April Weather in Vista, United States

Last updated: June 24, 2025

In April, the average temperature in Vista, United States is a mild 16°C (62°F). Expect a range, with minimums reaching 8°C (46°F) and maximums soaring to 34°C (93°F). During this month, anticipate about 32 mm (1.3 in) of precipitation spread over 3 days, paired with an average humidity of 56%.

April Temperature in Vista

In April in Vista, the average temperature is 16°C (62°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 8°C (46°F). It's an excellent time for travelers to enjoy a mix of warm days and cooler evenings, making it ideal for outdoor activities.

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

The chart illustrates April temperature patterns in Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vista, April typically has an average temperature of 16°C (62°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (46°F).

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

April Precipitation in Vista

In Vista in April, the total precipitation amount is 32 mm (1.3 in) over a span of 3 days.

April Precipitation Trends in Vista

The chart displays monthly precipitation patterns in Vista, 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 Vista, April typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 3 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 Vista

In Vista in April, humidity is 56%. With an average temperature of 16°C (62°F), this humidity feels like a gentle embrace, making for a pleasant and refreshing atmosphere for traveling.

April Average Humidity in Vista

This chart illustrates the average monthly humidity levels in Vista, 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 Vista is approximately 56%, 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 Vista

In Vista in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Vista.

Maximum UV Index Levels in Vista for April

The chart shows the monthly maximum UV Index (UVI) for Vista 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 Vista typically reaches 10, which falls under the very high exposure category.

Data source: Vista 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 Vista Compares to Other Months

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

This table compares monthly weather conditions in Vista, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	70 mm (2.8 inches)	72%	moderate
February Weather	13°C (56°F)	78 mm (3.1 inches)	77%	high
March Weather	14°C (58°F)	68 mm (2.7 inches)	67%	very high
April Weather	16°C (62°F)	32 mm (1.3 inches)	56%	very high
May Weather	17°C (63°F)	24 mm (0.9 inches)	46%	extreme
June Weather	20°C (68°F)	3 mm (0.1 inches)	48%	extreme
July Weather	23°C (73°F)	4 mm (0.2 inches)	46%	extreme
August Weather	24°C (75°F)	1 mm (0.1 inches)	42%	very high
September Weather	23°C (73°F)	5 mm (0.2 inches)	52%	very high
October Weather	20°C (69°F)	12 mm (0.5 inches)	58%	high
November Weather	17°C (63°F)	34 mm (1.4 inches)	66%	moderate
December Weather	14°C (57°F)	70 mm (2.7 inches)	74%	moderate