March Weather in Mendocino, United States

Last updated: February 24, 2025

Experience March in Mendocino, United States, where the climate presents a delightful mix of cool and refreshing temperatures. Daily highs reach up to 23°C (74°F), while the average hovers around a crisp 10°C (51°F), dipping to a minimum of 2°C (35°F) at night. This month welcomes 108 mm (4.2 in) of rainfall spread over 13 days, creating a lush backdrop for the coastal scenery. With humidity levels at 83%, visitors can expect a refreshing yet invigorating atmosphere, making it an ideal time to explore Mendocino’s breathtaking landscapes and vibrant local culture.

March Temperature in Mendocino

In Mendocino, United States, March welcomes the arrival of spring with mild temperatures that set the stage for the warming months ahead. The month typically experiences a minimum of 2°C (35°F), creeping up to an average of 10°C (51°F), and peaking at a comfortable 23°C (74°F). This slight increase in warmth compared to February signifies a transition as the days get longer and brighter. The overall consistency in average temperatures from January through March, holding steady at around 10°C (50°F), reflects the region's reliable climate. As the landscape begins to bloom, March serves as a precursor to the warmer, sunnier days of April and May, establishing a delightful atmosphere for outdoor activities and exploration amidst Mendocino's stunning natural scenery.

March Weather in Mendocino: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Mendocino, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505051545661636464595350
Data source: Temperature data for Mendocino 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.

March Precipitation in Mendocino

March in Mendocino marks a notable transition in the region's precipitation patterns. With 108 mm (4.2 in) of rainfall over 13 days, it reflects a significant drop from the winter months of January and February, which each saw over 140 mm. This decrease kickstarts a gradual easing into the drier season, as April further diminishes to 60 mm (2.4 in). The trend is clear: March bridges the wetter winter to the markedly drier spring and summer months ahead, highlighting Mendocino's diverse climate and the cyclical nature of its rainfall patterns.

March Precipitation Trends in Mendocino

The chart displays monthly precipitation patterns in Mendocino, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec14813710860432216437297
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Mendocino

In March, Mendocino experiences a moderate humidity level of 83%, marking a slight decline from the 84% recorded in February. This gradual drop in humidity is a part of a broader trend leading into spring, where the coastal town witnesses a steady decrease from the high moisture levels typical of winter months. As the year progresses, humidity continues to trend downward, balancing out to 80% in both April and May, before dipping even further in the summer months. This transition from the damp chill of winter to the pleasantly refreshing spring air not only enhances the region's coastal charm but also sets the stage for the warmer, drier days ahead.

March Average Humidity in Mendocino

This chart illustrates the average monthly humidity levels in Mendocino, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Mendocino

As March unfolds in Mendocino, the UV Index rises to 7, marking a shift to the high exposure category. This increase from February's moderate levels indicates that sun-seekers should be more vigilant, as the recommended burn time decreases to just 25 minutes. The trend suggests that the area is gearing up for sunnier days, with a significant leap in UV intensity as we transition into spring and approach even higher indices in April and May. With each passing month, those venturing outdoors should consider protective measures to enjoy the beautiful coastal environment safely. For more detailed information, visit Mendocino UV Index.

Maximum UV Index Levels in Mendocino for March

The chart shows the monthly maximum UV Index (UVI) for Mendocino in March, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3578111111108643
Data source: Mendocino March 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.

March Sunshine in Mendocino

March heralds a delightful shift in Mendocino, as the days grow longer and more vibrant, offering 261 hours of sunshine. This increase from February's 205 hours showcases the region's transition into spring, as nature awakens from its winter slumber. With each passing month, Mendocino experiences a steady climb in solar warmth, culminating in the peak of summer sunshine, which basks the area in an impressive 386 hours in July. This upward trend not only enhances the region's breathtaking coastal views but also sets the stage for outdoor adventures that flourish as the seasons progress. Embrace the blooming beauty of March, where the sun shines brighter and the days beckon with promise.

Monthly Sunshine Duration in Mendocino: March Highlighted

The March sunshine duration represents the total number of hours Mendocino experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec133h205h261h290h348h376h386h344h302h275h208h175h
Data source: Mendocino March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mendocino During March

As March unfolds in Mendocino, the promise of sunny weather begins to brighten the landscape, boasting a 58% chance of sunshine. This uptick follows a progressive increase through the winter months, where February's 51% forecast hints at the arrival of spring. The trend continues into April, when the likelihood rises to 60%, signaling that outdoor activities and coastal adventures are becoming increasingly feasible. By May, the sun shines even more favorably with a 70% chance, making it the start of the warmest and sunniest period of the year. This progression not only reflects the shift of seasons but also invites residents and visitors alike to embrace the budding warmth and vibrant scenery that Mendocino offers in March.

Percentage of Sunny Days in March in Mendocino

The chart illustrates the percentage of sunny days in Mendocino throughout the year, with March 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 Mendocino experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%52%58%60%70%56%52%63%57%46%40%32%
Data source: Mendocino March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mendocino in March

As March unfolds in Mendocino, the days start to grow noticeably longer, with daylight extending to 11 hours—an encouraging increase from the 10 hours seen in February. This trend marks the beginning of a gradual ascent towards the longer days of spring and summer, highlighting a shift away from winter's shorter daylight hours. Following March, the daylight duration will continue to rise sharply, peaking at 14 hours in June, before tapering off again in the fall. This rhythmic change not only invigorates the landscape but also offers residents and visitors alike an opportunity to enjoy more of Mendocino's stunning natural beauty as the seasons transition.

Average Daylight Hours in Mendocino for March

The chart illustrates the variation in daylight duration in Mendocino throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 44m10h 43m11h 58m13h 15m14h 20m14h 52m14h 34m13h 37m12h 23m11h 6m9h 59m9h 26m
Data source: Mendocino daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Mendocino

As March breezes into Mendocino, the average wind speed hovers around 3.7 m/s (8 mph), just slightly lower than February's 3.9 m/s (9 mph). This gentle wind reflects the transitional nature of spring, creating a refreshing atmosphere that invites outdoor exploration. Following March, the winds begin to pick up in May, reaching an average of 5.0 m/s (11 mph), before gradually settling down again into the summer months. Notably, the wind tends to decrease as the year progresses, with the calmest days observed in September at 2.7 m/s (6 mph). Overall, the trend showcases Mendocino's variable yet mild wind patterns, making it an ideal destination for those who appreciate the simplicity and beauty of nature's breath.

Average March Wind Speed in Mendocino

The chart displays monthly wind speed patterns in Mendocino, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.93.7 m/s3.55.03.73.33.12.73.52.53.2
Data source: Mendocino March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Mendocino Compares to Other Months

The weather in Mendocino changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Mendocino and find detailed weather information for every month.

In comparison to January, March brings slightly warmer temperatures with a minimum of 2°C (35°F), averaging 10°C (51°F), and a maximum of 23°C (74°F). Both months share a similar average temperature, but January has a marginally lower minimum of 1°C (34°F) and a slightly cooler maximum of 21°C (69°F). While March experiences a total precipitation of 108 mm (4.2 in) over 13 rainy days, January has a higher rainfall of 147 mm (5.8 in) across 11 days. Humidity levels also hover closely, with March at 83% and January at 86%. For more detailed insights, you can check Mendocino weather in January.

When comparing the weather in March to February, we see some interesting patterns. March experiences slightly higher minimum temperatures, averaging around 2°C (35°F) compared to February's 0°C (32°F). The average temperature remains stable at 10°C (50°F) for both months, but March reaches a maximum of 23°C (74°F), just below February's peak of 24°C (76°F). In terms of precipitation, March is a bit wetter with 108 mm (4.2 in) over 13 days, while February receives 137 mm (5.4 in) across 11 days. Humidity levels are fairly similar, sitting at 83% in March and 84% in February. For more details on February weather, check out Mendocino weather in February.

March and April exhibit a gradual transition in weather patterns. In March, temperatures range from a minimum of 2°C (35°F) to a mild maximum of 23°C (74°F), with an average of 10°C (51°F). This month also experiences significant precipitation, totaling 108 mm (4.2 in) over 13 days, resulting in a relatively high humidity of 83%. In contrast, April sees slightly warmer conditions, with temperatures fluctuating between a minimum of 4°C (39°F) and an average of 12°C (54°F), while still reaching the same maximum of 23°C (74°F). Rainfall decreases to 60 mm (2.4 in) across just 7 days, bringing the humidity down to 80%. For more insights on what to expect, check out Mendocino weather in April.

In comparing the weather of March and May, we see a notable shift in temperature and precipitation patterns. March experiences cooler temperatures, with a minimum of 2°C (35°F) and an average of 10°C (51°F), while May shows a rise, peaking at a maximum of 26°C (79°F) and averaging 14°C (57°F). Additionally, March is marked by higher precipitation, totaling 108 mm (4.2 in) over 13 days, compared to May's much drier conditions with only 43 mm (1.7 in) over 4 days. While humidity remains relatively high in both months, it slightly decreases from March’s 83% to May’s 80%. For more detailed information on the pleasant weather typical of this time, check out Mendocino weather in May.

March and June showcase contrasting weather patterns, highlighting the transition from spring to summer. In March, temperatures range from a chilly 2°C (35°F) at night to a comfortable 23°C (74°F) during the day, accompanied by significant rainfall of 108 mm (4.2 in) over 13 days. The high humidity level of 83% adds to the dampness of the season. In stark contrast, June brings warmer temperatures, with minimums around 9°C (48°F) and maximums soaring to 31°C (88°F), making it a much drier month with only 2 mm (0.1 in) of precipitation and no rainy days. The humidity also decreases to 76%, making for a drier and more pleasant climate. For more insights, explore Mendocino weather in June.

March and July present strikingly different weather patterns. In March, temperatures range from a chilly minimum of 2°C (35°F) to a comfortable maximum of 23°C (74°F), with an average of 10°C (51°F). This month is also characterized by significant precipitation, with 108 mm (4.2 in) accumulated over approximately 13 rainy days and relatively high humidity at 83%. In contrast, July boasts milder temperatures, with a minimum of 11°C (52°F), an average of 17°C (63°F), and a high of 29°C (84°F). The summer month is notably drier, receiving just 2 mm (0.1 in) of rain throughout the month and with no rainy days, along with lower humidity levels at 70%. This makes July a much sunnier and more pleasant month overall. For specific details about summer conditions, visit Mendocino weather in July.

March and August present strikingly different weather patterns. In March, temperatures range from a chilly minimum of 2°C (35°F) to a pleasant maximum of 23°C (74°F), with an average of 10°C (51°F). This month sees considerable precipitation, totaling 108 mm (4.2 in) over 13 days, contributing to a high humidity level of 83%. In contrast, August boasts much warmer temperatures, with a minimum of 11°C (51°F) and a maximum reaching 31°C (88°F), averaging 18°C (64°F). The dry conditions in August are highlighted by a negligible precipitation of just 1 mm (0.0 in) and no rainy days, resulting in a lower humidity level of 66%. For more details on August conditions, you can visit Mendocino weather in August.

March and September exhibit notable differences in weather patterns. March tends to be cooler with average temperatures hovering around 10°C (51°F), while September enjoys warmer conditions with average temperatures reaching 18°C (64°F). Precipitation is significantly higher in March, totaling 108 mm (4.2 in) over approximately 13 days, compared to just 6 mm (0.2 in) on a single day in September. Additionally, humidity levels are higher in March at 83%, contrasting with September's more comfortable 68%. For more specific information, you can check Mendocino weather in September.

March and October present contrasting weather patterns. In March, temperatures typically range from a chilly 2°C (35°F) at night to a mild 23°C (74°F) during the day, with an average temperature of 10°C (51°F). This month also brings considerable rainfall, averaging 108 mm (4.2 inches) over about 13 days, and a high humidity level of 83%. In contrast, October boasts a more pleasant climate, with minimum temperatures of 6°C (43°F) and maximums reaching up to 32°C (90°F), averaging 15°C (60°F). Rainfall is significantly lower at 43 mm (1.7 inches) across just three days, and humidity drops to 72%. For more detailed information on October weather, you can check Mendocino weather in October.

March and November exhibit notable similarities and differences in weather patterns. In March, the temperatures range from a minimum of 2°C (35°F) to a maximum of 23°C (74°F), with an average of 10°C (51°F). This month tends to be wetter, experiencing 108 mm (4.2 in) of precipitation over approximately 13 days, contributing to a humid atmosphere with 83% humidity. In contrast, November sees a slightly cooler range, with temperatures varying from 1°C (34°F) to 22°C (72°F) and an average of 12°C (53°F). However, it is drier, with only 72 mm (2.8 in) of precipitation over about 6 days, resulting in a marginally higher humidity of 84%. For more specific details about November weather, you can refer to this link: Mendocino weather in November.

In both March and December, the temperatures remain quite similar, with March experiencing a minimum of 2°C and an average of 10°C, while December also has a minimum of 2°C but a slightly lower average of 10°C and a maximum of 20°C. Precipitation levels are comparable, with March receiving 108 mm over 13 days and December slightly less at 97 mm across 11 days. Humidity is nearly identical, with March at 83% and December at 84%. For more specific insights into December weather, you can check Mendocino weather in December.

Compare Mendocino's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Mendocino

As March unfolds in Mendocino, it presents a dynamic shift from the winter chill, welcoming slightly warmer days and the promise of spring. With an average temperature of 10°C (51°F) and peaks reaching a comfortable 23°C (74°F), the air feels more invigorating, yet cool evenings remind us of winter’s lingering embrace. This month is marked by increased moisture, bringing approximately 108 mm (4.2 in) of rain over about 13 days, leading to a lush, green landscape. Although humidity remains high at 83%, the blend of milder temperatures and periodic rain enhances the region's natural beauty, setting the stage for an enchanting transition into the vibrant spring months ahead. For more insights on the weather patterns in this stunning area, explore Mendocino Climate.