April weather forecast
Round Rock, AZ

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Weather in April

April in Round Rock, Arizona, is a comfortable spring month, with an average temperature fluctuating between 42.3°F (5.7°C) and 62.2°F (16.8°C).

Temperature

April brings a slight rise in Round Rock's average high-temperature, moving from a cool 54.9°F (12.7°C) in March to an enjoyable 62.2°F (16.8°C). Round Rock's April nights cool down to an average low-temperature of 42.3°F (5.7°C).

Humidity

In April, the average relative humidity is 30%.

Rainfall

In Round Rock, during April, the rain falls for 6 days and regularly aggregates up to 0.28" (7mm) of precipitation. In Round Rock, during the entire year, the rain falls for 75.5 days and collects up to 7.91" (201mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Round Rock, in April, snow falls for 0.4 days, with typically accumulated 0.12" (3mm) of snow. Throughout the year, in Round Rock, there are 20.3 snowfall days, and 12.52" (318mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 9min.
On the first day of April, sunrise is at 7:02 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 8:05 pm MDT.

Sunshine

The average sunshine in April in Round Rock is 10.9h.

UV index

The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What are April temperatures in Round Rock?

In Round Rock, 62.2°F (16.8°C) is the average high-temperature and 42.3°F (5.7°C) is the average low-temperature during April.

What is the average humidity in April in Round Rock?

In Round Rock, Arizona, the average relative humidity in April is 30%.

How many days does it rain in April in Round Rock?

In Round Rock, Arizona, in April, it is raining for 6 days, with typically 0.28" (7mm) of accumulated precipitation.

How many days does it snow in April in Round Rock?

In April, in Round Rock, it is snowing for 0.4 days. Throughout April, 0.12" (3mm) of snow is accumulated.

What is the average length of the day in April in Round Rock?

In Round Rock, Arizona, the average day length in April is 13h and 9min.

What time are sunrise and sunset in April in Round Rock?

In April, on the first day of the month, sunrise is at 7:02 am and sunset at 7:40 pm. On the last day of the month, in Round Rock, Arizona, sunrise is at 6:24 am and sunset at 8:05 pm MDT.

How many hours of sunshine does Round Rock have in April?

The average sunshine duration in April is 10.9h.

What is the UV index reading in April in Round Rock?

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Round Rock, AZ

Average temperature in April - Round Rock, AZ
  • Average high temperature in April: 62.2°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in April: 42.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in April
Round Rock, AZ

Average pressure in April - Round Rock, AZ
  • Average pressure in April: 29.88"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in April
Round Rock, AZ

Average wind speed in April - Round Rock, AZ
  • Average wind speed in April: 10.6mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

Average humidity in April
Round Rock, AZ

Average humidity in April - Round Rock, AZ
  • Average humidity in April: 30%

The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is June (19%).

Average rainfall in April
Round Rock, AZ

Average rainfall in April - Round Rock, AZ
  • Average rainfall in April: 0.28"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is June (0.2").

Average rainfall days in April
Round Rock, AZ

Average rainfall days in April - Round Rock, AZ
  • Average rainfall days in April: 6 days

The month with the highest number of rainy days is July (13.7 days).
The months with the least rainy days are February and June (3.3 days).

Average snowfall in April
Round Rock, AZ

Average snowfall in April - Round Rock, AZ
  • Average snowfall in April: 0.12"

The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Round Rock, AZ

Average snowfall days in April - Round Rock, AZ
  • Average snowfall days in April: 0.4 days

The months with the highest number of snowfall days are January and December (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Round Rock, AZ

Average daylight in April / Average sunshine in April - Round Rock, AZ
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in April: 10h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).

Average sunshine days in April
Round Rock, AZ

Average sunshine days in April - Round Rock, AZ
  • Average sunshine days in April: 22.3 days

The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is July (13.2 days).

Average UV index in April
Round Rock, AZ

Average UV index in April - Round Rock, AZ
  • Average UV index in April: 4

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in April
Round Rock, AZ

Average cloud cover in April - Round Rock, AZ
  • Average cloud cover in April: 18

The months with the most cloud cover are January and December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 9).

Average visibility in April
Round Rock, AZ

Average visibility in April - Round Rock, 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).

Round Rock, Arizona, USA

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