nomadseason

February Weather in San Juan, Mexico

Last updated: August 27, 2025

In February, the average temperature in San Juan, Mexico hovers around 18°C (65°F), offering a pleasant climate. Expect lows of 5°C (41°F) and highs reaching up to 31°C (89°F). During this period, precipitation typically amounts to 37 mm (1.5 in) over the course of 2 days, while average humidity stands at a comfortable 66%. Enjoy the diverse weather conditions this month brings!

February Temperature in San Juan

In February in San Juan, the average temperature is 18°C (65°F). Maximum can reach 31°C (89°F) and minimum can be as low as 5°C (41°F). Be sure to pack layers for your visit, as the weather can vary significantly throughout the day.

February Weather in San Juan: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in San Juan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan, February typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (89°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec636468727678767675746964
Data source: Temperature data for San Juan 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.

February Precipitation in San Juan

In San Juan in February, the precipitation amount is 37 mm (1.5 in) over a span of 2 days.

February Precipitation Trends in San Juan

The chart displays monthly precipitation patterns in San Juan, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In San Juan, February typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec113721273217255166681324
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

February Humidity in San Juan

In San Juan in February humidity is 66%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, perfect for leisurely strolls but requiring light, breathable clothing to fully enjoy the experience.

February Average Humidity in San Juan

This chart illustrates the average monthly humidity levels in San Juan, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in San Juan is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%66%61%56%61%73%82%83%83%79%77%78%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in San Juan

In San Juan in February, 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 Juan.

Maximum UV Index Levels in San Juan for February

The chart shows the monthly maximum UV Index (UVI) for San Juan in February, 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 February, the maximum UV index in San Juan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111313121212121186
Data source: San Juan February 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 February Weather in San Juan Compares to Other Months

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

This table compares monthly weather conditions in San Juan, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)11 mm (0.4 inches)74%high
February Weather18°C (65°F)37 mm (1.5 inches)66%very high
March Weather20°C (68°F)2 mm (0.1 inches)61%extreme
April Weather22°C (72°F)1 mm (0.0 inches)56%extreme
May Weather24°C (76°F)2 mm (0.1 inches)61%extreme
June Weather26°C (78°F)73 mm (2.9 inches)73%extreme
July Weather24°C (76°F)217 mm (8.6 inches)82%extreme
August Weather25°C (76°F)255 mm (10.0 inches)83%extreme
September Weather24°C (75°F)166 mm (6.5 inches)83%extreme
October Weather23°C (74°F)68 mm (2.7 inches)78%extreme
November Weather21°C (69°F)13 mm (0.5 inches)77%very high
December Weather18°C (64°F)24 mm (0.9 inches)78%high

Compare San Juan's Climate with Cities Worldwide