May weather forecastTacna, AZ
May
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).Temperature
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). A pronounced dip becomes evident during the nights in May as Tacna logs a consistent average temperature of 67.8°F (19.9°C).Humidity
In Tacna, the average relative humidity in May is 23%.Rainfall
May is the month with the least rainfall in Tacna. Rain falls for 0.9 days and accumulates 0.04" (1mm) of precipitation.Daylight
In Tacna, the average length of the day in May is 13h and 51min.On the first day of the month, sunrise is at 5:47 am and sunset at 7:17 pm. On the last day of May, sunrise is at 5:28 am and sunset at 7:38 pm MST.
Sunshine
In May, the average sunshine in Tacna is 12h.UV index
The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 7 during May leads to these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tacna, AZ
- Average high temperature in May: 91°F
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).
- Average low temperature in May: 67.8°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 in May
Tacna, AZ
- Average pressure in May: 29.79"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 in May
Tacna, AZ
- Average wind speed in May: 8mph
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 in May
Tacna, AZ
- Average humidity in May: 23%
The month with the highest relative humidity is December (39%).
The month with the lowest relative humidity is June (21%).
Average rainfall in May
Tacna, AZ
- Average rainfall in May: 0.04"
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 in May
Tacna, AZ
- Average rainfall days in May: 0.9 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 in May /
Average sunshine in May
Tacna, AZ
- Average daylight in May: 13h and 54min
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 May: 12h and 0min
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 in May
Tacna, AZ
- Average sunshine days in May: 29.7 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 in May
Tacna, AZ
- Average UV index in May: 7
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 in May
Tacna, AZ
- Average cloud cover in May: 7
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 in May
Tacna, AZ
- Average visibility in May: 6mi
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).
