April weather forecastTucson, AZ

April
Weather in April
April sees Tucson shedding remnant traces of spring, readying itself for the hot summer months. The mercury continues its ascent from March, revealing clear, sun-filled days perfect for outdoor activities. Cooldowns at night offer a pleasant reprieve from the gradually rising daytime temperatures. The aridity of this month accentuates the stark contrast between April and the forthcoming humid May. The gradual decrease in atmospheric pressure from 29.89in making the air feel much lighter and drier.Temperature
As Tucson welcomes April, the average high-temperature displays a subtle shift, adjusting from an agreeable 71.8°F (22.1°C) in March to a warm 78.3°F (25.7°C). Tucson reports a considerable drop from daytime temperatures in April, recording an average nighttime figure of 54.7°F (12.6°C).Humidity
The average relative humidity in April is 23%.Rainfall
In Tucson, in April, it is raining for 2.6 days, with typically 0.16" (4mm) of accumulated precipitation. In Tucson, during the entire year, the rain falls for 66.1 days and collects up to 7.95" (202mm) of precipitation.Snowfall
In Tucson, snow does not fall in February through December.Daylight
In April, the average length of the day is 13h and 0min.On the first day of April, sunrise is at 6:10 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:04 pm MST.
Sunshine
In Tucson, the average sunshine in April is 11h.UV index
In April, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 during April leads to these advisories:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Tucson, AZ
- Average high temperature in April: 78.3°F
The warmest month (with the highest average high temperature) is June (96.6°F).
The month with the lowest average high temperature is December (60.8°F).
- Average low temperature in April: 54.7°F
The month with the highest average low temperature is July (77°F).
The coldest months (with the lowest average low temperature) are January and December (43°F).
Average pressure in April
Tucson, AZ
- Average pressure in April: 29.89"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in April
Tucson, AZ
- Average wind speed in April: 8.1mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Tucson, AZ
- Average humidity in April: 23%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (19%).
Average rainfall in April
Tucson, AZ
- Average rainfall in April: 0.16"
The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is May (0.08").
Average rainfall days in April
Tucson, AZ
- Average rainfall days in April: 2.6 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is May (1.3 days).
Average snowfall in April
Tucson, AZ
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Tucson, AZ
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Tucson, 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: 11h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in April
Tucson, AZ
- Average sunshine days in April: 27.5 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in April
Tucson, AZ
- Average UV index in April: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in April
Tucson, AZ
- Average cloud cover in April: 11
The month with the most cloud cover is December (Cloud cover 19).
The months with the least cloud cover are May and June (Cloud cover 7).
Average visibility in April
Tucson, 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).





