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Average temperature in Thornton (CO)

The mean minimum and maximum temperatures over the year in Thornton (Colorado), the United States of America.

Average monthly minimum and maximum temperature in Thornton (CO),

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  • The months of May, June and September have nice average temperatures.
  • On average, the warmest month(s) are June, July and August.
  • On average, the warmest month is July with 32°C.
  • On average, the coolest month is December with 7°C.
  • The average annual maximum temperature is 19°C.
  • The average annual minimum temperature is 3°C.

Weather Forecasts for Thornton (CO)

Fri   Apr 19
11°C | 1°C
NW 22 km/h
9 mm
overcast and rain

overcast and rain

Sat   Apr 20
5°C | 0°C
N 18 km/h
8.7 mm
overcast and sleet

overcast and sleet

Sun   Apr 21
19°C | 1°C
NE 18 km/h
partly cloudy and no rain

partly cloudy and no rain

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Thornton.

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