Monthly weather forecast and climate
Poston, AZ

Weather in January

January, the same as December, is another comfortable winter month in Poston, Arizona, with average temperature ranging between min 47.3°F (8.5°C) and max 63.1°F (17.3°C). In January, the average high-temperature is practically the same as in December - a still enjoyable 63.1°F (17.3°C). Weather in January »

Weather in February

February, the last month of the winter, in Poston, is another comfortable month, with average temperature ranging between max 67.1°F (19.5°C) and min 50.4°F (10.2°C). In February, the average high-temperature is essentially the same as in January - a still comfortable 67.1°F (19.5°C). Weather in February »

Weather in March

March, the first month of the spring, in Poston, is a warm month, with average temperature varying between 57.2°F (14°C) and 75.4°F (24.1°C). In March, the average high-temperature slightly increases, from an enjoyable 67.1°F (19.5°C) in February, to a warm 75.4°F (24.1°C). Weather in March »

Weather in April

April, the same as March, is a moderately hot spring month in Poston, Arizona, with average temperature varying between 62.2°F (16.8°C) and 82.8°F (28.2°C). In April, the average high-temperature slightly increases, from a moderately hot 75.4°F (24.1°C) in March, to a still warm 82.8°F (28.2°C). Weather in April »

Weather in May

The last month of the spring, May, is a tropical month in Poston, Arizona, with average temperature ranging between min 68.4°F (20.2°C) and max 90.1°F (32.3°C). In Poston, the average high-temperature in May marginally rises, from a moderately hot 82.8°F (28.2°C) in April, to a hot 90.1°F (32.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a torrid month in Poston, Arizona, with average temperature ranging between min 76.6°F (24.8°C) and max 101.7°F (38.7°C). In Poston, the average high-temperature in June rises, from a tropical 90.1°F (32.3°C) in May, to a sweltering 101.7°F (38.7°C). Weather in June »

Weather in July

July is an extremely hot summer month in Poston, Arizona, with average temperature ranging between min 84.4°F (29.1°C) and max 104.2°F (40.1°C). The warmest month is July, with an average high-temperature of 104.2°F (40.1°C) and an average low-temperature of 84.4°F (29.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Poston, is another torrid month, with average temperature varying between 103.6°F (39.8°C) and 85.6°F (29.8°C). In Poston, the average high-temperature in August is almost the same as in July - a torrid 103.6°F (39.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a torrid month in Poston, Arizona, with average temperature ranging between max 96.8°F (36°C) and min 79.9°F (26.6°C). In Poston, the average high-temperature in September slightly decreases, from a torrid 103.6°F (39.8°C) in August, to a still very hot 96.8°F (36°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Poston, Arizona, with temperature in the range of an average high of 84.9°F (29.4°C) and an average low of 68°F (20°C). In October, the average high-temperature decreases, from a torrid 96.8°F (36°C) in September, to a warm 84.9°F (29.4°C). Weather in October »

Weather in November

November, the last month of the autumn, in Poston, is also an agreeable month, with average temperature varying between 55.6°F (13.1°C) and 72.9°F (22.7°C). In November, the average high-temperature decreases, from a moderately hot 84.9°F (29.4°C) in October, to an agreeable 72.9°F (22.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Poston, Arizona, with temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 61.2°F (16.2°C). With an average high-temperature of 61.2°F (16.2°C) and an average low-temperature of 47.1°F (8.4°C), December is the coldest month. Weather in December »
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FAQ

What are the most humid months in Poston?

January and December, with an average relative humidity of 39%, are most humid months in Poston, Arizona.

How much does it rain in Poston?

In Poston, Arizona, during the entire year, the rain falls for 39.4 days and collects up to 3.9" (99mm) of precipitation.

What is the driest month in Poston?

May and June are months with the least rain when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

What is the least humid month in Poston?

The least humid month is June, with an average relative humidity of 15%.

When are the longest days in Poston?

With an average of 14.4h of daylight, June has the longest days of the year in Poston.

What month has the most sunshine in Poston?

With an average of 12.1h of sunshine, June has the most sunshine of the year in Poston, Arizona.

What is the warmest month in Poston?

With an average high-temperature of 104.2°F (40.1°C) and an average low-temperature of 84.4°F (29.1°C), July is the warmest month in Poston, Arizona.

What is the rainiest month in Poston?

July is the month with the most rainfall. Rain falls for 7.8 days and accumulates 0.59" (15mm) of precipitation.

When is the highest UV index in Poston?

July is the month with the highest UV index, with an average maximum UV index of 9.

What is the coldest month in Poston?

With an average high-temperature of 61.2°F (16.2°C) and an average low-temperature of 47.1°F (8.4°C), December is the coldest month in Poston.

What is the month with the shortest days in Poston?

The month with the shortest days is December, with an average of 9.9h of daylight.

What is the month with the least sunshine in Poston?

With an average of 7h of sunshine, December has the least sunshine of the year in Poston, Arizona.

When is the lowest UV index in Poston?

The month with the lowest UV index is December, with an average maximum UV index of 3.

Average temperature
Poston, AZ

Average temperature - Poston, AZ

The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).

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Average pressure
Poston, AZ

Average pressure - Poston, AZ

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.74").

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Average wind speed
Poston, AZ

Average wind speed - Poston, AZ

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).

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Average humidity
Poston, AZ

Average humidity - Poston, AZ

Months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).

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Average rainfall
Poston, AZ

Average rainfall - Poston, AZ

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").

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Average rainfall days
Poston, AZ

Average rainfall days - Poston, AZ

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).

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Average daylight / Average sunshine
Poston, AZ

Average daylight / Average sunshine - Poston, AZ

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days
Poston, AZ

Average sunshine days - Poston, AZ

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).

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Average visibility
Poston, AZ

Average visibility - Poston, 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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