May Weather in Cascade Locks, United States

Last updated: February 24, 2025

In May, Cascade Locks, United States experiences a dynamic climate characterized by a maximum temperature reaching 30°C (86°F), while the average temperature settles around a mild 12°C (54°F). The month sees occasional cool spells with temperatures dipping to a minimum of 0°C (33°F). Rainfall is common, with a total precipitation of 86 mm (3.4 in) spread over 12 days, contributing to an overall humidity level of 80% that enhances the lushness of the region. This unique blend of warmth and moisture creates an inviting atmosphere for outdoor enthusiasts and nature lovers alike.

May Temperature in Cascade Locks

In Cascade Locks, United States, May brings a refreshing change as temperatures begin to rise significantly from the chill of earlier months. With a minimum of 0°C (33°F) and a comfortable average of 12°C (54°F), the month signals the full arrival of spring. Daytime highs can even reach 30°C (86°F), inviting outdoor adventures and blossoming landscapes. This upward trend from the colder, more frigid temperatures of January through April reflects the region's gradual transition to warmer weather. As the days lengthen and the air warms, May becomes a delightful month for residents and visitors alike, setting the stage for the balmy summer temperatures just around the corner.

May Weather in Cascade Locks: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Cascade Locks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353540465459656659484136
Data source: Temperature data for Cascade Locks 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 Cascade Locks

In Cascade Locks, May marks a significant shift in precipitation patterns as the spring season begins to wane. With an average of 86 mm (3.4 in) of rainfall over 12 days, May is notably drier compared to the preceding months of January through April, which see much higher totals averaging around 275 mm to 301 mm. This trend reflects a gradual transition into the drier summer months, where June further reduces precipitation to 72 mm (2.8 in) over just 9 days. As the lingering chill of winter subsides, May offers a glimpse of the sunnier days ahead, making it a pleasant time in the region despite the decrease in rainfall.

May Precipitation Trends in Cascade Locks

The chart displays monthly precipitation patterns in Cascade Locks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2753011941708672913103201265302
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cascade Locks

As spring transitions into summer, May in Cascade Locks presents a noticeable drop in humidity, averaging 80%. This decline marks the beginning of a trend that continues into the drier months ahead, with July hitting its lowest at 78%. Compared to earlier months, such as January and February where humidity levels hover around 86% to 87%, May offers a breath of fresh air, signaling a gradual shift toward a more comfortable climate. This decrease not only enhances outdoor experiences but also sets the stage for the warmer, sunnier days of summer, while hinting at the seasonal return to higher humidity as the year winds down towards fall.

May Average Humidity in Cascade Locks

This chart illustrates the average monthly humidity levels in Cascade Locks, 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%87%86%85%80%82%79%63%59%78%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cascade Locks

In May, Cascade Locks experiences a notable shift in the UV Index, reaching a peak of 9, which falls into the very high exposure category. This marks a significant increase from the preceding months, where the index hovered between 6 and 7, indicating a growing need for caution as the potential for sunburn dramatically reduces burn time to just 15 minutes. As the days get sunnier and longer, it’s crucial for residents and visitors to embrace sun safety measures, from wearing sunscreen to seeking shade during peak hours. With the summer months approaching, staying informed about the UV Index can help everyone enjoy the vibrant outdoor activities Cascade Locks has to offer while protecting their skin. For more insights, check out the detailed Cascade Locks UV Index.

Maximum UV Index Levels in Cascade Locks for May

The chart shows the monthly maximum UV Index (UVI) for Cascade Locks 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.
JanFebMarAprMayJunJulAugSepOctNovDec24679101098532
Data source: Cascade Locks 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 Cascade Locks

As the calendar turns to May, Cascade Locks basks in an impressive 322 hours of sunshine, marking a noticeable leap from the earlier months. The gradual increase in sunlight mirrors the blooming vitality of spring, with April's 256 hours giving way to the brighter days of May. This trend continues into June and July, where residents enjoy peak sunlight, reaching a high of 401 hours. The sunny days of late spring and summer foster an invigorating atmosphere, while the gradual decline in sunlight begins in August and continues into the fall, reminding us of the seasonal cycle's rhythm. This vibrant tapestry of sunshine not only enhances the natural beauty of Cascade Locks but also invites outdoor adventures and communal gatherings, painting a rejuvenating picture of life in this scenic locale.

Monthly Sunshine Duration in Cascade Locks: May Highlighted

The May sunshine duration represents the total number of hours Cascade Locks 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.
JanFebMarAprMayJunJulAugSepOctNovDec95h131h210h256h322h357h401h357h279h223h148h121h
Data source: Cascade Locks May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cascade Locks During May

In Cascade Locks, United States, the likelihood of sunny weather shows an interesting seasonal progression. As winter transitions into spring, the chance of sunshine rises notably, with May boasting a 35% chance of clear skies, following a significant jump from April's 51%. While May’s percentage may seem moderate compared to the forthcoming summer months, it still reflects a promising trend of increasing warmth and sunshine, especially when juxtaposed with **January's timid 13%. This steady upward trajectory continues into June, which sees a remarkable 59% chance of sun, making it clear that Cascade Locks is welcoming the sunny embrace of summer just around the corner.

Percentage of Sunny Days in May in Cascade Locks

The chart illustrates the percentage of sunny days in Cascade Locks 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 Cascade Locks experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%10%32%51%35%59%73%55%49%27%11%7%
Data source: Cascade Locks May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cascade Locks in May

In Cascade Locks, United States, the arrival of May marks a delightful transition into longer days, with 14 hours of daylight illuminating the landscape. This increase continues the upward trend from April's 13 hours and paves the way for the summer months, where June and July boast maximum daylight at 15 hours. The gradual extension of daylight from January’s 9 hours to May not only enhances outdoor activities but also uplifts the community's spirit as nature comes alive. As the year unfolds, daylight begins to recede again in August, signaling the start of a seasonal shift, ultimately bringing us back to the cozy shorter days of winter by December.

Average Daylight Hours in Cascade Locks for May

The chart illustrates the variation in daylight duration in Cascade Locks throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 8m10h 23m11h 57m13h 34m14h 56m15h 37m15h 14m14h 1m12h 28m10h 52m9h 27m8h 43m
Data source: Cascade Locks daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Cascade Locks

In Cascade Locks, United States, the wind patterns in May mirror the consistent breezes typical of the early spring months, with an average speed of 2.4 m/s (5 mph). This steadiness can be observed throughout the year, where wind speeds hover around the same mark, especially from April to June, which all maintain the same breeze levels. Interestingly, January and March stand out with slightly lower averages of 2.2 m/s and 2.1 m/s, respectively. November experiences the most notable uptick, reaching 2.5 m/s (6 mph). Overall, May’s gentle winds contribute to the region's charm, offering a perfect backdrop for outdoor enthusiasts as they embrace the beautiful scenery that surrounds them.

Average May Wind Speed in Cascade Locks

The chart displays monthly wind speed patterns in Cascade Locks, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.23.02.12.42.4 m/s2.32.32.32.12.22.52.4
Data source: Cascade Locks May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Cascade Locks Compares to Other Months

The weather in Cascade Locks 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 Cascade Locks and find detailed weather information for every month.

May and January present contrasting weather patterns. In May, temperatures range from a chilly minimum of 0°C (33°F) to a warm maximum of 30°C (86°F), with an average of 12°C (54°F), while January experiences much colder conditions, with a minimum of -16°C (4°F) and a maximum of 12°C (54°F), averaging just 2°C (36°F). Additionally, May sees less precipitation at 86 mm (3.4 in) over 12 days, compared to January's significantly higher rainfall of 275 mm (10.8 in) over 18 days. Both months have relatively high humidity levels, with January slightly higher at 86% compared to May's 80%. For more detailed insights, check out this link: Cascade Locks weather in January.

May and February present starkly contrasting weather conditions. In May, temperatures range from a chilly minimum of 0°C (33°F) to a warm maximum of 30°C (86°F), with an average of 12°C (54°F). Conversely, February is significantly colder, with minimum temperatures plunging to -17°C (1°F) and a maximum of only 14°C (58°F), and an average temperature of just 2°C (35°F). Additionally, February experiences much higher precipitation, totaling 301 mm (11.8 in) over 21 days, compared to May’s 86 mm (3.4 in) across 12 days. Humidity levels are slightly higher in February at 87%, compared to 80% in May. For more detailed information, you can check the Cascade Locks weather in February.

In comparing the weather of May and March, we see a notable shift in temperatures and precipitation patterns. May enjoys milder temperatures, with a minimum of 0°C and a maximum of 30°C, averaging around 12°C. In contrast, March experiences cooler temperatures, ranging from a minimum of -9°C to a maximum of 20°C, with an average of just 4°C. While May has lower precipitation at 86 mm over 12 days, March brings significantly more rain, totaling 194 mm across 18 days. Additionally, March has a slightly higher humidity level at 86%, compared to May's 80%. For a more detailed look at March conditions, check out Cascade Locks weather in March.

When comparing the weather in May and April, notable differences emerge. May typically experiences a wider temperature range, with minimums at 0°C (33°F) and maximums reaching 30°C (86°F), while April’s temperatures span from a chillier -4°C (26°F) to a maximum of 26°C (79°F). Additionally, May is marked by slightly less precipitation, totaling 86 mm (3.4 in) over 12 days, compared to April's heavier rainfall of 170 mm (6.7 in) across 16 days. Humidity levels are comparably high in both months, with May at 80% and April at 85%. For a more detailed look at April weather, you can visit Cascade Locks weather in April.

In May, temperatures in Cascade Locks range from a chilly minimum of 0°C (33°F) to a warm maximum of 30°C (86°F), with an average of 12°C (54°F). The month experiences 86 mm (3.4 in) of precipitation over 12 days, accompanied by a humidity level of 80%. In contrast, June sees a slight increase in minimum temperature to 4°C (40°F) and a higher average of 15°C (60°F), peaking at a scorching 42°C (108°F). Despite being warmer, June has less precipitation at 72 mm (2.8 in) over 9 days, and humidity remains relatively high at 82%. For more detailed insights about June's weather, you can check Cascade Locks weather in June.

May and July showcase distinct weather patterns, with May experiencing cooler temperatures and higher precipitation. In May, temperatures range from a chilly 0°C (33°F) to a warm 30°C (86°F), averaging around 12°C (54°F), while the month sees 86 mm (3.4 in) of rainfall over 12 days at a humidity level of 80%. In contrast, July brings warmer conditions with minimum temperatures of 6°C (42°F) and maximums reaching 37°C (98°F), averaging 19°C (66°F). The summer month is characterized by significantly less rainfall—only 9 mm (0.4 in) over just 3 days—and a slightly lower humidity of 78%. For a detailed look at the July climate, you can check Cascade Locks weather in July.

May presents a more variable weather pattern, with temperatures ranging from a chilly 0°C (33°F) to a warm 30°C (86°F) and an average of 12°C (54°F). This month also sees a significant amount of precipitation, totaling 86 mm (3.4 in) over about 12 days, along with a higher humidity level of 80%. In contrast, August offers a warmer climate, with temperatures starting at 6°C (43°F), peaking at a hot 38°C (101°F), and averaging 19°C (67°F). The precipitation drops dramatically to just 13 mm (0.5 in) over 4 days, and humidity levels decrease to a more comfortable 62%. For more details, check out Cascade Locks weather in August.

May and September present distinct weather patterns, characterized by differences in temperature and precipitation. In May, temperatures range from a chilly 0°C (33°F) to a warm 30°C (86°F), with an average of 12°C (54°F). The month sees about 86 mm (3.4 in) of precipitation over 12 days, contributing to higher humidity levels at 80%. Conversely, September offers a milder climate with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 35°C (96°F), averaging 15°C (60°F). While September has slightly more precipitation at 103 mm (4.0 in), it falls over fewer days—only 9—resulting in lower humidity at 59%. For a more detailed look at September weather, you can check Cascade Locks weather in September.

May and October present contrasting weather patterns despite both being transitional months. In May, temperatures range from a cool 0°C (33°F) to a warm 30°C (86°F) with an average of 12°C (54°F), while October's temperatures are generally cooler, with a minimum of -5°C (24°F), an average of 9°C (48°F), and a maximum of 26°C (78°F). The amount of precipitation also differs significantly; May experiences about 86 mm (3.4 in) over 12 days, compared to October's higher 201 mm (7.9 in) spread across 14 days. Both months have similar humidity levels, hovering around 80% in May and slightly lower at 78% in October. For those interested in specific weather forecasts for October, you can refer to Cascade Locks weather in October.

May and November exhibit striking contrasts in weather patterns. In May, temperatures range from a chilly 0°C (33°F) at night to a warm 30°C (86°F) during the day, with an average of 12°C (54°F). The month sees a total precipitation of 86 mm (3.4 in) over about 12 days, and humidity hovers around 80%. In comparison, November experiences much cooler temperatures, with lows plummeting to -4°C (25°F) and a daily maximum reaching just 17°C (62°F), averaging 5°C (41°F). Rainfall is significantly higher in November, totaling 265 mm (10.4 in) across 19 days, while humidity rises slightly to 88%. For more detailed information about Cascade Locks weather in November, visit Cascade Locks weather in November.

May and December present stark contrasts in weather. In May, temperatures range from a mild 0°C (33°F) at night to a warm 30°C (86°F) during the day, with an average of 12°C (54°F). The month sees about 86 mm (3.4 in) of precipitation over 12 days and maintains a humidity level of 80%. In contrast, December experiences much colder temperatures, with a minimum of -12°C (11°F) and a maximum of 14°C (58°F), averaging only 2°C (36°F). This month is significantly wetter, receiving 302 mm (11.9 in) of rain spread over 21 days, coupled with a higher humidity of 88%. For more detailed insights on the December weather, check out Cascade Locks weather in December.

Compare Cascade Locks's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Cascade Locks

As May rolls in, Cascade Locks experiences a delightful contrast to the previous months. The warming temperatures usher in a refreshing vibrancy, with the daily average basking in the cool embrace of early spring while occasional highs bring hints of summer warmth. The increased rainfall provides essential moisture, nurturing the lush landscapes that define this charming region and often resulting in overcast skies—a stark departure from the drier, sunnier months ahead. With humidity levels hovering around 80%, the air feels notably thicker, invigorating the senses as nature awakens. For those looking to understand the full spectrum of what May brings to Cascade Locks, exploring the details through Cascade Locks Climate can offer valuable insights.