When is the best time to visit Boulder United States, weather forecast

General weather information about Boulder

Average annual temperature is 5.1 °C

Absolute maximum temperature: 34.1 °C

Absolute minimum temperature: -30.9 °C

Number of sunny days: 170

Number of rainy days: 127

Number of snow days: 68

Average annual precipitation: 497 mm

* Weather data for Boulder United States is based on climate observations for 2023 year

	Jan	Feb	Mar	Apr	Maggio	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	4.3	5.6	5.5	18.7	24.8	26.2	32.7	34.1	27.3	22.6	11.5	10.2
Average daytime temperature (°C)	-1	0.3	0.2	7.1	18	19.5	27	26.3	20.7	12.3	6.9	3.8
Average temperature (°C)	-6.5	-5.9	-5	1	11	13.1	18.4	17.9	12.6	4.8	0.7	-2.1
Average night temperature (°C)	-10.6	-10.6	-9.2	-4	4.1	7	9.5	10.5	5.8	-0.5	-3.8	-6.4
Absolute minimum temperature (°C)	-28.4	-30.9	-17.2	-12.4	-2.4	0.9	4.9	7.2	-0.1	-23.7	-11.7	-15.2

	Jan	Feb	Mar	Apr	Maggio	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.6	11.1	12.8	14.3	15.5	15.8	15.7	14.8	13.3	11.7	10.1	8.9
Daylight mean duration (h)	9.1	10.4	11.9	13.6	15	15.7	15.4	14.1	12.6	10.9	9.5	8.7
Daylight minimum duration (h)	8.7	9.7	11.1	12.8	14.4	15.5	14.9	13.4	11.8	10.2	8.9	8.6
Sunshine mean duration (h)	5.6	6.9	7.7	10.3	11.3	11.1	13.6	11.5	10.1	7.6	6.9	5.9
Precipitation (mm)	19	22	43	51	68	101	17	64	50	40	11	12
Sunny days	16	13	10	15	7	2	15	14	18	18	21	21
Rainy days	2		1	7	24	28	16	17	12	9	8	3
Snow days	13	15	20	8						4	1	7

The best time to visit Boulder during the most sunny months:

Months with the longest average daylight duration in Boulder:

The largest precipitation sum in Boulder is at