The highest day temperature in January 2026 was 89°F. The lowest night temperature was 61°F. The average values for day and night temperatures during January were 79.9°F и 72.3°F respectivly.

The average sea surface temperature in January 2026 for Rio Grande was 81.2°F. The maximum and minimum values were 76.2°F and 85.8°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Rio Grande is 1.2 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 12.3 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rio Grande in January is 7.7 hours.