May Weather in Astoria, United States

Last updated: February 24, 2025

May in Astoria, United States offers a delightful transition into spring, with a maximum temperature reaching a warm 28°C (83°F), while the average temperature sits at a comfortable 13°C (55°F). Nighttime brings cooler breezes, with lows dipping to 6°C (43°F). This month sees an average precipitation of 58 mm (2.3 in) spread over 11 days, contributing to the region's lush greenery. Humidity levels are notably high at 84%, enhancing the vibrant atmosphere of Astoria as it blossoms into the summer. Prepare for fluctuating weather and the occasional rain shower while enjoying the emerging beauty of this coastal town.

May Temperature in Astoria

In May, Astoria experiences a delightful transition into spring, characterized by rising temperatures that inspire outdoor exploration. The month starts with minimums around 6°C (43°F) and reaches a pleasant average of 13°C (55°F), peaking at a warm 28°C (83°F). This progression showcases a definitive upward trend from the cooler months preceding it, as the city shakes off the chill of winter and welcomes more comfortable weather. The increase in temperatures not only enhances the scenic beauty of Astoria but also invites residents and visitors alike to enjoy its stunning coastline and lush parks, making May a vibrant and lively time of year.

May Weather in Astoria: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Astoria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444346505559616260534844
Data source: Temperature data for Astoria 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 Astoria

In Astoria, the month of May marks a significant shift in precipitation patterns, with an average of only 58 mm (2.3 inches) of rainfall spread across about 11 days. This represents a noticeable decline compared to the wetter months preceding it, such as April, which recorded 127 mm (5.0 inches). As spring transitions into summer, the city's precipitation continues to taper off, paving the way for sunnier days ahead. This trend reflects a broader pattern in Astoria's climate, where the rainfall generally decreases as the year progresses, creating a delightful atmosphere for outdoor activities during the late spring and early summer months.

May Precipitation Trends in Astoria

The chart displays monthly precipitation patterns in Astoria, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2071751421275851141479133196207
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Astoria

In May, Astoria experiences a mild humidity level of 84%, consistent with the preceding months of April and June. This slight stability suggests a transition towards the drier summer months ahead, particularly as the humidity begins to dip in July, falling to 82%. Interestingly, while spring maintains relatively high moisture levels, the trend shifts dramatically heading into late summer and autumn, as humidity levels plummet to 73% in August before gradually rising again in the fall. Such fluctuations highlight Astoria's unique coastal climate, where a balance of moisture is prevalent in the spring but gives way to a refreshing dryness by mid-summer.

May Average Humidity in Astoria

This chart illustrates the average monthly humidity levels in Astoria, 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 Astoria

As May unfolds in Astoria, the UV Index undergoes a dramatic rise, peaking at 9—a signal that sun protection becomes increasingly vital. This month transitions from the gradual increase seen in earlier spring months, where the UV Index ranged from 2 in January to 6 by April, reflecting a noticeable shift towards summer’s intensity. With a very high exposure category and a reduced burn time of just 15 minutes, residents and visitors alike should be diligent in seeking shade and applying sunscreen during outdoor activities. By embracing these proactive measures, one can safely enjoy the vibrant outdoor life that May in Astoria has to offer. For more details and to stay informed about daily changes, visit the Astoria UV Index.

Maximum UV Index Levels in Astoria for May

The chart shows the monthly maximum UV Index (UVI) for Astoria 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: Astoria 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 Astoria

As May arrives in Astoria, the region basks in an impressive 286 hours of sunshine, marking a significant increase from the previous months. This surge is part of a broader trend, as daylight hours steadily rise from winter's end. In contrast to January's modest 88 hours, May's sunshine sets the stage for vibrant outdoor adventures, painting the landscapes in vivid tones as nature awakens. Following May, June continues to bask in even more sunlight, reaching 320 hours, further amplifying the allure of this coastal gem. Overall, May not only offers a taste of summer's approach but also embodies the city's gradual transition from the grayness of winter to the sunny vibrancy of summer.

Monthly Sunshine Duration in Astoria: May Highlighted

The May sunshine duration represents the total number of hours Astoria 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.
JanFebMarAprMayJunJulAugSepOctNovDec88h128h205h227h286h320h356h328h259h199h129h101h
Data source: Astoria May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Astoria During May

In Astoria, United States, the likelihood of sunny weather in May presents an intriguing trend in the region’s climatology. Following a steady rise in sunny days from a mere 16% in January to 42% in April, May settles at a moderate 26% chance of sunshine. While this signifies a dip from the previous month, it still maintains a balance between the cooler, overcast winter months and the sunnier summer ahead. This seasonal shift reflects Astoria's transition into late spring, where sunlit days are more common, yet still interspersed with typical coastal cloud cover, hinting at the varied weather patterns that define this charming coastal city.

Percentage of Sunny Days in May in Astoria

The chart illustrates the percentage of sunny days in Astoria 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 Astoria experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%15%31%42%26%40%32%31%36%27%14%14%
Data source: Astoria May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Astoria in May

In Astoria, the arrival of May brings a delightful increase in daylight duration, with 14 hours of sunlight illuminating the days. This marks a steady progression from the shorter days of winter, where January offers just 9 hours of light, gradually extending as spring unfolds. The trend is clear: as the seasons change, daylight blossoms, peaking in June with a generous 15 hours. Following this peak, daylight slightly tapers off as summer transitions into fall, yet May stands out as a vibrant time when nature thrives under the long, sunlit hours. The gentle progression from the stark contrasts of winter to the lively days of late spring encapsulates a sense of renewal and warmth unique to Astoria's May.

Average Daylight Hours in Astoria for May

The chart illustrates the variation in daylight duration in Astoria throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 21m11h 57m13h 35m14h 59m15h 42m15h 18m14h 3m12h 28m10h 50m9h 24m8h 40m
Data source: Astoria daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Astoria

In Astoria during May, the average wind speed registers at 3.1 m/s (7 mph), continuing a gentle trend observed in the spring months. Having peaked at 4.0 m/s (9 mph) in February, the winds gradually calmed as winter faded, dipping to 2.6 m/s (6 mph) in April. As May unfolds, the breezes pick up slightly compared to the previous month, creating a refreshing environment perfect for enjoying the essence of spring. The seasonal fluctuation shows that while wind speeds may falter in the warmer months, Astoria maintains a relatively stable and inviting breeze, making it a charming destination for outdoor enthusiasts and nature lovers alike.

Average May Wind Speed in Astoria

The chart displays monthly wind speed patterns in Astoria, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.44.03.32.63.1 m/s2.73.02.92.83.43.83.6
Data source: Astoria May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Astoria Compares to Other Months

The weather in Astoria 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 Astoria and find detailed weather information for every month.

May and January present stark contrasts in weather. In May, temperatures range from a minimum of 6°C (43°F) to a delightful maximum of 28°C (83°F), with an average of 13°C (55°F). Precipitation is relatively low at 58 mm (2.3 in) spread over 11 days, and humidity sits at 84%. In contrast, January is much colder, with temperatures dipping as low as -7°C (20°F) and peaking at 13°C (56°F), resulting in an average of 7°C (44°F). This month also sees significantly higher precipitation of 207 mm (8.1 in) across 17 days, and humidity remains high at 86%. For more detailed insights into the January weather, check out Astoria weather in January.

May and February present contrasting weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with an average of 13°C (55°F), making it a warmer month overall. In contrast, February offers cooler temperatures, with a minimum of -2°C (28°F), an average of 6°C (43°F), and a maximum of 14°C (58°F). While February faces significantly higher precipitation at 174 mm (6.9 in) over 18 days, May experiences lighter rain, totaling 58 mm (2.3 in) over 11 days. Both months share the same humidity level of 84%, but the overall feel is vastly different, with May feeling much more pleasant and conducive to outdoor activities. For more details on February weather, check Astoria weather in February.

May typically experiences milder temperatures compared to March, with average highs soaring up to 28°C (83°F) while March's maximum temperature reaches only 22°C (72°F). However, March sees a significantly higher amount of precipitation, averaging 142 mm (5.6 in) over 17 days, compared to May's 58 mm (2.3 in) across 11 days. Humidity levels are quite similar, with March at 85% and May slightly lower at 84%. For a detailed look at the weather conditions, you can check Astoria weather in March.

In comparing the weather of April and May, we observe a notable increase in temperature, with May featuring a minimum of 6°C (43°F) and an average of 13°C (55°F) compared to April's minimum of 2°C (36°F) and average of 10°C (50°F). Although both months experience similar humidity levels, May is slightly more humid at 84% versus April's 83%. Precipitation also decreases significantly in May, with 58 mm (2.3 in) over 11 days, in contrast to April's wetter conditions of 127 mm (5.0 in) across 15 days. For a more detailed look at April's weather specifics, visit Astoria weather in April.

In May, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (83°F). The month experiences a total of 58 mm (2.3 in) of precipitation over 11 days, while humidity remains relatively high at 84%. In contrast, June welcomes warmer temperatures, with lows starting at 8°C (47°F) and highs reaching 32°C (90°F). Precipitation decreases to 51 mm (2.0 in) over 8 days, maintaining the same humidity level of 84%. This transition from May to June reflects a gradual shift towards warmer and drier conditions. For more detailed information, you can visit Astoria weather in June.

In comparing the weather of May and July, May typically experiences a wider temperature range, with minimums of 6°C (43°F) and maximums reaching up to 28°C (83°F), averaging around 13°C (55°F). This month also sees more precipitation, averaging 58 mm (2.3 in) over approximately 11 days, accompanied by higher humidity at 84%. In contrast, July offers milder weather, with minimum temperatures starting at 11°C (51°F) and a more stable maximum of 27°C (81°F), resulting in an average temperature of 16°C (61°F). Additionally, July is notably drier, with only 14 mm (0.5 in) of rain falling over just 3 days and slightly lower humidity at 82%. For more specific insights into July's weather, check this link: Astoria weather in July.

May and August showcase notable differences in weather patterns. In May, temperatures range from a cool minimum of 6°C (43°F) to a warm maximum of 28°C (83°F), with an average of 13°C (55°F). This month experiences more rainfall, with 58 mm (2.3 in) over 11 days and higher humidity at 84%. In contrast, August features milder temperatures, with a minimum of 10°C (51°F), an average of 17°C (62°F), and a maximum of 30°C (86°F). Rainfall is significantly reduced in August, totaling just 14 mm (0.5 in) over 4 days, and the humidity lowers to 73%. For a more detailed view of the weather conditions in August, check out Astoria weather in August.

May and September both feature mild temperatures, but their nuances set them apart. May sees a broader temperature range, with lows of 6°C (43°F) and highs reaching up to 28°C (83°F), resulting in an average of 13°C (55°F). In contrast, September's temperatures are slightly warmer overall, with a minimum of 7°C (45°F), a maximum of 29°C (84°F), and a higher average of 16°C (61°F). While May experiences more humidity at 84% and 58 mm (2.3 in) of precipitation over 11 days, September offers a drier atmosphere with lower humidity at 74% and slightly more rainfall at 79 mm (3.1 in) over just 9 days. For a detailed look at September's weather, visit Astoria weather in September.

May and October present distinct weather patterns that highlight the transition from spring to autumn. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with an average of 13°C (55°F), and the month typically experiences about 58 mm (2.3 in) of precipitation over 11 days. This month exhibits higher warmth and longer sunny spells, complemented by a humidity level of 84%. In contrast, October sees cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 22°C (71°F), resulting in an average of 12°C (54°F). However, it also experiences a higher total precipitation of 133 mm (5.2 in) over 13 days, indicating a shift towards wetter conditions, while maintaining a similar humidity level of 83%. For more detailed insights, check out Astoria weather in October.

In May, the weather tends to be milder and more variable, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (83°F) and an average of 13°C (55°F). Precipitation is relatively low at 58 mm (2.3 in) over about 11 days, while humidity sits around 84%. In contrast, November brings significantly cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 16°C (62°F), averaging 9°C (48°F). This month experiences much higher precipitation, totaling 196 mm (7.7 in) over 18 days, and slightly increased humidity at 86%. For more detailed information, you can check Astoria weather in November.

May and December present quite contrasting weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 28°C (83°F), with an average of 13°C (55°F). The month sees relatively mild conditions with 58 mm (2.3 in) of precipitation spread over 11 days and a humidity level of 84%. In stark contrast, December experiences cooler weather, with temperatures dipping as low as -3°C (28°F) and peaking at 14°C (57°F), averaging 6°C (44°F). This winter month also faces significantly higher precipitation, with 207 mm (8.1 in) over 20 days and a humidity level of 87%. For a more detailed look at winter conditions, you can visit Astoria weather in December.

Compare Astoria's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Astoria

As spring unfolds in Astoria, May brings a refreshing change in the weather, characterized by its mild temperatures and increased humidity levels. While the average daily temperature hovers around a comfortable 13°C (55°F), it occasionally peaks at a warm 28°C (83°F), inviting residents and visitors alike to enjoy the budding outdoors. Unlike the cooler months that precede it, May often sees a modest 58 mm (2.3 in) of rainfall spread across 11 days, adding a touch of freshness to the lush landscape. With humidity rising to 84%, the air feels pleasantly invigorating, highlighting the distinct charm of early spring. For a deeper understanding of what to expect throughout the year, you can explore more at Astoria Climate.