February Weather in Mill Valley, United States

Last updated: February 24, 2025

During February in Mill Valley, United States, temperatures exhibit a pleasant range, with maximums reaching up to 23°C (73°F) and averages hovering around 11°C (52°F). The cooler nights dip down to a minimum of 2°C (35°F), providing a refreshing contrast. This month receives a moderate precipitation total of 116 mm (4.6 in) across approximately 8 rainy days. Additionally, the humidity level sits at a noteworthy 82%, contributing to a lush, vibrant landscape as winter transitions into spring.

February Temperature in Mill Valley

In February, Mill Valley experiences a gentle transition into spring, with temperatures gradually rising from the chill of winter. The month starts with a minimum of 2°C (35°F) and an average high that remains steady at 23°C (73°F), mirroring the peaks of January. This slight uptick in average temperatures to 11°C (52°F) signals the approach of warmer days, while the consistent maximum encourages outdoor exploration. As the month progresses, the region begins to shed its winter coat, trending towards the milder, more inviting weather of March, which promises even warmer temperatures. Overall, February serves as a bridge between the cooler winter months and the bloom of spring, setting the stage for the more dynamic weather ahead.

February Weather in Mill Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Mill Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515253575963636465625551
Data source: Temperature data for Mill Valley generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Mill Valley

In February, Mill Valley experiences a slight increase in precipitation compared to January, with 116 mm (4.6 in) of rain falling over 8 days. This uptick reflects the region's tendency toward wetter conditions as winter progresses, leading to lush landscapes that rejuvenate local vegetation. Continuing into March, new trends emerge as precipitation decreases significantly to 80 mm (3.1 in), signaling the beginning of the dry spell that characterizes the spring months. Overall, February sets the stage for a transition into lighter rainfall, while still capturing the essence of Mill Valley's vibrant winter weather.

February Precipitation Trends in Mill Valley

The chart displays monthly precipitation patterns in Mill Valley, with values for each month alongside February's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1111168035202212304898
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Mill Valley

In February, Mill Valley experiences a subtle decline in humidity, dipping to 82%, a slight decrease from January's 85%. This trend suggests a gradual easing of moisture in the air as winter gives way to spring. Despite this minor reduction, February's humidity remains on par with March's levels, indicating a consistent, mild atmosphere that characterizes the region during these transitional months. Overall, humidity levels in Mill Valley exhibit a gentle ebb and flow, with a noticeable rise in the summer months, peaking at 87% in both July and August. This creates a lush and vibrant environment, particularly following the cooler, misty winter.

February Average Humidity in Mill Valley

This chart illustrates the average monthly humidity levels in Mill Valley, with February's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how February's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%82%79%83%84%87%87%86%80%79%79%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Mill Valley

In February, Mill Valley experiences an increase in the UV Index, reaching a moderate level of 5, which matches the exposure risk from January. During this month, the burn time remains steady at 30 minutes, allowing for some sun enjoyment while still requiring protection. As we transition into March, a noticeable upward shift occurs, with the UV Index soaring to 8. This trend signals a shift towards very high exposure risk, with subsequent months intensifying even further. Staying informed is crucial, so keep an eye on the UV levels for safe outdoor activities. For more detailed information, visit Mill Valley UV Index.

Maximum UV Index Levels in Mill Valley for February

The chart shows the monthly maximum UV Index (UVI) for Mill Valley in February, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Mill Valley February UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

February Sunshine in Mill Valley

February shines brightly in Mill Valley, boasting 215 hours of sunshine, a delightful increase from January's 148 hours. As winter recedes, the days grow longer and sunnier, setting the perfect tone for the vibrant spring ahead. This trend continues into March, where sunshine escalates to 263 hours, further amplifying the invigorating spirit of outdoor activities. The steady climb continues into the following months, with April basking in 299 hours and May reaching a promising 356 hours. The gradual ascent of daylight not only signals a shift in season but also enhances the sense of community as residents embrace the warmth of Mill Valley's stunning landscapes.

Monthly Sunshine Duration in Mill Valley: February Highlighted

The February sunshine duration represents the total number of hours Mill Valley experiences direct sunlight during the month of February, excluding cloudy or obstructed periods. This chart compares the sunshine duration of February with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec148h215h263h299h356h378h386h348h312h280h224h191h
Data source: Mill Valley February Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mill Valley During February

Sunny days are on the rise in Mill Valley during February, with the likelihood of sunshine increasing to 56% compared to the previous month. This marks a notable improvement as winter begins to wane, hinting at the more vibrant spring ahead. March continues this trend with an even brighter 63% chance of sun, paving the way for the sunny days of April and May, which boast percentages above 60%. This shift from the cooler, cloudier months highlights a transition to more favorable weather patterns, making February an appealing time for outdoor adventures as daylight begins to expand. As the seasons change, Mill Valley offers a refreshing embrace of sun after the darker winter days.

Percentage of Sunny Days in February in Mill Valley

The chart illustrates the percentage of sunny days in Mill Valley throughout the year, with February highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Mill Valley experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%56%63%66%75%65%51%60%62%52%42%30%
Data source: Mill Valley February chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mill Valley in February

In Mill Valley, United States, February marks a significant transition in daylight duration, with the day length extending to 10 hours—an increase from January's 9 hours. This upward trend in sunlight heralds the approach of spring, ensuring brighter days as we move into March, which boasts 11 hours of daylight. As the year progresses, the daylight hours continue to stretch, peaking at 14 hours during the summer months, before gradually tapering off in the fall. February's longer days lay the groundwork for these seasonal changes, offering residents a refreshing glimpse of the sun’s return after the winter months.

Average Daylight Hours in Mill Valley for February

The chart illustrates the variation in daylight duration in Mill Valley throughout the year, with February highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 51m10h 47m11h 59m13h 12m14h 14m14h 44m14h 27m13h 32m12h 22m11h 9m10h 5m9h 33m
Data source: Mill Valley daylight hours, calculated by summing the hours between sunrise and sunset for each day.

February Winds in Mill Valley

In February, Mill Valley experiences a noticeable uptick in wind speed, averaging 3.4 m/s (8 mph), a step up from January's gentle breezes of 2.8 m/s (6 mph). This increase heralds the onset of spring's arrival, as the winds strengthen yet remain pleasant, setting the stage for the warmer months ahead. While March sees a slight rise to 3.6 m/s (8 mph), it’s in May that wind speeds peak at 4.8 m/s (11 mph), showcasing a consistent upward trend as the seasons shift. The winds of February serve as a gentle reminder that nature is beginning to stir, inviting residents and visitors alike to enjoy the crisp air and vibrant landscapes that accompany this transition.

Average February Wind Speed in Mill Valley

The chart displays monthly wind speed patterns in Mill Valley, with values for each month shown alongside February's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how February's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.4 m/s3.64.14.84.43.83.53.13.22.23.2
Data source: Mill Valley February wind data, generated using information from the Copernicus Climate Change Service.

How February Weather in Mill Valley Compares to Other Months

The weather in Mill Valley changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of February'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.

When comparing the weather in February to January, we can see some notable differences. February typically has slightly warmer temperatures, with a minimum of 2°C (35°F) compared to January's 0°C (33°F), while the average temperature remains consistent at around 11°C (52°F). Both months experience maximum temperatures reaching 23°C (73°F). In terms of precipitation, February sees a marginal increase with 116 mm (4.6 in) over 8 days, compared to January's 111 mm (4.4 in) during the same number of days. Humidity levels are also slightly lower in February at 82%, compared to 85% in January. For more detailed information on January weather, you can check Mill Valley weather in January.

February and March exhibit a mild transition in weather conditions. February sees minimum temperatures around 2°C (35°F) and maximums peaking at 23°C (73°F), while March offers slightly warmer averages, with minimums of 4°C (39°F) and maximums reaching 24°C (75°F). Precipitation decreases from 116 mm (4.6 in) in February to 80 mm (3.1 in) in March, although March experiences rainfall over one more day (10 days compared to February's 8). Interestingly, both months maintain the same humidity level of 82%, contributing to a generally damp atmosphere. For more detailed insights, check out Mill Valley weather in March.

February typically experiences cooler temperatures compared to April, with minimums around 2°C (35°F) and maximums reaching 23°C (73°F). In contrast, April sees slightly warmer temperatures, with minimums of 4°C (40°F) and maximums peaking at 28°C (83°F). February also brings more precipitation, averaging 116 mm (4.6 in) over about 8 days, while April is drier, with only 35 mm (1.4 in) of rain over 5 days. Humidity levels are slightly higher in February at 82%, compared to 79% in April. For a more detailed look at April's climate, you can visit Mill Valley weather in April.

In February, temperatures range from a chilly minimum of 2°C (35°F) to a mild maximum of 23°C (73°F), with an average of 11°C (52°F). The month experiences considerable rainfall, averaging 116 mm (4.6 in) over approximately 8 days, resulting in high humidity levels of around 82%. In contrast, May brings warmer conditions, with temperatures varying from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), and an average temperature of 15°C (60°F). Precipitation drops significantly to just 20 mm (0.8 in) across 2 days, while humidity remains relatively consistent at 83%. For more details on the weather in May, you can check this Mill Valley weather in May.

February and June exhibit striking differences in weather patterns. In February, temperatures range from a chilly minimum of 2°C (35°F) to a comfortable maximum of 23°C (73°F), with an average of 11°C (52°F). This month also sees a significant amount of precipitation, with 116 mm (4.6 in) falling over about 8 days, alongside a humidity level of 82%. In contrast, June boasts warmer temperatures, with a minimum of 10°C (51°F), an average of 17°C (63°F), and a maximum of 32°C (90°F). Moreover, June is noticeably drier, experiencing only 2 mm (0.1 in) of precipitation and no rainy days, while maintaining a slightly higher humidity of 84%. For a closer look at June weather, check out Mill Valley weather in June.

When comparing the weather in February and July, there are significant differences. February experiences cooler temperatures, with a minimum of 2°C (35°F) and an average of 11°C (52°F), peaking at a maximum of 23°C (73°F). Additionally, February sees much more precipitation, averaging 116 mm (4.6 in) over about 8 rainy days, and a humidity level of 82%. In stark contrast, July offers much warmer temperatures, ranging from a minimum of 11°C (52°F) to a maximum of 30°C (87°F), with a pleasant average of 17°C (63°F). Rainfall is minimal in July, with only 2 mm (0.1 in) and no rainy days, while humidity increases slightly to 87%. For more detailed information, check out Mill Valley weather in July.

February and August present a stark contrast in weather conditions. In February, temperatures range from a chilly minimum of 2°C (35°F) to a pleasant maximum of 23°C (73°F), with an average of 11°C (52°F). This month is also marked by significant rainfall, receiving about 116 mm (4.6 in) over 8 days, contributing to a high humidity level of 82%. In contrast, August boasts warmer temperatures, with a minimum of 11°C (52°F) and a maximum reaching up to 32°C (90°F), averaging around 18°C (64°F). Notably, August is dry, experiencing only 1 mm (0.1 in) of precipitation and with no rainy days, accompanied by humidity levels slightly higher at 87%. For more detailed information about August weather, check out Mill Valley weather in August.

February and September present distinct weather patterns, with February characterized by cooler temperatures ranging from a minimum of 2°C (35°F) to a maximum of 23°C (73°F) and an average of 11°C (52°F). This month sees regular precipitation, with about 116 mm (4.6 in) falling over 8 days and humidity levels around 82%. In contrast, September experiences a noticeable warming trend, with temperatures starting at a minimum of 9°C (49°F) and peaking at 36°C (98°F), averaging 18°C (65°F). This month is nearly precipitation-free, with only 2 mm (0.1 in) recorded, and the humidity slightly higher at 86%. For a detailed look at the weather in September, check Mill Valley weather in September.

February and October present contrasting weather experiences. In February, temperatures range from a chilly minimum of 2°C (35°F) to a warmer maximum of 23°C (73°F), with an average of 11°C (52°F). This month also sees significant precipitation, totaling 116 mm (4.6 in) over about 8 days, contributing to a higher humidity level of 82%. In contrast, October enjoys a milder climate with minimum temperatures around 6°C (44°F) and maximums reaching 31°C (88°F), averaging 16°C (62°F). Moreover, October is notably drier, with only 30 mm (1.2 in) of precipitation over just 2 days and a humidity level of 80%. For a closer look at weather conditions, check Mill Valley weather in October.

When comparing February and November weather, both months present mild temperatures, but November tends to be slightly warmer. February experiences a minimum temperature of 2°C (35°F) and an average of 11°C (52°F), with maximums reaching 23°C (73°F). In contrast, November has a minimum of 3°C (37°F) and an average of 13°C (55°F), with highs up to 25°C (77°F). In terms of precipitation, February is notably wetter, receiving 116 mm (4.6 in) over 8 days, while November sees only 48 mm (1.9 in) over 5 days. Humidity levels are similar, with February at 82% and November slightly lower at 79%. For more specific details on November weather, visit Mill Valley weather in November.

February and December in Mill Valley exhibit similar temperature patterns, with February experiencing slightly warmer conditions overall. February's minimum temperature averages at 2°C (35°F), while December's minimum is marginally higher at 3°C (38°F). The average temperatures are also close, with February averaging 11°C (52°F) and December at 10°C (51°F). Precipitation levels are notably higher in February, with 116 mm (4.6 inches) over 8 days compared to December's 98 mm (3.9 inches) over 9 days, indicating that February is generally wetter. Humidity is also slightly higher in February at 82% compared to December's 79%. For more detailed information on December weather, you can check Mill Valley weather in December.

Compare Mill Valley's Climate with Cities Worldwide

Conclusion: What to Expect From February Weather in Mill Valley

In February, Mill Valley experiences a unique blend of mild temperatures and increased precipitation that sets it apart from the other months of the year. With maximum highs reaching a comfortable 23°C, the average temperature hovers around a cool 11°C, while chilly nights can dip to as low as 2°C. February is characterized by higher humidity levels at 82%, often bringing gentle rains that accumulate to about 116 mm over roughly 8 rainy days. This combination of warmth and moisture invites the lush greenery of the region to spring to life, making it an enchanting time to experience the beauty of Mill Valley. For more insights on the annual climate patterns, visit Mill Valley Climate.