Monthly weather forecast and climate
Shell Beach, CA

Average temperature
Shell Beach, CA

Average temperature - Shell Beach, CA

The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure
Shell Beach, CA

Average pressure - Shell Beach, CA

The month with the highest atmospheric pressure is January (30.12").
Months with the lowest atmospheric pressure are June, August and September (29.91").

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Average wind speed
Shell Beach, CA

Average wind speed - Shell Beach, CA

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average rainfall
Shell Beach, CA

Average rainfall - Shell Beach, CA

The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days
Shell Beach, CA

Average rainfall days - Shell Beach, CA

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).

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Average daylight / Average sunshine
Shell Beach, CA

Average daylight / Average sunshine - Shell Beach, CA

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

Months with the most sunshine are June, July and August (Average sunshine: 12h).
Months with the least sunshine are February and December (Average sunshine: 6.5).

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Average sunshine days
Shell Beach, CA

Average sunshine days - Shell Beach, CA

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).

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Average UV index
Shell Beach, CA

Average UV index - Shell Beach, CA

Months with the highest UV index are June and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average visibility
Shell Beach, CA

Average visibility - Shell Beach, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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