August Weather in Morro Bay, United States

Last updated: February 24, 2025

In Morro Bay, United States, August offers a delightful blend of summer warmth and coastal charm. With maximum temperatures reaching 31°C (88°F) and an average of 18°C (65°F), the weather is perfect for outdoor activities. Nights cool down to a minimum of 13°C (55°F), ensuring comfortable evenings. This month enjoys a virtually precipitation-free experience, with only 1 mm of rain recorded over 0 days, making it ideal for sun-seekers. Coupled with a humidity level of 72%, the climate is pleasantly mild, inviting locals and visitors alike to explore the scenic beauty of this coastal gem.

August Temperature in Morro Bay

In Morro Bay during August, the temperatures continue to show the warm summer trend, with a minimum of 13°C (55°F) and a comfortable average of 18°C (65°F). The maximum temperature reaches a peak of 31°C (88°F), ensuring warm days ideal for outdoor activities along the stunning coastline. As summer draws to a close, these temperatures reflect a slight dip from the sweltering highs of July, yet they remain inviting. Notably, this month ties in with July for maximum heat, making it a perfect time to soak up the sun before the cooler months roll in. With minimal fluctuations from previous months, Morro Bay remains a delightful summer escape.

August Weather in Morro Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Morro Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545455575862646565635954
Data source: Temperature data for Morro Bay 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.

August Precipitation in Morro Bay

In Morro Bay, August brings a notable shift in the region's precipitation patterns. With only 1 mm (a scant 0.0 inches) of rainfall and no recorded precipitation days, this month marks a continuation of the dry spell that began in June and July. The stark contrast to the wetter months at the beginning of the year becomes evident, as January and February contribute over 100 mm of rain combined. This diminishment in precipitation is characteristic of the coastal California summer, leading into a dry period that is hallmark to the region. As the year progresses, precipitation begins to trickle back in October, but the warm, parched August highlights a seasonal lull in Morro Bay’s typical weather rhythm.

August Precipitation Trends in Morro Bay

The chart displays monthly precipitation patterns in Morro Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec110808423121111113276
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Morro Bay

In Morro Bay, August marks a notable transition in humidity levels, as the average drops to a comfortable 72%. This decline is part of a broader trend observed throughout the summer months, where humidity gradually decreases from 75% in July. As the year progresses into September, the humidity continues to decline slightly to 70%, suggesting a shift towards drier conditions. This gradual reduction in moisture not only enhances the coastal charm of Morro Bay during late summer but also provides a pleasant reprieve from the higher humidity experienced earlier in the year, particularly in the winter months, where levels linger close to 80%. The changing humidity patterns reflect Morro Bay's unique coastal climate, making August a delightful time to explore the natural beauty of this picturesque locale.

August Average Humidity in Morro Bay

This chart illustrates the average monthly humidity levels in Morro Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%80%76%75%74%75%72%70%70%74%77%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Morro Bay

In Morro Bay, August marks a peak in UV exposure, with an UV Index of 11, placing it in the extreme category and necessitating short burn times of just 10 minutes. This trend of increasing UV intensity throughout the summer months highlights a critical need for sun protection, as both June and July reached the same extreme levels. The UV Index sees a notable rise from April’s 9 and May's 10, illustrating how summer months intensify sun exposure risks. As summer transitions into fall, the Index drops to 9 in September, signaling a shift back to very high levels. Understanding these fluctuations is essential for enjoying outdoor activities safely. For more detailed information, visit Morro Bay UV Index.

Maximum UV Index Levels in Morro Bay for August

The chart shows the monthly maximum UV Index (UVI) for Morro Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec4589101212119753
Data source: Morro Bay 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 Morro Bay

In August, Morro Bay basks in a delightful 358 hours of sunshine, which makes it one of the sunniest months of the year. With an impressive rise from 179 hours in January, the summer months showcase a clear upward trend, peaking in July with 383 hours. Though August sees a slight dip in sunshine compared to July, it still boasts abundant bright days, ensuring plenty of opportunities for outdoor activities. As summer transitions into fall, sunshine hours gradually decrease, but the warm glow of summer lingers in the 316 hours recorded in September. This steady flow of sunlight not only enhances the region's natural beauty but also invites locals and visitors alike to enjoy the scenic coastline and vibrant community festivities.

Monthly Sunshine Duration in Morro Bay: August Highlighted

The August sunshine duration represents the total number of hours Morro Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec179h229h284h316h368h372h383h358h316h295h246h223h
Data source: Morro Bay August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Morro Bay During August

In Morro Bay, United States, the likelihood of sunny weather in August stands at a promising 71%, making it one of the peak months for sunshine. This figure is slightly lower than the sunshine-packed days of June and May, which boast 73% and 72% respectively, but still shines brightly against the backdrop of cooler months. As you look back over the year, it's clear that summer months, particularly from May to July, consistently offer a generous chance of sun, while the transition into fall in September sees only a modest dip. With daylight hours lingering long into the evening, August provides an excellent opportunity for beach outings and outdoor adventures, embodying the quintessential summer experience in this coastal haven.

Percentage of Sunny Days in August in Morro Bay

The chart illustrates the percentage of sunny days in Morro Bay 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 Morro Bay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%69%61%57%72%73%64%71%68%68%68%50%
Data source: Morro Bay August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Morro Bay in August

In Morro Bay, United States, August experiences a noteworthy 13 hours of daylight, marking a slight decrease from the height of summer in July when daylight peaked at 14 hours. This shift signals the gradual transition toward fall, as daylight hours consistently taper off from the lush brightness of late spring and early summer. The trend throughout the year shows a steady increase in daylight from 10 hours in January and February, culminating in its summer zenith during the warmer months, before gently receding again to 12 hours in September and further down to 11 hours in October. This rhythmic ebb and flow of daylight not only enriches the beauty of each season but also invites residents and visitors alike to savor every precious moment under the sun.

Average Daylight Hours in Morro Bay for August

The chart illustrates the variation in daylight duration in Morro Bay throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 55m11h 59m13h 6m14h 1m14h 28m14h 13m13h 24m12h 20m11h 14m10h 17m9h 48m
Data source: Morro Bay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Morro Bay

In Morro Bay, August brings a notable shift in wind patterns, with average wind speeds dropping to a gentle 2.1 m/s (5 mph), making it one of the most tranquil months of the year. This decline continues a trend observed from the breezier spring months of March through May, which all hover around 3.0 to 3.3 m/s (7 mph). Following the peak winds of winter, averaging between 3.1 to 3.5 m/s, summer unwinds lazily, as the winds tend to ease into a calmness mirrored by the warm coastal days. As August fades into September, the winds remain consistent at 2.1 m/s, signaling a period of serene weather before the transitional uptick in speed returns in the autumn months. This gentle summer breeze is perfect for unwinding and enjoying life by the bay, underscoring Morro Bay's reputation as a peaceful getaway.

Average August Wind Speed in Morro Bay

The chart displays monthly wind speed patterns in Morro Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.33.03.33.32.82.22.1 m/s2.12.92.93.1
Data source: Morro Bay August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Morro Bay Compares to Other Months

The weather in Morro Bay 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 Morro Bay and find detailed weather information for every month.

August and January showcase contrasting weather patterns in Morro Bay. In August, temperatures range from a mild 13°C (55°F) at night to a warm 31°C (88°F) during the day, with very little precipitation and an average humidity of 72%. In stark contrast, January is cooler, with temperatures peaking at 23°C (74°F) and dipping to a low of 4°C (40°F). This month also brings significant rainfall, averaging 110 mm (4.3 in) over six days, coupled with a slightly higher humidity of 80%. For more details, check the Morro Bay weather in January.

August and February present contrasting weather conditions. In August, temperatures range from a minimum of 13°C (55°F) to a maximum of 31°C (88°F), with an average of 18°C (65°F) and almost no precipitation, making it a dry and warm month with 72% humidity. In contrast, February experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 25°C (77°F), averaging 12°C (54°F), alongside significant rainfall of 80 mm (3.2 in) over six days, resulting in higher humidity at 83%. For more detailed information, check out Morro Bay weather in February.

In comparing the weather conditions of August and March, a stark contrast emerges. August boasts warmer temperatures, with minimums of 13°C (55°F) and maximums reaching up to 31°C (88°F), accompanied by a low precipitation rate of just 1 mm over no rainy days and a moderate humidity level of 72%. In contrast, March experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 24°C (76°F), but with significantly more rainfall at 84 mm spread over 9 days, resulting in a higher humidity level of 80%. This difference in climate can greatly influence outdoor activities and local experiences. For a more detailed understanding of March weather patterns, you can explore Morro Bay weather in March.

When comparing the weather in August and April, notable differences emerge. August typically boasts warmer temperatures with a minimum of 13°C (55°F) and a maximum of 31°C (88°F), while April’s temperatures range from a cooler minimum of 7°C (44°F) to a maximum of 26°C (80°F). Precipitation is significantly lower in August, with only 1 mm (0.0 in) recorded on zero days, whereas April experiences more moisture with 23 mm (0.9 in) over three days. Humidity levels remain relatively similar, with August at 72% and April slightly higher at 76%. For a closer look at the weather details in April, you can visit Morro Bay weather in April.

In comparing the weather between August and May, August boasts warmer temperatures, with a minimum of 13°C (55°F) and an average of 18°C (65°F), peaking at a high of 31°C (88°F). In contrast, May's temperatures are more moderate, starting at a minimum of 8°C (47°F) and averaging 15°C (59°F), with a maximum of 25°C (77°F). Additionally, August enjoys dry conditions, with only 1 mm of precipitation over zero rainy days, while May experiences more precipitation at 12 mm across two days, indicating a more variable weather pattern. Humidity levels remain relatively similar, with August at 72% and May slightly higher at 75%. For more detailed insights, you can check Morro Bay weather in May.

In comparing the weather between June and August, both months feature a maximum temperature of 31°C (88°F), yet their average temperatures vary slightly. August enjoys a higher average temperature of 18°C (65°F) compared to June's average of 16°C (62°F). Additionally, while the minimum temperatures are closely aligned with August at 13°C (55°F) and June at 11°C (51°F), both months experience minimal precipitation, recording only 1 mm (0.0 in) over zero rainy days. Humidity levels are somewhat similar as well, with August at 72% and June slightly higher at 74%. For those seeking more details, you can explore Morro Bay weather in June.

In comparing the weather during August and July, both months exhibit similar temperature ranges, with August featuring a minimum of 13°C (55°F) and a maximum of 31°C (88°F), while July has a minimum of 12°C (55°F) and a maximum of 31°C (89°F). The average temperatures are almost identical, with August at 18°C (65°F) and July at 18°C (64°F). Interestingly, both months experienced the same low precipitation of just 1 mm (0.0 in) over 0 days of rain, though August had slightly lower humidity at 72% compared to July's 75%. For more details about the weather in July, visit Morro Bay weather in July.

In comparing the weather between August and September, we see some interesting trends. Both months have an average temperature of 18°C (65°F), but September experiences a broader range, with a maximum temperature soaring up to 35°C (95°F), compared to August's peak of 31°C (88°F). Minimum temperatures in September are slightly cooler, dropping to 11°C (53°F) versus August's 13°C (55°F). Both months boast negligible precipitation, with just 1 mm recorded and no rain days. Humidity levels are also comparable, with August at 72% and September slightly lower at 70%. For more details on the weather during this time of year, you can check out Morro Bay weather in September.

In August, the weather is generally warmer, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 31°C (88°F) and an average of 18°C (65°F). The month is quite dry, with no recorded precipitation and a humidity level of 72%. In contrast, October sees slightly cooler temperatures, with a minimum of 9°C (49°F) and an average of 17°C (64°F), although it can reach up to 33°C (92°F) during warmer days. While October does bring a bit more precipitation at 10 mm (0.4 in), it also maintains a low humidity level of 70%. For more detailed information, you can check Morro Bay weather in October.

August and November present distinct weather patterns. In August, temperatures range from a minimum of 13°C (55°F) to a maximum of 31°C (88°F), with an average of 18°C (65°F). This month is characterized by very little precipitation, typically recording just 1 mm over the entire month and experiencing no rainy days, accompanied by a humidity level of 72%. In contrast, November sees cooler temperatures, with a minimum of 6°C (42°F), an average of 15°C (59°F), and a maximum of 26°C (79°F). The month is also wetter, with 32 mm of precipitation over three days and a slight increase in humidity to 74%. For a more detailed look at weather specifics, you can refer to Morro Bay weather in November.

In August, the weather is typically warm with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 31°C (88°F), accompanied by low precipitation of just 1 mm and no rainy days. The humidity levels are moderate at 72%, contributing to a comfortably warm atmosphere. In contrast, December sees significantly cooler temperatures, with averages around 12°C (54°F) and highs peaking at 23°C (74°F). This month experiences considerably more rainfall, totaling 76 mm over six days, and the humidity remains relatively high at 76%. For more detailed insights on the December weather, you can visit Morro Bay weather in December.

Compare Morro Bay's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Morro Bay

August in Morro Bay presents a delightful departure from the cooler months, showcasing warm days and minimal rain. With maximum temperatures touching 31°C (88°F) and an inviting average of 18°C (65°F), residents and visitors can revel in the sunshine without the hassle of precipitation, as the month experiences zero rainy days. The pleasant 72% humidity adds to the overall comfort, making it an ideal time for outdoor activities along the coast. For those curious about what this vibrant climate means for activities year-round, explore more at Morro Bay Climate.