April Weather in Pima, United States

Last updated: June 24, 2025

In Pima, United States, the average temperature for April hovers around 18°C (65°F). Temperatures can range from a brisk 2°C (36°F) to a warm 34°C (93°F). Despite this variability, you can expect minimal rainfall with only 2 mm (0.1 in) recorded over 0 days. With an average humidity of 55%, the weather remains comfortably pleasant throughout the month.

April Temperature in Pima

In April in Pima, the average temperature is 18°C (65°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 2°C (36°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates April temperature patterns in Pima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pima, April typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Pima generated using information from the Copernicus Climate Change Service.

April Precipitation in Pima

In Pima in April, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

April Precipitation Trends in Pima

The chart displays monthly precipitation patterns in Pima, 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. In Pima, April typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Pima

In Pima in April humidity is 55%. With an average temperature of 18°C (65°F), this humidity feels like a gentle embrace, creating a comfortable yet slightly sticky atmosphere that is perfect for leisurely strolls and outdoor adventures.

April Average Humidity in Pima

This chart illustrates the average monthly humidity levels in Pima, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Pima is approximately 55%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Pima

In Pima in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Pima.

Maximum UV Index Levels in Pima for April

The chart shows the monthly maximum UV Index (UVI) for Pima 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. In April, the maximum UV index in Pima typically reaches 11, which falls under the extreme exposure category.

Data source: Pima 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.

How April Weather in Pima Compares to Other Months

Weather in Pima varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Pima, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Pima, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	32 mm (1.3 inches)	81%	moderate
February Weather	9°C (49°F)	37 mm (1.5 inches)	82%	high
March Weather	13°C (56°F)	26 mm (1.0 inches)	68%	very high
April Weather	18°C (65°F)	2 mm (0.1 inches)	55%	extreme
May Weather	22°C (73°F)	4 mm (0.2 inches)	45%	extreme
June Weather	28°C (83°F)	4 mm (0.2 inches)	37%	extreme
July Weather	29°C (84°F)	51 mm (2.0 inches)	43%	extreme
August Weather	28°C (83°F)	21 mm (0.8 inches)	53%	extreme
September Weather	25°C (77°F)	28 mm (1.1 inches)	66%	extreme
October Weather	19°C (66°F)	16 mm (0.6 inches)	72%	very high
November Weather	13°C (56°F)	17 mm (0.7 inches)	81%	high
December Weather	8°C (47°F)	28 mm (1.1 inches)	84%	moderate