Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the onset of April, the average high-temperature subtly transitions from a pleasant 73°F (22.8°C) in March to a moderately hot 80.2°F (26.8°C). Throughout the month of April, Rillito observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 56.3°F (13.5°C).Humidity
The average relative humidity in April in Rillito is 22%.Rainfall
The months with the least rainfall are April and May Rain falls for 2.7 days and accumulates 0.2" (5mm) of rain.Daylight
In April, the average length of the day in Rillito, Arizona, is 13h and 0min.On the first day of the month, sunrise is at 6:10 am and sunset at 6:43 pm. On the last day of April, in Rillito, sunrise is at 5:37 am and sunset at 7:04 pm MST.
Sunshine
In Rillito, the average sunshine in April is 10.9h.UV index
The average daily maximum UV index in April in Rillito is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 6 during April morphs into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Rillito?
What is the average humidity in April in Rillito?
What is the driest month in Rillito?
How many days does it rain in April in Rillito?
How many hours of daylight does Rillito have in April?
What time are sunrise and sunset in April in Rillito?
How many hours of sunshine does Rillito have in April?
How high is the UV index in April in Rillito?
Average temperature in April
Rillito, AZ
- Average high temperature in April: 80.2°F
The warmest month (with the highest average high temperature) is June (99°F).
The month with the lowest average high temperature is December (61.9°F).
- Average low temperature in April: 56.3°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (44.6°F).
Average pressure in April
Rillito, AZ
- Average pressure in April: 29.89"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in April
Rillito, AZ
- Average wind speed in April: 7.9mph
The windiest months (with the highest average wind speed) are April and May (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).
Average humidity in April
Rillito, AZ
- Average humidity in April: 22%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (18%).
Average rainfall in April
Rillito, AZ
- Average rainfall in April: 0.2"
The wettest month (with the highest rainfall) is August (1.77").
The driest months (with the least rainfall) are April and May (0.2").
Average rainfall days in April
Rillito, AZ
- Average rainfall days in April: 2.7 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is May (2.4 days).
Average daylight in April /
Average sunshine in April
Rillito, AZ
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in April: 10h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in April
Rillito, AZ
- Average sunshine days in April: 27.3 days
The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13 days).
Average UV index in April
Rillito, 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
Rillito, AZ
- Average cloud cover in April: 11
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in April
Rillito, 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).
Rillito, Arizona, USA
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