January Weather in Rio Grande, Mexico

Last updated: August 27, 2025

In Rio Grande, Mexico, the average temperature in January hovers around 25°C (78°F). Expect a comfortable range, with the minimum dipping to 19°C (67°F) and the maximum reaching up to 32°C (89°F). Rainfall is minimal, averaging just 3 mm (0.1 in) over 0 days. With an average humidity of 66%, it's a perfect time to explore the outdoors!

January Temperature in Rio Grande

In January, in Rio Grande, the average temperature is 25°C (78°F). The maximum can reach 32°C (89°F), while the minimum can drop to 19°C (67°F). This pleasant weather makes Rio Grande an ideal destination for travelers seeking warmth and outdoor activities.

January Weather in Rio Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rio Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Grande, January typically has an average temperature of 25°C (78°F), with highs reaching up to 32°C (89°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec787880818280818079797978
Data source: Temperature data for Rio Grande 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.

January Precipitation in Rio Grande

In Rio Grande in January, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

January Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Rio Grande, January typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec3122682891823254123121911
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Rio Grande

In Rio Grande in January, humidity is 66%. With an average temperature of 25°C (78°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel more draining, yet still enjoyable for short adventures.

January Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Rio Grande is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%68%68%73%72%73%76%76%74%71%71%69%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Rio Grande

In Rio Grande in January, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Rio Grande.

Maximum UV Index Levels in Rio Grande for January

The chart shows the monthly maximum UV Index (UVI) for Rio Grande in January, 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 January, the maximum UV index in Rio Grande typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec912131414141313131298
Data source: Rio Grande January 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 January Weather in Rio Grande Compares to Other Months

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

This table compares monthly weather conditions in Rio Grande, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)3 mm (0.1 inches)66%very high
February Weather26°C (79°F)1 mm (0.1 inches)68%extreme
March Weather26°C (80°F)2 mm (0.1 inches)68%extreme
April Weather27°C (81°F)2 mm (0.1 inches)73%extreme
May Weather28°C (82°F)68 mm (2.7 inches)72%extreme
June Weather27°C (80°F)288 mm (11.4 inches)73%extreme
July Weather27°C (81°F)182 mm (7.2 inches)76%extreme
August Weather27°C (80°F)325 mm (12.8 inches)76%extreme
September Weather26°C (80°F)412 mm (16.2 inches)74%extreme
October Weather26°C (80°F)312 mm (12.3 inches)71%extreme
November Weather26°C (79°F)19 mm (0.7 inches)71%very high
December Weather26°C (78°F)11 mm (0.4 inches)69%very high

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