St. Louis Weather in January

January in St. Louis brings low temperatures, with highs of 5°C (41°F) and nights dropping to -5°C (23°F). It's also the driest month of the year, ideal for those who want to avoid rain.

Rainfall in St. Louis in January

January is the month with the least rainfall. Whether you're keen on hiking, city exploring, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans, even if it's not the warmest time of year. On average, there are about 8 days with snow/rain during this month, averaging 50 mm (2 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in St. Louis in January

St. Louis in January gets highs of 5°C (41°F) during the day and drops to -5°C (23°F) at night. The month of January belongs to the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At -5°C (23°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. Prepare for the coldest month of the year by packing warm and cozy winter cloths.

Sunshine in St. Louis in January

The area enjoys a balanced 163 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for St. Louis.