Morro Bay (CA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Morro Bay.

Climate overview of Morro Bay

Morro Bay, California, United States of America, enjoys a steady climate throughout the year, with daytime temperatures typically around 19°C (66°F). October is the warmest month at 22°C (72°F), while December is the coolest at 18°C (64°F).

Rainfall is modest, totalling around 339 mm (13 in) annually. The city experiences a distinct dry season from April to November. December tends to be the wettest month. The most sunshine falls in July, with an average of 11.7 hours of daily sunshine.

Morro Bay Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Morro Bay - and find the best time to visit.

Monthly Temperature in Morro Bay

The temperature in Morro Bay remains steady throughout the year, providing a consistently pleasant climate. Average maximum daytime temperatures range from a pleasant 22°C (72°F) in October, the warmest time of the year, to a moderate 18°C (64°F) during cooler months like December.

At night, you can expect temperatures ranging from 13°C (55°F) in October to around 6°C (43°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Morro Bay

Morro Bay maintains relatively dry conditions year-round, recording average annual precipitation of 339 mm (13 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 76 mm (3 in) of precipitation, recorded across 9 rainy days. In contrast, the driest month September brings less rainfall, with 0.5 mm (0.02 in) over 0 rainy days. For more details, please visit our Morro Bay Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Morro Bay

Seasonal changes in sunshine hours are quite dramatic in Morro Bay. While July receives considerable daily sunshine with up to 11.7 hours, January marks the darkest time of the year, where sunshine is scarce with only 6.9 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Paso Robles, the United States of America (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Paso Robles, the United States of America (32 KM, 20 Miles).

Best Time to Visit Morro Bay

Conditions in Morro Bay are generally most comfortable in March, April, May, June, July, August, September, October and November. They are typically least comfortable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: March, April, May, June, July, August, September, October and November
  • Warmest weather: September, October and November
  • Most sunshine: July and August
  • Fewer rainy days: May, June, July, August and September
  • Seasonal pattern: A distinct dry season from April to November

Frequently asked questions about the climate in Morro Bay

What is the best time to visit Morro Bay?

March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Morro Bay. In contrast, January, February and December tend to have less optimal conditions. Morro Bay has a distinct dry season from April to November.

What temperatures can I expect in Morro Bay?

Daytime highs range from 18°C (64°F) in December to 22°C (72°F) in October. Nighttime lows range from 6°C (43°F) to 13°C (55°F). Temperatures stay relatively stable year-round.

How much rain does Morro Bay get?

Annual rainfall is around 339 mm (13 in). December is the wettest month with 76 mm (3 in), while September is the driest with 0.5 mm (0.02 in).

How sunny is Morro Bay?

Morro Bay receives around 3,187 hours of sunshine per year. July is the sunniest month with 352 hours, while January is the cloudiest with just 208 hours. Overall, Morro Bay enjoys abundant sunshine.

Morro Bay 3-Day Forecast

Morro Bay (CA) 3-Day Forecast

Morro Bay on the map

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