May Weather in Cannon Beach, United States

Last updated: February 24, 2025

In May, Cannon Beach, United States, experiences a delightful blend of mild temperatures and refreshing coastal weather. With maximums reaching 21°C (70°F) and an average around 12°C (53°F), outdoor activities are inviting against a backdrop of stunning ocean views. However, be prepared for occasional rain, as 72 mm (2.8 in) of precipitation falls over 12 days throughout the month, accompanied by relatively high humidity at 83%. This mix of warmth and moisture creates a lush landscape, making May an ideal time to explore the natural beauty of this iconic coastal destination.

May Temperature in Cannon Beach

As spring transitions into summer, Cannon Beach experiences a noticeable warming trend in May. The temperatures start to rise, with minimum values hovering around 6°C (43°F), while the average reaches a comfortable 12°C (53°F), peaking at an inviting 21°C (70°F). This marks a significant increase from the cooler months, reflecting the region's shift to more pleasant weather that encourages outdoor activities and beach outings. Visitors can enjoy milder days with longer daylight hours, making May an ideal time to explore the stunning coastline and vibrant local culture, all while basking in the blissful spring warmth.

May Weather in Cannon Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Cannon Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464446495357596059545046
Data source: Temperature data for Cannon Beach 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.

May Precipitation in Cannon Beach

May in Cannon Beach brings a notable shift in weather patterns as precipitation takes a significant dip, with only 72 mm (2.8 in) of rain measured over 12 days. This marks a clear transition from the wetter months earlier in the year—like January's 252 mm (9.9 in) and April's 145 mm (5.7 in)—allowing residents and visitors to enjoy more sunny days. As spring unfolds, the coastal town experiences a refreshing reduction in rainfall, setting the stage for the drier summer months ahead. The trend shows a continued decline in precipitation as June follows with just 63 mm (2.5 in), indicating a welcome respite and the promise of dry adventures along the stunning Oregon coast.

May Precipitation Trends in Cannon Beach

The chart displays monthly precipitation patterns in Cannon Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2522241821457263202091166258272
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cannon Beach

In Cannon Beach, United States, the month of May marks a slight easing in humidity, with levels averaging around 83%, mirroring the consistent trends observed in April and June. The drop in humidity from the winter months—where levels hover around 85%—signals the transition into more temperate spring conditions. As the year progresses, a noticeable decline in humidity can be seen through the summer months, with August hitting its lowest at 74%. This pattern reflects a gradual shift from the colder, more humid winters to drier summer air, making May a pleasant time to enjoy the beach before the summer crowds arrive.

May Average Humidity in Cannon Beach

This chart illustrates the average monthly humidity levels in Cannon Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cannon Beach

In May, Cannon Beach experiences a significant rise in the UV Index, soaring to 9, which falls into the very high exposure category. This is a stark contrast to the previous months, where the index lingered between 2 and 6. As the burn time sharply decreases to just 15 minutes, it’s essential for residents and visitors alike to take precautions against UV radiation. This trend indicates a strong shift towards sunnier days as spring transitions into summer, making it crucial to stay protected during outdoor activities. For more detailed insights, check out the Cannon Beach UV Index.

Maximum UV Index Levels in Cannon Beach for May

The chart shows the monthly maximum UV Index (UVI) for Cannon Beach 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.
JanFebMarAprMayJunJulAugSepOctNovDec2356910987532
Data source: Cannon Beach 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 Cannon Beach

In Cannon Beach, May shines brightly with an impressive 289 hours of sunshine, marking a significant leap from the previous months. As the spring blooms, the days grow longer and sunnier, building on April's total of 231 hours. This upward trend continues into June, which boasts even more sunshine at 323 hours, highlighting the region's transition into its vibrant summer season. The consistent increase in sunlight not only enhances the beauty of Cannon Beach but also invites locals and visitors alike to embrace outdoor activities, making May a delightful time to experience the natural splendor of this coastal gem.

Monthly Sunshine Duration in Cannon Beach: May Highlighted

The May sunshine duration represents the total number of hours Cannon Beach 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.
JanFebMarAprMayJunJulAugSepOctNovDec90h132h207h231h289h323h358h326h263h207h135h106h
Data source: Cannon Beach May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cannon Beach During May

As spring unfolds in Cannon Beach, May brings with it a 24% chance of sunny weather, a noticeable dip from the increasing trend observed in April, which boasts a 43% likelihood of sunshine. While the skies tend to clear up more frequently as summer approaches, the variability in May's weather can still lead to unpredictable days. This month stands out with a decline from the early spring highs, reminding visitors and locals alike to embrace the region's typically mild, coastal charm. As summertime nears, the chances of enjoying sun-kissed days are set to rise again, making late spring a transitional period that balances promise with uncertainty in the Pacific Northwest.

Percentage of Sunny Days in May in Cannon Beach

The chart illustrates the percentage of sunny days in Cannon Beach 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 Cannon Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%17%33%43%24%39%24%30%38%28%15%16%
Data source: Cannon Beach May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cannon Beach in May

As spring unfolds in Cannon Beach, United States, the length of daylight gradually increases, revealing nature’s vibrant hues. In May, the days stretch to a delightful 14 hours, providing ample time for outdoor adventures and scenic exploration. This growing brightness not only enhances the beauty of coastal landscapes but also signals the approach of summer, which brings the longest days of the year at 15 hours in June and July. Following this peak, daylight begins to wane again, gradually receding as autumn settles in. This annual rhythm creates a dynamic tapestry of light that invites residents and visitors alike to savor each moment in this picturesque locale.

Average Daylight Hours in Cannon Beach for May

The chart illustrates the variation in daylight duration in Cannon Beach throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 6m10h 22m11h 57m13h 34m14h 58m15h 39m15h 16m14h 2m12h 28m10h 51m9h 26m8h 42m
Data source: Cannon Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Cannon Beach

In Cannon Beach, May greets visitors with a gentle breeze, an average wind speed of 4.7 m/s (10 mph), presenting a subtle transition from the spring's lighter gusts. After the brisker winds of April, which averaged 4.1 m/s (9 mph), May's conditions offer a more moderate yet refreshing experience, ideal for those looking to enjoy the stunning coastal scenery. As the summer months approach, an upward trend in wind speeds is observed, with June and July stabilizing around 4.3 m/s to 4.5 m/s (10 mph). This consistent wind pattern, characteristic of the coastal climate, sets the stage for delightful outdoor activities and picturesque beach strolls, while simultaneously foreshadowing the return of stronger winds later in the year, peaking in November at 6.5 m/s (14 mph).

Average May Wind Speed in Cannon Beach

The chart displays monthly wind speed patterns in Cannon Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.86.05.64.14.7 m/s4.34.53.94.45.86.56.1
Data source: Cannon Beach May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Cannon Beach Compares to Other Months

The weather in Cannon Beach 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 Cannon Beach and find detailed weather information for every month.

May and January present starkly contrasting weather patterns. In May, temperatures range from a cool minimum of 6°C (43°F) to a comfortable maximum of 21°C (70°F), with average precipitation of 72 mm (2.8 inches) over about 12 days. The humidity is quite high at 83%, giving the month a lush feel as spring unfolds. In contrast, January sees lower temperatures, with a minimum of 0°C (32°F) and a maximum of 13°C (56°F), combined with significantly higher precipitation of 252 mm (9.9 inches) spread over 18 days. The humidity level remains similar at 85%, contributing to the wetter, colder conditions typical of winter. For more specific details on January weather, you can check out Cannon Beach weather in January.

When comparing the weather in May and February, several notable differences arise. May typically enjoys milder temperatures, with averages ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), while February's temperatures are cooler, peaking at just 13°C (55°F). Additionally, May experiences significantly less precipitation, totaling 72 mm (2.8 in) across 12 rainy days, contrasting with February's much wetter conditions, which see 224 mm (8.8 in) of rain over 20 days. Humidity levels remain quite similar between the two months, with May at 83% and February slightly higher at 84%. For those curious about the specific weather patterns during February, more detailed information can be found at Cannon Beach weather in February.

In comparing the weather between March and May, we see a notable warming trend as spring progresses. May boasts milder temperatures, with a minimum of 6°C and an average of 12°C, peaking at a comfortable 21°C, while March starts off cooler, with temperatures ranging from a minimum of 1°C to a maximum of 18°C. Additionally, May experiences significantly less precipitation, with 72 mm over 12 days, compared to March’s 182 mm over 18 days. Humidity levels remain relatively similar, with March at 85% and May at 83%. For a detailed look at the weather in March, you can visit Cannon Beach weather in March.

When comparing the weather in May and April, it's clear that May tends to be milder with a minimum temperature of 6°C (43°F) and an average of 12°C (53°F), while April has cooler temperatures, with a minimum of 2°C (36°F) and an average of 9°C (49°F). May also showcases a warmer maximum temperature of 21°C (70°F) compared to April's maximum of 20°C (67°F). However, April brings significantly more rainfall with 145 mm (5.7 in) over 17 days, whereas May sees less precipitation at 72 mm (2.8 in) spread across 12 days. Both months share a similar humidity level of 83%. For a detailed look at the weather conditions, check out Cannon Beach weather in April.

May and June display a noticeable transition in weather patterns. In May, temperatures range from a chilly 6°C (43°F) to a pleasant max of 21°C (70°F), with an average of 12°C (53°F). This month experiences more precipitation, totaling 72 mm (2.8 in) over 12 days, while humidity remains relatively high at 83%. In contrast, June brings warmer temperatures, with a minimum of 10°C (49°F), an average of 14°C (57°F), and a maximum of 25°C (77°F). Precipitation in June decreases to 63 mm (2.5 in) over just 9 days, maintaining the same humidity level of 83%. For more detailed insights, check out this link: Cannon Beach weather in June.

In comparing the weather between May and July, we see notable differences in temperature and precipitation. May typically experiences cooler temperatures, with a minimum of 6°C (43°F) and an average of 12°C (53°F), while July showcases a milder minimum of 11°C (52°F) and a slightly higher average of 15°C (59°F). Both months share a maximum temperature of 21°C (70°F). However, May is significantly wetter, receiving 72 mm (2.8 in) of precipitation over 12 days, compared to just 20 mm (0.8 in) over 4 days in July. Interestingly, humidity levels remain fairly consistent, with May at 83% and July at 82%. For more detailed insights on July weather, you can check Cannon Beach weather in July.

May and August exhibit notable differences in weather conditions. In May, temperatures range from a chilly 6°C (43°F) to a mild 21°C (70°F), with an average of 12°C (53°F). This month also experiences higher precipitation, totaling 72 mm (2.8 in) over 12 days, accompanied by a humidity level of 83%. In contrast, August offers a more temperate climate, with minimum temperatures of 11°C (53°F) and maximums reaching 24°C (76°F). The monthly average is 16°C (60°F), and the total precipitation drops significantly to just 20 mm (0.8 in), occurring over only 5 days, while humidity decreases to 74%. These differences highlight the transition from the wetter, cooler spring days of May to the warmer, drier summer conditions of August. For more details, check out Cannon Beach weather in August.

May and September present distinct weather patterns, reflecting the transition of seasons. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 12°C (53°F). The month sees approximately 72 mm (2.8 in) of precipitation over 12 days and carries a high humidity level of 83%. In contrast, September offers slightly warmer conditions, with minimum temperatures of 10°C (50°F) and maximums reaching 24°C (75°F), averaging 15°C (59°F). Rainfall is more pronounced in this month, totaling 91 mm (3.6 in) over 10 days, but humidity decreases to 71%. For those interested in the specifics of September weather, more details can be found at Cannon Beach weather in September.

May and October exhibit similar average temperatures, with May averaging around 12°C (53°F) and October slightly warmer at 12°C (54°F). However, while both months experience mild conditions, October tends to bring more precipitation, with 166 mm (6.5 in) compared to May's 72 mm (2.8 in), resulting in rain on 14 days in October versus 12 in May. Additionally, the humidity levels are comparable, with May at 83% and October slightly lower at 81%. For a more detailed look at what to expect, check out Cannon Beach weather in October.

May and November weather exhibit notable differences in both temperature and precipitation. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), contributing to an average of 12°C (53°F). This month experiences moderate rainfall with 72 mm (2.8 in) over approximately 12 days and a humidity level of 83%. In contrast, November sees cooler temperatures, with a minimum of 3°C (38°F), an average of 10°C (50°F), and a maximum of only 15°C (59°F). Additionally, November is much wetter, with a significant increase in rainfall to 258 mm (10.2 in) across 18 days and a slightly higher humidity of 87%. For more detailed insights on November weather, you can check Cannon Beach weather in November.

When comparing the weather in May and December, notable differences emerge in both temperature and precipitation. May typically offers a milder climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F) and an average of 12°C (53°F). In contrast, December is significantly cooler, featuring temperatures that can drop as low as -2°C (30°F) and rising only to a maximum of 13°C (56°F), with an average of 8°C (46°F). Additionally, December experiences much higher precipitation, totaling 272 mm (10.7 in) over 22 days, compared to May's 72 mm (2.8 in) over just 12 days. The humidity also remains high in both months, with December slightly ahead at 87% compared to May's 83%. For a more detailed look at the conditions in December, visit Cannon Beach weather in December.

Compare Cannon Beach's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Cannon Beach

As May arrives in Cannon Beach, the transition into spring brings a delightful change in the weather. Compared to the chillier months that precede it, the temperatures climb steadily, with pleasant highs around 21°C (70°F), creating a perfect backdrop for outdoor activities and seaside strolls. However, be prepared for the typical Pacific Northwest drizzle, as May sees about 12 days of precipitation totaling approximately 72 mm (2.8 in), coupled with an 83% humidity level that adds a refreshing touch to the coastal air. Overall, May sets the stage for a more vibrant and engaging experience, inviting visitors to soak in the beauty of this picturesque locale. For more details on the weather patterns throughout the year, explore Cannon Beach Climate.