Climate and monthly weather forecastSuperior, AZ
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Superior, Arizona, with an average temperature ranging between min 41.4°F (5.2°C) and max 59.2°F (15.1°C). December's transformation into January witnesses an average high-temperature of a still refreshing 59.2°F (15.1°C), noting a minor change from the preceding month. Weather in January »Weather in February
February, the last month of the winter in Superior, is a refreshing 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). Superior's weather in February indicates an average high-temperature of a comfortable 61.3°F (16.3°C), nearly consistent with the 59.2°F (15.1°C) of January. Weather in February »Weather in March
March, the first month of the spring in Superior, is a pleasant month, with an average temperature fluctuating between 69.4°F (20.8°C) and 48.4°F (9.1°C). The coming of March brings a minor shift in Superior's weather, with average high-temperatures 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 high of 76.5°F (24.7°C) and an average low of 53.1°F (11.7°C). Superior observes a slight ascent in average high-temperatures during April, adjusting 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 another warm 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). The commencement of May sees a minor shift in the average high-temperature, moving from a warm 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 sweltering month in Superior, Arizona, with an average temperature ranging between min 68.7°F (20.4°C) and max 95.5°F (35.3°C). The highest point of temperatures falls in June and July, when the average high-temperature ascends to 95.5°F (35.3°C). Weather in June »Weather in July
July, like June, in Superior, Arizona, is a very hot summer month, with an average temperature fluctuating between 76.5°F (24.7°C) and 95.5°F (35.3°C). In Superior, the warmest period comes during June and July, when the average high-temperature touches 95.5°F (35.3°C). Weather in July »Weather in August
August, the last month of the summer in Superior, is also a hot month, 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). August's onset records a minor alteration in the average high-temperature to a tropical 94.3°F (34.6°C) from July's 95.5°F (35.3°C). Weather in August »Weather in September
The first month of the autumn, September, is still a tropical month in Superior, Arizona, with an average temperature ranging between min 70.7°F (21.5°C) and max 88.9°F (31.6°C). The arrival of September suggests a slight decrease in the average high-temperature, moving 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, like September, in Superior, Arizona, is a moderately hot autumn month, with an average temperature fluctuating between 78.6°F (25.9°C) and 59.2°F (15.1°C). October brings a decrease in the average high-temperature, falling from September's hot 88.9°F (31.6°C) to a warm 78.6°F (25.9°C). Weather in October »Weather in November
November, the last month of the autumn in Superior, is another pleasant month, with an average temperature fluctuating between 68°F (20°C) and 49.1°F (9.5°C). The onset of November introduces a moderate change in Superior's weather, with average high-temperatures falling from October's warm 78.6°F (25.9°C) to a pleasant 68°F (20°C). Weather in November »Weather in December
December, the first month of the winter in Superior, is still a mild month, with an average temperature fluctuating between 41.4°F (5.2°C) and 57.9°F (14.4°C). December, with an average high of 57.9°F (14.4°C) and a low of 41.4°F (5.2°C), signifies the coldest month of the year. Weather in December »Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Superior, during the entire year, the rain falls for 85.7 days and collects up to 14.29" (363mm) of precipitation.
January through March, September and December are months with snowfall.
Throughout the year, there are 1.7 snowfall days, and 1.61" (41mm) of snow is accumulated.
The month with the most snowfall is February, when snow falls for 0.7 days and typically aggregates up to 1.06" (27mm) of snow.
April through August, October and November are months without snowfall.
The yearly peak temperatures occur in June and July, averaging a high-temperature of 95.5°F (35.3°C).
With an average relative humidity of 20%, June is the least humid month.
June is the month with the least rainfall. Rain falls for 3.3 days and accumulates 0.2" (5mm) of precipitation.
The month with the longest days is June, with an average of 14h and 18min of daylight.
June is the month with the highest UV index, with an average maximum UV index of 8.
August is the month with the most rainfall. Rain falls for 14.7 days and accumulates 2.28" (58mm) of precipitation.
August has the most sunshine of the year, with an average of 12.2h of sunshine.
The months with the lowest UV index are November and December, with an average maximum UV index of 3.
The coldest period tends to be December, when average temperatures fluctuate between a high of 57.9°F (14.4°C) and a low of 41.4°F (5.2°C).
With an average relative humidity of 49%, December is the most humid month.
December has the shortest days of the year, with an average of 10h and 0min of daylight.
Superior does not observe Daylight Saving Time (DST). MST timezone is used over the entire year.
The month with the least sunshine is December, with an average of 6.6h of sunshine.
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).
Average pressure
Superior, AZ
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.87"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Superior, AZ
- Average wind speed in January:
5.8mph - Average wind speed in February:
5.6mph - Average wind speed in March:
6.3mph - Average wind speed in April:
7.2mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.5mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6.1mph - Average wind speed in December:
5.6mph
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).
Average humidity
Superior, AZ
The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is June (20%).
Average rainfall
Superior, AZ
- Average rainfall in January:
1.14" - Average rainfall in February:
1.57" - Average rainfall in March:
0.98" - Average rainfall in April:
0.31" - Average rainfall in May:
0.28" - Average rainfall in June:
0.2"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days
Superior, AZ
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
5.1 days - Average rainfall days in April:
4.1 days - Average rainfall days in May:
3.8 days - Average rainfall days in June:
3.3 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
5.1 days - Average rainfall days in November:
4.4 days - Average rainfall days in December:
7.5 days
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).
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").
Average snowfall days
Superior, AZ
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.7 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.5 days
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).
Average daylight / Average sunshine
Superior, AZ
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
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).
- Average sunshine in January:
6h and 54min - Average sunshine in February:
8h and 42min - Average sunshine in March:
9h and 12min - Average sunshine in April:
10h and 54min - Average sunshine in May:
11h and 54min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
12h and 12min - Average sunshine in September:
9h and 42min - Average sunshine in October:
7h and 54min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 36min
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).
Average sunshine days
Superior, AZ
- Average sunshine days in January:
24.4 days - Average sunshine days in February:
22.6 days - Average sunshine days in March:
26.3 days - Average sunshine days in April:
26 days - Average sunshine days in May:
27 days - Average sunshine days in June:
25.3 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
24.7 days - Average sunshine days in November:
25.2 days - Average sunshine days in December:
22.4 days
The month with the most sunshine days is May (27 days).
The month with the least sunshine days is July (10.8 days).
Average UV index
Superior, AZ
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover
Superior, AZ
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).
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).
