April Weather in San Fernando, Mexico

Last updated: August 27, 2025

In San Fernando, Mexico, the average temperature in April hovers around 21°C (71°F). Temperatures can dip to a minimum of 8°C (46°F) and soar to a maximum of 34°C (94°F). You'll also enjoy minimal rain, with only 1 mm (0.0 in) of precipitation over 0 days. With an average humidity of 42%, it's a great time to experience the delightful climate!

April Temperature in San Fernando

In April in San Fernando, the average temperature is 21°C (71°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 8°C (46°F). This makes it an ideal time for travelers who enjoy mild weather with some warm days perfect for outdoor activities.

April Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, April typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (46°F).

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

April Precipitation in San Fernando

In San Fernando in April, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

April Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 San Fernando, April typically receives around 1 mm (0.0 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 San Fernando

In San Fernando in April humidity is 42%. With an average temperature of 21°C (71°F), this humidity feels like a comfortable embrace, making it an ideal time for traveling and exploring the surroundings without feeling weighed down by the heat.

April Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 San Fernando is approximately 42%, 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 San Fernando

In San Fernando in April, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Fernando.

Maximum UV Index Levels in San Fernando for April

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 San Fernando typically reaches 13, which falls under the extreme exposure category.

Data source: San Fernando 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 San Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	28 mm (1.1 inches)	64%	very high
February Weather	19°C (66°F)	39 mm (1.5 inches)	57%	very high
March Weather	20°C (69°F)	2 mm (0.1 inches)	46%	extreme
April Weather	21°C (71°F)	1 mm (0.0 inches)	42%	extreme
May Weather	23°C (74°F)	9 mm (0.3 inches)	51%	extreme
June Weather	24°C (76°F)	146 mm (5.7 inches)	74%	extreme
July Weather	24°C (75°F)	289 mm (11.4 inches)	79%	extreme
August Weather	24°C (75°F)	313 mm (12.3 inches)	81%	extreme
September Weather	23°C (74°F)	344 mm (13.5 inches)	84%	extreme
October Weather	23°C (74°F)	153 mm (6.0 inches)	75%	extreme
November Weather	21°C (70°F)	24 mm (0.9 inches)	71%	very high
December Weather	19°C (66°F)	26 mm (1.0 inches)	74%	high