Monthly weather forecast and climate
Sierra Vista, AZ

The vast Sierra Vista region of Arizona
The vast Sierra Vista region of Arizona

Weather in January

January, like December, is a moderate winter month in Sierra Vista, Arizona, with average temperature varying between 37.8°F (3.2°C) and 57.4°F (14.1°C). In Sierra Vista, the average high-temperature is essentially the same as in December - a still moderate 57.4°F (14.1°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Sierra Vista, Arizona, with average temperature varying between 59.7°F (15.4°C) and 39.9°F (4.4°C). In Sierra Vista, Arizona, the average high-temperature is almost the same as in January - a still moderate 59.7°F (15.4°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Sierra Vista, Arizona, with average temperature varying between 45.1°F (7.3°C) and 67.5°F (19.7°C). In Sierra Vista, the average high-temperature in March slightly increases, from a mild 59.7°F (15.4°C) in February, to a comfortable 67.5°F (19.7°C). Weather in March »

Weather in April

April in Sierra Vista, Arizona, is an agreeable spring month, with average temperature varying between 73.2°F (22.9°C) and 49.1°F (9.5°C). In Sierra Vista, the average high-temperature marginally rises, from a comfortable 67.5°F (19.7°C) in March, to a pleasant 73.2°F (22.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Sierra Vista, Arizona, with average temperature varying between 54.1°F (12.3°C) and 80.1°F (26.7°C). In May, the average high-temperature marginally rises, from an agreeable 73.2°F (22.9°C) in April, to a moderately hot 80.1°F (26.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Sierra Vista, Arizona, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 64.9°F (18.3°C). The warmest month is June, with an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 64.9°F (18.3°C). Weather in June »

Weather in July

July, the same as June, in Sierra Vista, Arizona, is a hot summer month, with average temperature ranging between min 69.6°F (20.9°C) and max 86.5°F (30.3°C). In Sierra Vista, the average high-temperature is almost the same as in June - a still hot 86.5°F (30.3°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Sierra Vista, Arizona, with average temperature fluctuating between 86.5°F (30.3°C) and 68.2°F (20.1°C). In August, the average high-temperature remains equal as in July - a still hot 86.5°F (30.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in Sierra Vista, is also a moderately hot month, with average temperature varying between 81.7°F (27.6°C) and 63.1°F (17.3°C). In Sierra Vista, Arizona, the average high-temperature in September is essentially the same as in August - a moderately hot 81.7°F (27.6°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Sierra Vista, Arizona, with average temperature fluctuating between 75.6°F (24.2°C) and 54.1°F (12.3°C). In October, the average high-temperature slightly decreases, from 81.7°F (27.6°C) in September, to a still moderately hot 75.6°F (24.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Sierra Vista, Arizona, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 45°F (7.2°C). In November, the average high-temperature drops, from a moderately hot 75.6°F (24.2°C) in October, to a comfortable 65.5°F (18.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Sierra Vista, is also a moderate month, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 37.8°F (3.2°C). With an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 37.8°F (3.2°C), December is the coldest month. Weather in December »
[Resources]

FAQ

How many days does it rain in Sierra Vista?

In Sierra Vista, Arizona, during the entire year, the rain falls for 92.2 days and collects up to 15.47" (393mm) of precipitation.

When does it snow in Sierra Vista?

January through March and December are months with snowfall.

How much does it snow in Sierra Vista?

Throughout the year, in Sierra Vista, Arizona, there are 3 snowfall days, and 3.27" (83mm) of snow is accumulated.

What are the months with the lowest UV index in Sierra Vista?

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

When does it snow the most in Sierra Vista?

The month with the most snowfall is February when snow falls for 0.6 days and typically aggregates up to 1.46" (37mm) of snow.

When it does not snow in Sierra Vista?

April through November are months without snowfall in Sierra Vista, Arizona.

What are the least humid months in Sierra Vista?

Months with the lowest humidity in Sierra Vista, Arizona, are May and June, with an average relative humidity of 23%.

What is the driest month in Sierra Vista?

May is the month with the least rainfall in Sierra Vista, Arizona. Rain falls for 2.3 days and accumulates 0.12" (3mm) of precipitation.

What is the warmest month in Sierra Vista?

With an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 64.9°F (18.3°C), June is the warmest month in Sierra Vista.

When are the longest days in Sierra Vista?

June has the longest days of the year in Sierra Vista, Arizona, with an average of 14.2h of daylight.

What are the months with the most sunshine in Sierra Vista?

June and August, with an average of 12h of sunshine, are months with the most sunshine in Sierra Vista, Arizona.

What is the month with the highest UV index in Sierra Vista?

The month with the highest UV index in Sierra Vista is June, with an average maximum UV index of 7.

What is the wettest month in Sierra Vista?

The month with the most rainfall in Sierra Vista is July when the rain falls for 21.3 days and typically aggregates up to 4.53" (115mm) of precipitation.

What is the most humid month in Sierra Vista?

September is the most humid month, with an average relative humidity of 50%.

What is the coldest month in Sierra Vista?

The coldest month in Sierra Vista is December, with an average high-temperature of 56.5°F (13.6°C) and an average low-temperature of 37.8°F (3.2°C).

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

December has the shortest days of the year, with an average of 10.1h of daylight.

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

With an average of 6.9h of sunshine, December has the least sunshine of the year in Sierra Vista, Arizona.

Average temperature
Sierra Vista, AZ

Average temperature - Sierra Vista, AZ

The warmest month (with the highest average high temperature) is June (90.1°F).
The month with the lowest average high temperature is December (56.5°F).

The month with the highest average low temperature is July (69.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.8°F).

[Resources]

Average pressure
Sierra Vista, AZ

Average pressure - Sierra Vista, AZ

The month with the highest atmospheric pressure is January (30.07").
The month with the lowest atmospheric pressure is June (29.84").

[Resources]

Average wind speed
Sierra Vista, AZ

Average wind speed - Sierra Vista, AZ

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

[Resources]

Average humidity
Sierra Vista, AZ

Average humidity - Sierra Vista, AZ

The month with the highest relative humidity is September (50%).
Months with the lowest relative humidity are May and June (23%).

[Resources]

Average rainfall
Sierra Vista, AZ

Average rainfall - Sierra Vista, AZ

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.12").

[Resources]

Average rainfall days
Sierra Vista, AZ

Average rainfall days - Sierra Vista, AZ

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (2.3 days).

[Resources]

Average snowfall
Sierra Vista, AZ

Average snowfall - Sierra Vista, AZ

The month with the highest snowfall is February (1.46").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days
Sierra Vista, AZ

Average snowfall days - Sierra Vista, AZ

The month with the highest number of snowfall days is December (1.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight / Average sunshine
Sierra Vista, AZ

Average daylight / Average sunshine - Sierra Vista, AZ

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

Months with the most sunshine are June and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.9h).

[Resources]

Average sunshine days
Sierra Vista, AZ

Average sunshine days - Sierra Vista, AZ

The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (6.5 days).

[Resources]

Average UV index
Sierra Vista, AZ

Average UV index - Sierra Vista, AZ

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

[Resources]

Average visibility
Sierra Vista, AZ

Average visibility - Sierra Vista, AZ

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).

[Resources]