March Weather in Plymouth, United States

Last updated: February 24, 2025

In March, Plymouth experiences a dynamic shift in weather, with temperatures ranging from a minimum of -11°C (12°F) to a mild maximum of 17°C (63°F). The average temperature settles around 3°C (39°F), marking a transition as winter cedes to spring. This month also brings 114 mm (4.5 in) of precipitation over 10 days, contributing to a humid atmosphere with 82% humidity. As the landscape begins to thaw, the interplay of chilly and warmer days creates a unique climate experience ideal for those who appreciate the beauty of seasonal change.

March Temperature in Plymouth

In March, Plymouth begins to shake off the grip of winter, with temperatures gradually rising to herald the arrival of spring. The month's minimum temperature hovers around -11°C (12°F), a noticeable improvement from the previous months, while the average temperature climbs to a cool 3°C (39°F). Residents can expect to experience maximums reaching 17°C (63°F), paralleling February's highs, creating a sense of optimism as the region transitions into milder conditions. This gentle warming trend continues into April, highlighting a clear shift from the biting cold of winter towards the more temperate days of spring.

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

The chart illustrates March temperature patterns in Plymouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333538475666727266574637
Data source: Temperature data for Plymouth 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.

March Precipitation in Plymouth

March in Plymouth brings a notable increase in precipitation, with 114 mm (4.5 in) falling over an average of 10 days. This marks a slight rise from February’s 109 mm (4.3 in), emphasizing the transition into spring as temperatures begin to warm and the landscape comes alive. The uptick in precipitation not only hints at the impending blooms but also sets the stage for the wetter months ahead, notably April, which sees even higher rainfall at 137 mm (5.4 in). As winter recedes, the pattern of increasing moisture suggests a lively start to spring, with nature eagerly preparing for growth and renewal.

March Precipitation Trends in Plymouth

The chart displays monthly precipitation patterns in Plymouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec891091141371059611075111168104128
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Plymouth

In March, Plymouth experiences a slight dip in humidity, dropping to 82% from the steady 84% observed in both January and February. This decline marks a transition toward the drier months ahead, as humidity continues to decrease through April, reaching 79%. The trend suggests a gradual shift into spring, bringing with it more comfortable conditions after the winter chill. With humidity levels steadily decreasing until May, when they hit 75%, March serves as a pivotal month, showcasing the beginning of this seasonal change while still retaining a touch of the winter's moisture-laden air.

March Average Humidity in Plymouth

This chart illustrates the average monthly humidity levels in Plymouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Plymouth

As March arrives in Plymouth, the UV Index rises to 6, indicating a shift to a high exposure category. With a decreased burn time of just 25 minutes, it's a sign that spring is bringing more potent sunlight, prompting residents and visitors alike to take precautions. This trend of increasing UV levels will continue into April and May, where indices soar to 8 and 9, marking the onset of very high exposure. Notably, after the more moderate months of January and February, March serves as a critical reminder to prioritize sun safety as warmer days approach. For more insights on the UV Index throughout the year, check out Plymouth UV Index.

Maximum UV Index Levels in Plymouth for March

The chart shows the monthly maximum UV Index (UVI) for Plymouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec356899997642
Data source: Plymouth 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 Plymouth

As March arrives in Plymouth, the days grow steadily brighter, bringing an impressive 253 hours of sunshine to the region. This marks a significant increase from the previous months, showcasing a welcoming shift as winter recedes. Following the trend set by the spring months, April begins with 241 hours of sunshine, while May dazzles with an even more vibrant 289 hours. The sunny momentum continues through the summer, peaking in July with 337 hours, creating the best conditions for outdoor activities and joyful gatherings. By the time autumn rolls around, there's still plenty of sunshine to enjoy, though the days gradually shorten as October provides 224 hours. This progression highlights Plymouth's delightful transition from the chilly winter months to the warm embrace of summer, ensuring residents savor the gradual return of longer, sunnier days.

Monthly Sunshine Duration in Plymouth: March Highlighted

The March sunshine duration represents the total number of hours Plymouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec148h188h253h241h289h324h337h323h276h224h202h173h
Data source: Plymouth March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Plymouth During March

In March, Plymouth experiences a notable increase in the likelihood of sunny weather, with a 60% chance of sunshine, significantly higher than the preceding months of January and February, which offer only 41% and 31% respectively. This upward trend signals the arrival of spring, making March a transitional month where residents can finally look forward to brighter and sunnier days ahead. Interestingly, the sunshine probability dips again in April to 43%, but March stands out as an ideal time for outdoor activities as people shake off the winter chill. Overall, this month heralds a promising shift towards more favorable weather, with the sun increasingly gracing Plymouth.

Percentage of Sunny Days in March in Plymouth

The chart illustrates the percentage of sunny days in Plymouth 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 Plymouth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%31%60%43%39%39%35%30%45%41%54%31%
Data source: Plymouth March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Plymouth in March

As March arrives in Plymouth, United States, the days begin to noticeably lengthen, offering about 11 hours of daylight. This marks a significant increase from the 10 hours in February, signaling the transition into spring. With each passing month, daylight continues to expand, peaking in June at 15 hours. Following the trends, March is the third step in a steady ascent, as nature awakens from winter's embrace and the sun's presence becomes increasingly inviting. This gradual increase not only enhances outdoor activities but also lifts spirits as residents embrace longer, brighter days leading into the vibrant spring and summer months.

Average Daylight Hours in Plymouth for March

The chart illustrates the variation in daylight duration in Plymouth throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 29m10h 34m11h 58m13h 23m14h 35m15h 11m14h 51m13h 47m12h 25m11h9h 46m9h 8m
Data source: Plymouth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Plymouth

As March arrives in Plymouth, the winds begin to shift ever so slightly, with an average speed of 5.2 m/s (12 mph), making it one of the brisker months of the year. This gentle uptick from January and February’s steady 5.0 m/s (11 mph) hints at the lively transition of seasons, as nature stirs awake after winter's hush. Following March, the winds mellow out, dipping to 4.6 m/s (10 mph) in April and further easing to 4.3 m/s (10 mph) in May. This gradual decrease suggests a calm before the summer, where the warm air often lulls the breezes into a more serene rhythm. While the gusts of March may invigorate the landscape, it signals a return to tranquility as the year moves forward.

Average March Wind Speed in Plymouth

The chart displays monthly wind speed patterns in Plymouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.05.05.2 m/s4.64.34.23.53.44.14.64.64.6
Data source: Plymouth March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Plymouth Compares to Other Months

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

March weather in Plymouth is generally milder compared to January, with average temperatures rising from a chilly 1°C (34°F) in January to a more comfortable 3°C (39°F) in March. Although March can experience slightly higher maximum temperatures, reaching up to 17°C (63°F), it still doesn't surpass January's peak of 18°C (65°F). Precipitation also increases in March with 114 mm (4.5 in) over 10 days, compared to January's 89 mm (3.5 in) over 9 days. Humidity remains quite similar, with March at 82% and January at 84%. For more detailed January insights, check out Plymouth weather in January.

In comparing the weather conditions of March and February, we observe a slight uptick in average temperatures, with March averaging 3°C (39°F) compared to February's 2°C (35°F). Both months experienced similar maximum temperatures, reaching up to 17°C (63°F), although February had a slightly colder minimum temperature of -15°C (5°F) versus March's -11°C (12°F). Precipitation levels were also comparable, with March receiving 114 mm (4.5 in) over 10 days, while February had 109 mm (4.3 in) spread over 12 days. Humidity remained high in both months, with March at 82% and February at 84%. For more insights on February's climate, check out Plymouth weather in February.

In March, temperatures range from a chilly minimum of -11°C (12°F) to a pleasant maximum of 17°C (63°F), with an average of around 3°C (39°F). The month sees significant precipitation, totaling 114 mm (4.5 in) over 10 days, accompanied by high humidity levels at 82%. In contrast, April brings a notable warming trend, with minimum temperatures rising to -1°C (30°F) and maximums reaching 24°C (75°F), resulting in an average of 8°C (47°F). Despite an increase in precipitation to 137 mm (5.4 in) over 13 days, the humidity decreases slightly to 79%. For more details on the weather patterns in April, check out Plymouth weather in April.

March and May showcase distinct differences in weather conditions. In March, temperatures can drop as low as -11°C (12°F) at night, with an average temperature of around 3°C (39°F) and a maximum of 17°C (63°F). The month is also characterized by higher humidity at 82% and considerable precipitation, totaling 114 mm (4.5 in) over approximately 10 days. In contrast, May experiences milder temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 28°C (82°F), resulting in a more agreeable average of 13°C (56°F). Although May has slightly less precipitation at 105 mm (4.1 in) over about 12 days, it boasts lower humidity levels at 75%. For those interested in more details about May weather specifics, you can explore Plymouth weather in May.

March and June present a stark contrast in weather patterns. In March, temperatures can plunge as low as -11°C (12°F), with an average of around 3°C (39°F) and maximums reaching 17°C (63°F). The month experiences considerable precipitation of 114 mm (4.5 in), spread over approximately 10 days, coupled with high humidity levels at 82%. In contrast, June sees a noticeable warm-up, with minimum temperatures starting at 9°C (49°F) and an average rising to 19°C (66°F), peaking at a comfortable 31°C (87°F). Rainfall decreases slightly to 95 mm (3.8 in), also occurring over 10 days, but the humidity drops to 78%. For more details on June weather, you can check Plymouth weather in June.

In March, temperatures are significantly colder, with a minimum of -11°C (12°F) and an average of just 3°C (39°F), while the maximum can reach 17°C (63°F). This month also sees high humidity at 82% and a substantial amount of precipitation, totaling 114 mm (4.5 in) over about 10 days. In contrast, July brings much warmer weather, with temperatures ranging from a minimum of 14°C (58°F) to a comfortable average of 22°C (72°F), peaking at 34°C (93°F). While July has slightly less precipitation at 110 mm (4.3 in), it maintains a lower humidity level of 76% over the same number of rainy days. For more details, you can check out Plymouth weather in July.

March and August present contrasting weather conditions in terms of temperature, precipitation, and humidity. In March, temperatures can drop as low as -11°C (12°F), with an average temperature of around 3°C (39°F) and maxing out at 17°C (63°F). This month also tends to be wetter, with 114 mm (4.5 in) of precipitation over about 10 days, contributing to a higher humidity level of 82%. In contrast, August enjoys milder minimum temperatures of 12°C (54°F), an average of 22°C (72°F), and can reach up to 32°C (90°F). Precipitation decreases to 75 mm (3.0 in), also over 10 days, but with lower humidity at 76%. For more details, check out Plymouth weather in August.

In March, temperatures tend to be much cooler, with a minimum of -11°C (12°F) and an average of 3°C (39°F), peaking at 17°C (63°F). The month is characterized by higher humidity levels at 82% and a significant amount of precipitation, totaling 114 mm (4.5 in) over approximately 10 days. In contrast, September experiences milder weather, with minimum temperatures around 10°C (50°F) and a comfortable average of 19°C (66°F), reaching up to 31°C (89°F) at times. Precipitation remains relatively close to March, at 111 mm (4.4 in) over 9 days, but the overall humidity drops to 75%. For more detailed information, you can check Plymouth weather in September.

March and October present distinct contrasts in weather conditions. In March, temperatures range from a chilly -11°C (12°F) at night to a mild 17°C (63°F) during the day, averaging around 3°C (39°F). Precipitation is notable with about 114 mm (4.5 in) falling over approximately 10 days, contributing to a high humidity level of 82%. In comparison, October offers a more temperate climate with minimum temperatures around 1°C (34°F) and highs reaching up to 25°C (78°F), averaging 14°C (58°F). Although it is slightly wetter, with 168 mm (6.6 in) of rain spread over 11 days, the humidity decreases to 75%. For more details, you can check Plymouth weather in October.

March and November exhibit notable differences in temperature and overall climate characteristics. In March, temperatures range from a chilly minimum of -11°C (12°F) to a maximum of 17°C (63°F), with an average of 3°C (39°F). The month typically sees around 114 mm (4.5 in) of precipitation over approximately 10 days, accompanied by high humidity levels of 82%. In contrast, November tends to be milder, with temperatures ranging from a minimum of -8°C (17°F) and reaching a maximum of 21°C (70°F), averaging 8°C (46°F). Precipitation is slightly less, at around 104 mm (4.1 in) across the same number of days, with a humidity level of 80%. For more details on weather conditions during this time, you can check out Plymouth weather in November.

March and December in Plymouth showcase notable similarities and differences in weather patterns. Both months feature an average temperature of around 3°C (37°F), but December tends to have slightly colder minimum temperatures, dropping to -15°C (6°F) compared to March’s -11°C (12°F). Precipitation levels are relatively close, with December receiving 128 mm (5.0 in) over 11 days and March 114 mm (4.5 in) over 10 days. Humidity remains consistent, with March at 82% and December slightly lower at 80%. For more detailed insights, you can explore Plymouth weather in December.

Compare Plymouth's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Plymouth

As March rolls into Plymouth, the weather begins to transition from the chill of winter to the promise of spring. Unlike the depths of winter, temperatures start to rise, offering an average that nudges closer to comfortable, while still allowing for some brisk days where a jacket remains necessary. The month also features a mix of humid days and occasional rain, with precipitation spread over about a third of the days. This shift in climate not only brings a refreshing change but also sets the stage for a vibrant spring ahead. For a deeper dive into how March compares with other months, check out Plymouth Climate.