum of 32°C (90°F), with an average of 17°C (63°F) and minimal precipitation, only 2 mm over the month and no rainy days, contributing to a relatively dry and warm atmosphere with a humidity of 84%. In stark contrast, February features cooler temperatures that range from a minimum of 2°C (35°F) to a maximum of 23°C (73°F), with an average of 11°C (52°F). This month is much wetter, receiving 116 mm (4.6 in) of rainfall spread over 8 days, while maintaining a similar humidity level of 82%. For more details on the February climate, check out Mill Valley weather in February.
When comparing the weather in June and March, it's evident that June is significantly warmer and drier. June typically experiences temperatures ranging from a minimum of 10°C (51°F) to a maximum of 32°C (90°F), with an average of 17°C (63°F) and almost no precipitation at just 2 mm (0.1 in) over 0 days. In contrast, March has cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 24°C (75°F), averaging around 12°C (54°F). March also sees a substantial amount of rainfall, totaling 80 mm (3.1 in) over 10 days. Humidity levels are relatively similar, with June at 84% and March at 82%. For more detailed information, you can check Mill Valley weather in March.
June typically offers warmer temperatures compared to April, with average highs reaching 32°C (90°F) and lows around 10°C (51°F) in June. In contrast, April's temperatures are milder, peaking at 28°C (83°F) and dipping to a minimum of 4°C (40°F). Additionally, June boasts significantly lower precipitation, recording only 2 mm (0.1 in) over no rainy days, while April experiences 35 mm (1.4 in) of precipitation across five days. The humidity in June is slightly higher at 84%, compared to 79% in April. For more detailed insights, check out Mill Valley weather in April.
When comparing the weather in May and June, it's clear that June tends to be warmer, with average temperatures reaching 17°C (63°F) compared to May's average of 15°C (60°F). June also records a higher maximum temperature of 32°C (90°F) against May's peak of 30°C (86°F). Notably, June experiences significantly less precipitation, with only 2 mm (0.1 in) and no rainy days, while May sees 20 mm (0.8 in) of rain over two days. Humidity remains fairly consistent, with June at 84% and May at 83%. For more details on the weather conditions during this time, you can refer to Mill Valley weather in May.
In comparing the weather between June and July, we see similar patterns but slight variations. June boasts a minimum temperature of 10°C (51°F) and a maximum of 32°C (90°F), while July starts slightly warmer with a minimum of 11°C (52°F) and a maximum of 30°C (87°F). Both months experience minimal precipitation, with just 2 mm (0.1 in) recorded over 0 days, indicating a dry spell. Humidity levels are notably higher in July at 87%, compared to June's 84%. For those interested in detailed comparisons, you can explore Mill Valley weather in July.
June and August present a relatively similar climate, characterized by warm temperatures and low precipitation. In June, the temperature ranges from a minimum of 10°C (51°F) to a maximum of 32°C (90°F), with an average of 17°C (63°F) and no recorded rainfall. August slightly nudges up the temperature, with a minimum of 11°C (52°F) and an average of 18°C (64°F), yet still maintains the same maximum of 32°C (90°F). Both months experience very light precipitation—2 mm in June and 1 mm in August—while humidity levels rise marginally from 84% in June to 87% in August. For more details, you can refer to Mill Valley weather in August.
When comparing the weather between June and September, both months showcase mild temperatures with relatively little precipitation. June typically records a minimum of 10°C (51°F) and an average of 17°C (63°F), with a maximum reaching up to 32°C (90°F). In contrast, September has a slightly lower minimum of 9°C (49°F) but a higher average of 18°C (65°F), with maximum temperatures soaring to 36°C (98°F). Humidity levels are comparable, with June at 84% and September slightly higher at 86%. Interestingly, both months experience negligible rainfall, with only 2 mm (0.1 in) and no recorded rainy days. For a more detailed look at September's weather, you can visit Mill Valley weather in September.
June and October weather exhibit notable differences despite their proximity in the calendar year. June typically features a wider temperature range, with minimums around 10°C (51°F) and maximums soaring to 32°C (90°F), resulting in an average of 17°C (63°F). It boasts minimal precipitation, with only 2 mm and no rainy days, coupled with relatively high humidity at 84%. In contrast, October shows cooler temperatures, with minimums dropping to 6°C (44°F) and a slightly lower average of 16°C (62°F), but still reaching a warm maximum of 31°C (88°F). Additionally, October experiences more rainfall, accumulating 30 mm over two days and a slight decrease in humidity to 80%. For a closer look at specific October weather patterns, check out Mill Valley weather in October.
June and November present contrasting weather patterns, highlighting the transition from early summer to late autumn. In June, temperatures range from a cool 10°C (51°F) at night to a warm 32°C (90°F) during the day, with the month experiencing minimal precipitation and high humidity at 84%. In contrast, November sees cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 25°C (77°F), accompanied by more substantial rainfall totaling 48 mm (1.9 in) over approximately five days. The humidity in November is slightly lower at 79%. For a detailed overview of the weather in this month, check out Mill Valley weather in November.
June and December offer contrasting weather experiences. In June, temperatures range from a comfortable minimum of 10°C (51°F) to a warm maximum of 32°C (90°F), with an average of 17°C (63°F). The month is notably dry, with only 2 mm (0.1 in) of precipitation and a humidity level of 84%. In contrast, December sees cooler temperatures, with a minimum of 3°C (38°F), an average of 10°C (51°F), and a maximum of 22°C (72°F). This month also experiences significantly higher precipitation, totaling 98 mm (3.9 in) across 9 days, alongside a slightly lower humidity of 79%. For more detailed information, you can check Mill Valley weather in December.
June in Mill Valley offers a delightful transition into summer, characterized by warm temperatures and low precipitation. Unlike the wetter months that precede it, June boasts zero rainy days, allowing for plenty of opportunities to enjoy the outdoors. With average highs reaching a pleasant 32°C (90°F) and comfortable lows around 10°C (51°F), the weather is ideal for hiking or exploring the scenic surroundings. The humidity, while relatively high at 84%, is often balanced by the coastal breezes, creating a refreshing atmosphere. To explore more about how Mill Valley’s weather varies throughout the year, visit Mill Valley Climate.