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The weather in Thornton in January is very cold with temperatures between -5°C and 5°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Thornton during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Thornton is going to experience quite a number of days of snow during January. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Thornton in January 2025.
If you’re planning to visit Thornton in the near future, we highly recommend that you review the 14 day weather forecast for Thornton before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / -5° | 3 | 19 | 9 | 23 mm | Awful | Thornton in January |
| February | 5° / -5° | 3 | 14 | 11 | 34 mm | Awful | Thornton in February |
| March | 11° / 0° | 3 | 20 | 8 | 64 mm | Bad | Thornton in March |
| April | 15° / 3° | 3 | 21 | 6 | 60 mm | Ok | Thornton in April |
| May | 20° / 7° | 7 | 22 | 2 | 108 mm | Bad | Thornton in May |
| June | 28° / 14° | 4 | 26 | 0 | 69 mm | Perfect | Thornton in June |
| July | 31° / 17° | 4 | 27 | 0 | 88 mm | Good | Thornton in July |
| August | 30° / 16° | 2 | 29 | 0 | 51 mm | Good | Thornton in August |
| September | 26° / 13° | 2 | 28 | 0 | 47 mm | Perfect | Thornton in September |
| October | 17° / 5° | 2 | 26 | 3 | 37 mm | Ok | Thornton in October |
| November | 11° / 0° | 2 | 22 | 6 | 27 mm | Bad | Thornton in November |
| December | 5° / -5° | 3 | 19 | 9 | 22 mm | Awful | Thornton in December |