Climate and monthly weather forecast
Sierra Vista, CA

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Weather in January

January, the same as December, in Sierra Vista, California, is another mild winter month, with an average temperature fluctuating between 58.8°F (14.9°C) and 42.4°F (5.8°C). Sierra Vista sees the arrival of January with an average high-temperature of a still moderate 58.8°F (14.9°C), indicating a subtle variation from December. Weather in January »

Weather in February

The last month of the winter, February, is an enjoyable month in Sierra Vista, California, with an average temperature varying between 61.3°F (16.3°C) and 42.4°F (5.8°C). Sierra Vista's transition from January to February introduces an average high-temperature of an enjoyable 61.3°F (16.3°C), marking an insignificant variation from the 58.8°F (14.9°C). Weather in February »

Weather in March

The first month of the spring, March, is still a comfortable month in Sierra Vista, California, with an average temperature fluctuating between 45.7°F (7.6°C) and 66.7°F (19.3°C). With the onset of March, the average high-temperature subtly transitions from a comfortable 61.3°F (16.3°C) in February to a still enjoyable 66.7°F (19.3°C). Weather in March »

Weather in April

April in Sierra Vista, California, is a warm spring month, with an average temperature ranging between max 73.4°F (23°C) and min 49.6°F (9.8°C). Sierra Vista's transition into April is noticed by a slight rise in the average high-temperature, advancing from a refreshing 66.7°F (19.3°C) in March to a warm 73.4°F (23°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Sierra Vista, California, with an average temperature fluctuating between 81.5°F (27.5°C) and 55.4°F (13°C). The transition from April to May brings a subtle temperature rise, with average high-temperatures increasing from 73.4°F (23°C) to a still warm 81.5°F (27.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Sierra Vista, California, with temperature in the range of an average high of 92.7°F (33.7°C) and an average low of 61.7°F (16.5°C). The arrival of June brings a temperature shift, with the average high-temperature escalating from a moderately hot 81.5°F (27.5°C) in May to a tropical 92.7°F (33.7°C). Weather in June »

Weather in July

July is a very hot summer month in Sierra Vista, California, with an average temperature fluctuating between 100°F (37.8°C) and 65.8°F (18.8°C). July, having an average high-temperature of 100°F (37.8°C) and an average low-temperature of 65.8°F (18.8°C), is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Sierra Vista, is also a sweltering month, with an average temperature ranging between min 64.9°F (18.3°C) and max 98.2°F (36.8°C). Sierra Vista marks the start of August with an average high-temperature of a still fiery hot 98.2°F (36.8°C), hinting at a slight fluctuation from July's 100°F (37.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Sierra Vista, California, with an average temperature fluctuating between 92.1°F (33.4°C) and 62.6°F (17°C). The onset of September is marked by a minor decrease in temperature, transitioning from a torrid 98.2°F (36.8°C) in August to a hot 92.1°F (33.4°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Sierra Vista, California, with an average temperature ranging between max 79°F (26.1°C) and min 55.4°F (13°C). The commencement of October indicates a shift in the average high-temperature, receding from September's hot 92.1°F (33.4°C) to a moderately hot 79°F (26.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in Sierra Vista, California, with an average temperature ranging between min 47.7°F (8.7°C) and max 66.2°F (19°C). A shift in Sierra Vista's weather is observed as October turns into November, with the average high temperature reducing from a moderately hot 79°F (26.1°C) to a comfortable 66.2°F (19°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Sierra Vista, California, with an average temperature varying between 41.9°F (5.5°C) and 56.3°F (13.5°C). Sierra Vista records the coldest temperatures in December, averaging a high of 56.3°F (13.5°C) and a low of 41.9°F (5.5°C). Weather in December »
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Frequently asked questions

What is the most humid month in Sierra Vista?

The most humid month in Sierra Vista is January, with an average relative humidity of 68%.

How much does it rain in Sierra Vista?

Throughout the year, there are 51 rainfall days, and 7.56" (192mm) of precipitation is accumulated.

When is the lowest UV index in Sierra Vista?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the wettest month in Sierra Vista?

The month with the most rainfall is March, when the rain falls for 8.6 days and typically aggregates up to 1.46" (37mm) of precipitation.

When is Daylight Saving Time (DST) in Sierra Vista?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sierra Vista, California, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Sierra Vista?

June has the longest days of the year in Sierra Vista, California, with an average of 14h and 42min of daylight.

When is the highest UV index in Sierra Vista?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What month is the hottest in Sierra Vista?

Sierra Vista's warmest month, July, registers temperatures that range from a high of 100°F (37.8°C) to a low of 65.8°F (18.8°C).

What is the least humid month in Sierra Vista?

With an average relative humidity of 31%, July is the least humid month.

What month has the most sunshine in Sierra Vista?

The month with the most sunshine in Sierra Vista is July, with an average of 12.2h of sunshine.

What is the driest month in Sierra Vista?

The month with the least rainfall is August, when the rain falls for 1.3 days and typically collects 0.04" (1mm) of precipitation.

What time of the year is the coldest in Sierra Vista?

December, having an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 41.9°F (5.5°C), is the coldest month in Sierra Vista, California.

What is the month with the shortest days in Sierra Vista?

The month with the shortest days in Sierra Vista is December, with an average of 9h and 42min of daylight.

What is the month with the least sunshine in Sierra Vista?

With an average of 6.2h of sunshine, December has the least sunshine of the year.

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"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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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: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

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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

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

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Average cloud cover
Sierra Vista, CA

Average cloud cover - Sierra Vista, CA

The months with the most cloud cover are March and December (Cloud cover 30).
The months with the least cloud cover are July, August and September (Cloud cover 5).

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Average visibility
Sierra Vista, CA

Average visibility - Sierra Vista, CA

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

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Sierra Vista, California, USA

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