April weather forecastTempe, AZ
April
Weather in April
As spring gets into full swing in April, Tempe sees further increases in temperature and sunlight. The amount of rainfall sees a significant decrease to just 0.16" (4mm), marking this month as the onset of the dry period. Expansive, clear blue skies dominate, with only 12% cloud cover, enhancing visibility across the city. Even with an increased UV index, the reduced relative humidity ensures comfortable weather. Outdoor adventures and explorations are recommended, with temperatures reaching up to 82.6°F (28.1°C).Temperature
Tempe, Arizona, perceives a slight temperature ascent during April, with average high-temperatures adjusting from a moderately hot 75.7°F (24.3°C) in March to a still warm 82.6°F (28.1°C). Tempe's average low-temperature of 60.6°F (15.9°C) in April reflects a considerable decline from the daytime peak.Humidity
The average relative humidity in April in Tempe is 21%.Rainfall
In Tempe, during April, the rain falls for 2.9 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, there are 57.7 rainfall days, and 7.72" (196mm) of precipitation is accumulated.Daylight
In April, the average length of the day in Tempe is 13h and 2min.On the first day of April in Tempe, sunrise is at 6:14 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:10 pm MST.
Sunshine
The average sunshine in April is 10.8h.UV index
In Tempe, Arizona, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during April translates into these guidelines:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Tempe, AZ
- Average high temperature in April: 82.6°F
The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in April: 60.6°F
The month with the highest average low temperature is August (84.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in April
Tempe, AZ
- Average pressure in April: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in April
Tempe, AZ
- Average wind speed in April: 6.3mph
The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in April
Tempe, AZ
- Average humidity in April: 21%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (16%).
Average rainfall in April
Tempe, AZ
- Average rainfall in April: 0.16"
The wettest month (with the highest rainfall) is July (1.14").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in April
Tempe, AZ
- Average rainfall days in April: 2.9 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is June (1 days).
Average daylight in April /
Average sunshine in April
Tempe, AZ
- Average daylight in April: 13h 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 April: 10h and 48min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in April
Tempe, AZ
- Average sunshine days in April: 27.8 days
The month with the most sunshine days is May (28.7 days).
The month with the least sunshine days is July (16.8 days).
Average UV index in April
Tempe, AZ
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Tempe, AZ
- Average cloud cover in April: 12
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in April
Tempe, AZ
- Average visibility in April: 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).
