Best year time to visit City of Thornton

General weather information about City of Thornton

Average annual temperature is 8.9 °C

Absolute maximum temperature: 37.0 °C

Absolute minimum temperature: -29.9 °C

Number of sunny days: 211 days

Number of rainy days: 117 days

Number of snow days: 37 days

* Weather data for City of Thornton United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	10.0	14.3	19.1	27.4	26.5	33.2	35.8	37.0	35.5	29.8	22.2	14.7
Average daytime temperature (°C)	-0.6	5.4	9.2	16.8	21.5	23.7	30.1	30.2	27.3	19.0	12.6	7.8
Average temperature (°C)	-6.6	-3.7	0.9	7.5	14.1	16.6	22.0	22.1	18.5	10.7	3.4	0.1
Average night temperature (°C)	-11.1	-9.9	-5.1	0.0	7.6	10.7	14.5	15.0	10.5	3.8	-2.7	-4.6
Absolute minimum temperature (°C)	-29.9	-24.6	-9.5	-8.1	3.8	7.4	10.5	11.8	5.7	-12.9	-9.6	-10.5

The best time to visit City of Thornton during the most sunny months:

The largest precipitation sum in City of Thornton is at

May — 147(mm)

June — 161(mm)

August — 67(mm)

When is the best time to visit City of Thornton?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit City of Thornton.

What is the weather like in City of Thornton?

See average temperature, rainfall and daylight hours for City of Thornton by month in the table above.

How many sunny days does City of Thornton have?

The monthly weather statistics above show sunshine and rainfall patterns for City of Thornton throughout the year.