Climate and monthly weather forecast
Rio Rico, AZ

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Weather in January

January, like December, is another mild winter month in Rio Rico, Arizona, with an average temperature fluctuating between 60.4°F (15.8°C) and 40.5°F (4.7°C). Rio Rico's average high-temperature marks a still moderate 60.4°F (15.8°C) with the advent of January, closely mirroring that of the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is an enjoyable month in Rio Rico, Arizona, with an average temperature fluctuating between 41.7°F (5.4°C) and 61.5°F (16.4°C). The transition into February reveals an average high-temperature of an enjoyable 61.5°F (16.4°C), mirroring a close resemblance to January. Weather in February »

Weather in March

The first month of the spring, March, is a pleasant month in Rio Rico, Arizona, with an average temperature ranging between min 46.9°F (8.3°C) and max 68.5°F (20.3°C). A subtle rise in the average high-temperature is observed during March, adjusting from an enjoyable 61.5°F (16.4°C) in February to an agreeable 68.5°F (20.3°C). Weather in March »

Weather in April

April is a warm spring month in Rio Rico, Arizona, with an average temperature fluctuating between 50.4°F (10.2°C) and 74.3°F (23.5°C). In Rio Rico, the average high-temperature in April slightly increases from an agreeable 68.5°F (20.3°C) in March to a warm 74.3°F (23.5°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Rio Rico, Arizona, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 55.2°F (12.9°C). May introduces a minor temperature shift, with average high-temperatures adjusting from April's moderately hot 74.3°F (23.5°C) to a still warm 81.3°F (27.4°C). Weather in May »

Weather in June

June, the first month of the summer in Rio Rico, is a hot month, with an average temperature varying between 91°F (32.8°C) and 65.3°F (18.5°C). Rio Rico reaches its highest average temperatures in June, measuring 91°F (32.8°C) at the peak and 65.3°F (18.5°C) at the lowest. Weather in June »

Weather in July

July, the same as June, in Rio Rico, Arizona, is a hot summer month, with an average temperature varying between 87.4°F (30.8°C) and 70.2°F (21.2°C). The arrival of July brings an average high-temperature of a still hot 87.4°F (30.8°C), subtly diverging from June's 91°F (32.8°C). Weather in July »

Weather in August

August, the last month of the summer in Rio Rico, is also a hot month, with an average temperature varying between 87.1°F (30.6°C) and 68.4°F (20.2°C). Stepping into August, Rio Rico records an average high-temperature of a still tropical 87.1°F (30.6°C), almost consistent with July. Weather in August »

Weather in September

September, the first month of the autumn in Rio Rico, is also a moderately hot month, with temperature in the range of an average low of 64.6°F (18.1°C) and an average high of 83.7°F (28.7°C). September brings an average high-temperature of a moderately hot 83.7°F (28.7°C), nearly identical to the preceding month. Weather in September »

Weather in October

October, like September, in Rio Rico, Arizona, is a moderately hot autumn month, with an average temperature fluctuating between 55.4°F (13°C) and 77.2°F (25.1°C). The beginning of October brings a slight decrease in the average high-temperature, transitioning from 83.7°F (28.7°C) in September to a still warm 77.2°F (25.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Rio Rico, Arizona, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 67.6°F (19.8°C). With November's arrival, Rio Rico sees a decrease in average high-temperatures, moving from a warm 77.2°F (25.1°C) in October to a refreshing 67.6°F (19.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Rio Rico, Arizona, with an average temperature varying between 59.2°F (15.1°C) and 39.9°F (4.4°C). Rio Rico's coldest month, December, generally records average temperatures ranging from a high of 59.2°F (15.1°C) to a low of 39.9°F (4.4°C). Weather in December »
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

Throughout the year, there are 87.8 rainfall days, and 15.43" (392mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through March and December.

How much does it snow in Rio Rico?

In Rio Rico, during the entire year, snow falls for 2.1 days and aggregates up to 2.32" (59mm) of snow.

When is the lowest UV index?

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

When it does not snow in Rio Rico?

In Rio Rico, snow does not fall in April through November.

What is the least humid month?

May and June, with an average relative humidity of 24%, are the least humid months.

What is the driest month?

The month with the least rainfall is May, when the rain falls for 1.8 days and typically collects 0.16" (4mm) of precipitation.

What time of the year is the hottest?

June is the warmest month of the year, registering average temperatures as high as 91°F (32.8°C) and as low as 65.3°F (18.5°C).

When are the longest days in Rio Rico?

The month with the longest days is June, with an average of 14h and 12min of daylight.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 12h of sunshine.

What is the month with the highest UV index?

The months with the highest UV index are June and August, with an average maximum UV index of 7.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 21.9 days and accumulates 4.53" (115mm) of precipitation.

What is the most humid month?

With an average relative humidity of 51%, August is the most humid month.

What month is the coldest?

December, on average, is the coldest month, registering a high temperature of 59.2°F (15.1°C) and a low of 39.9°F (4.4°C).

What is the snowiest month in Rio Rico?

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

What is the month with the shortest days?

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

Is there Daylight Saving Time (DST)?

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

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 6.9h of sunshine.

Average temperature
Rio Rico, AZ

Average temperature - Rio Rico, AZ

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (59.2°F).

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).

Average pressure
Rio Rico, AZ

Average pressure - Rio Rico, AZ

The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed
Rio Rico, AZ

Average wind speed - Rio Rico, AZ

The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity
Rio Rico, AZ

Average humidity - Rio Rico, AZ

The month with the highest relative humidity is August (51%).
The months with the lowest relative humidity are May and June (24%).

Average rainfall
Rio Rico, AZ

Average rainfall - Rio Rico, AZ

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.16").

Average rainfall days
Rio Rico, AZ

Average rainfall days - Rio Rico, AZ

The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is May (1.8 days).

Average snowfall
Rio Rico, AZ

Average snowfall - Rio Rico, AZ

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

Average snowfall days
Rio Rico, AZ

Average snowfall days - Rio Rico, AZ

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Rio Rico, AZ

Average daylight / Average sunshine - Rio Rico, 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 June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days
Rio Rico, AZ

Average sunshine days - Rio Rico, AZ

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (6.6 days).

Average UV index
Rio Rico, AZ

Average UV index - Rio Rico, AZ

The months with the highest UV index are June and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average visibility
Rio Rico, AZ

Average visibility - Rio Rico, 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).

Rio Rico, Arizona, USA

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