June weather forecastSurprise, AZ
June
Weather in June
June brings the heatwave to the city of Surprise, marking the onset of summer with temperatures peaking at around 100.4°F (38°C). The city basks under an abundant sunshine. With low chances of rain, residents anticipate the occasional summer storm to provide a respite from the high heat intensity. Bright blue skies and scorching heat become the signature elements of June's weather.Temperature
The transition from May to June brings a temperature rise, with average high-temperatures increasing from a hot 89.2°F (31.8°C) to a fiery hot 100.4°F (38°C). In the face of high daytime temperatures, Surprise witnesses a consistent average nighttime low of 74.1°F (23.4°C) during June.Humidity
With an average relative humidity of 17%, June is the least humid month in Surprise.Rainfall
June is the month with the least rainfall in Surprise, Arizona. Rain falls for 1.2 days and accumulates 0.12" (3mm) of precipitation.Daylight
The month with the longest days is June, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 5:19 am and sunset at 7:35 pm. On the last day of June, sunrise is at 5:22 am and sunset at 7:43 pm MST.
Sunshine
With an average of 12.2h of sunshine, June has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 8, are months with the highest UV index in Surprise, Arizona. A UV Index estimate of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 8 during June leads to these instructions:
Protection should always be a priority. Skin and eyes are vulnerable without it. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Surprise, AZ
- Average high temperature in June: 100.4°F
The warmest month (with the highest average high temperature) is July (101.7°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in June: 74.1°F
The month with the highest average low temperature is August (83.1°F).
The coldest months (with the lowest average low temperature) are January and December (46°F).
Average pressure in June
Surprise, AZ
- Average pressure in June: 29.8"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in June
Surprise, AZ
- Average wind speed in June: 6.2mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in June
Surprise, AZ
- Average humidity in June: 17%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in June
Surprise, AZ
- Average rainfall in June: 0.12"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in June
Surprise, AZ
- Average rainfall days in June: 1.2 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is June (1.2 days).
Average daylight in June /
Average sunshine in June
Surprise, AZ
- Average daylight in June: 14h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in June: 12h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in June
Surprise, AZ
- Average sunshine days in June: 27.4 days
The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in June
Surprise, AZ
- Average UV index in June: 8
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in June
Surprise, AZ
- Average cloud cover in June: 5
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in June
Surprise, 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).





