April weather forecast and climate
Surprise, AZ

Weather in April

April, the same as March, is a moderately hot spring month in Surprise, Arizona, with temperature in the range of an average low of 59.4°F (15.2°C) and an average high of 81.3°F (27.4°C).

Temperature

In Surprise, the average high-temperature slightly increases, from a moderately hot 74.7°F (23.7°C) in March, to a still warm 81.3°F (27.4°C). In April, in Surprise, the average low-temperature is 59.4°F (15.2°C).

Humidity

In April, the average relative humidity 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, 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 13.1h.

Sunshine

The average sunshine in April is 10.8h.

UV index

In April, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 6 in April interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in April in Surprise?

In Surprise, the average relative humidity in April is 22%.

How many days does it rain in April in Surprise?

In Surprise, Arizona, in April, during 2.9 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

How many hours of daylight does Surprise have in April?

In Surprise, the average length of the day in April is 13.1h.

How many hours of sunshine does Surprise have in April?

In April, the average sunshine in Surprise, Arizona, is 10.8h.

What is the UV index reading in April in Surprise?

The average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in April
Surprise, AZ

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).

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Average pressure in April
Surprise, AZ

Average pressure in April - Surprise, AZ
  • Average pressure in April: 29.88"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.8").

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Average wind speed in April
Surprise, AZ

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).

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Average humidity in April
Surprise, AZ

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%).

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Average rainfall in April
Surprise, AZ

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").

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Average rainfall days in April
Surprise, AZ

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).

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Average daylight in April /
Average sunshine in April
Surprise, AZ

Average daylight in April / Average sunshine in April - Surprise, AZ
  • Average daylight in April: 13.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in April: 10.8h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in April
Surprise, AZ

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).

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Average UV index in April
Surprise, AZ

Average UV index in April - Surprise, AZ
  • Average UV index in April: 6

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).

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Average cloud cover in April
Surprise, AZ

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).

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Average visibility in April
Surprise, AZ

Average visibility in April - Surprise, AZ
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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