Last updated: June 24, 2025
In January, the average temperature in Thomas, United States hovers around 3°C (38°F). While the mercury can dip as low as -16°C (3°F), it can also reach a pleasant 23°C (74°F) on the warmer days. Expect a moderate precipitation amount of 31 mm (1.2 in) spread across approximately 3 days, with an average humidity of 76%, making for some chilly and damp conditions.
In January in Thomas, the average temperature is 3°C (38°F). Maximums can reach 23°C (74°F), while minimums can drop as low as -16°C (3°F). Be prepared for a wide range of temperatures when traveling during this time.
In Thomas in January, the precipitation amount is 31 mm (1.2 in) over the course of 3 days.
In Thomas in January, humidity is 76%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and demanding thicker layers for warmth.
In Thomas in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Thomas for better planning.
UV Risk Categories
Weather in Thomas varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Thomas, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 3°C (38°F) | 31 mm (1.2 inches) | 76% | moderate |
February Weather | 4°C (39°F) | 26 mm (1.0 inches) | 76% | high |
March Weather | 11°C (52°F) | 69 mm (2.7 inches) | 70% | very high |
April Weather | 14°C (58°F) | 83 mm (3.3 inches) | 72% | very high |
May Weather | 20°C (68°F) | 124 mm (4.9 inches) | 82% | extreme |
June Weather | 26°C (79°F) | 92 mm (3.6 inches) | 82% | extreme |
July Weather | 28°C (82°F) | 49 mm (1.9 inches) | 80% | extreme |
August Weather | 27°C (80°F) | 54 mm (2.1 inches) | 72% | extreme |
September Weather | 23°C (74°F) | 57 mm (2.2 inches) | 64% | very high |
October Weather | 16°C (60°F) | 69 mm (2.7 inches) | 71% | high |
November Weather | 9°C (49°F) | 22 mm (0.9 inches) | 81% | moderate |
December Weather | 5°C (42°F) | 30 mm (1.2 inches) | 84% | moderate |