March Weather in San Luis, United States

Last updated: June 24, 2025

In San Luis, United States, the average temperature in March hovers around 1°C (34°F). However, temperatures can vary significantly, with a chilling minimum of -17°C (2°F) and a pleasant maximum reaching 17°C (63°F). Expect about 37 mm (1.5 in) of precipitation spread over 7 days, and a notable average humidity of 74%. Prepare accordingly for a blend of cold and wet weather!

March Temperature in San Luis

In March in San Luis, the average temperature is 1°C (34°F). The maximum can reach 17°C (63°F) and the minimum can be as low as -17°C (2°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates March 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, March typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (63°F) and lows dropping to around -17°C (2°F).
JanFebMarAprMayJunJulAugSepOctNovDec222534415161646357453525
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.

March Precipitation in San Luis

In San Luis in March, the precipitation amount is 37 mm (1.5 in) during a span of 7 days.

March Precipitation Trends in San Luis

The chart displays monthly precipitation patterns in San Luis, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In San Luis, March typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec232537354228714531271723
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in San Luis

In San Luis in March humidity is 74%. With average temperature 1°C (34°F), this humidity feels like a chilling blanket enveloping you, making it uncomfortable for traveling as you navigate through the damp air, leaving you feeling colder than the actual temperature suggests.

March Average Humidity in San Luis

This chart illustrates the average monthly humidity levels in San Luis, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in San Luis is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%75%68%62%55%54%61%70%78%81%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Luis

In San Luis in March, 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 March

The chart shows the monthly maximum UV Index (UVI) for San Luis in March, 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 March, the maximum UV index in San Luis typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4710111213131211854
Data source: San Luis March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)23 mm (0.9 inches)84%moderate
February Weather-4°C (25°F)25 mm (1.0 inches)84%high
March Weather1°C (34°F)37 mm (1.5 inches)74%very high
April Weather5°C (42°F)35 mm (1.4 inches)68%extreme
May Weather10°C (51°F)42 mm (1.6 inches)62%extreme
June Weather16°C (62°F)28 mm (1.1 inches)55%extreme
July Weather18°C (65°F)71 mm (2.8 inches)54%extreme
August Weather17°C (63°F)45 mm (1.8 inches)61%extreme
September Weather14°C (57°F)31 mm (1.2 inches)70%extreme
October Weather7°C (45°F)27 mm (1.1 inches)78%very high
November Weather2°C (35°F)17 mm (0.7 inches)81%moderate
December Weather-4°C (25°F)23 mm (0.9 inches)85%moderate

Compare San Luis's Climate with Cities Worldwide