June weather forecastSan Luis, AZ
June
Weather in June
June in San Luis, Arizona endures the highest temperatures of the year, peaking at a sweltering 102.7°F (39.3°C) - the beginning of a particularly hot, arid period. With increasing heat, the town depicts a typical desert-like climate that often gets mistaken for being inhabitable. However, reduced relative humidity coupled with a decreased cloud percentage helps keep the environment dry, thus mitigating the impact of the excruciating sun temperatures. Longer day lengths offer extended hours of daylight, while a high UV index calls for necessary sun protection measures. June's exceptional climatic conditions make it the warmest month for San Luis.Temperature
In San Luis, the onset of June comes with an increased average high-temperature, moving from May's tropical 92.8°F (33.8°C) to a torrid 102.7°F (39.3°C). June, marked by an average low-temperature of 77°F (25°C), indicates a large temperature drop from the daytime peak.Humidity
The least humid month is June, with an average relative humidity of 23%.Rainfall
Months with rainfall are January through April, June through December. June is the first month it rains in San Luis. Throughout June, in the average 0.8 rainfall days, it receives 0.04" (1mm) of precipitation. Throughout the year, there are 25 rainfall days, and 2.24" (57mm) of precipitation is accumulated.Daylight
The month with the longest days is June, with an average of 14h and 18min of daylight.On the first day of the month, sunrise is at 5:32 am and sunset at 7:41 pm. On the last day of June, sunrise is at 5:35 am and sunset at 7:50 pm MST.
Sunshine
June and July, with an average of 12.1h of sunshine, are months with the most sunshine.UV index
June through September, with an average maximum UV index of 8, are months with the highest UV index. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 8 in June, converts into the following recommendations:
Being unprotected puts skin and eyes at risk of rapid damage. Always be safe. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
San Luis, AZ
- Average high temperature in June: 102.7°F
The warmest month (with the highest average high temperature) is July (106.2°F).
The month with the lowest average high temperature is December (67.1°F).
- Average low temperature in June: 77°F
The month with the highest average low temperature is August (86.2°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).
Average pressure in June
San Luis, AZ
- Average pressure in June: 29.75"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).
Average wind speed in June
San Luis, AZ
- Average wind speed in June: 7.8mph
The windiest month (with the highest average wind speed) is July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.7mph).
Average humidity in June
San Luis, AZ
- Average humidity in June: 23%
The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (23%).
Average rainfall in June
San Luis, AZ
- Average rainfall in June: 0.04"
The wettest month (with the highest rainfall) is July (0.39").
The driest month (with the least rainfall) is May (0").
Average rainfall days in June
San Luis, AZ
- Average rainfall days in June: 0.8 days
The month with the highest number of rainy days is July (5.1 days).
The month with the least rainy days is May (0.3 days).
Average daylight in June /
Average sunshine in June
San Luis, AZ
- Average daylight in June: 14h and 18min
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 6min).
- Average sunshine in June: 12h and 6min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in June
San Luis, AZ
- Average sunshine days in June: 29.3 days
The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is July (24.3 days).
Average UV index in June
San Luis, AZ
- Average UV index in June: 8
The months with the highest UV index are June, July, August and September (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in June
San Luis, AZ
- Average cloud cover in June: 5
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in June
San Luis, AZ
- Average visibility in June: 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).
