Climate and monthly weather forecastTacna, AZ
Climate and monthly weather forecast
Weather in January
January, the same as December, is another enjoyable winter month in Tacna, Arizona, with an average temperature fluctuating between 66.7°F (19.3°C) and 49.8°F (9.9°C). Tacna observes an average high-temperature of a still refreshing 66.7°F (19.3°C) in January, barely different from 64.9°F (18.3°C) in December. Weather in January »Weather in February
The last month of the winter, February, is a pleasant month in Tacna, Arizona, with temperature in the range of an average high of 70°F (21.1°C) and an average low of 52.3°F (11.3°C). Tacna measures an average high-temperature of an agreeable 70°F (21.1°C) in February, nearly consistent with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a moderately hot month in Tacna, Arizona, with an average temperature varying between 77.5°F (25.3°C) and 58.3°F (14.6°C). As Tacna transitions into March, a marginal rise in the average high-temperature is observed, moving from a pleasant 70°F (21.1°C) in February to a moderately hot 77.5°F (25.3°C). Weather in March »Weather in April
April, the same as March, is another warm spring month in Tacna, Arizona, with an average temperature varying between 62.2°F (16.8°C) and 84°F (28.9°C). The arrival of April introduces a minor uplift in high-temperatures, adjusting from 77.5°F (25.3°C) in March to a still warm 84°F (28.9°C). Weather in April »Weather in May
May, the last month of the spring in Tacna, is a hot month, with an average temperature varying between 67.8°F (19.9°C) and 91°F (32.8°C). The shift into May is marked by a modest rise in the average high-temperature, moving from April's moderately hot 84°F (28.9°C) to a hot 91°F (32.8°C). Weather in May »Weather in June
June, the first month of the summer in Tacna, is a very hot month, with an average temperature varying between 76.3°F (24.6°C) and 101.3°F (38.5°C). The start of June brings a rise in the average high-temperature, moving from a hot 91°F (32.8°C) in May to a torrid 101.3°F (38.5°C). Weather in June »Weather in July
July, the same as June, is another sweltering summer month in Tacna, Arizona, with temperature in the range of an average high of 103.8°F (39.9°C) and an average low of 83.8°F (28.8°C). July, on average, is the warmest month, registering a high temperature of 103.8°F (39.9°C) and a low of 83.8°F (28.8°C). Weather in July »Weather in August
The last month of the summer, August, is also a fiery hot month in Tacna, Arizona, with an average temperature varying between 85.6°F (29.8°C) and 103.6°F (39.8°C). As Tacna transitions into August, the average high-temperature stands at a still fiery hot 103.6°F (39.8°C), offering little variation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Tacna, is also a sweltering month, with temperature in the range of an average low of 80.4°F (26.9°C) and an average high of 97.9°F (36.6°C). During the shift to September, Tacna records a mild decrease in average high-temperature, moving from a torrid 103.6°F (39.8°C) in August to a still sweltering 97.9°F (36.6°C). Weather in September »Weather in October
October, like September, is another hot autumn month in Tacna, Arizona, with temperature in the range of an average low of 69.1°F (20.6°C) and an average high of 86.9°F (30.5°C). A decrease in the average high-temperature is observed during October, shifting from a fiery hot 97.9°F (36.6°C) in September to a hot 86.9°F (30.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Tacna, Arizona, with an average temperature fluctuating between 75.4°F (24.1°C) and 57.6°F (14.2°C). November's onset brings a slight change in high-temperatures, falling from a hot 86.9°F (30.5°C) in October to a moderately hot 75.4°F (24.1°C). Weather in November »Weather in December
December, the first month of the winter in Tacna, is still a refreshing month, with an average temperature ranging between min 49.8°F (9.9°C) and max 64.9°F (18.3°C). The coldest temperatures occur during December, when averages reach a peak of 64.9°F (18.3°C) and a low of 49.8°F (9.9°C). Weather in December »Updated: Feb 9, 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
In Tacna, during the entire year, the rain falls for 38.1 days and collects up to 3.9" (99mm) of precipitation.
May is the month with the least rainfall in Tacna, Arizona. Rain falls for 0.9 days and accumulates 0.04" (1mm) of precipitation.
June is the least humid month in Tacna, Arizona, with an average relative humidity of 21%.
The month with the longest days in Tacna is June, with an average of 14h and 18min of daylight.
June has the most sunshine of the year in Tacna, with an average of 12.2h of sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 8.
July stands out as Tacna's warmest month, with an average high-temperature of 103.8°F (39.9°C) and a low-temperature of 83.8°F (28.8°C).
The month with the most rainfall is July, when the rain falls for 7.6 days and typically aggregates up to 0.71" (18mm) of precipitation.
The months with the lowest UV index are November and December, with an average maximum UV index of 4.
December is the month when Tacna experiences its coldest temperatures, averaging a high of 64.9°F (18.3°C) and a low of 49.8°F (9.9°C).
The most humid month in Tacna, Arizona, is December, with an average relative humidity of 39%.
With an average of 10h and 0min of daylight, December has the shortest days of the year in Tacna.
Tacna does not utilize Daylight Saving Time (DST). MST timezone is used over the entire year.
December has the least sunshine of the year in Tacna, with an average of 7.1h of sunshine.
Average temperature
Tacna, AZ
The warmest month (with the highest average high temperature) is July (103.8°F).
The month with the lowest average high temperature is December (64.9°F).
The month with the highest average low temperature is August (85.6°F).
The coldest months (with the lowest average low temperature) are January and December (49.8°F).
Average pressure
Tacna, AZ
- Average pressure in January:
30.06"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
29.94"Hg - Average pressure in April:
29.85"Hg - Average pressure in May:
29.79"Hg - Average pressure in June:
29.73"Hg
- Average pressure in July:
29.78"Hg - Average pressure in August:
29.77"Hg - Average pressure in September:
29.78"Hg - Average pressure in October:
29.85"Hg - Average pressure in November:
29.97"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.73"Hg).
Average wind speed
Tacna, AZ
- Average wind speed in January:
6.1mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.9mph - Average wind speed in April:
8.1mph - Average wind speed in May:
8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
8.4mph - Average wind speed in August:
7.7mph - Average wind speed in September:
6.7mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6mph - Average wind speed in December:
6mph
The windiest month (with the highest average wind speed) is July (8.4mph).
The calmest months (with the lowest average wind speed) are November and December (6mph).
Average humidity
Tacna, AZ
The month with the highest relative humidity is December (39%).
The month with the lowest relative humidity is June (21%).
Average rainfall
Tacna, AZ
- Average rainfall in January:
0.28" - Average rainfall in February:
0.31" - Average rainfall in March:
0.51" - Average rainfall in April:
0.12" - Average rainfall in May:
0.04" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.71" - Average rainfall in August:
0.47" - Average rainfall in September:
0.63" - Average rainfall in October:
0.31" - Average rainfall in November:
0.16" - Average rainfall in December:
0.28"
The wettest month (with the highest rainfall) is July (0.71").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days
Tacna, AZ
- Average rainfall days in January:
2.6 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
2.1 days - Average rainfall days in April:
2.4 days - Average rainfall days in May:
0.9 days - Average rainfall days in June:
1.4 days
- Average rainfall days in July:
7.6 days - Average rainfall days in August:
5.4 days - Average rainfall days in September:
5.6 days - Average rainfall days in October:
2.2 days - Average rainfall days in November:
1.7 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is July (7.6 days).
The month with the least rainy days is May (0.9 days).
Average daylight / Average sunshine
Tacna, AZ
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 18min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
7h and 54min - Average sunshine in February:
9h and 24min - Average sunshine in March:
9h and 24min - Average sunshine in April:
10h and 18min - Average sunshine in May:
12h and 0min - Average sunshine in June:
12h and 12min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
11h and 0min - Average sunshine in September:
9h and 48min - Average sunshine in October:
8h and 48min - Average sunshine in November:
7h and 24min - Average sunshine in December:
7h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days
Tacna, AZ
- Average sunshine days in January:
27.8 days - Average sunshine days in February:
25 days - Average sunshine days in March:
28.9 days - Average sunshine days in April:
27.9 days - Average sunshine days in May:
29.7 days - Average sunshine days in June:
28.3 days
- Average sunshine days in July:
19.8 days - Average sunshine days in August:
21.9 days - Average sunshine days in September:
22.3 days - Average sunshine days in October:
27.5 days - Average sunshine days in November:
28.1 days - Average sunshine days in December:
27.4 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.8 days).
Average UV index
Tacna, AZ
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are November and December (UV index 4).
Average cloud cover
Tacna, AZ
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility
Tacna, 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).
