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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). However, be prepared for a temperature range that can dip to a chilly -3°C (27°F) or soar up to a sweltering 38°C (100°F). With an average precipitation of 13 mm (0.5 in) spread over approximately 3 days, you might want to carry an umbrella. Add to that a high humidity level of 83%, and you have a month that offers a mix of both refreshing and sweltering days.

February Temperature in San Juan

In February in San Juan, the average temperature is 18°C (65°F), with maximums reaching 38°C (100°F) and minimums dropping as low as -3°C (27°F). Visitors should be prepared for a wide range of temperatures and pack accordingly for their trip.

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 38°C (100°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec616573788386878882766863
Data source: Temperature data for San Juan generated using information from the Copernicus Climate Change Service.
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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 13 mm (0.5 in) over a span of 3 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 13 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec2014254686867816119562320
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in San Juan

In San Juan in February, humidity is 83%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm, damp blanket, making it quite uncomfortable for traveling.

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 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%78%81%82%74%68%67%75%78%83%86%
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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec68101212121212111076
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 Weather16°C (61°F)20 mm (0.8 inches)84%high
February Weather18°C (65°F)13 mm (0.5 inches)83%very high
March Weather23°C (73°F)25 mm (1.0 inches)78%very high
April Weather25°C (78°F)46 mm (1.8 inches)81%extreme
May Weather28°C (83°F)86 mm (3.4 inches)82%extreme
June Weather30°C (86°F)86 mm (3.4 inches)74%extreme
July Weather31°C (87°F)78 mm (3.1 inches)68%extreme
August Weather31°C (89°F)16 mm (0.6 inches)67%extreme
September Weather28°C (83°F)119 mm (4.7 inches)75%extreme
October Weather24°C (76°F)56 mm (2.2 inches)78%very high
November Weather20°C (68°F)23 mm (0.9 inches)83%high
December Weather17°C (64°F)20 mm (0.8 inches)86%high

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