nomadseason

April Weather in San Luis, United States

Last updated: June 24, 2025

In San Luis, United States, the average temperature in April is a pleasant 24°C (76°F). However, it can vary significantly, with a minimum of 9°C (48°F) and soaring to a maximum of 42°C (108°F). Expect very little rain, with an average precipitation of just 3 mm (0.1 in) over 0 days. The average humidity lingers around 50%, providing a comfortable atmosphere for your visit.

April Temperature in San Luis

In April in San Luis, the average temperature is 24°C (76°F). Maximums can reach 42°C (108°F) and minimums can drop to as low as 9°C (48°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates April temperature patterns in San Luis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Luis, April typically has an average temperature of 24°C (76°F), with highs reaching up to 42°C (108°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec596167768190959689776858
Data source: Temperature data for San Luis generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in San Luis

In San Luis in April, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

April Precipitation Trends in San Luis

The chart displays monthly precipitation patterns in San Luis, 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 Luis, April typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec915193106620889
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in San Luis

In San Luis in April, humidity is 50%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, making it quite comfortable for traveling, though you might want to carry a light layer to stay cozy during breezy moments.

April Average Humidity in San Luis

This chart illustrates the average monthly humidity levels in San Luis, 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 Luis is approximately 50%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%76%65%50%33%28%28%33%50%61%70%78%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Luis

In San Luis 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 San Luis.

Maximum UV Index Levels in San Luis for April

The chart shows the monthly maximum UV Index (UVI) for San Luis 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 Luis typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110854
Data source: San Luis 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 Luis Compares to Other Months

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

This table compares monthly weather conditions in San Luis, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)9 mm (0.4 inches)73%moderate
February Weather16°C (61°F)15 mm (0.6 inches)76%high
March Weather20°C (68°F)19 mm (0.7 inches)65%very high
April Weather24°C (76°F)3 mm (0.1 inches)50%very high
May Weather27°C (81°F)1 mm (0.0 inches)33%extreme
June Weather32°C (90°F)0 mm (0.0 inches)28%extreme
July Weather35°C (96°F)6 mm (0.2 inches)28%extreme
August Weather35°C (96°F)6 mm (0.2 inches)33%extreme
September Weather32°C (89°F)20 mm (0.8 inches)50%very high
October Weather25°C (78°F)8 mm (0.3 inches)61%very high
November Weather20°C (68°F)8 mm (0.3 inches)70%moderate
December Weather14°C (58°F)9 mm (0.4 inches)78%moderate

Compare San Luis's Climate with Cities Worldwide