The highest day temperature in January 2026 was 81°F. The lowest night temperature was 21°F. The average values for day and night temperatures during January were 59.7°F и 46.9°F respectivly.

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

Precipitation total in January for Lafayette is 1.4 in.

The average wind speed in January is 9.1 mph. It makes January one of the most windy months of the year for Lafayette.

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 Lafayette in January is 5.6 hours.