Thornton Weather in January

January in Thornton typically sees daytime highs of 8°C (46°F) and nighttime lows of -8°C (18°F). With the least snow/rainfall of the year, it's a reliably dry month. It falls within the winter season.

Rainfall in Thornton in January

With the driest weather of the year, this month is a solid choice for exploring, even if you'll want to dress warmly. On average, there are about 4 days with snow/rain during this month, averaging 12 mm (0.5 in). The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in Thornton in January

In January, Thornton sees low temperatures, with highs of 8°C (46°F). Nights drop to around -8°C (18°F). During January, you'll experience the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At -8°C (18°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Thornton in January

Expect a lot of sunshine this month, with about 215 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.

Wind Speed in Thornton in January

Wind speeds average 4 m/s (8 knots) during January. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and September typically offer the best weather for Thornton.