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Population Review

Climate normals · 1970–2000

Thornton Climate

Thornton is a city in United States (CO) with a population of about 133,451. Its average annual temperature is 10.5°C (51°F), with roughly 425 mm of rain per year.

10.5°C

Avg Temp

425

Precip (mm/yr)

Jul

Hottest Month

Jan

Coldest Month


Thornton Climate

Thornton has an average annual temperature of 10.5°C (51°F) and receives about 425 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.

10.5°C

Avg Temp

425

Precip (mm/yr)

Jul

Hottest Month

Jan

Coldest Month

-15°-5°5°15°25°35°65mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Thornton — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January-1° / 31°13 mm
February2° / 35°14 mm
March5° / 41°37 mm
April9° / 48°52 mm
May14° / 58°65 mm
June20° / 68°46 mm
July23° / 74°50 mm
August22° / 72°41 mm
September17° / 63°36 mm
October11° / 52°28 mm
November4° / 38°27 mm
December0° / 32°16 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Thornton

The most comfortable months to visit Thornton are typically August, June and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -8°C low). May is usually the wettest month.

AugustJuneJuly

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Frequently Asked Questions

The most comfortable months to visit Thornton are typically August, June and July, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).

Thornton, United States has an average annual temperature of 10.5°C and about 425 mm of precipitation per year. The warmest month is July and the coldest is January.

In July, the hottest month, daily highs in Thornton average about 32°C (89°F).

Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.