May Weather in Port Townsend, United States

Last updated: February 24, 2025

In May, Port Townsend, United States experiences a delightful transition into spring, boasting a maximum temperature of 22°C (71°F) while the average settles around a pleasant 12°C (54°F). With temperatures dipping to a minimum of 5°C (42°F), residents and visitors alike enjoy the mild climate. However, the month is also characterized by 91 mm (3.6 in) of precipitation over approximately 13 days, contributing to the region's lush greenery. Humidity levels remain relatively high at 84%, enhancing the refreshing coastal atmosphere that defines this charming seaside town.

May Temperature in Port Townsend

In Port Townsend, United States, the month of May marks a delightful transition into warmer weather, showcasing a significant rise in temperatures compared to the earlier months. With a minimum of 5°C (42°F) and a comfortable average of 12°C (54°F), May invites residents and visitors alike to fully embrace the outdoors. The maximum temperatures reach a pleasant 22°C (71°F), making it an ideal time for picnics, strolls by the waterfront, and enjoying local events. This upward trend in warmth sets the stage for the upcoming summer months, as May positions itself as a gateway that balances the lingering coolness of spring with the promise of sunnier days ahead.

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

The chart illustrates May 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.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Port Townsend

In May, Port Townsend experiences a notable drop in precipitation, recording 91 mm (3.6 in) over just 13 days of rain. This decrease follows the trend from earlier months, with April bringing 124 mm (4.9 in) of rain across 16 days. The milder weather sets the stage for the approaching summer, as May marks a significant shift towards drier conditions compared to the wetter, more tumultuous months of winter and early spring. With the lighter rainfall, locals and visitors alike can savor the blossoming landscape and enjoy more outdoor activities, making May a delightful transitional month in this charming coastal town.

May Precipitation Trends in Port Townsend

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

May Humidity in Port Townsend

In Port Townsend, the humidity trends exhibit a remarkable stability throughout the year, with May maintaining a comfortable 84% humidity level. Following the slightly higher winter months, which peak at 86% in January and November, the transition into spring reveals modest decreases, with April seeing a slight dip to 83%. May’s humidity aligns closely with the averages of April and June, reflecting a consistent maritime influence that characterizes the region. This pattern continues into the summer with July, when humidity drops to 82%, suggesting a gradual shift towards drier conditions, yet still retaining a notable degree of moisture that contributes to the area's lush scenery. Overall, May serves as a bridge between the wetter winter months and the drier summer season, encapsulating the unique balance of Port Townsend's climate.

May Average Humidity in Port Townsend

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

May UV Index in Port Townsend

In May, Port Townsend experiences a significant spike in UV Index levels, reaching 8, categorized as very high. This marks a transition from the moderate exposure of earlier months to a period where sun safety becomes increasingly critical, with a burn time of just 15 minutes. As summer approaches, the UV Index remains elevated, peaking at 9 in the following months of June and July. It's essential for residents and visitors alike to take proactive measures to protect their skin, as the intensity of UV radiation can escalate quickly. For more details on how to stay safe under the sun, check out the Port Townsend UV Index.

Maximum UV Index Levels in Port Townsend for May

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

May Sunshine in Port Townsend

May in Port Townsend is a radiant transition into summer, showcasing 329 hours of sunshine that outshines earlier months like January and February, which only captured 84 and 141 hours, respectively. As spring unfolds, the hours of sunshine steadily increase from 243 in April to May's impressive total, highlighting the region's vibrant blossoming flora and energizing outdoor activities. This upward trend continues into June and July, with June seeing an even greater 339 hours, but there's something particularly magical about May's warm embrace as residents and visitors alike begin to relish the longer days. The sun-soaked days of May herald the bustling summer months ahead, making it a perfect time to explore the stunning natural beauty of Port Townsend.

Monthly Sunshine Duration in Port Townsend: May Highlighted

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

Chance of Sun in Port Townsend During May

In Port Townsend, the likelihood of encountering sunny weather in May sees a slight dip, with a 40% chance of sunshine. This marks a notable transition from the steadily increasing probabilities observed in the prior months; after April's peak of 49%, the weather outlook begins to moderate as the region heads into early summer. Interestingly, while May's sunshine potential is lower than April's, it sets the stage for a return to brighter skies in June, which boasts a 51% chance of sun. This pattern highlights the dynamic nature of weather in Port Townsend, where each month brings its own character and charm, though May remains a delightful option for outdoor activities with a decent chance of enjoying pleasant sunshine.

Percentage of Sunny Days in May in Port Townsend

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

Daylight Hours in Port Townsend in May

As spring unfolds in Port Townsend, May heralds a significant increase in daylight, boasting an impressive 15 hours of sunlight. This peak in duration reflects a broader seasonal trend where daylight steadily climbs from 8 hours in January to a splendid 13 hours in April. Following May, daylight maintains its robust length through June and July, before gradually tapering off in August and beyond. This transition not only brightens the days but also invites outdoor activities and vibrant community engagement, making May a beloved month for both residents and visitors alike. The rhythm of daylight in Port Townsend encapsulates the beauty of seasonal change, infusing life with energy and warmth as summer approaches.

Average Daylight Hours in Port Townsend for May

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

May Winds in Port Townsend

In May, Port Townsend enjoys a gentle reprieve from the stronger winds of earlier months, with an average wind speed of 2.5 m/s (6 mph). This is a slight uptick from April's 2.4 m/s but remains notably less blustery compared to the winter months. As the Pacific spring unfolds, residents can expect calmer breezes that add to the charm of outdoor activities. The gradual wind increase seen from April to June hints at a mild warming trend, where the cool coastal air begins to mingle with the approaching summer heat. Overall, May serves as a delightful transition, characterized by its inviting atmosphere and light winds, ideal for sailing, cycling, and leisurely strolls by the waterfront.

Average May Wind Speed in Port Townsend

The chart displays monthly wind speed patterns in Port Townsend, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.33.32.42.5 m/s2.62.22.32.83.84.34.0
Data source: Port Townsend May wind data, generated using information from the Copernicus Climate Change Service.

How May 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 May'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.

May typically offers milder temperatures compared to January, with an average of 12°C (54°F) and highs reaching 22°C (71°F), while January sees colder averages of around 6°C (43°F) with maximum temperatures of 13°C (55°F). Precipitation is also notably lower in May, with 91 mm (3.6 in) over 13 days, compared to January's 160 mm (6.3 in) spread across 17 days. Furthermore, humidity levels remain comparably high, at 84% in May and slightly higher at 86% in January. For more detailed insights, please refer to Port Townsend weather in January.

In comparing the weather of May and February, it’s evident that May experiences milder temperatures, with a minimum of 5°C (42°F) and an average of 12°C (54°F), while February is significantly colder, starting at a minimum of -6°C (22°F) and averaging just 5°C (41°F). Precipitation is more prevalent in February, accumulating to 157 mm (6.2 in) over 21 days, compared to May's 91 mm (3.6 in) over 13 days. Interestingly, both months share the same humidity level of 84%, creating a damp atmosphere throughout both periods. For those interested in a more detailed outlook, Port Townsend weather in February provides specific insights into February's climate.

When comparing the weather in May and March, it’s evident that May boasts milder temperatures, with average highs reaching 22°C (71°F) compared to March's average high of 19°C (67°F). However, March experiences slightly lower minimum temperatures, starting at 0°C (32°F), while May's minimum is a more comfortable 5°C (42°F). Additionally, May has fewer rainy days, with 13 days of precipitation and a total of 91 mm (3.6 in) of rainfall, in contrast to March which sees 18 days of rainfall totaling 131 mm (5.1 in). Both months have similar humidity levels, with May at 84% and March at 85%. For more detailed insights, you can check Port Townsend weather in March.

In comparing the weather of April and May, we see a noticeable improvement in temperatures as May presents a minimum of 5°C (42°F) and an average of 12°C (54°F), compared to April's minimum of 2°C (37°F) and average of 9°C (49°F). While both months experience significant rainfall, April has slightly higher precipitation at 124 mm (4.9 in) over 16 days, while May sees 91 mm (3.6 in) over 13 days. The humidity levels remain fairly consistent, with April at 83% and May at 84%. Overall, May offers a warmer climate with less rainfall, heralding the approach of summer. For more details on April's weather, visit Port Townsend weather in April.

May and June present a notable transition in weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 22°C (71°F), with an average of 12°C (54°F) and rainfall totaling 91 mm (3.6 in) over 13 days. In contrast, June boasts warmer temperatures, with a low of 8°C (47°F), an average of 15°C (58°F), and highs reaching up to 31°C (88°F). However, June also experiences more precipitation, totaling 125 mm (4.9 in) across 15 days. Humidity remains constant at 84% for both months, creating a potentially sticky atmosphere as the season progresses. For more specifics on June weather, check out Port Townsend weather in June.

In comparing the weather between May and July, we can see notable differences in temperature and precipitation. May tends to be cooler, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 22°C (71°F), while July offers milder conditions, with averages between 11°C (52°F) and 25°C (77°F). Additionally, May experiences more precipitation, totaling 91 mm (3.6 in) over 13 days, compared to July's 58 mm (2.3 in) over 10 days. Despite this, humidity levels remain relatively similar, at 84% in May and 82% in July. For more insights, you can check Port Townsend weather in July.

May and August present notably different weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 22°C (71°F), with an average temperature of 12°C (54°F). Precipitation is higher in May, with 91 mm (3.6 in) falling over 13 days, contributing to a high humidity level of 84%. In contrast, August sees warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 27°C (81°F), averaging around 17°C (63°F). Precipitation in August is significantly reduced to 51 mm (2.0 in) over just 8 days, and humidity drops to 73%. For more details on August weather in Port Townsend, check out Port Townsend weather in August.

May and September present distinct weather patterns, showcasing the transition from spring to autumn. In May, temperatures range from a chilly minimum of 5°C (42°F) to a comfortable maximum of 22°C (71°F), with an average of 12°C (54°F). This month experiences about 91 mm (3.6 in) of precipitation over 13 days, coupled with high humidity at 84%. In contrast, September offers slightly milder conditions, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 24°C (76°F), averaging 15°C (59°F). However, it is also the wetter month, featuring around 129 mm (5.1 in) of rainfall across 15 days, and humidity drops to 74%. For further insights into the climate of September, you can explore Port Townsend weather in September.

May and October present a contrast in weather, with May generally being warmer and more temperate. In May, temperatures range from a minimum of 5°C to a maximum of 22°C, with an average of 12°C, while October features slightly cooler conditions with temperatures from 3°C to 21°C, averaging at 11°C. Additionally, May has lower precipitation levels, with 91 mm falling over 13 days compared to October’s higher 155 mm over 18 days. Humidity levels remain similar, with May at 84% and October at 83%. For more detailed information, you can check Port Townsend weather in October.

May typically enjoys milder and more pleasant weather compared to November, with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 22°C (71°F). In contrast, November experiences cooler temperatures, averaging between 1°C (35°F) and 16°C (61°F), making it significant chillier. Additionally, May has lower precipitation levels, with about 91 mm (3.6 in) over approximately 13 days, whereas November sees increased rainfall of 187 mm (7.4 in) spread across around 20 days. The humidity levels in both months are quite similar, hovering around 84% in May and 86% in November, contributing to a damp feel during late fall. For more detailed information, you can check Port Townsend weather in November.

May brings a milder climate with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 22°C (71°F) and an average of 12°C (54°F). The month sees about 91 mm (3.6 in) of precipitation over 13 days and enjoys a relatively high humidity level of 84%. In contrast, December presents a more chilled atmosphere, with temperatures dropping to a minimum of -5°C (23°F) and reaching a maximum of 13°C (55°F), averaging around 6°C (43°F). Additionally, it experiences a higher precipitation rate of 187 mm (7.4 in) across 21 days, coupled with an increased humidity of 87%. For more details on December's conditions, check out Port Townsend weather in December.

Compare Port Townsend's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Port Townsend

As May unfolds in Port Townsend, the weather begins to shift, offering a refreshing transition from the cooler spring months. With average temperatures rising to a pleasant level, residents and visitors can expect warmer days contrasted by the lingering chill of early mornings and nights. This month sees increased humidity, contributing to a lush, vibrant landscape, but also brings along a fair share of rain, with precipitation occurring on roughly half the days. Overall, May’s blend of warmth and moisture sets the stage for the upcoming summer season, making it a delightful time to experience the beauty of this charming coastal town. For more insights on the climate throughout the year, visit Port Townsend Climate.