Climate in Boulder, CO, United States

Index
Climate Index:	62.36

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Climate By Month in Boulder, CO

Month	Climate Score	Weather Conditions Outline
Jan	13.56	Low avg -5℃ Chance of snow day 29%
Feb	20.64	Low avg -4℃ Chance of snow day 36%
Mar	55.14
Apr	68.61
May	87.64	Chance of thunder day 50% Chance of rainy day 56%
Jun	92.34	Chance of thunder day 48% Chance of rainy day 43%
Jul	95.64	Chance of thunder day 51% Chance of rainy day 52%
Aug	93.48	Chance of thunder day 53% Chance of rainy day 53%
Sep	92.34
Oct	80.04
Nov	44.07	Low avg -1℃
Dec	4.76	Low avg -6℃ Chance of snow day 30%

Best Months To Visit Boulder, CO

Best months to visit: April, May, June, July, August, September, October.

Temperatures (table)

Month	Temp Low Avg	Temp High Avg
Jan	-5℃	7℃
Feb	-4℃	9℃
Mar	1℃	14℃
Apr	3℃	15℃
May	7℃	19℃
Jun	13℃	28℃
Jul	16℃	31℃
Aug	14℃	30℃
Sep	11℃	26℃
Oct	5℃	19℃
Nov	-1℃	13℃
Dec	-6℃	7℃