Climate and monthly weather forecast
South Tucson, AZ

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Weather in January

January, the same as December, is another refreshing winter month in South Tucson, Arizona, with an average temperature fluctuating between 61.7°F (16.5°C) and 43°F (6.1°C). South Tucson transitions into January recording an average high-temperature of a still refreshing 61.7°F (16.5°C), closely aligning with the preceding month's temperature. Weather in January »

Weather in February

The last month of the winter, February, is also an enjoyable month in South Tucson, Arizona, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 64°F (17.8°C). The beginning of February records an average high-temperature of a still enjoyable 64°F (17.8°C), almost echoing the conditions of the previous month. Weather in February »

Weather in March

March, the first month of the spring in South Tucson, is a pleasant month, with an average temperature ranging between min 50.7°F (10.4°C) and max 71.8°F (22.1°C). With the onset of March, South Tucson observes a minor temperature ascent, with the average high-temperature adjusting from February's enjoyable 64°F (17.8°C) to an agreeable 71.8°F (22.1°C). Weather in March »

Weather in April

April is a warm spring month in South Tucson, Arizona, with an average temperature ranging between min 54.7°F (12.6°C) and max 78.3°F (25.7°C). April witnesses a minor rise in the average high-temperature, transitioning from a pleasant 71.8°F (22.1°C) in March to a moderately hot 78.3°F (25.7°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in South Tucson, Arizona, with an average temperature fluctuating between 60.4°F (15.8°C) and 85.5°F (29.7°C). The onset of May brings a minor temperature shift, with the average high-temperature moving from a warm 78.3°F (25.7°C) in April to a still moderately hot 85.5°F (29.7°C). Weather in May »

Weather in June

June, the first month of the summer in South Tucson, is a torrid month, with an average temperature ranging between min 70.7°F (21.5°C) and max 96.6°F (35.9°C). With an average high-temperature of 96.6°F (35.9°C) and an average low-temperature of 70.7°F (21.5°C), June is the warmest month. Weather in June »

Weather in July

July, the same as June, in South Tucson, Arizona, is another hot summer month, with an average temperature ranging between max 94.5°F (34.7°C) and min 77°F (25°C). South Tucson's entry into July measures an average high-temperature of a hot 94.5°F (34.7°C), closely parallel to the preceding month. Weather in July »

Weather in August

The last month of the summer, August, is another hot month in South Tucson, Arizona, with temperature in the range of an average low of 75.9°F (24.4°C) and an average high of 93.9°F (34.4°C). South Tucson marks the arrival of August with an average high-temperature of a still hot 93.9°F (34.4°C), hardly different from July's 94.5°F (34.7°C). Weather in August »

Weather in September

September, the first month of the autumn in South Tucson, is also a hot month, with temperature in the range of an average low of 70.7°F (21.5°C) and an average high of 88.7°F (31.5°C). South Tucson's weather in September displays an average high-temperature of a still hot 88.7°F (31.5°C), showing minor disparity from August's 93.9°F (34.4°C). Weather in September »

Weather in October

October, like September, in South Tucson, Arizona, is a moderately hot autumn month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 60.4°F (15.8°C). South Tucson observes a small decrease in the average high-temperature with the arrival of October, falling from September's hot 88.7°F (31.5°C) to a moderately hot 81.1°F (27.3°C). Weather in October »

Weather in November

November, the last month of the autumn in South Tucson, is another pleasant month, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 50.5°F (10.3°C). The onset of November results in a decrease in the average high-temperature, receding from a moderately hot 81.1°F (27.3°C) in October to a pleasant 70.9°F (21.6°C). Weather in November »

Weather in December

December, the first month of the winter in South Tucson, is still a comfortable month, with an average temperature ranging between min 43°F (6.1°C) and max 60.8°F (16°C). South Tucson's coldest weather arrives in December, when temperatures average a high of 60.8°F (16°C) and a low of 43°F (6.1°C). Weather in December »
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain?

Throughout the year, there are 66.1 rainfall days, and 7.95" (202mm) of precipitation is accumulated.

When does it snow?

January is the only month when snow falls.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 0.2 days and typically aggregates up to 0.08" (2mm) of snow.

How much does it snow?

In South Tucson, during the entire year, snow falls for 0.2 days and aggregates up to 0.08" (2mm) of snow.

When it does not snow?

February through December are months without snowfall.

What is the driest month in South Tucson?

May is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.08" (2mm) of precipitation.

What is the hottest time of year?

June, characterized by an average high temperature of 96.6°F (35.9°C) and a low temperature of 70.7°F (21.5°C), is generally the warmest month.

What is the least humid month?

With an average relative humidity of 19%, June is the least humid month.

When are the longest days?

June has the longest days of the year, with an average of 14h and 12min of daylight.

What is the month with the highest UV index?

With an average maximum UV index of 8, June is the month with the highest UV index.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 13.3 days and accumulates 1.42" (36mm) of precipitation.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 12.2h of sunshine.

When is the lowest UV index?

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

What month is the coldest?

South Tucson's December weather reaches an average high of 60.8°F (16°C) and an average low of 43°F (6.1°C), making it the coldest month.

What is the most humid month in South Tucson?

December is the most humid month, with an average relative humidity of 45%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

Is there Daylight Saving Time (DST)?

South Tucson does not utilize Daylight Saving Time (DST). MST timezone is used throughout the entire year.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 7h of sunshine.

Average temperature
South Tucson, AZ

Average temperature - South Tucson, AZ

The warmest month (with the highest average high temperature) is June (96.6°F).
The month with the lowest average high temperature is December (60.8°F).

The month with the highest average low temperature is July (77°F).
The coldest months (with the lowest average low temperature) are January and December (43°F).

Average pressure
South Tucson, AZ

Average pressure - South Tucson, AZ

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed
South Tucson, AZ

Average wind speed - South Tucson, AZ

The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity
South Tucson, AZ

Average humidity - South Tucson, AZ

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (19%).

Average rainfall
South Tucson, AZ

Average rainfall - South Tucson, AZ

The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is May (0.08").

Average rainfall days
South Tucson, AZ

Average rainfall days - South Tucson, AZ

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is May (1.3 days).

Average snowfall
South Tucson, AZ

Average snowfall - South Tucson, AZ

The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days
South Tucson, AZ

Average snowfall days - South Tucson, AZ

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight / Average sunshine
South Tucson, AZ

Average daylight / Average sunshine - South Tucson, AZ

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days
South Tucson, AZ

Average sunshine days - South Tucson, AZ

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (13.3 days).

Average visibility
South Tucson, AZ

Average visibility - South Tucson, AZ

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).

South Tucson, Arizona, USA

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