April weather forecast and climate
Riviera, AZ

Weather in April

April in Riviera, Arizona, is a warm spring month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 58.3°F (14.6°C).

Temperature

In April, the average high-temperature slightly increases, from an agreeable 70.3°F (21.3°C) in March, to a moderately hot 77.9°F (25.5°C). In April, the average low-temperature is 58.3°F (14.6°C).

Humidity

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

Rainfall

In April, in Riviera, the rain falls for 3.2 days. Throughout April, 0.12" (3mm) of precipitation is accumulated. In Riviera, during the entire year, the rain falls for 44 days and collects up to 4.21" (107mm) of precipitation.

Snowfall

January through November are months without snowfall.

Daylight

The average length of the day in April is 13.1h.

Sunshine

The average sunshine in April is 10.3h.

UV index

The average daily maximum UV index in Riviera, Arizona, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in April in Riviera?

The average high-temperature, in April, in Riviera, Arizona, is 77.9°F (25.5°C), while the average low-temperature is 58.3°F (14.6°C).

What is the average humidity in April in Riviera?

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

How many days does it rain in April in Riviera?

In Riviera, Arizona, in April, it is raining for 3.2 days, with typically 0.12" (3mm) of accumulated precipitation.

When it does not snow in Riviera?

In Riviera snow does not fall in January through November.

How many hours of daylight does Riviera have in April?

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

How many hours of sunshine does Riviera have in April?

The average sunshine in April in Riviera is 10.3h.

What is the UV index reading in April in Riviera?

The average daily maximum UV index in April in Riviera, Arizona, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in April
Riviera, AZ

Average temperature in April - Riviera, AZ
  • Average high temperature in April: 77.9°F

The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in April: 58.3°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).

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Average pressure in April
Riviera, AZ

Average pressure in April - Riviera, AZ
  • Average pressure in April: 29.86"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.76").

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Average wind speed in April
Riviera, AZ

Average wind speed in April - Riviera, AZ
  • Average wind speed in April: 10.1mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in April
Riviera, AZ

Average humidity in April - Riviera, AZ
  • Average humidity in April: 22%

The month with the highest relative humidity is January (42%).
The month with the lowest relative humidity is June (14%).

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Average rainfall in April
Riviera, AZ

Average rainfall in April - Riviera, AZ
  • Average rainfall in April: 0.12"

The wettest month (with the highest rainfall) is December (0.67").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in April
Riviera, AZ

Average rainfall days in April - Riviera, AZ
  • Average rainfall days in April: 3.2 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in April
Riviera, AZ

Average snowfall days in April - Riviera, AZ
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in April: 10.3h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in April
Riviera, AZ

Average sunshine days in April - Riviera, AZ
  • Average sunshine days in April: 26.9 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is July (20.3 days).

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Average UV index in April
Riviera, AZ

Average UV index in April - Riviera, 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
Riviera, AZ

Average cloud cover in April - Riviera, AZ
  • Average cloud cover in April: 13

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in April
Riviera, AZ

Average visibility in April - Riviera, 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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