+39.8680° · -104.9719° · ELEV 0m
Thornton
United States · Colorado
Monthly weather averages for Thornton, United States — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
July → FebruaryClimate Overview
Thornton has a continental climate. The warmest month is July (31°C average high) and the coolest is January (4°C).
№ 02
471 mm / yearRainfall by Month
Thornton sees 471 mm of rain a year. The wettest month is May (109 mm); the driest is December (18 mm).
№ 03
June–OctoberBest Time to Visit
June–October
4°C – 31°C · 11.7h sun
The best time to visit Thornton is June–October, when temperatures average 4°C–31°C with 11.7 sunshine hours per day.
Some visitors prefer May for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 4.2°C | -8.9°C | 24 mm | 7.9 h | 07:19 | 16:58 |
|---|---|---|---|---|---|---|
| February | 5.1°C | -9.2°C | 25 mm | 9.0 h | 06:52 | 17:35 |
| March | 10.9°C | -4.1°C | 46 mm | 10.0 h | 07:11 | 19:06 |
| April | 15.5°C | 0.5°C | 47 mm | 10.7 h | 06:22 | 19:37 |
| May | 19.7°C | 5.9°C | 109 mm | 11.2 h | 05:45 | 20:07 |
| June | 27.6°C | 12.4°C | 51 mm | 12.8 h | 05:30 | 20:29 |
| July | 30.7°C | 16.0°C | 42 mm | 12.8 h | 05:43 | 20:27 |
| August | 29.6°C | 15.0°C | 34 mm | 12.3 h | 06:11 | 19:57 |
| September | 26.9°C | 11.4°C | 24 mm | 11.0 h | 06:40 | 19:09 |
| October | 18.2°C | 3.7°C | 30 mm | 9.5 h | 07:09 | 18:21 |
| November | 10.8°C | -3.2°C | 21 mm | 8.5 h | 06:44 | 16:44 |
| December | 5.7°C | -7.1°C | 18 mm | 7.8 h | 07:14 | 16:35 |
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View monthly climate averages for nearby cities or compare them with Thornton.
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Temperature, rainfall and sunshine, month by month.