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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 Swansea, 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). Swansea records an average high-temperature of a still refreshing 63.1°F (17.3°C) in January, maintaining a close correlation with 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 Swansea, Arizona, with an average temperature ranging between min 50.4°F (10.2°C) and max 67.1°F (19.5°C). The introduction of February sees an average high-temperature of a still refreshing 67.1°F (19.5°C), hardly deviating from January. Weather in February »
Weather in March
March, the first month of the spring in Swansea, is a moderately hot month, with an average temperature fluctuating between 57.2°F (14°C) and 75.4°F (24.1°C). The start of March brings a subtle rise in the average high-temperature, moving from a refreshing 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, like March, in Swansea, Arizona, is a moderately hot spring month, with an average temperature fluctuating between 62.2°F (16.8°C) and 82.8°F (28.2°C). April's arrival coincides with a marginal rise in the average high-temperature, moving from March's 75.4°F (24.1°C) to a still warm 82.8°F (28.2°C). Weather in April »
Weather in May
May, the last month of the spring in Swansea, is a hot month, with an average temperature fluctuating between 68.4°F (20.2°C) and 90.1°F (32.3°C). The onset of May brings a minor temperature shift, with the average high-temperature moving from a warm 82.8°F (28.2°C) in April to a hot 90.1°F (32.3°C). Weather in May »
Weather in June
June, the first month of the summer in Swansea, is a torrid month, with an average temperature varying between 101.7°F (38.7°C) and 76.6°F (24.8°C). June's arrival sees a rise in the average high-temperature, jumping from May's tropical 90.1°F (32.3°C) to a very hot 101.7°F (38.7°C). Weather in June »
Weather in July
July in Swansea, Arizona, is a scorching summer month, with an average temperature varying between 84.4°F (29.1°C) and 104.2°F (40.1°C). July, recognised by an average high temperature of 104.2°F (40.1°C) and a low of 84.4°F (29.1°C), is Swansea's warmest month. In Swansea, the average relative humidity in July is 24%. Weather in July »
Weather in August
August, the last month of the summer in Swansea, is another torrid month, with an average temperature fluctuating between 103.6°F (39.8°C) and 85.6°F (29.8°C). Swansea's weather, upon August's arrival, documents an average high-temperature of a sweltering 103.6°F (39.8°C), nearly identical to the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Swansea, is also a fiery hot month, with an average temperature fluctuating between 96.8°F (36°C) and 79.9°F (26.6°C). The arrival of September corresponds with a light shift in temperature, down from a sweltering 103.6°F (39.8°C) in August to a still fiery hot 96.8°F (36°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Swansea, Arizona, with an average temperature ranging between min 68°F (20°C) and max 84.9°F (29.4°C). Swansea in October experiences a subtle temperature decline, with average high-temperatures reducing from a torrid 96.8°F (36°C) in September to a moderately hot 84.9°F (29.4°C). Weather in October »
Weather in November
November, the last month of the autumn in Swansea, is also an agreeable month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 72.9°F (22.7°C). Start of November brings a shift in the average high-temperature, falling from October's warm 84.9°F (29.4°C) to a pleasant 72.9°F (22.7°C). Weather in November »
Weather in December
December, the first month of the winter in Swansea, is still a refreshing month, with an average temperature varying between 47.1°F (8.4°C) and 61.2°F (16.2°C). The coldest temperatures occur during December, when averages reach a peak of 61.2°F (16.2°C) and a low of 47.1°F (8.4°C). Weather in December »
Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
The months with the highest humidity are January and December, with an average relative humidity of 39%.
How many days does it rain in Swansea?
Throughout the year, in Swansea, 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?
The least humid month in Swansea is June, 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?
With an average of 12.1h of sunshine, June has the most sunshine of the year.
What is the hottest time of year?
The average temperatures reach their apex in July, averaging 104.2°F (40.1°C) at the high end and 84.4°F (29.1°C) at the low end.
What is the rainiest month?
July is the month with the most rainfall. Rain falls for 7.8 days and accumulates 0.59" (15mm) of precipitation.
What is the month with the highest UV index?
With an average maximum UV index of 9, July is the month with the highest UV index.
What is the coldest time of year?
December is the coldest month, with the temperature often reaching an average high of 61.2°F (16.2°C) and an average low of 47.1°F (8.4°C).
What is the month with the shortest days?
With an average of 9h and 54min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST)?
Swansea does not observe Daylight Saving Time (DST). MST timezone is used throughout the entire year.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 7h of sunshine.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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:
14h and 0min - 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
Swansea, 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
Swansea, 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
Swansea, 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
Swansea, 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).
Swansea, Arizona, USA
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