April Weather in Tucson, United States

Last updated: February 24, 2025

In April, Tucson, Arizona experiences a delightful range of temperatures, with highs reaching a scorching 37°C (98°F) and a comfortable average of 22°C (71°F). Nights can be pleasantly cool, dipping to a minimum of 6°C (43°F). This month boasts an astonishingly dry climate, with only 2 mm (0.1 in) of precipitation recorded over 0 days, allowing residents and visitors alike to bask in the sunshine with a humidity level of 55%. Overall, April brings the perfect backdrop for outdoor adventures in this vibrant desert city.

April Temperature in Tucson

In April, Tucson basks in a delightful transition from the brisk chill of winter to the warmth of spring. With minimum temperatures averaging around 6°C (43°F), days begin to bloom into life as the average climbs to a comfortable 22°C (71°F), offering a perfect backdrop for outdoor activities. The warmth peaks at a remarkable 37°C (98°F), hinting at the scorching summer that lies ahead. This month showcases not only an increase in temperature but also a vibrant landscape, as desert flora bursts into color. As Tucson emerges from its cooler months, April encourages both residents and visitors to relish the mild, sunny days before the heat intensifies in May.

April Weather in Tucson: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Tucson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525562717788888783736354
Data source: Temperature data for Tucson generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Tucson

In April, Tucson experiences a notable dip in precipitation, receiving a mere 2 mm (0.1 in) of rain, with not a single rainy day recorded. This stark contrast to earlier months highlights the transition into a drier season, reflecting the city’s arid climate. While January and February are relatively wetter, April's dryness sets the stage for the more substantial rainfall that arrives during the summer months, particularly in July when precipitation peaks at 54 mm (2.1 in) over about 10 days. This seasonal rhythm emphasizes the distinct patterns of Tucson's climate, where brief, intense bursts of rain punctuate otherwise dry periods, ultimately shaping the desert landscape.

April Precipitation Trends in Tucson

The chart displays monthly precipitation patterns in Tucson, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec233416238543527101427
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Tucson

In April, Tucson experiences a notable shift in humidity, dipping to 55%, marking a significant decrease from the wetter months of winter. This pattern sets the stage for the drier temperatures of late spring and summer, as the humidity continues to decline, reaching its lowest point of 33% by June. While April offers a welcome reprieve from the high humidity of previous months, it also foreshadows the arid conditions typical in the coming months. This gradual drop not only enhances the warm, sunny days but also prepares residents for the desert's characteristic dryness, making April a transitional month in Tucson's climate landscape.

April Average Humidity in Tucson

This chart illustrates the average monthly humidity levels in Tucson, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Tucson

As Tucson transitions into April, residents and visitors should be prepared for significant increases in sun intensity, with a UV Index soaring to 11, categorized as extreme. This marks a sharp rise from the very high levels seen in March, where the burn time dropped to just 15 minutes. By April, the time it takes to sustain harmful effects from sun exposure plummets even further to a mere 10 minutes. This trend underscores the importance of sun safety as summer approaches, with previous months setting the stage for April’s intensity and foreshadowing equally high UV levels in May and June. As the region heats up, it's crucial to take necessary precautions against UV radiation. For more detailed insights into Tucson's UV Index patterns, visit Tucson UV Index.

Maximum UV Index Levels in Tucson for April

The chart shows the monthly maximum UV Index (UVI) for Tucson in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121111864
Data source: Tucson April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Tucson

April in Tucson, United States, brings a delightful increase in sunshine, with the city basking in an impressive 333 hours of sunlight. This is a marked rise from 304 hours in March, signaling the transition to warmer days. As spring unfolds, daylight hours continue to climb, setting the stage for May's peak at 371 hours. The consistent upward trend from the beginning of the year, where January only saw 204 hours, highlights Tucson's gradual progression into a sunnier season. With each passing month, residents can relish the vibrant atmosphere infused by the growing sunlight, making Tucson a true haven for sun lovers as summer approaches.

Monthly Sunshine Duration in Tucson: April Highlighted

The April sunshine duration represents the total number of hours Tucson experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec204h241h304h333h371h371h354h340h312h300h261h243h
Data source: Tucson April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tucson During April

April in Tucson sees a favorable continuation of sunny weather, with a 76% chance of sunshine, mirroring the pleasant conditions of March. This trend highlights a consistent stretch of good weather as spring unfolds, making Tucson an inviting destination during this time. Following April, May further elevates these sunny vibes, boasting an impressive 88% chance of clear skies. However, as the summer months approach, the likelihood of sunshine dips significantly in July to 34%, indicating a shift in weather patterns. Overall, April stands out as a sweet spot, where warmth and sunshine abound, perfect for outdoor activities and soaking in the desert charm.

Percentage of Sunny Days in April in Tucson

The chart illustrates the percentage of sunny days in Tucson throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tucson experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%76%76%76%88%73%34%56%66%81%70%59%
Data source: Tucson April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tucson in April

As April unfolds in Tucson, daylight persists at a generous 12 hours, mirroring the length of March. This month acts as a bridge in the gradual increase of daylight hours that began in January, where days gradually lengthened from 10 hours to their peak at 14 hours in June. Following April, Tucson transitions into May, which heralds the arrival of even longer daylight, reaching 13 hours. This trend highlights Tucson's delightful spring, where longer days not only bask the region in sunlight but also encourage outdoor activities and community gatherings. As the year progresses, Tucson enjoys a dynamic ebb and flow of daylight, shaping the rhythm of life in this vibrant desert city.

Average Daylight Hours in Tucson for April

The chart illustrates the variation in daylight duration in Tucson throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 17m11h 2m12h12h 59m13h 48m14h 12m13h 59m13h 15m12h 18m11h 20m10h 29m10h 3m
Data source: Tucson daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Tucson

April in Tucson marks a transitional period in wind patterns, sustaining an average wind speed of 3.3 m/s (7 mph)—consistent with both March and May. This gentle breeze blends seamlessly with the warming temperatures, offering a refreshing respite as the desert begins to awaken from its winter slumber. Interestingly, while April shares its wind speed with the preceding and following months, January and February maintain a calmer pace at 2.8 m/s (6 mph). As summer approaches, a gradual decline in wind speed is observed, particularly in the hotter months of July and August, where winds drop to around 2.2 m/s (5 mph). This subtle shift not only enhances Tucson's charm but also reflects the region's dynamic climate, where the winds are as varied as the stunning landscapes they traverse.

Average April Wind Speed in Tucson

The chart displays monthly wind speed patterns in Tucson, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.83.33.3 m/s3.33.02.22.12.12.62.52.3
Data source: Tucson April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Tucson Compares to Other Months

The weather in Tucson changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Tucson and find detailed weather information for every month.

April and January in Tucson present stark differences in weather. April enjoys much warmer temperatures, with a minimum of 6°C (43°F) and an average high of 22°C (71°F), reaching up to a sweltering 37°C (98°F) on hotter days. In contrast, January is much cooler, with a minimum temperature of -1°C (30°F) and an average high of 11°C (53°F), peaking at 25°C (77°F). Additionally, April experiences minimal precipitation, with only 2 mm and no rainy days, while January sees more moisture with 23 mm over three days. Humidity levels also vary, with April at 55% compared to January's higher 76%. For more details on January weather, you can check Tucson weather in January.

April and February display notably different weather patterns. In April, temperatures soar with a minimum of 6°C (43°F) and an average of 22°C (71°F), peaking at a high of 37°C (98°F). This month is characterized by minimal precipitation, only 2 mm (0.1 in), and a low humidity level of 55%. In contrast, February experiences much cooler conditions, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 29°C (84°F) and an average of 13°C (55°F). February also sees significantly more rainfall, totaling 34 mm (1.3 in) over four days, and higher humidity at 79%. For more details, you can check out Tucson weather in February.

In comparing the weather between March and April, we see a notable increase in temperature and a significant decrease in precipitation. April boasts a minimum temperature of 6°C (43°F), an average of 22°C (71°F), and a maximum of 37°C (98°F), while March experiences cooler temperatures, ranging from a minimum of 1°C (33°F) to a maximum of 33°C (92°F) with an average of 16°C (62°F). Additionally, March sees more rainy days with a total precipitation of 15 mm (0.6 in) over 3 days, compared to April's dry spell of just 2 mm (0.1 in) with no rainy days. Humidity levels also dip from 67% in March to 55% in April, indicating a shift toward drier conditions as the season progresses. For more details, you can check Tucson weather in March.

April and May present a noticeable shift in weather patterns. April boasts a wider temperature range, with minimums dipping to 6°C (43°F) and maximums soaring to 37°C (98°F), while May experiences a milder minimum of 9°C (48°F) and an increase in average temperature to 25°C (78°F). Both months see low precipitation, with April recording virtually no rain and May experiencing only 3 mm (0.1 in) over just one day. Humidity is also lower in May at 40%, compared to April’s 55%, making for drier conditions as the spring transition into summer begins. For more details, visit Tucson weather in May.

In April, the weather begins to warm up, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 37°C (98°F), averaging around 22°C (71°F). The month remains quite dry, with negligible precipitation of just 2 mm (0.1 in) and humidity levels around 55%. In contrast, June sees a significant increase in warmth, with minimum temperatures starting at 17°C (62°F) and maxing out at 44°C (111°F), averaging 31°C (88°F). Although precipitation rises slightly to 8 mm (0.3 in), it still doesn’t occur on any days in June, resulting in a much drier atmosphere with humidity dropping to 33%. For more details, check out Tucson weather in June.

April and July showcase distinct differences in weather patterns. April typically experiences a moderate temperature range with a minimum of 6°C (43°F) and an average of 22°C (71°F), while July heats up significantly, boasting a minimum temperature of 20°C (69°F) and an average of 31°C (88°F). The maximum temperatures in July can soar to 43°C (110°F), compared to April's peak of 37°C (98°F). Additionally, April tends to be relatively dry, with only 2 mm (0.1 in) of precipitation over 0 days, while July sees much more activity, receiving 54 mm (2.1 in) of rainfall spread over 10 days. The humidity levels also differ, with April having a higher humidity at 55% compared to July's 34%. For more insights on the weather in July, check out Tucson weather in July.

In April, the weather is quite mild, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 37°C (98°F), averaging around 22°C (71°F). This month typically experiences very little precipitation, with only 2 mm recorded over zero rainy days, and a humidity level of 55%.

In contrast, August is significantly warmer, featuring a minimum temperature of 20°C (69°F) and daytime highs reaching up to 42°C (108°F), with an average temperature of 31°C (87°F). August is also much wetter, receiving about 35 mm of rainfall over eight days, while humidity drops slightly to 48%. For a more detailed overview of August weather, you can check Tucson weather in August.

April and September present contrasting weather patterns, showcasing the transition of seasons. In April, temperatures range from a cooler 6°C (43°F) to a warm 37°C (98°F), with an average of 22°C (71°F) and minimal precipitation, making it a drier month with only 2 mm (0.1 in) of rain and a humidity level of 55%. In contrast, September boasts higher temperatures, with a minimum of 13°C (56°F), an average of 28°C (83°F), and a peak of 41°C (106°F). This month also sees increased precipitation of 27 mm (1.1 in) over three days, contributing to a rise in humidity to 64%. For more on weather specifics, check out Tucson weather in September.

April and October offer contrasting yet similarly mild weather conditions. In April, temperatures range from a minimum of 6°C (43°F) to a maximum of 37°C (98°F), with an average of 22°C (71°F) and virtually no precipitation at just 2 mm (0.1 in) over 0 days. This month enjoys a relative humidity of 55%, making it quite pleasant. In contrast, October sees slightly cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 38°C (100°F), while the average remains comparable at 23°C (73°F). However, October experiences a bit more precipitation, totaling 10 mm (0.4 in) over 2 days, and higher humidity levels at 67%. For a deeper dive into the specifics of October weather, check out Tucson weather in October.

April and November exhibit distinct weather patterns, characterized by their temperature ranges and humidity levels. In April, the temperatures can peak at a warm 37°C (98°F) during the day, with an average of 22°C (71°F) and minimal precipitation, resulting in a comfortable humidity level of 55%. In contrast, November sees cooler temperatures, with a maximum of 33°C (91°F) and an average of 17°C (64°F), accompanied by increased humidity at 77% and some precipitation, totaling 14 mm (0.6 in) over just one day. For more detailed insights into November's climate, check out this link: Tucson weather in November.

April and December in Tucson offer strikingly different weather experiences. During April, temperatures can soar to a maximum of 37°C (98°F), providing warm, pleasant days with minimal precipitation and an average humidity of 55%. In contrast, December brings cooler temperatures, with highs averaging around 27°C (80°F) and a notable drop to a minimum of -2°C (29°F). December also sees more rain, with an average precipitation of 27 mm (1.0 in) over four days and higher humidity levels at 82%. For more details on Tucson's December weather, visit Tucson weather in December.

Compare Tucson's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Tucson

April in Tucson marks a vibrant transition into warmer weather, showcasing a pleasant blend of moderate temperatures and low precipitation. Unlike the winter months, where cooler temperatures and higher chances of rainfall prevail, April boasts long sunny days and dry conditions, with humidity levels remaining comfortable. As the city experiences its first flirtations with summer, residents and visitors alike can relish in outdoor activities without the oppressive heat that follows in the summer months. For a deeper dive into Tucson's climate year-round, check out Tucson Climate.