Monthly weather forecast and climate
Sierra Vista, CA

Average temperature
Sierra Vista, CA

Average temperature - Sierra Vista, CA

The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (56.3°F).

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure
Sierra Vista, CA

Average pressure - Sierra Vista, CA

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
Sierra Vista, CA

Average wind speed - Sierra Vista, CA

The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average rainfall
Sierra Vista, CA

Average rainfall - Sierra Vista, CA

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days
Sierra Vista, CA

Average rainfall days - Sierra Vista, CA

The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (0.8 days).

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Average daylight / Average sunshine
Sierra Vista, CA

Average daylight / Average sunshine - Sierra Vista, CA

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.2h).

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Average sunshine days
Sierra Vista, CA

Average sunshine days - Sierra Vista, CA

The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index
Sierra Vista, CA

Average UV index - Sierra Vista, CA

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Sierra Vista, CA

Average visibility - Sierra Vista, 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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