April weather forecast
Tucson, AZ

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Sunset in downtown Tucson, Arizona with a skyline and a sentinel peak in the distance
Sunset in downtown Tucson, Arizona with a skyline and a sentinel peak in the distance

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 April sets, the average high-temperature shows a slight increase, moving up from a pleasant 71.8°F (22.1°C) in March to a warm 78.3°F (25.7°C). Tucson, amid April nights, sees a noteworthy disparity from daily highs with an average temperature of 54.7°F (12.6°C).

Humidity

The average relative humidity in April in Tucson is 23%.

Rainfall

In Tucson, in April, during 2.6 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, there are 66.1 rainfall days, and 7.95" (202mm) of precipitation is accumulated.

Snowfall

In Tucson, snow does not fall in February through December.

Daylight

The average length of the day in April 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 Tucson, sunrise is at 5:37 am and sunset at 7:04 pm MST.

Sunshine

The average sunshine in April in Tucson is 11h.

UV index

The average daily maximum UV index in April in Tucson is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 6 during April, leads to the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the average April temperature in Tucson?

The high-temperature in Tucson, Arizona, during April is 78.3°F (25.7°C) and the low-temperature is 54.7°F (12.6°C).

What is the average humidity in April in Tucson?

In Tucson, the average relative humidity in April is 23%.

How many days does it rain in April in Tucson?

In Tucson, Arizona, during April, the rain falls for 2.6 days and regularly aggregates up to 0.16" (4mm) of precipitation.

When it does not snow in Tucson?

February through December are months without snowfall in Tucson, Arizona.

What is the average length of the day in April in Tucson?

The average day length in April in Tucson is 13h and 0min.

When is the sunrise / sunset in April in Tucson?

In April, on the first day of the month, 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.

How long on average sun shines in April in Tucson?

The average sunshine duration in April in Tucson, Arizona, is 11h.

What is the UV index reading in April in Tucson?

In April, the average daily maximum UV index in Tucson, Arizona, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Tucson, AZ

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).

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Average pressure in April
Tucson, AZ

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).

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Average wind speed in April
Tucson, AZ

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).

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Average humidity in April
Tucson, AZ

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%).

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Average rainfall in April
Tucson, AZ

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").

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Average rainfall days in April
Tucson, AZ

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).

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Average snowfall in April
Tucson, AZ

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").

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Average snowfall days in April
Tucson, AZ

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).

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

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).

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Average sunshine days in April
Tucson, AZ

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).

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Average UV index in April
Tucson, AZ

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).

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Average cloud cover in April
Tucson, AZ

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).

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Average visibility in April
Tucson, AZ

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).

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Tucson, Arizona, USA

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