April Weather in Port Townsend, United States

Last updated: February 24, 2025

In April, Port Townsend experiences a delightful transition into spring, with maximum temperatures reaching a comfortable 20°C (68°F) and an average hovering around 9°C (49°F). The crisp mornings bring minimum temperatures down to 2°C (37°F), creating a refreshing atmosphere. With 124 mm (4.9 in) of precipitation spread over 16 days, residents and visitors can expect a mix of sun and spring showers, contributing to the region's lush landscapes. The air is rich with humidity at 83%, enhancing the invigorating feel of this charming waterfront town as it blossoms into the season.

April Temperature in Port Townsend

In April, Port Townsend begins to shed the chill of winter, ushering in milder temperatures that signify the arrival of spring. With minimums around 2°C (37°F) and maximums peaking at 20°C (68°F), the average temperature climbs to a pleasant 9°C (49°F), marking a noticeable upward trend from March's cooler readings. The transition is palpable, as previous months grappled with lows that dipped below freezing. As the days grow longer and sunnier, residents and visitors alike can enjoy the outdoors, taking advantage of blossoming landscapes and the gentle warmth that April has to offer. The refreshing shift lays the groundwork for the warmth of summer, inviting a sense of renewal and exploration.

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

The chart illustrates April 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.

April Precipitation in Port Townsend

April in Port Townsend is characterized by moderate precipitation, with an average of 124 mm (4.9 in) falling over 16 days. This indicates a slight decrease from the rainier months of January and February, which recorded 160 mm (6.3 in) and 157 mm (6.2 in) respectively. As spring unfolds, the city begins to experience a gradual transition toward drier weather, evidenced by May's further reduction in rainfall to 91 mm (3.6 in). This trend reflects the shifting dynamics of the Pacific Northwest, where April serves as a bridge between the wetter winter months and the dryer summer, entailing a blend of refreshing spring showers that nourish the landscape while hinting at the sunny days ahead.

April Precipitation Trends in Port Townsend

The chart displays monthly precipitation patterns in Port Townsend, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec160157131124911265851129155187187
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Port Townsend

In April, Port Townsend experiences a slight dip in humidity, averaging 83%, which is a subtle decrease from the preceding months. This reduction aligns with the general trend of decreasing humidity as spring progresses, transitioning from the winter highs of 86% in January and 84% in February and March. As the region moves toward summer, humidity begins to wane further, eventually reaching its annual low of 73% in August. Overall, April's humidity reflects a gradual shift towards drier conditions, heralding the anticipation of the warmer months ahead while still carrying a hint of the moist coastal climate characteristic of the Pacific Northwest.

April Average Humidity in Port Townsend

This chart illustrates the average monthly humidity levels in Port Townsend, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Port Townsend

As spring unfolds in Port Townsend, the UV Index steadily rises, with April reflecting a notable UVI of 6—a shift to a high exposure category that signals a decreased burn time of just 25 minutes. This trend is a clear ramp-up from the UVI of 5 seen in March, showcasing how the increasing sunlight intensifies the need for sun protection. Looking ahead, May escalates to a UVI of 8, marking the onset of very high exposure levels, compelling residents and visitors to remain vigilant about their sun safety. With the UV Index climbing through the spring and summer months, understanding these patterns is essential for enjoying the outdoors while minimizing risks. For more detailed information on UV levels throughout the year, check out the comprehensive guide at Port Townsend UV Index.

Maximum UV Index Levels in Port Townsend for April

The chart shows the monthly maximum UV Index (UVI) for Port Townsend in April, 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 April 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.

April Sunshine in Port Townsend

As spring unfolds in Port Townsend, April shines as a highlight in the sunlight calendar, boasting 243 hours of radiant sunshine. This marks a significant uptick compared to the earlier months, with sunlight hours steadily increasing from 213 in March. The trend continues into May, where sunshine peaks at 329 hours, showcasing the region’s transition into the bright, balmy days of late spring and early summer. This consistent increase from the colder months of January and February, which only yielded 84 and 141 hours respectively, paints a vivid picture of Port Townsend awakening under the sun's warm embrace. As the days grow longer and brighter, the community thrives, ready to embrace the vibrant outdoor activities that the season presents.

Monthly Sunshine Duration in Port Townsend: April Highlighted

The April sunshine duration represents the total number of hours Port Townsend experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec84h141h213h243h329h339h382h344h262h197h126h97h
Data source: Port Townsend April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Townsend During April

As spring blossoms in Port Townsend, the likelihood of sunny weather sees a notable increase, with April enjoying a 49% chance of sunshine. This marks a significant jump from the earlier months; January and February linger around 15% and 22%, respectively, while March begins to lift spirits with 31% sunlit days. April's promise of sun outshines not just its predecessors but also straddles the peak of the season leading into May, which dips slightly to 40%. Following this trend, the sun continues to shine through the summer months, reaching its zenith in July at 59%. Thus, April stands as a pivotal month as Port Townsend transitions into warmer days, offering an enticing glimpse of the brighter weather that lies ahead.

Percentage of Sunny Days in April in Port Townsend

The chart illustrates the percentage of sunny days in Port Townsend throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Townsend in April

As April rolls into Port Townsend, the days noticeably lengthen, bringing a vibrant 13 hours of daylight—a significant increase from the 11 hours seen in March. This trend of extending daylight continues to push the boundaries of the season, setting the stage for the sunny days ahead in May, which boasts 15 hours of light. Throughout the year, Port Townsend experiences a rhythmic ebb and flow of daylight, from the shorter brisk days of winter with just 8 hours in January and December to the sun-kissed heights of summer. April marks a delightful midpoint in this cycle, as the community awakens to longer evenings that encourage outdoor activities and exploration, reflecting nature’s gradual embrace of warmth and growth.

Average Daylight Hours in Port Townsend for April

The chart illustrates the variation in daylight duration in Port Townsend throughout the year, with April 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.

April Winds in Port Townsend

As April unfolds in Port Townsend, the average wind speed gently declines to 2.4 m/s (5 mph), marking a noticeable dip from the brisker breezes of previous months. This shift from the higher averages of winter—where January flirted with 4.0 m/s (9 mph)—indicates the approach of milder weather, as spring settles in. The winds remain relatively calm compared to earlier months, such as the energetic gusts of November at 4.3 m/s (10 mph). This temperate atmosphere not only invites the budding blooms of spring but also creates a serene backdrop for outdoor activities along the picturesque waterfront. As the season progresses into May and June, the wind speeds only slightly increase, solidifying a trend of gentle breezes that are characteristic of this coastal gem.

Average April Wind Speed in Port Townsend

The chart displays monthly wind speed patterns in Port Townsend, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.33.32.4 m/s2.52.62.22.32.83.84.34.0
Data source: Port Townsend April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April'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.

April generally experiences milder temperatures compared to January, with minimums around 2°C (37°F) and maximums reaching up to 20°C (68°F), whereas January sees minimums of -4°C (26°F) and maximums of only 13°C (55°F). Although April is warmer on average, it receives significant precipitation, totaling 124 mm (4.9 in) over about 16 days, while January has slightly higher precipitation at 160 mm (6.3 in) across 17 days. Humidity levels are also similar, with April averaging 83% and January at 86%. For a more detailed look at January weather, check out Port Townsend weather in January.

April and February in Port Townsend present distinct contrasts in weather patterns. In April, temperatures rise significantly with a minimum of 2°C (37°F) and an average of 9°C (49°F), reaching a maximum of 20°C (68°F). This month also experiences less precipitation, at 124 mm (4.9 in) over 16 days, with humidity slightly lower at 83%. In contrast, February is cooler, with temperatures ranging from a minimum of -6°C (22°F) to an average of 5°C (41°F), and maximums peaking at 13°C (55°F). February sees higher precipitation at 157 mm (6.2 in), spread over 21 days, and a humidity level of 84%. For a deeper look into February's weather specifics, check out Port Townsend weather in February.

April brings slightly warmer temperatures compared to March, with an average temperature of 9°C (49°F) compared to March's 7°C (45°F). The maximum temperatures also rise modestly, reaching 20°C (68°F) in April versus 19°C (67°F) in March. However, April experiences a bit more rainfall, with 124 mm (4.9 in) of precipitation over 16 days, compared to March's 131 mm (5.1 in) across 18 days. Humidity levels remain relatively similar, averaging 83% in April and 85% in March. For a detailed look at March weather, visit Port Townsend weather in March.

In April, temperatures range from a chilly minimum of 2°C (37°F) to a more comfortable maximum of 20°C (68°F), with an average temperature of 9°C (49°F). The month experiences considerable precipitation, totaling 124 mm (4.9 in) over 16 days, and maintains a high humidity level of 83%. In contrast, May sees an increase in temperatures, with a minimum of 5°C (42°F) and a maximum of 22°C (71°F), resulting in an average temperature of 12°C (54°F). Precipitation decreases to 91 mm (3.6 in) over 13 days, while humidity ticks up slightly to 84%. For a more detailed look at the weather trends, check out Port Townsend weather in May.

April and June showcase a significant transition in weather conditions. In April, temperatures range from a chilly minimum of 2°C (37°F) to a pleasant maximum of 20°C (68°F), with an average of 9°C (49°F) and a notable humidity level of 83%. The month experiences about 124 mm (4.9 in) of precipitation over 16 days, making it a relatively wet month. Conversely, June offers much warmer temperatures, with a minimum of 8°C (47°F) and a maximum reaching up to 31°C (88°F), averaging around 15°C (58°F). Despite a similar total precipitation of 125 mm (4.9 in) over 15 days, June's humidity slightly increases to 84%. Overall, June provides a more summery experience compared to the cool and damp conditions of April. For more details, check out Port Townsend weather in June.

April and July present contrasting weather conditions. In April, temperatures range from a chilly minimum of 2°C (37°F) to a pleasant maximum of 20°C (68°F), with an average of 9°C (49°F). The month experiences significant precipitation, with 124 mm (4.9 in) falling over 16 days, contributing to a high humidity level of 83%. In contrast, July is warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 25°C (77°F), and an average temperature of 17°C (62°F). Precipitation is much lighter in July, totaling 58 mm (2.3 in) spread over just 10 days, while humidity remains slightly lower at 82%. For more detailed information, check out Port Townsend weather in July.

April weather is characterized by cooler temperatures, with lows around 2°C (37°F) and an average of 9°C (49°F), while August offers a warmer climate, with minimum temperatures of 11°C (52°F) and an average of 17°C (63°F). Precipitation is notably higher in April, with 124 mm (4.9 in) falling over 16 days, compared to the much drier August, which sees only 51 mm (2.0 in) over 8 days. Additionally, April's humidity is relatively high at 83%, while August features a more comfortable humidity level of 73%. For a closer look at August weather, you can visit Port Townsend weather in August.

April and September present contrasting weather patterns that reflect the transition between spring and autumn. In April, temperatures typically range from a chilly 2°C (37°F) at night to a mild 20°C (68°F) during the day, with an average of 9°C (49°F). This month sees significant rainfall, with precipitation measuring around 124 mm (4.9 in) across 16 rainy days and high humidity at 83%.

In comparison, September enjoys warmer temperatures, with nighttime lows of 9°C (48°F) and daytime highs reaching 24°C (76°F), averaging 15°C (59°F). The precipitation levels are somewhat similar, with 129 mm (5.1 in) of rain over 15 days but lower humidity at 74%. The shift from April's chill to September's warmth marks a notable change in the climate, ideal for outdoor activities. For a more detailed look, check out Port Townsend weather in September.

April and October both feature mild temperatures, although October is slightly warmer on average. In April, temperatures range from a chilly 2°C (37°F) to a comfortable 20°C (68°F), with an average of 9°C (49°F). Conversely, October sees a minimum of 3°C (38°F) and a maximum of 21°C (69°F), with an average temperature of 11°C (52°F). Precipitation levels also differ, with April receiving 124 mm (4.9 in) over 16 days, while October experiences higher precipitation at 155 mm (6.1 in) over 18 days. Both months maintain a consistent humidity level of 83%. For more detailed information, you can check out Port Townsend weather in October.

April and November present distinctly different weather patterns, each characterized by their unique temperatures and precipitation levels. In April, temperatures range from a minimum of 2°C (37°F) to a maximum of 20°C (68°F), with an average of 9°C (49°F) and less rainfall at 124 mm (4.9 in) over 16 days. The humidity is relatively high at 83%. In contrast, November experiences cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 16°C (61°F), averaging around 8°C (47°F). It also sees increased rainfall, measuring 187 mm (7.4 in) over 20 days, alongside slightly higher humidity at 86%. For those interested in the specifics of November weather, check out Port Townsend weather in November.

April and December weather in Port Townsend present a stark contrast. In April, temperatures range from a chilly 2°C (37°F) to a pleasant high of 20°C (68°F), with an average of 9°C (49°F). The month sees significant precipitation, totaling 124 mm (4.9 in) over approximately 16 rainy days, accompanied by a humidity level of 83%. In contrast, December is colder, with temperatures dipping as low as -5°C (23°F) and averaging 6°C (43°F). This month experiences even more precipitation, amounting to 187 mm (7.4 in) over 21 days, and a slightly higher humidity of 87%. For more detailed insights, you can check out the Port Townsend weather in December.

Compare Port Townsend's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Port Townsend

April in Port Townsend is a month of transition, where the lingering chill of winter begins to yield to the warmth of spring. With average temperatures hovering around a mild 9°C, the days gradually warm up, making outdoor activities more enjoyable despite the frequent rain. The delightful 83% humidity adds a fresh, invigorating feel to the air, though it's not uncommon to encounter a rainy day, as precipitation occurs on nearly half the month. This dampness nurtures the region's lush greenery, contrasting sharply with the dry spells that often characterize the summer months. For a deeper look at what to expect throughout the year, visit Port Townsend Climate.