March Weather in Port Townsend, United States

Last updated: February 24, 2025

March in Port Townsend, United States, ushers in the onset of spring with a maximum temperature reaching 19°C (67°F) and an average of 7°C (45°F), while the minimum dips to 0°C (32°F). This month is characterized by high humidity levels averaging around 85%, contributing to the region’s feel of freshness and vitality. However, it also brings significant precipitation, totaling 131 mm (5.1 in) over approximately 18 days, making it one of the wetter months in the area. Whether you're strolling through the historic streets or enjoying the abundant natural beauty, March's blend of cool temperatures and refreshing rain captures the essence of Pacific Northwest weather.

March Temperature in Port Townsend

As March arrives in Port Townsend, temperatures begin to experience a welcome transition from winter's chill to more moderate conditions. The month starts with a minimum temperature of 0°C (32°F), providing a fresh start, while the average climbs to 7°C (45°F), hinting at the promise of spring. Daytime highs can reach up to 19°C (67°F), offering a delightful glimpse of warmth compared to the colder months of January and February. This upward trend in temperature not only encourages locals to spend more time outdoors but also paves the way for the blooming beauty of April. With each passing day, it becomes evident that March serves as a bridge, connecting the lingering elements of winter with the vibrant energy of the approaching spring.

March Weather in Port Townsend: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Port Townsend, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434144485458626359524743
Data source: Temperature data for Port Townsend 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 Port Townsend

In March, Port Townsend experiences a noticeable drop in precipitation, with 131 mm (5.1 inches) of rain spread over 18 days. This marks a decline from the heavier downpours of January and February, which recorded 160 mm and 157 mm respectively. Following the trend, April's rainfall is projected to decrease further to 124 mm (4.9 inches), suggesting a gradual shift towards drier conditions as spring unfolds. The transition to milder weather is also reflected in the decrease in rainy days, with March seeing a mix of lingering showers and the anticipation of sunny days ahead. This pattern highlights Port Townsend’s tendency for more rainfall in the earlier months, transitioning to lighter showers as it heads into late spring and summer.

March Precipitation Trends in Port Townsend

The chart displays monthly precipitation patterns in Port Townsend, 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.
JanFebMarAprMayJunJulAugSepOctNovDec160157131124911265851129155187187
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Port Townsend

In March, Port Townsend experiences a humidity level of 85%, slightly lower than the preceding months of January and February, which recorded 86% and 84% respectively. This mild dip in humidity reflects a gradual transition towards drier conditions as the year progresses. Notably, the humidity begins to decrease more significantly in the summer months, reaching its lowest point in August at 73%. Despite this seasonal variability, the overall trend indicates that Port Townsend maintains relatively high humidity levels throughout the year, especially in the colder months, where it peaks again at 87% in December. This consistent moisture plays a crucial role in shaping the region's lush landscape.

March Average Humidity in Port Townsend

This chart illustrates the average monthly humidity levels in Port Townsend, 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%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Port Townsend

As March unfolds in Port Townsend, the UV Index rises to 5, indicating a moderate exposure level. This marks a noticeable increase from January's low UV Index of 2 and February's moderate 3, reflecting the gradual arrival of spring and longer daylight hours. With a burn time of just 30 minutes, it's a reminder that even moderate levels can pose risks for unprotected skin, especially as the days grow sunnier. As the season progresses into April and May, the UV Index will climb further, urging residents to stay vigilant about sun safety. For detailed information and daily updates on UV levels, check out Port Townsend UV Index.

Maximum UV Index Levels in Port Townsend for March

The chart shows the monthly maximum UV Index (UVI) for Port Townsend 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987522
Data source: Port Townsend 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 Port Townsend

As winter fades away, March marks a vibrant shift in Port Townsend, characterized by a remarkable increase in sunshine, featuring 213 hours of radiant daylight. This surge is a delightful prelude to the spring months, with the sun's lingering presence growing ever stronger. Following the 141 hours in February, March stands out as a significant leap, gradually paving the way for the warmer days ahead. With April set to shine brighter at 243 hours, the trend becomes even more pronounced, indicating nature's revival and the community's anticipation for outdoor activities. As the days lengthen and the warmth returns, the perfect balance between daylight and the crispness of early spring creates an inviting atmosphere that invigorates both the landscape and the spirit of Port Townsend.

Monthly Sunshine Duration in Port Townsend: March Highlighted

The March sunshine duration represents the total number of hours Port Townsend 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.
JanFebMarAprMayJunJulAugSepOctNovDec84h141h213h243h329h339h382h344h262h197h126h97h
Data source: Port Townsend March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Townsend During March

As March arrives in Port Townsend, the likelihood of sunny weather begins to brighten, with a 31% chance of sunshine compared to just 15% in January and 22% in February. This incremental increase reflects a clear trend toward more favorable weather as spring approaches, setting the stage for April’s leap to 49%. With each passing month, residents can feel the shift in seasons, highlighting March as a pivotal point where winter's gray begins to fade, making way for the longer and sunnier days ahead. So, whether you're planning outdoor activities or simply chasing the sun, March delivers a welcome boost in brightness that foreshadows the warmth of summer.

Percentage of Sunny Days in March in Port Townsend

The chart illustrates the percentage of sunny days in Port Townsend 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 Port Townsend experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%22%31%49%40%51%59%47%36%25%16%14%
Data source: Port Townsend March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Townsend in March

As winter fades away, March in Port Townsend ushers in a delightful increase in daylight, with an average of 11 hours illuminating the days. This marks a noticeable change from the 10 hours of February, signaling the approach of spring. The gradual lengthening of daylight is a precursor to the vibrant months ahead, where April promises 13 hours and May peaks at a luscious 15 hours. This trend showcases the region's transition from the wintery gloom into a season brimming with life, encouraging outdoor adventures and a renewed connection with nature as the days grow longer and sunnier.

Average Daylight Hours in Port Townsend for March

The chart illustrates the variation in daylight duration in Port Townsend throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 52m10h 15m11h 57m13h 41m15h 11m15h 57m15h 31m14h 10m12h 30m10h 46m9h 14m8h 26m
Data source: Port Townsend daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Port Townsend

As March unfolds in Port Townsend, the city experiences a gentle breath of wind, maintaining an average speed of 3.3 m/s (7 mph), consistent with the lighter breezes of February. This stability sets the stage for the gradual transition towards spring, as the winds begin to soften before April's further drop to 2.4 m/s (5 mph). Interestingly, while January boasts the highest gusts at 4.0 m/s (9 mph), the trend shows a decline through the early months of the year, reaching a seasonal low in mid-spring. However, as the year progresses, wind speeds will gradually rise again, particularly evident in November’s robust 4.3 m/s (10 mph). This ebb and flow of breezy days enhances the scenic beauty of Port Townsend, inviting both locals and visitors to enjoy the enchanting maritime atmosphere.

Average March Wind Speed in Port Townsend

The chart displays monthly wind speed patterns in Port Townsend, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.33.3 m/s2.42.52.62.22.32.83.84.34.0
Data source: Port Townsend March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Port Townsend Compares to Other Months

The weather in Port Townsend 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 Port Townsend and find detailed weather information for every month.

Comparing the weather in March and January reveals some notable differences. March typically features a milder temperature range, with a minimum of 0°C (32°F) and a maximum of 19°C (67°F), while January is colder, with temperatures dipping as low as -4°C (26°F) and peaking at 13°C (55°F). In terms of precipitation, March receives about 131 mm (5.1 in) over 18 days, slightly less than January’s 160 mm (6.3 in) across just 17 days. Humidity levels remain similarly high, at 85% in March and 86% in January. For a more detailed look at January weather, you can visit Port Townsend weather in January.

March offers a noticeable warming trend compared to February, with average temperatures rising from 5°C (41°F) in February to 7°C (45°F) in March. While the minimum temperature in March is milder at 0°C (32°F) compared to February's chilling -6°C (22°F), the maximum temperature also increases, reaching 19°C (67°F) in March versus 13°C (55°F) in February. However, March sees slightly higher precipitation levels, with 131 mm (5.1 in) over 18 days, compared to February's 157 mm (6.2 in) spread across 21 days. Humidity remains fairly consistent, with March at 85% and February at 84%. For more details, you can check Port Townsend weather in February.

In comparing the weather of March and April, we see a gradual transition towards milder conditions. March displays a wider temperature range with a minimum of 0°C (32°F) and an average of 7°C (45°F), while April sees a slight increase, with averages rising to 9°C (49°F) and nighttime lows of 2°C (37°F). Precipitation is also a notable factor, as March experiences more rainfall with 131 mm (5.1 in) over 18 days, compared to April's 124 mm (4.9 in) across 16 days. Humidity levels are slightly lower in April at 83%, compared to March's 85%. This shift indicates a gradual move towards drier and warmer weather. For more details, check out Port Townsend weather in April.

March and May showcase distinct contrasts in weather patterns. March typically experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 7°C (45°F), while May warms up significantly, with a minimum of 5°C (42°F) and an average of 12°C (54°F). Precipitation also differs; March sees more rain, with 131 mm (5.1 in) over 18 days, compared to May's 91 mm (3.6 in) over just 13 days. Humidity remains fairly consistent, hovering around 85% in March and slightly lower at 84% in May. For a detailed look at temperatures in May, check out Port Townsend weather in May.

March and June display notable differences in weather patterns. In March, temperatures range from a chilly minimum of 0°C (32°F) to a maximum of 19°C (67°F), with an average of 7°C (45°F). The month is characterized by significant precipitation, totaling 131 mm (5.1 in) over 18 days and high humidity at 85%. In contrast, June experiences a warmer climate, with temperatures spanning from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), and an average of 15°C (58°F). Although precipitation slightly decreases to 125 mm (4.9 in) over 15 days, humidity remains relatively steady at 84%. For more detailed insights, you can check Port Townsend weather in June.

March and July present distinctly different weather patterns. In March, temperatures range from a chilly 0°C (32°F) at night to a mild 19°C (67°F) during the day, with an average of 7°C (45°F). The month is also marked by considerable precipitation, totaling 131 mm (5.1 in) across 18 days, contributing to a high humidity level of 85%. In contrast, July boasts warmer temperatures, with lows of 11°C (52°F) and highs reaching 25°C (77°F), averaging 17°C (62°F). The summer month sees significantly less rain, with only 58 mm (2.3 in) over 10 days and slightly lower humidity at 82%. For more details on July weather, you can visit Port Townsend weather in July.

March and August present stark contrasts in weather. In March, temperatures are much cooler, with a minimum of 0°C (32°F) and an average of 7°C (45°F), peaking at 19°C (67°F). This month is also quite wet, receiving 131 mm (5.1 in) of rain over 18 days, accompanied by high humidity at 85%. Conversely, August enjoys milder conditions, with minimum temperatures of 11°C (52°F) and an average of 17°C (63°F), reaching a maximum of 27°C (81°F). It boasts significantly less rain, with only 51 mm (2.0 in) falling over just 8 days, and humidity drops to a more comfortable 73%. For more details on August weather, check out Port Townsend weather in August.

March and September exhibit distinct climatic characteristics, reflecting the transition from winter to spring and summer to autumn, respectively. In March, temperatures range from a chilly 0°C (32°F) to a mild maximum of 19°C (67°F), accompanied by significant precipitation of 131 mm (5.1 in) over approximately 18 days, resulting in high humidity levels at 85%. In contrast, September offers milder temperatures, with a minimum of 9°C (48°F) and a pleasant average of 15°C (59°F), peaking at 24°C (76°F). The precipitation is slightly lower at 129 mm (5.1 in) over 15 days, and the humidity decreases to 74%. For a deeper look into September's climate, you can check Port Townsend weather in September.

When comparing the weather in March and October, both months show a transition in temperature and precipitation patterns. In March, temperatures range from a chilly 0°C (32°F) to a more mild maximum of 19°C (67°F), with an average temperature of 7°C (45°F). In contrast, October experiences slightly warmer conditions, with temperatures ranging from 3°C (38°F) to 21°C (69°F) and an average of 11°C (52°F). Precipitation levels are relatively high in both months, with March receiving 131 mm (5.1 in) and October slightly more at 155 mm (6.1 in), both spanning around 18 days of rain. Interestingly, humidity remains fairly consistent, hovering around 85% in March and 83% in October. For more specific details about the climate during this month, you can refer to Port Townsend weather in October.

When comparing the weather in March and November, it’s evident that both months feature mild temperatures, but with some notable differences. In March, temperatures range from a minimum of 0°C (32°F) to a maximum of 19°C (67°F), averaging around 7°C (45°F). This month experiences about 131 mm (5.1 in) of precipitation over 18 days, coupled with a humidity level of 85%. In contrast, November sees slightly higher temperatures, with a minimum of 1°C (35°F) and a maximum of 16°C (61°F), averaging 8°C (47°F). Precipitation increases to 187 mm (7.4 in) across 20 days, with humidity slightly higher at 86%. For more detailed insights, you can check out Port Townsend weather in November.

March and December present quite different atmospheric conditions. In March, temperatures range from a chilly 0°C (32°F) at night to a mild maximum of 19°C (67°F) during the day, with an average of 7°C (45°F). The month typically sees about 131 mm (5.1 in) of precipitation over 18 days, accompanied by a relatively high humidity level of 85%. In contrast, December is colder, with temperatures dropping to a minimum of -5°C (23°F) and only reaching a maximum of 13°C (55°F), averaging 6°C (43°F). This month experiences more precipitation, totaling around 187 mm (7.4 in) across 21 days, and slightly higher humidity at 87%. For more detailed information, you can check the Port Townsend weather in December.

Compare Port Townsend's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Port Townsend

As March unfolds in Port Townsend, the weather embodies a transition from winter’s chill to the impending warmth of spring. Unlike the colder months that precede it, March brings a noticeable increase in temperatures, inviting residents to shed their heavy layers while still preparing for brisk days. The month is characterized by frequent precipitation, with about half the month experiencing rain, contributing to the lush landscapes that this coastal town is known for. With an average humidity of 85%, the air feels fresh yet invigorating. March offers a unique blend of mild warmth followed by cool, rainy spells, setting the stage for the vibrant growth ahead. For more insights into the seasonal patterns, explore Port Townsend Climate.