Monthly weather forecast and climate
Rillito, AZ

Weather in January

January, like December, in Rillito, Arizona, is another comfortable winter month, with average temperature varying between 63°F (17.2°C) and 44.8°F (7.1°C). In Rillito, the average high-temperature is relatively the same as in December - a still enjoyable 63°F (17.2°C). Weather in January »

Weather in February

February, the last month of the winter, in Rillito, is also an enjoyable month, with average temperature fluctuating between 65.5°F (18.6°C) and 46.6°F (8.1°C). In February, the average high-temperature is almost the same as in January - a still comfortable 65.5°F (18.6°C). Weather in February »

Weather in March

March, the first month of the spring, in Rillito, is a pleasant month, with average temperature ranging between min 52.3°F (11.3°C) and max 73°F (22.8°C). In Rillito, the average high-temperature marginally rises, from an enjoyable 65.5°F (18.6°C) in February, to a pleasant 73°F (22.8°C). Weather in March »

Weather in April

April is a warm spring month in Rillito, Arizona, with average temperature fluctuating between 80.2°F (26.8°C) and 56.3°F (13.5°C). In Rillito, Arizona, the average high-temperature slightly increases, from an agreeable 73°F (22.8°C) in March, to a warm 80.2°F (26.8°C). Weather in April »

Weather in May

May, the last month of the spring, in Rillito, is a tropical month, with average temperature fluctuating between 62.6°F (17°C) and 88°F (31.1°C). In Rillito, Arizona, the average high-temperature slightly increases, from a moderately hot 80.2°F (26.8°C) in April, to a hot 88°F (31.1°C). Weather in May »

Weather in June

June, the first month of the summer, in Rillito, is a torrid month, with average temperature fluctuating between 99°F (37.2°C) and 72.1°F (22.3°C). With an average high-temperature of 99°F (37.2°C) and an average low-temperature of 72.1°F (22.3°C), June is the warmest month. Weather in June »

Weather in July

July, the same as June, is a very hot summer month in Rillito, Arizona, with temperature in the range of an average high of 97.5°F (36.4°C) and an average low of 79.3°F (26.3°C). In July, the average high-temperature is practically the same as in June - a still sweltering 97.5°F (36.4°C). Weather in July »

Weather in August

August, the last month of the summer, in Rillito, is another very hot month, with temperature in the range of an average high of 97°F (36.1°C) and an average low of 79.7°F (26.5°C). In August, the average high-temperature is relatively the same as in July - a still very hot 97°F (36.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Rillito, Arizona, with average temperature fluctuating between 91.9°F (33.3°C) and 74.1°F (23.4°C). In Rillito, Arizona, the average high-temperature is almost the same as in August - a hot 91.9°F (33.3°C). Weather in September »

Weather in October

October, like September, in Rillito, Arizona, is a moderately hot autumn month, with average temperature varying between 83.1°F (28.4°C) and 63°F (17.2°C). In October, the average high-temperature slightly decreases, from a tropical 91.9°F (33.3°C) in September, to a moderately hot 83.1°F (28.4°C). Weather in October »

Weather in November

November, the last month of the autumn, in Rillito, is another pleasant month, with average temperature varying between 52.7°F (11.5°C) and 72.3°F (22.4°C). In Rillito, the average high-temperature decreases, from a moderately hot 83.1°F (28.4°C) in October, to an agreeable 72.3°F (22.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Rillito, Arizona, with average temperature ranging between min 44.6°F (7°C) and max 61.9°F (16.6°C). With an average high-temperature of 61.9°F (16.6°C) and an average low-temperature of 44.6°F (7°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Rillito?

In Rillito, during the entire year, the rain falls for 71.5 days and collects up to 9.72" (247mm) of precipitation.

What is the driest month in Rillito?

Months with the least rainfall in Rillito are April and May Rain falls for 2.7 days and accumulates 0.2" (5mm) of rain.

What is the warmest month in Rillito?

The warmest month in Rillito is June, with an average high-temperature of 99°F (37.2°C) and an average low-temperature of 72.1°F (22.3°C).

What is the least humid month in Rillito?

With an average relative humidity of 18%, June is the least humid month.

When are the longest days in Rillito?

With an average of 14.2h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Rillito?

June through August, with an average maximum UV index of 8, are months with the highest UV index.

What is the rainiest month in Rillito?

The month with the most rainfall is August when the rain falls for 12.7 days and typically aggregates up to 1.77" (45mm) of precipitation.

What month has the most sunshine in Rillito?

With an average of 12.2h of sunshine, August has the most sunshine of the year in Rillito.

What is the coldest month in Rillito?

The coldest month is December, with an average high-temperature of 61.9°F (16.6°C) and an average low-temperature of 44.6°F (7°C).

What is the most humid month in Rillito?

With an average relative humidity of 45%, December is the most humid month in Rillito, Arizona.

What is the month with the shortest days in Rillito?

The month with the shortest days is December, with an average of 10.1h of daylight.

What is the month with the least sunshine in Rillito?

The month with the least sunshine in Rillito is December, with an average of 6.8h of sunshine.

When is the lowest UV index in Rillito?

December is the month with the lowest UV index in Rillito, Arizona, with an average maximum UV index of 3.

Average pressure
Rillito, AZ

Average pressure - Rillito, AZ

The month with the highest atmospheric pressure is January (30.07").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed
Rillito, AZ

Average wind speed - Rillito, AZ

The windiest months (with the highest average wind speed) are April and May (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).

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Average rainfall
Rillito, AZ

Average rainfall - Rillito, AZ

The wettest month (with the highest rainfall) is August (1.77").
The driest months (with the least rainfall) are April and May (0.2").

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Average rainfall days
Rillito, AZ

Average rainfall days - Rillito, AZ

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is May (2.4 days).

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Average daylight / Average sunshine
Rillito, AZ

Average daylight / Average sunshine - Rillito, AZ

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days
Rillito, AZ

Average sunshine days - Rillito, AZ

The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13 days).

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Average visibility
Rillito, AZ

Average visibility - Rillito, 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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