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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Poston, Arizona, is another comfortable winter month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 47.3°F (8.5°C). January observes an average high-temperature of a still enjoyable 63.1°F (17.3°C), marking an insignificant difference from December's 61.2°F (16.2°C). Weather in January »
Weather in February
The last month of the winter, February, is another comfortable month in Poston, Arizona, with an average temperature fluctuating between 67.1°F (19.5°C) and 50.4°F (10.2°C). February's advent presents an average high-temperature of a still comfortable 67.1°F (19.5°C), indicating a slight variation from the conditions of the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a warm month in Poston, Arizona, with an average temperature ranging between min 57.2°F (14°C) and max 75.4°F (24.1°C). As March arrives, a slight rise in the average high-temperature is observed, moving from an enjoyable 67.1°F (19.5°C) in February to a moderately hot 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 an average temperature ranging between min 62.2°F (16.8°C) and max 82.8°F (28.2°C). A slight uplift in the average high-temperature marks April, adjusting from March's warm 75.4°F (24.1°C) to a still moderately hot 82.8°F (28.2°C). Weather in April »
Weather in May
May, the last month of the spring in Poston, is a tropical month, with an average temperature varying between 90.1°F (32.3°C) and 68.4°F (20.2°C). May's arrival signals a subtle increase in average high-temperatures, moving from April's warm 82.8°F (28.2°C) to a tropical 90.1°F (32.3°C). Weather in May »
Weather in June
June, the first month of the summer in Poston, is a very hot month, with an average temperature varying between 76.6°F (24.8°C) and 101.7°F (38.7°C). The start of June brings a rise in the average high-temperature, moving from a hot 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 a blisteringly hot summer month in Poston, Arizona, with an average temperature ranging between max 104.2°F (40.1°C) and min 84.4°F (29.1°C). In Poston, July is the warmest month, with temperatures averaging a high of 104.2°F (40.1°C) and a low of 84.4°F (29.1°C). The average relative humidity in July in Poston is 24%. Weather in July »
Weather in August
August, the last month of the summer in Poston, is another very hot month, with an average temperature varying between 85.6°F (29.8°C) and 103.6°F (39.8°C). The average high-temperature in August, at a fiery hot 103.6°F (39.8°C), reveals a modest deviation from July's 104.2°F (40.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Poston, is still a torrid month, with an average temperature fluctuating between 96.8°F (36°C) and 79.9°F (26.6°C). Poston records a mild change in average high-temperature during September, easing from 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, like September, in Poston, Arizona, is another warm autumn month, 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). With October's arrival, Poston's weather changes as the average high-temperature falls from a very hot 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 another pleasant month, with an average temperature varying between 55.6°F (13.1°C) and 72.9°F (22.7°C). November weather is marked by a drop in the average high-temperature, falling from a warm 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 an average temperature varying between 61.2°F (16.2°C) and 47.1°F (8.4°C). December is the month when Poston experiences its coldest temperatures, averaging a high of 61.2°F (16.2°C) and a low of 47.1°F (8.4°C). Weather in December »
Updated: Jun 27, 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
What are the most humid months?
The months with the highest humidity are January and December, with an average relative humidity of 39%.
How many days does it rain?
Throughout the year, there are 39.4 rainfall days, and 3.9" (99mm) of precipitation is accumulated.
What is the driest month?
The months with the least rainfall are May and June Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.
What is the least humid month?
June is the least humid month, with an average relative humidity of 15%.
When are the longest days?
With an average of 14h and 24min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 12.1h of sunshine.
What part of the year is the hottest?
In Poston, Arizona, temperatures reach their average annual highs in July, measuring 104.2°F (40.1°C) and a minimum average of 84.4°F (29.1°C).
What is the rainiest month?
The month with the most rainfall is July, when the rain falls for 7.8 days and typically aggregates up to 0.59" (15mm) of precipitation.
When is the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 9.
What is the coldest time of year?
The coldest period tends to be December, when average temperatures fluctuate between a high of 61.2°F (16.2°C) and a low of 47.1°F (8.4°C).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 54min of daylight.
Is there Daylight Saving Time (DST)?
Poston, Arizona, 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 in Poston, with an average of 7h of sunshine.
What is the month with the lowest UV index?
With an average maximum UV index of 3, December is the month with the lowest UV index.
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).
Average pressure
Poston, AZ
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
29.95"Hg - Average pressure in April:
29.86"Hg - Average pressure in May:
29.8"Hg - Average pressure in June:
29.74"Hg
- Average pressure in July:
29.8"Hg - Average pressure in August:
29.79"Hg - Average pressure in September:
29.81"Hg - Average pressure in October:
29.88"Hg - Average pressure in November:
30"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed
Poston, AZ
- Average wind speed in January:
6mph - Average wind speed in February:
6.5mph - Average wind speed in March:
7.2mph - Average wind speed in April:
8.5mph - Average wind speed in May:
8.4mph - Average wind speed in June:
8.2mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
7.4mph - Average wind speed in September:
6.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
5.8mph - Average wind speed in December:
6mph
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).
Average humidity
Poston, AZ
The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).
Average rainfall
Poston, AZ
- Average rainfall in January:
0.31" - Average rainfall in February:
0.35" - Average rainfall in March:
0.35" - Average rainfall in April:
0.12" - Average rainfall in May:
0.04" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.59" - Average rainfall in August:
0.55" - Average rainfall in September:
0.43" - Average rainfall in October:
0.39" - Average rainfall in November:
0.35" - Average rainfall in December:
0.35"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days
Poston, AZ
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
2.8 days - Average rainfall days in April:
2.6 days - Average rainfall days in May:
1.2 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
6 days - Average rainfall days in September:
4.8 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
1.5 days - Average rainfall days in December:
3.6 days
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).
Average daylight / Average sunshine
Poston, AZ
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
7h and 4min - Average sunshine in February:
9h and 2min - Average sunshine in March:
9h and 2min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 5min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 1min - Average sunshine in September:
9h and 5min - Average sunshine in October:
8h and 4min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days
Poston, AZ
- Average sunshine days in January:
28.2 days - Average sunshine days in February:
25.3 days - Average sunshine days in March:
28.5 days - Average sunshine days in April:
27.6 days - Average sunshine days in May:
29.3 days - Average sunshine days in June:
28.2 days
- Average sunshine days in July:
20.2 days - Average sunshine days in August:
20.8 days - Average sunshine days in September:
23 days - Average sunshine days in October:
26.8 days - Average sunshine days in November:
28.2 days - Average sunshine days in December:
26.8 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).
Average UV index
Poston, AZ
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Poston, AZ
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility
Poston, 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).
Poston, Arizona, USA
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