February Weather in Half Moon Bay, United States

Last updated: February 24, 2025

In Half Moon Bay, February brings a mild maritime climate with maximum temperatures reaching 20°C (69°F) and maintaining an average of 11°C (53°F). Residents and visitors can expect cooler nights with minimum temperatures dipping to 5°C (41°F). This month experiences a notable rainfall, totaling 101 mm (4.0 in) across approximately 9 days, contributing to a relatively high humidity level of 82%. The combination of moderate temperatures and increased precipitation creates a unique and refreshing atmosphere, ideal for exploring the stunning coastal scenery and vibrant local flora during this transitional period.

February Temperature in Half Moon Bay

In February, Half Moon Bay experiences a pleasant coastal climate, with temperatures mirroring those of January. The minimum temperature holds steady at around 5°C (41°F), while the average remains a mild 11°C (53°F). Maximum temperatures see a slight increase, reaching up to 20°C (69°F), suggesting a hint of warming as the region moves towards spring. This consistency in February temperatures contributes to the area's charm, creating an inviting atmosphere for visitors and locals alike. As the months progress into March, temperatures begin to rise further, indicating an upward trend that promises the warmth and vibrancy of early spring.

February Weather in Half Moon Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Half Moon Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525253545558586062595653
Data source: Temperature data for Half Moon Bay generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Half Moon Bay

February in Half Moon Bay brings consistent precipitation, with 101 mm (4.0 in) of rain recorded over 9 days, mirroring January’s slightly higher total. This late winter month exemplifies the culmination of the region’s moist winter conditions, as the rainfall paves the way for the lush spring landscape that follows. The steady precipitation pattern hints at the transition period before the drier months set in, with a significant drop in rainfall anticipated in March, where totals decrease to 77 mm (3.0 in). As February concludes, residents can expect milder, yet persistent rainfalls, further establishing the climatic rhythm of Half Moon Bay.

February Precipitation Trends in Half Moon Bay

The chart displays monthly precipitation patterns in Half Moon Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1021017834224333274892
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in Half Moon Bay

In February, Half Moon Bay experiences a slight dip in humidity, averaging 82%, down from the more humid 85% recorded in January. This trend of gradually decreasing humidity continues into March, maintaining the same level as February, signaling a transition towards drier spring months. As the seasons shift, humidity levels are expected to further decline, with April offering a more comfortable 79%. Overall, February marks a pivotal point in the year, where the coastal air begins to hint at the upcoming changes, providing a refreshing contrast to the winter months while still preserving that characteristic coastal mist.

February Average Humidity in Half Moon Bay

This chart illustrates the average monthly humidity levels in Half Moon Bay, 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 Half Moon Bay

In February, Half Moon Bay experiences a UV Index of 5, categorized as moderate, which maintains the same burn time of 30 minutes as in January. This consistent exposure level is a gentle reminder of the increasing intensity of the sun as winter wanes. As spring approaches, the UV Index is set to rise sharply, with March bringing an 8 and transitioning swiftly to very high levels in the subsequent months, peaking at 11 in June and July. Visitors and residents alike should remain aware of these trends when planning outdoor activities. For more detailed information about local UV conditions, check out the Half Moon Bay UV Index.

Maximum UV Index Levels in Half Moon Bay for February

The chart shows the monthly maximum UV Index (UVI) for Half Moon Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Half Moon Bay 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 Half Moon Bay

February is a delightful transition month in Half Moon Bay, boasting 216 hours of sunshine, a notable increase from January's 151 hours. As winter whispers its last goodbyes, the promise of longer days begins to emerge, setting the stage for the upcoming brilliance of spring. This trend of increasing sunlight continues, with each subsequent month leading to a crescendo of brightness, peaking in June with a remarkable 355 hours. By March, the region further embraces the sunny disposition, offering 263 hours that herald the arrival of warmer days. February's sunshine not only brightens the landscape but also invigorates the spirit, making it a promising prelude to the lush months ahead.

Monthly Sunshine Duration in Half Moon Bay: February Highlighted

The February sunshine duration represents the total number of hours Half Moon Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec151h216h263h296h341h355h349h320h299h276h225h194h
Data source: Half Moon Bay February Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Half Moon Bay During February

In Half Moon Bay, February brings a notable shift in sunny weather, with the chance of sun reaching 56%, a significant increase compared to January’s 39%. This trend continues into March, where the likelihood of sunshine rises to 60%. As winter gives way to spring, February stands out as a promising month, offering more sunny days than many others in the first half of the year, including April’s 44% and June’s 45%. This increase suggests a gradual transition towards a sunnier and more inviting climate, making February an appealing time for outdoor activities in this picturesque coastal town.

Percentage of Sunny Days in February in Half Moon Bay

The chart illustrates the percentage of sunny days in Half Moon Bay 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 Half Moon Bay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%56%60%44%57%45%30%43%47%50%43%35%
Data source: Half Moon Bay February chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Half Moon Bay in February

In February, Half Moon Bay welcomes a delightful increase in daylight, extending to an invigorating 10 hours. This change marks a turning point as the days grow noticeably longer, laying the groundwork for the impending spring. Following the 9 hours of daylight in January, February's rise heralds the gradual transition into a season characterized by brightening skies. As the months progress, daylight continues to expand, peaking at 14 hours in both May and June, before gradually tapering off again in the fall. This gradual shift not only enhances the outdoor experience but also invigorates the community, inviting residents and visitors alike to revel in the longer, sunnier days ahead.

Average Daylight Hours in Half Moon Bay for February

The chart illustrates the variation in daylight duration in Half Moon Bay throughout the year, with February highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 54m10h 49m11h 59m13h 11m14h 11m14h 41m14h 25m13h 31m12h 22m11h 10m10h 8m9h 36m
Data source: Half Moon Bay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

February Winds in Half Moon Bay

In February, Half Moon Bay experiences a noticeable uptick in wind speed, averaging 4.3 m/s (10 mph), a subtle increase from January's gentle breezes. This month sets the stage for a trend of slightly stronger winds that will continue into April, with only a minor dip in March. As spring approaches, the coastal gusts tend to pick up, peaking in May with an average of 5.4 m/s (12 mph). This seasonal shift not only invigorates the landscape but also marks a transitional phase where winter's calm winds give way to the vibrant energy of the upcoming months. With February's breezy allure, it's the perfect time to embrace the outdoors and enjoy the fresh, invigorating air that characterizes this beautiful coastal town.

Average February Wind Speed in Half Moon Bay

The chart displays monthly wind speed patterns in Half Moon Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.54.3 m/s4.24.55.44.33.43.33.13.83.04.1
Data source: Half Moon Bay February wind data, generated using information from the Copernicus Climate Change Service.

How February Weather in Half Moon Bay Compares to Other Months

The weather in Half Moon Bay 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 Half Moon Bay and find detailed weather information for every month.

When comparing the weather in February to that of January, we can observe that both months have similar temperature ranges, with a minimum of 5°C (41°F) and an average temperature of 11°C (53°F). The maximum temperature in February reaches 20°C (69°F), slightly higher than January's 20°C (68°F). Precipitation levels remain nearly identical, with February recording 101 mm (4.0 in) and January slightly higher at 102 mm (4.0 in). Both months experience rainfall on about 9 days, but February has a slightly lower humidity average of 82% compared to January's 85%. For a more detailed look at the weather during January, you can refer to Half Moon Bay weather in January.

February and March show a gradual shift in weather characteristics, with both months experiencing relatively mild temperatures. In February, temperatures range from a minimum of 5°C (41°F) to a maximum of 20°C (69°F), with an average of 11°C (53°F). In contrast, March sees slightly warmer conditions, with minimum temperatures of 7°C (44°F) and a maximum of 19°C (67°F), averaging 12°C (53°F). Precipitation is lower in March, totaling 77 mm (3.0 in) over 11 days compared to February's 101 mm (4.0 in) over 9 days. Humidity remains consistent at 82% for both months, contributing to a moist atmosphere. For more details, you can check Half Moon Bay weather in March.

February and April showcase distinct weather characteristics that highlight the transition from winter to spring. In February, temperatures range from a low of 5°C (41°F) to a high of 20°C (69°F), with an average of 11°C (53°F). This month sees considerable precipitation, with 101 mm (4.0 in) falling over 9 days and humidity peaking at 82%. In contrast, April enjoys slightly warmer temperatures, with a minimum of 7°C (45°F) and a maximum reaching 25°C (78°F), resulting in an average of 12°C (55°F). Additionally, April experiences much less rainfall, with only 34 mm (1.3 in) over 5 days and a humidity level of 79%. For more specific details, you can check out Half Moon Bay weather in April.

February and May present contrasting weather patterns, showcasing the transition from winter to spring. In February, temperatures range from a minimum of 5°C (41°F) to a maximum of 20°C (69°F), with an average of 11°C (53°F). This month is also marked by significant rainfall, totaling 101 mm (4.0 in) over approximately 9 days, coupled with high humidity levels at 82%. In contrast, May offers milder temperatures, with minimum and maximum readings of 9°C (48°F) and 21°C (69°F), respectively, and an average of 13°C (56°F). Precipitation is notably less in May, with just 22 mm (0.9 in) over 2 days, while humidity remains similar at 83%. For more detailed insights about the weather in May, you can visit Half Moon Bay weather in May.

February and June present contrasting weather experiences. In February, temperatures range from a minimum of 5°C (41°F) to a maximum of 20°C (69°F), with an average of 11°C (53°F). This month is characterized by relatively high precipitation of 101 mm (4.0 in) over 9 days, contributing to a humidity level of 82%. In contrast, June enjoys milder temperatures, with a minimum of 10°C (51°F) and a maximum of 27°C (81°F), averaging 15°C (58°F). Remarkably, June boasts minimal precipitation at just 4 mm (0.2 in) and has no rainy days, coupled with a slightly higher humidity of 84%. For more details about what to expect, you can check the weather specifics at Half Moon Bay weather in June.

February and July weather in Half Moon Bay exhibit notable differences. February experiences mild temperatures with a minimum of 5°C (41°F) and a maximum of 20°C (69°F), accompanied by significant precipitation of 101 mm (4.0 in) spread across 9 days, resulting in an average humidity of 82%. In contrast, July offers a warmer range, with minimum temperatures around 11°C (51°F) and a consistent maximum at 20°C (69°F), but it boasts drastically lower precipitation levels of just 3 mm (0.1 in) over the entire month and humidity at 87%. For a closer look at July's weather specifics, you can refer to Half Moon Bay weather in July.

February and August weather exhibit notable differences. In February, the temperatures range from a minimum of 5°C (41°F) to a maximum of 20°C (69°F), with an average of 11°C (53°F). This month also sees significant precipitation, measuring 101 mm (4.0 in) over about nine days, with humidity levels at 82%. In contrast, August presents milder conditions, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 24°C (76°F), averaging 16°C (61°F). Notably, August experiences minimal rainfall, with only 3 mm (0.1 in) across no rainy days, and slightly higher humidity at 87%. For a detailed overview of the weather in August, you can explore Half Moon Bay weather in August.

February and September showcase contrasting weather patterns. In February, temperatures range from a low of 5°C (41°F) to a pleasant high of 20°C (69°F), accompanied by significant precipitation of 101 mm (4.0 in) over approximately 9 rainy days, with an average humidity of 82%. In contrast, September enjoys warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 31°C (88°F), but it is remarkably dry, recording only 3 mm (0.1 in) of precipitation and experiencing no rainy days, along with a slightly higher humidity of 86%. For a more detailed look at the weather in this month, you can check out Half Moon Bay weather in September.

February and October present distinctly different weather patterns. February typically sees cooler temperatures, with a minimum of 5°C (41°F) and an average of 11°C (53°F), compared to October's milder conditions, which range from a minimum of 9°C (49°F) and an average of 15°C (60°F). Additionally, February experiences significantly more rainfall, with 101 mm (4.0 in) of precipitation over about 9 days, while October enjoys a drier climate with only 27 mm (1.1 in) of precipitation over just 2 days. Humidity levels are relatively similar, with February at 82% and October slightly lower at 80%. For those interested in a more detailed overview, you can check out Half Moon Bay weather in October.

When comparing the weather in February and November, both months exhibit mild temperatures, but November tends to be slightly warmer overall. February sees a minimum temperature of 5°C (41°F) and an average of 11°C (53°F), with maximums reaching up to 20°C (69°F). In contrast, November starts a bit warmer, with minimums of 7°C (45°F) and averages around 13°C (56°F), peaking at 21°C (70°F). Additionally, February experiences more rainfall, totaling 101 mm (4.0 in) over approximately 9 days, while November has significantly less, measuring 48 mm (1.9 in) across just 5 days. Humidity levels are comparable, with February at 82% and November slightly lower at 79%. For more detailed information, check out Half Moon Bay weather in November.

When comparing February and December weather, both months exhibit relatively mild temperatures, with February showing a minimum of 5°C (41°F) and a maximum of 20°C (69°F), while December has a slightly higher minimum of 6°C (44°F) and a maximum of 19°C (67°F). The average temperatures for both months remain similar at around 11°C (53°F) for February and 12°C (53°F) for December. In terms of precipitation, February is a bit wetter, receiving 101 mm (4.0 in) over approximately 9 days, compared to December's 92 mm (3.6 in) over 10 days. Humidity levels are also comparable, with February at 82% and December slightly lower at 79%. For a more detailed overview, you can check Half Moon Bay weather in December.

Compare Half Moon Bay's Climate with Cities Worldwide

Conclusion: What to Expect From February Weather in Half Moon Bay

As February graces Half Moon Bay, the weather presents a unique blend of mild temperatures and notable moisture, distinguishing it from the more temperate months. With an average temperature around 11°C (53°F), residents and visitors experience a refreshing coolness, while the maximum can reach a pleasant 20°C (69°F). However, don’t forget your umbrella; February is one of the wetter months, averaging 101 mm (4.0 in) of rain over 9 days, contributing to the region's lush landscape. The higher humidity levels at 82% also elevate the coastal chill, making it a time for cozy layers and scenic seaside strolls. For a deeper look into what makes Half Moon Bay's climate unique, check out Half Moon Bay Climate.