April weather forecastSurprise, AZ
April
Weather in April
April carries forward the delight of March, yet it brings warmer days. The temperatures set the stage for the forthcoming summer months. Residents embrace the soothing warmth with an average high of 81.3°F (27.4°C). April witnesses less rainfall and a significant increase in sunshine hours. The city dances in the light of spring, preparing for the heat of summer.Temperature
Observing a minor shift, the average high-temperature during April adjusts from March's 74.7°F (23.7°C) to a still warm 81.3°F (27.4°C). Marked by a significant temperature drop from daytime highs, the average nighttime temperature lowers to a refreshing 59.4°F (15.2°C) throughout April.Humidity
The average relative humidity in April is 22%.Rainfall
In April, in Surprise, the rain falls for 2.9 days. Throughout April, 0.16" (4mm) of precipitation is accumulated. In Surprise, Arizona, during the entire year, the rain falls for 60.7 days and collects up to 8.62" (219mm) of precipitation.Daylight
In April, the average length of the day in Surprise is 13h and 3min.On the first day of April in Surprise, Arizona, sunrise is at 6:15 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 7:12 pm MST.
Sunshine
The average sunshine in April in Surprise is 10.8h.UV index
In Surprise, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 6 suggests these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full 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 April
Surprise, AZ
- Average high temperature in April: 81.3°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 April: 59.4°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 April
Surprise, 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 (29.8"Hg).
Average wind speed in April
Surprise, AZ
- Average wind speed in April: 6.7mph
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 April
Surprise, AZ
- Average humidity in April: 22%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in April
Surprise, AZ
- Average rainfall in April: 0.16"
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 April
Surprise, AZ
- Average rainfall days in April: 2.9 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 April /
Average sunshine in April
Surprise, AZ
- Average daylight in April: 13h and 0min
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 April: 10h and 48min
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 April
Surprise, AZ
- Average sunshine days in April: 27.5 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 April
Surprise, AZ
- Average UV index in April: 6
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 April
Surprise, AZ
- Average cloud cover in April: 11
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 April
Surprise, 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).





