August Weather in Seal Beach, United States

Last updated: February 24, 2025

In August, Seal Beach, United States, basks in a warm Mediterranean climate, with maximum temperatures reaching 34°C (94°F) and an average temperature of 23°C (73°F). The month remains predominantly dry, recording a mere 2 mm (0.1 in) of precipitation over zero rainy days, allowing residents and visitors to enjoy an abundance of sunshine. With an average humidity level of 69%, the warmth is tempered enough to create comfortable sea breezes, making it an ideal time for beach activities and outdoor adventures. Whether you're lounging by the shore or exploring local attractions, seal in your summer fun this August in Seal Beach!

August Temperature in Seal Beach

August in Seal Beach, United States, ushers in a warming trend that culminates the summer season. With minimum temperatures around 15°C (60°F) and averaging 23°C (73°F), residents and visitors alike can enjoy pleasantly warm days. The mercury can reach up to a max of 34°C (94°F), similar to July's highs but slightly tempered as summer begins to transition into fall. This month strikes a perfect balance, with evenings still refreshing enough to invite sea breezes, making it an ideal time for beach outings and sunset strolls along the shore. Compared to earlier summer months, August maintains a satisfying warmth, while September begins a slight dip—which adds to the allure of this coastal paradise.

August Weather in Seal Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Seal Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec575759636467727372696357
Data source: Temperature data for Seal Beach 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.

August Precipitation in Seal Beach

In Seal Beach, August typically sees a stark decline in precipitation, with a mere 2 mm (0.1 in) of rain recorded across 0 days. This trend is reflective of the broader summer months, where rainfall drops significantly after the wetter winter and spring seasons. For instance, July and June both featured negligible precipitation as well, highlighting a dry spell that characterizes the region during the peak of summer. Overall, the data illustrates a clear seasonal pattern where August stands out as one of the driest months, allowing residents and visitors to enjoy the sun-soaked beach days without the interruption of rainfall.

August Precipitation Trends in Seal Beach

The chart displays monthly precipitation patterns in Seal Beach, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6552552312432391868
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Seal Beach

In Seal Beach, August marks a subtle shift in humidity, with levels dipping to a comfortable 69%. This month typically experiences lower humidity than the peak summer months, continuing a gentle decline that began in July at 73%. Throughout the year, humidity remains relatively high, peaking in February at 79%. However, as summer transitions into fall, a gradual decrease becomes evident, with September and October following closely at 68% and 67%, respectively. This trend indicates a welcoming ease in moisture levels leading into the crispness of autumn, making August a pleasant time to enjoy the beach without the oppressive humidity seen earlier in the season.

August Average Humidity in Seal Beach

This chart illustrates the average monthly humidity levels in Seal Beach, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec74%79%75%71%70%72%73%69%68%67%68%71%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Seal Beach

In August, Seal Beach experiences a very high UV Index of 10, with an estimated burn time of just 15 minutes. This month follows a pattern set in the summer, where the UV Index peaked earlier at 11 in both June and July, marking an extreme risk for sunburn. After the intensity of the summer months, August sees a slight decrease but maintains a strong reminder of the sun's potency. As you enjoy the sun-drenched days in Seal Beach, it’s crucial to take precautions against the harmful effects of UV rays. For more details on UV exposure trends throughout the year, visit Seal Beach UV Index.

Maximum UV Index Levels in Seal Beach for August

The chart shows the monthly maximum UV Index (UVI) for Seal Beach in August, 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.
JanFebMarAprMayJunJulAugSepOctNovDec468101011111010754
Data source: Seal Beach August 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.

August Sunshine in Seal Beach

In Seal Beach, the month of August bathes the coast in a generous 361 hours of sunshine, marking it as one of the sunniest months of the year. Following the peak of summer in July with its impressive 379 hours, the transition into August still keeps the warmth alive, though with a slight dip in sunny hours. This trend of diminishing daylight continues into the fall months, with September bringing 316 hours of sunshine, as sunlight slowly wanes towards the cooler seasons. Overall, the sun-drenched summer months from May through August consistently showcase peak hours of radiant sunshine, inviting both locals and visitors to relish in the vibrant beach atmosphere before autumn takes its gentle hold.

Monthly Sunshine Duration in Seal Beach: August Highlighted

The August sunshine duration represents the total number of hours Seal Beach experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec190h236h290h318h350h366h379h361h316h293h256h226h
Data source: Seal Beach August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Seal Beach During August

In Seal Beach, United States, August boasts a 67% chance of sunny weather, making it one of the sunniest months of the year. This trend follows a steady rise in sunshine likelihood throughout the summer, peaking in September at 68%. Interestingly, although temperatures begin to drop in October, the chances of clear skies remain relatively high at 65%. Overall, August in Seal Beach is a vibrant month where the warmth of summer intersects with sunny days, inviting both locals and visitors to enjoy the beautiful coastal scenery.

Percentage of Sunny Days in August in Seal Beach

The chart illustrates the percentage of sunny days in Seal Beach throughout the year, with August 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 Seal Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%61%67%51%48%58%61%67%68%65%66%46%
Data source: Seal Beach August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seal Beach in August

As summer winds down in Seal Beach, August brings a gentle decline in daylight, with 13 hours of sun that perfectly balances the longer summer days and the approaching fall. This month marks a gradual shift from the peak daylight hours of July, which enjoyed 14 hours of brightness. The trend showcases a steady increase in daylight from winter's 10 hours in January, culminating at the summer's zenith before transitioning back to shorter days in September. As the sun sets a bit earlier, residents still relish ample daylight, setting the stage for warm summer evenings filled with coastal activities. Embrace these precious hours, as the days subtly adjust toward their autumnal rhythm.

Average Daylight Hours in Seal Beach for August

The chart illustrates the variation in daylight duration in Seal Beach throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 11m10h 58m11h 59m13h 2m13h 55m14h 20m14h 6m13h 20m12h 19m11h 17m10h 23m9h 56m
Data source: Seal Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Seal Beach

In Seal Beach, August brings with it a gentle return to the mellow winds typical of summer, with an average wind speed of 2.4 m/s (5 mph). This marks a slight drop from the more dynamic breezes of April to July, where speeds hovered around 2.8 m/s (6 mph). As the year transitions, we see a subtle but steady decline in wind speeds, tapering off through the fall months of September and October. Interestingly, while January and February experience similarly calm conditions, the summer months provide a refreshing break from the chill, enabling outdoor enthusiasts to savor the coastal breezes. As the year winds down, the overall trend highlights a seasonal rhythm that complements the serene beach atmosphere.

Average August Wind Speed in Seal Beach

The chart displays monthly wind speed patterns in Seal Beach, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.42.62.82.82.82.52.4 m/s2.32.32.02.4
Data source: Seal Beach August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Seal Beach Compares to Other Months

The weather in Seal Beach changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Seal Beach and find detailed weather information for every month.

August and January present contrasting weather patterns in Seal Beach. In August, temperatures range from a mild 15°C (60°F) at night to a warm 34°C (94°F) during the day, with very little precipitation and an average humidity of 69%. Conversely, January experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 29°C (85°F), along with significantly more rainfall totaling 65 mm (2.5 in) over approximately five days. The humidity slightly increases to 74%, adding to the chilly feel of the month. For a detailed look at January weather, visit Seal Beach weather in January.

In August, the weather is warm and dry, with average temperatures around 23°C (73°F) and maximums reaching up to 34°C (94°F). The month enjoys minimal precipitation, typically receiving only about 2 mm (0.1 in) with no rainy days, and humidity levels at 69%. In contrast, February presents a cooler and wetter climate, with average temperatures around 14°C (58°F) and maximums peaking at 30°C (85°F). This month experiences significantly more rainfall, accumulating about 52 mm (2.0 in) over approximately five days, along with higher humidity at 79%. For more detailed information, you can check out Seal Beach weather in February.

August and March present strikingly different weather characteristics. In August, the temperatures are notably warmer, with an average of 23°C (73°F) and a maximum reaching up to 34°C (94°F). The weather is relatively dry with only 2 mm of precipitation across the month and no rainy days, while humidity hovers around 69%. In contrast, March experiences cooler temperatures, with an average of 15°C (60°F) and peaks at 27°C (81°F). The month sees significant rainfall, totaling 55 mm (2.2 in) over 8 days, accompanied by a higher humidity level of 75%. For more details on the weather patterns, check out Seal Beach weather in March.

August and April present distinctly different weather patterns. In August, temperatures range from a mild 15°C (60°F) to a warm maximum of 34°C (94°F), with an average of 23°C (73°F). The month is characterized by minimal precipitation, recording just 2 mm (0.1 in) with no rainy days, and humidity levels settle at around 69%. Conversely, April sees cooler temperatures, with a minimum of 10°C (51°F) and an average of 17°C (63°F), yet it also reaches the same peak temperature of 34°C (94°F). April is significantly wetter, receiving 23 mm (0.9 in) of rain over two days, and maintains a slight increase in humidity at 70%. For more detailed insights, you can check the Seal Beach weather in April.

August typically features warmer weather compared to May, with average temperatures reaching around 23°C (73°F) and maximum highs soaring up to 34°C (94°F). In contrast, May has milder temperatures, averaging 18°C (64°F) with highs of 30°C (86°F). While both months experience relatively high humidity—69% in August and 70% in May—May sees more precipitation, with an average of 12 mm (0.5 in) over three days, whereas August is drier with hardly any precipitation. For a closer look at the weather conditions during May, you can check Seal Beach weather in May.

In comparing the weather between June and August, August tends to be warmer with an average temperature of 23°C (73°F), peaking at a maximum of 34°C (94°F), while June has a slightly cooler average of 20°C (68°F) and a maximum of 33°C (91°F). Both months experience minimal precipitation, with August receiving only 2 mm (0.1 in) and June slightly higher at 4 mm (0.2 in), but both remain dry with no recorded rainy days. Humidity is relatively consistent, with August at 69% and June slightly higher at 72%, making both months feel warm and inviting. For more specifics on June weather, you can visit Seal Beach weather in June.

In August, the weather in Seal Beach features a slightly cooler temperature range with minimums at 15°C (60°F) and maximums reaching 34°C (94°F), while the average temperature is around 23°C (73°F). This contrasts with July, which sees slightly higher temperatures, with a minimum of 16°C (61°F) and a maximum peaking at 39°C (103°F), resulting in an average of 22°C (72°F). Both months experience minimal precipitation, with August recording just 2 mm (0.1 in) and July slightly higher at 3 mm (0.1 in), and both months remain dry with zero precipitation days. Humidity is also slightly lower in August at 69%, compared to July’s 73%. For more details on July’s climate, check out Seal Beach weather in July.

August and September exhibit fairly similar weather patterns, with both months featuring a minimum temperature of 15°C (60°F). However, September sees a slight decrease in average temperature, dropping to 22°C (72°F) from August's 23°C (73°F). Interestingly, September experiences a higher maximum temperature of 38°C (102°F), compared to August's peak of 34°C (94°F). Precipitation remains minimal in both months, with only 2 mm in August and 3 mm in September, and zero days of recorded rainfall. Humidity is also similar, measuring 69% in August and slightly lower at 68% in September. For a more detailed look at September weather, check out Seal Beach weather in September.

In August, the weather typically features a warm climate with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 34°C (94°F), along with an average of 23°C (73°F). The month is quite dry, with only 2 mm of precipitation and no rainy days, coupled with a humidity level of 69%.

In contrast, October sees a slight drop in temperatures, with minimums of 11°C (52°F), an average of 20°C (69°F), and a maximum of 38°C (101°F). It is also a bit wetter, experiencing 9 mm of precipitation over 2 days, while maintaining a slightly lower humidity level of 67%. For more specific insights on weather conditions in this month, check out Seal Beach weather in October.

August and November present quite different weather experiences. In August, temperatures typically range from a minimum of 15°C (60°F) to a maximum of 34°C (94°F), with a pleasant average of 23°C (73°F). The month is notably dry, with negligible precipitation and an average humidity of 69%. In contrast, November brings cooler temperatures, with a minimum of 8°C (46°F) and an average of 17°C (63°F), peaking at 32°C (90°F). This month sees a bit more moisture with 18 mm (0.7 in) of precipitation over two days, while humidity levels remain similar at 68%. For more detailed insights into November weather, check out Seal Beach weather in November.

August and December present contrasting weather experiences. In August, temperatures are generally warmer, with a minimum of 15°C (60°F), an average of 23°C (73°F), and a maximum reaching up to 34°C (94°F). The month is characterized by low precipitation—just 2 mm (0.1 in) over no rain days—and a humidity level of 69%, making for a dry and warm atmosphere. On the other hand, December sees cooler conditions, with a minimum of 5°C (42°F), an average of 14°C (58°F), and a maximum of 27°C (82°F). This month is considerably wetter, receiving 68 mm (2.7 in) of precipitation across five days, while humidity remains slightly higher at 71%. For more information on December weather specifics, you can check Seal Beach weather in December.

Compare Seal Beach's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Seal Beach

In August, Seal Beach enjoys a delightful climate that sets it apart from the cooler months of the year. With warm temperatures hovering around an average of 23°C (73°F) and peaks reaching up to 34°C (94°F), visitors can bask in the summer sun while relishing in the refreshing ocean breeze. Notably, rainfall is minimal, with 0 days of precipitation, allowing for uninterrupted beach days and outdoor activities. The humidity adds a touch of warmth to the air, creating a cozy atmosphere perfect for relaxation. August's weather truly embodies the essence of a Southern California summer, making it an ideal time to explore the inviting charm of the coast. To learn more about the year-round conditions, visit Seal Beach Climate.