April Weather in Vista West, United States

Last updated: June 24, 2025

In April, the average temperature in Vista West, United States hovers around 4°C (40°F). However, prepare for a range of extremes, with minimums plunging to -23°C (-8°F) and maximums reaching a balmy 24°C (75°F). Expect a little rain, as the precipitation amount averages 54 mm (2.1 in) over about 11 days, and keep in mind the average humidity sits comfortably at 67%.

April Temperature in Vista West

In April in Vista West, the average temperature is 4°C (40°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -23°C (-8°F). Prepare for a wide range of temperatures, making it essential to pack accordingly for your travel adventures.

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

The chart illustrates April temperature patterns in Vista West, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vista West, April typically has an average temperature of 4°C (40°F), with highs reaching up to 24°C (75°F) and lows dropping to around -23°C (-8°F).

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

April Precipitation in Vista West

In Vista West in April, the precipitation amount is 54 mm (2.1 in), occurring over the course of 11 days.

April Precipitation Trends in Vista West

The chart displays monthly precipitation patterns in Vista West, 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 West, April typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 11 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 West

In Vista West in April, humidity is 67%. With an average temperature of 4°C (40°F), this humidity feels like a chilly mist clinging to your skin, making outdoor activities somewhat uncomfortable and prompting you to seek warm shelter to truly enjoy your travels.

April Average Humidity in Vista West

This chart illustrates the average monthly humidity levels in Vista West, 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 West is approximately 67%, 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 West

In Vista West 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 Vista West.

Maximum UV Index Levels in Vista West for April

The chart shows the monthly maximum UV Index (UVI) for Vista West 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 West typically reaches 11, which falls under the extreme exposure category.

Data source: Vista West 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 West Compares to Other Months

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

This table compares monthly weather conditions in Vista West, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	21 mm (0.8 inches)	79%	moderate
February Weather	-7°C (19°F)	28 mm (1.1 inches)	81%	high
March Weather	0°C (32°F)	43 mm (1.7 inches)	70%	high
April Weather	4°C (40°F)	54 mm (2.1 inches)	67%	extreme
May Weather	10°C (51°F)	61 mm (2.4 inches)	70%	very high
June Weather	19°C (66°F)	24 mm (1.0 inches)	75%	extreme
July Weather	23°C (74°F)	11 mm (0.4 inches)	76%	extreme
August Weather	21°C (71°F)	13 mm (0.5 inches)	76%	extreme
September Weather	16°C (61°F)	24 mm (0.9 inches)	72%	very high
October Weather	5°C (42°F)	38 mm (1.5 inches)	70%	high
November Weather	1°C (35°F)	23 mm (0.9 inches)	76%	moderate
December Weather	-4°C (24°F)	25 mm (1.0 inches)	81%	moderate