Monthly weather forecast and climate
Superior, AZ

Weather in January

January, the same as December, in Superior, Arizona, is another mild winter month, with average temperature varying between 41.4°F (5.2°C) and 59.2°F (15.1°C). In January, the average high-temperature is practically the same as in December - a still moderate 59.2°F (15.1°C). Weather in January »

Weather in February

February, the last month of the winter, in Superior, is an enjoyable month, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 61.3°F (16.3°C). In Superior, Arizona, the average high-temperature in February is essentially the same as in January - a comfortable 61.3°F (16.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Superior, is a pleasant month, with average temperature ranging between max 69.4°F (20.8°C) and min 48.4°F (9.1°C). In March, the average high-temperature marginally rises, from a comfortable 61.3°F (16.3°C) in February, to an agreeable 69.4°F (20.8°C). Weather in March »

Weather in April

April is a moderately hot spring month in Superior, Arizona, with average temperature ranging between min 53.1°F (11.7°C) and max 76.5°F (24.7°C). In April, the average high-temperature slightly increases, from a pleasant 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 temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 84°F (28.9°C). In May, the average high-temperature marginally rises, from 76.5°F (24.7°C) in April, 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 average temperature varying between 68.7°F (20.4°C) and 95.5°F (35.3°C). June and July, with an average high-temperature of 95.5°F (35.3°C), are the warmest months. The least humid month in Superior, Arizona, is June, with an average relative humidity of 20%. Weather in June »

Weather in July

July, the same as June, is a very hot summer month in Superior, Arizona, with average temperature ranging between min 76.5°F (24.7°C) and max 95.5°F (35.3°C). June and July, with an average high-temperature of 95.5°F (35.3°C), are the warmest months. Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Superior, Arizona, with average temperature ranging between min 76.5°F (24.7°C) and max 94.3°F (34.6°C). In August, the average high-temperature is practically the same as in July - a tropical 94.3°F (34.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Superior, Arizona, with average temperature varying between 88.9°F (31.6°C) and 70.7°F (21.5°C). In Superior, the average high-temperature marginally drops, from a hot 94.3°F (34.6°C) in August, to a still tropical 88.9°F (31.6°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Superior, Arizona, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 59.2°F (15.1°C). In October, the average high-temperature decreases, 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 average temperature varying between 68°F (20°C) and 49.1°F (9.5°C). In Superior, the average high-temperature drops, from a moderately hot 78.6°F (25.9°C) in October, to a pleasant 68°F (20°C). Weather in November »

Weather in December

The first month of the winter, December, is also a moderate month in Superior, Arizona, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 41.4°F (5.2°C). With an average high-temperature of 57.9°F (14.4°C) and an average low-temperature of 41.4°F (5.2°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Superior?

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

When does it snow in Superior?

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

How many days does it snow in Superior?

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

What is the snowiest month in Superior?

The month with the most snowfall in Superior is February when snow falls for 0.7 days and typically aggregates up to 1.06" (27mm) of snow.

When it does not snow in Superior?

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

What are the warmest months in Superior?

Warmest months are June and July, with an average high-temperature of 95.5°F (35.3°C).

What is the least humid month in Superior?

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

What is the driest month in Superior?

June is the month with the least rainfall in Superior, Arizona. Rain falls for 3.3 days and accumulates 0.2" (5mm) of precipitation.

When are the longest days in Superior?

June has the longest days of the year in Superior, with an average of 14.3h of daylight.

What is the month with 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?

August is the month with the most rainfall. Rain falls for 14.7 days and accumulates 2.28" (58mm) of precipitation.

What month has the most sunshine in Superior?

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

What is the month with the lowest UV index in Superior?

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

What is the coldest month in Superior?

December is the coldest month, with an average high-temperature of 57.9°F (14.4°C) and an average low-temperature of 41.4°F (5.2°C).

What is the most humid month in Superior?

December is the most humid month in Superior, 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 of daylight.

What is the month with the least sunshine in Superior?

The month with the least sunshine is December, with an average of 6.6h of sunshine.

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).

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").
The month with the lowest atmospheric pressure is June (29.85").

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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").
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).
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: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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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

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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