Climate and monthly weather forecast
Superior, AZ

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Weather in January

January, the same as December, in Superior, Arizona, is another refreshing winter month, with an average temperature varying between 41.4°F (5.2°C) and 59.2°F (15.1°C). Superior experiences an average high-temperature of a still refreshing 59.2°F (15.1°C) in January, marking an insignificant shift from 57.9°F (14.4°C) in December. Weather in January »

Weather in February

The last month of the winter, February, is a refreshing month in Superior, Arizona, with an average temperature ranging between max 61.3°F (16.3°C) and min 42.8°F (6°C). The arrival of February coincides with an average high-temperature of an enjoyable 61.3°F (16.3°C), indicating a minimal shift from January's 59.2°F (15.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a pleasant month in Superior, Arizona, with an average temperature ranging between max 69.4°F (20.8°C) and min 48.4°F (9.1°C). March showcases a minor temperature ascent, adjusting from February's refreshing 61.3°F (16.3°C) to an agreeable 69.4°F (20.8°C). Weather in March »

Weather in April

April is a warm spring month in Superior, Arizona, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 76.5°F (24.7°C). April's arrival is noted with a slight increase in the average high-temperature, moving from an agreeable 69.4°F (20.8°C) in March to a warm 76.5°F (24.7°C). Weather in April »

Weather in May

May, the last month of the spring in Superior, is also a moderately hot month, with an average temperature fluctuating between 84°F (28.9°C) and 58.8°F (14.9°C). The coming of May brings a minor shift in Superior's weather, with average high-temperatures adjusting from April's 76.5°F (24.7°C) to a still moderately hot 84°F (28.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a torrid month in Superior, Arizona, with an average temperature varying between 95.5°F (35.3°C) and 68.7°F (20.4°C). The warmest period falls in June and July, when the average high-temperature reaches 95.5°F (35.3°C). Weather in June »

Weather in July

July, the same as June, is another sweltering summer month in Superior, Arizona, with an average temperature ranging between min 76.5°F (24.7°C) and max 95.5°F (35.3°C). In Superior, the months of June and July register the highest average temperatures, peaking at 95.5°F (35.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Superior, Arizona, with temperature in the range of an average low of 76.5°F (24.7°C) and an average high of 94.3°F (34.6°C). The onset of August notes an average high-temperature of a hot 94.3°F (34.6°C), subtly shifted from July's 95.5°F (35.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Superior, is still a tropical month, with an average temperature fluctuating between 88.9°F (31.6°C) and 70.7°F (21.5°C). With the arrival of September, Superior notices a mild change in the average high-temperature, sliding from August's 94.3°F (34.6°C) to a still tropical 88.9°F (31.6°C). Weather in September »

Weather in October

October, like September, in Superior, Arizona, is a moderately hot autumn month, with an average temperature varying between 59.2°F (15.1°C) and 78.6°F (25.9°C). The start of October signals a decrease in the average high-temperature, transitioning from a hot 88.9°F (31.6°C) in September to a moderately hot 78.6°F (25.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Superior, is also an agreeable month, with temperature in the range of an average high of 68°F (20°C) and an average low of 49.1°F (9.5°C). November's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 78.6°F (25.9°C) in October to an agreeable 68°F (20°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Superior, Arizona, with an average temperature fluctuating between 41.4°F (5.2°C) and 57.9°F (14.4°C). December, with average temperatures reaching a high of 57.9°F (14.4°C) and a low of 41.4°F (5.2°C), is the coldest month. Weather in December »
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Frequently asked questions

How many days does it rain in Superior?

Throughout the year, in Superior, there are 85.7 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

When does it snow in Superior?

Months with snowfall are January through March, September and December.

How much does it snow in Superior?

Throughout the year, there are 1.7 snowfall days, and 1.61" (41mm) of snow is accumulated.

When does it snow the most in Superior?

February is the month with the most snowfall in Superior, Arizona. Snow falls for 0.7 days and accumulates 1.06" (27mm) of snow.

When it does not snow in Superior?

In Superior, snow does not fall in April through August, October and November.

What part of the year is the hottest in Superior?

June and July, when the average high-temperature in Superior, Arizona, reaches 95.5°F (35.3°C), are the warmest months.

What is the least humid month in Superior?

June is the least humid month in Superior, with an average relative humidity of 20%.

What is the driest month in Superior?

The month with the least rainfall is June, when the rain falls for 3.3 days and typically collects 0.2" (5mm) of precipitation.

When are the longest days in Superior?

The month with the longest days in Superior, Arizona, is June, with an average of 14h and 18min of daylight.

When is the highest UV index in Superior?

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

What is the wettest month in Superior?

The month with the most rainfall in Superior is August, when the rain falls for 14.7 days and typically aggregates up to 2.28" (58mm) of precipitation.

What month has the most sunshine in Superior?

The month with the most sunshine in Superior is August, with an average of 12.2h of sunshine.

When is the lowest UV index in Superior?

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

What is the coldest month in Superior?

December is the month when Superior sees the average lowest temperatures, with a high of 57.9°F (14.4°C) and a low of 41.4°F (5.2°C).

What is the most humid month in Superior?

The most humid month in Superior is December, with an average relative humidity of 49%.

What is the month with the shortest days in Superior?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

Is there Daylight Saving Time (DST) in Superior?

Superior does not utilize Daylight Saving Time (DST). MST timezone is used over the entire year.

What is the month with the least sunshine in Superior?

With an average of 6.6h of sunshine, December has the least sunshine of the year in Superior, Arizona.

Average temperature
Superior, AZ

Average temperature - Superior, AZ

The warmest months (with the highest average high temperature) are June and July (95.5°F).
The month with the lowest average high temperature is December (57.9°F).

The months with the highest average low temperature are July and August (76.5°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).

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Average pressure
Superior, AZ

Average pressure - Superior, AZ

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed
Superior, AZ

Average wind speed - Superior, AZ

The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average rainfall
Superior, AZ

Average rainfall - Superior, AZ

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days
Superior, AZ

Average rainfall days - Superior, AZ

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is June (3.3 days).

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Average snowfall
Superior, AZ

Average snowfall - Superior, AZ

The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, October and November (0").

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Average snowfall days
Superior, AZ

Average snowfall days - Superior, AZ

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).

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Average daylight / Average sunshine
Superior, AZ

Average daylight / Average sunshine - Superior, AZ

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days
Superior, AZ

Average sunshine days - Superior, AZ

The month with the most sunshine days is May (27 days).
The month with the least sunshine days is July (10.8 days).

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Average visibility
Superior, AZ

Average visibility - Superior, 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).

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Superior, Arizona, USA

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