March Weather in Monterey, United States

Last updated: February 24, 2025

In March, the charming coastal city of Monterey, United States, experiences a temperate climate characterized by a maximum temperature of 17°C (63°F) and a minimum of 7°C (45°F), yielding an average of 11°C (52°F). This month witnesses moderate rainfall, accumulating to 93 mm (3.7 in) over roughly 12 days, contributing to the region’s lush landscapes. With an humidity level of 82%, visitors can expect a refreshing atmosphere that enhances the scenic beauty and vibrant marine life of this picturesque destination.

March Temperature in Monterey

As March arrives in Monterey, temperatures begin to gently ease out of the winter chill, with lows around 7°C (45°F) and highs peaking at 17°C (63°F). The average temperature lingers comfortably at 11°C (52°F), signaling the onset of spring. While the highs are slightly lower than those of neighboring months, it marks a transition, with March providing a subtle yet noticeable warmth compared to February's coolness. As the month progresses, residents can expect mild days perfect for exploring the stunning coastline, though layering may still be advisable for those cooler mornings and evenings. This gradual warming trend sets the stage for the delightful temperatures that April and May promise, ushering in vibrant blooms and outdoor activities.

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

The chart illustrates March temperature patterns in Monterey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535252525355555859585654
Data source: Temperature data for Monterey 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 Monterey

In March, Monterey experiences a moderate shift in precipitation patterns as winter wanes, with 93 mm (3.7 in) of rain falling over 12 days. This marks a notable decrease from January and February, where the region saw higher amounts of 112 mm and 106 mm, respectively. While the arrival of spring brings less rainfall, the earlier months set a robust foundation for the region’s water supply. April hints at the drier conditions ahead, with only 35 mm expected over 6 days, foreshadowing a transition to the dry summer months. This gradual decline in precipitation not only highlights a seasonal rhythm but also emphasizes Monterey's unique climate, showcasing its ability to welcome new seasons while bidding farewell to the nutrient-rich rains of winter.

March Precipitation Trends in Monterey

The chart displays monthly precipitation patterns in Monterey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec11210693352654542142105
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Monterey

In March, Monterey experiences a slight dip in humidity, averaging 82%, which mirrors the previous month's levels. This consistency suggests a smooth transition from the cooler, more humid winter months of January and February, where humidity peaks at 82% and 84%, respectively. As the region approaches spring, a notable decrease begins, paving the way for more comfortable conditions in April, when levels drop to 78%. This gradual decline continues through the spring and into summer, underscoring Monterey's shift toward drier air as warmer months approach. Overall, March serves as a pivotal point in this seasonal humidity trend, marking the balance between lingering winter moisture and the emerging spring crispness.

March Average Humidity in Monterey

This chart illustrates the average monthly humidity levels in Monterey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Monterey

March marks a significant jump in the UV Index for Monterey, with a reading of 8, indicating a shift to the very high exposure category and a burn time of just 15 minutes. This trend of increasing UV intensity continues into April, where the UV Index peaks at 9. Following a gradual ascent from January’s moderate levels, this quick elevation in UV exposure underscores the importance of sun protection during early spring. With the UV Index reaching extreme levels as summer approaches, it's crucial to stay informed and vigilant. For a more detailed look at UV trends throughout the year in Monterey, check out Monterey UV Index.

Maximum UV Index Levels in Monterey for March

The chart shows the monthly maximum UV Index (UVI) for Monterey 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.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111119753
Data source: Monterey 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 Monterey

March in Monterey brings a delightful surge of sunshine, with 268 hours of radiant daylight illuminating the coastal beauty. This month marks a significant increase from the previous months, as daylight hours climb from January’s modest 164 to February’s 222. As spring approaches, the trend of increasing sunlight continues, paving the way for even brighter days ahead in April with 301 hours. This gradual ascent not only beckons outdoor enthusiasts and nature lovers but also transforms the landscape with vibrant blooms and welcoming warmth, making March an ideal time to explore Monterey’s breathtaking scenery.

Monthly Sunshine Duration in Monterey: March Highlighted

The March sunshine duration represents the total number of hours Monterey 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.
JanFebMarAprMayJunJulAugSepOctNovDec164h222h268h301h354h369h377h347h309h287h235h210h
Data source: Monterey March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Monterey During March

In Monterey, the likelihood of basking in sunny weather during March stands at 50%, reflecting a balance between the brighter months and the cooler ones. This figure sits just below the peak of 58% observed in February and September, hinting at a gradual transition into spring. As winter gives way to early spring, the chance of sunshine slightly dips from February's highs and continues to decline into April, where it drops to 43%. The data suggests that while March offers a decent opportunity for sun, it is just a prelude to the more consistently sunny days ahead in the coming months. With the chance of sun fluctuating throughout the year, March presents a promising but transitional window for Monterey's weather, encouraging outdoor adventures before the summer sun truly sets in.

Percentage of Sunny Days in March in Monterey

The chart illustrates the percentage of sunny days in Monterey 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 Monterey experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%58%50%43%51%48%34%52%58%62%57%43%
Data source: Monterey March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Monterey in March

March marks a turning point in Monterey, United States, as daylight begins to extend noticeably, totaling 11 hours compared to 10 hours in February. This gradual increase heralds the arrival of spring, setting the stage for even longer days ahead. As winter loosens its grip, residents and visitors alike can enjoy the burgeoning light that precedes the 14 hours of daylight in the peak summer months of May through July. This trend of increasing daylight not only enhances outdoor activities but also invigorates the local atmosphere, inviting everyone to embrace the changing seasons with an eagerness that mirrors nature's awakening.

Average Daylight Hours in Monterey for March

The chart illustrates the variation in daylight duration in Monterey throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 58m10h 51m11h 59m13h 9m14h 7m14h 36m14h 20m13h 28m12h 21m11h 12m10h 11m9h 41m
Data source: Monterey daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Monterey

As March arrives in Monterey, the average wind speed settles at a brisk 4.7 m/s (10 mph), mirroring the gentle currents of February. This consistent breeze continues into April, where the wind speed remains unchanged, creating an inviting atmosphere for outdoor enthusiasts. Notably, March finds itself nestled in a generally mild pattern, with winds tapering off as summer approaches, reaching a low of 3.4 m/s (8 mph) in August. However, the latter part of the year introduces a refreshing uptick, with December boasting the highest average of 5.3 m/s (12 mph). This suggests that while March offers a serene transitional wind, it paves the way for the livelier gusts of winter, a reminder of Monterey's ever-changing coastal climate.

Average March Wind Speed in Monterey

The chart displays monthly wind speed patterns in Monterey, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.65.14.7 m/s4.75.04.53.83.43.34.34.05.3
Data source: Monterey March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Monterey Compares to Other Months

The weather in Monterey 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 Monterey and find detailed weather information for every month.

March typically sees slightly cooler average temperatures than January, with minimums of 7°C (45°F) compared to 7°C (46°F) in January. However, January presents a higher average temperature of 12°C (54°F) versus March's 11°C (52°F), and a maximum of 18°C (64°F) in January compared to 17°C (63°F) in March. Precipitation levels are notably different, with March receiving 93 mm (3.7 in) over 12 days, while January records 112 mm (4.4 in) over just 10 days. Both months maintain a consistent humidity level of 82%. For more detailed insights into January weather, you can visit Monterey weather in January.

In comparing the weather conditions of March and February, we see some subtle differences. March exhibits a slightly higher minimum temperature of 7°C (45°F), while February has a minimum of 6°C (44°F), but both months share an average temperature of 11°C (52°F). Interestingly, February records a maximum temperature of 18°C (65°F), compared to March's 17°C (63°F). Precipitation levels are marginally lower in March, with 93 mm (3.7 in) over 12 days, whereas February sees 106 mm (4.2 in) across 10 days. Additionally, the humidity levels are quite similar, with March at 82% and February at 84%. For more detailed statistics, you can check Monterey weather in February.

March and April present a notable transition in weather patterns. In March, the temperatures range from a minimum of 7°C (45°F) to a maximum of 17°C (63°F), coupled with significant precipitation totaling 93 mm (3.7 in) over 12 days, and an average humidity of 82%. Meanwhile, April brings slightly warmer temperatures, with a minimum of 8°C (47°F) and a maximum of 19°C (67°F), alongside a significant drop in precipitation to just 35 mm (1.4 in) over 6 days, resulting in a more pleasant average humidity of 78%. For those looking to explore the weather specifics of April in Monterey, more detailed information is available at Monterey weather in April.

March and May exhibit notable differences in weather patterns, particularly in terms of temperature and precipitation. March generally experiences cooler temperatures, with an average of 11°C (52°F) and a maximum of 17°C (63°F), while May sees slightly warmer conditions, with a minimum of 9°C (48°F), an average of 12°C (53°F), and maximums reaching the same level of 17°C (63°F). Precipitation is significantly higher in March, with 93 mm (3.7 in) over 12 days, compared to May's 26 mm (1.0 in) spread across just 4 days. Additionally, March has a higher humidity level of 82%, while May enjoys a more comfortable 71%. For more details, you can check Monterey weather in May.

March and June present a notable contrast in weather conditions. In March, temperatures range from a minimum of 7°C (45°F) to a maximum of 17°C (63°F), with an average of 11°C (52°F). The month is characterized by frequent precipitation, receiving about 93 mm (3.7 in) over 12 days, along with high humidity levels at 82%. In contrast, June enjoys warmer temperatures, starting at a minimum of 10°C (50°F) and reaching up to 25°C (78°F), with a comfortable average of 13°C (55°F). The month is typically dry, boasting minimal precipitation of only 5 mm (0.2 in) and no rainy days, accompanied by lower humidity at 64%. For more details, check out Monterey weather in June.

March and July offer contrasting weather experiences. In March, temperatures range from a minimum of 7°C (45°F) to a maximum of 17°C (63°F), with an average of 11°C (52°F). This month is characterized by significant precipitation, totaling 93 mm (3.7 in) across 12 days, and high humidity levels at 82%. In stark contrast, July features a milder temperature range, with a minimum of 11°C (51°F) and a maximum of 16°C (61°F), yielding an average of 13°C (56°F). Remarkably, July experiences minimal precipitation, with only 4 mm (0.2 in) recorded over 0 days, and the humidity drops to a comfortable 58%. For more details on the weather specifically in July, visit Monterey weather in July.

When comparing the weather in March and August, notable differences emerge. March sees cooler temperatures ranging from a minimum of 7°C (45°F) to a maximum of 17°C (63°F), along with higher humidity at 82% and substantial precipitation of 93 mm (3.7 in) over about 12 days. In contrast, August enjoys milder temperatures, with a minimum of 12°C (54°F) and a maximum of 21°C (70°F), characterized by significantly lower humidity at 54% and almost negligible precipitation of just 5 mm (0.2 in) over the entire month. This makes August a much drier and more pleasant month compared to the wetter and cooler March. For more detailed insights, check out Monterey weather in August.

March and September offer notably different weather experiences. In March, temperatures range from a chilly 7°C (45°F) to a mild 17°C (63°F), with an average of 11°C (52°F). This month sees significant precipitation of 93 mm (3.7 in) spread over 12 days, contributing to a high humidity of 82%. In contrast, September features much warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 29°C (84°F), averaging around 15°C (59°F). Additionally, it boasts negligible rainfall, with only 4 mm (0.2 in) and no rainy days, resulting in a much lower humidity of 55%. For a detailed look at September weather, check out Monterey weather in September.

March and October exhibit quite different weather patterns. In March, temperatures range from a chilly 7°C (45°F) to a maximum of 17°C (63°F), with an average of 11°C (52°F). This month also sees considerable precipitation, totaling 93 mm (3.7 in) over 12 days, accompanied by high humidity levels at 82%. In contrast, October experiences milder temperatures, with a minimum of 10°C (51°F) and a maximum reaching 25°C (77°F), averaging around 15°C (59°F). The month is notably drier, with only 21 mm (0.8 in) of precipitation spread over just 2 days and a more comfortable humidity level of 62%. For more details on October weather, check out Monterey weather in October.

When comparing the weather in March and November, we see distinct differences in temperature and precipitation. March typically experiences cooler temperatures, with a minimum of 7°C (45°F) and an average of 11°C (52°F), while November enjoys slightly higher temperatures, averaging around 14°C (57°F) and peaking at 20°C (68°F). Precipitation is more frequent in March, with 93 mm (3.7 in) over 12 days compared to only 42 mm (1.7 in) across 5 days in November, indicating a drier month. Furthermore, humidity levels are slightly higher in March at 82%, while November maintains a comfortable 78%. For more detailed information, you can check the Monterey weather in November.

In comparing the weather between March and December, we observe that both months have relatively mild temperatures, with December slightly warmer, showing a minimum of 8°C (47°F) compared to March's 7°C (45°F). The average temperature in December reaches 12°C (54°F), surpassing March's average of 11°C (52°F), while the maximum temperature for December can peak at 21°C (69°F), significantly higher than March's maximum of 17°C (63°F).

In terms of precipitation, December has slightly more rain, totaling 105 mm (4.1 in) over about 10 days, compared to March's 93 mm (3.7 in) across 12 days, indicating that while December is wetter, it has fewer rainy days. Humidity levels are somewhat similar, with March at 82% and December at 80%. For more detailed insights into December's climate, you can check Monterey weather in December.

Compare Monterey's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Monterey

As March unfolds in Monterey, the weather begins its transition into spring, marked by a noticeable uptick in humidity and precipitation compared to the drier winter months. With an average temperature hovering around 11°C, visitors can expect milder days, though the cooler nights remind us that winter has just bid farewell. Unlike the dry conditions seen in January and February, March brings a splash of rain, with approximately 12 days experiencing light showers, adding to the vibrant atmosphere of the coastal landscape. This transitional month is a delightful blend of crisp mornings and refreshing afternoons, making it an ideal time for those looking to explore the beauty of Monterey. For more insights on seasonal changes, visit the Monterey Climate page.