Best year time to visit Castle Rock

General weather information about Castle Rock

Average annual temperature is 7.8 °C

Absolute maximum temperature: 34.3 °C

Absolute minimum temperature: -28.1 °C

Number of sunny days: 187 days

Number of rainy days: 128 days

Number of snow days: 50 days

Look at detailed online map of Castle Rock

* Weather data for Castle Rock Canada is based on climate observations for 2026 year

Castle Rock air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	7.9	9.4	12.8	26.2	31.5	31.9	34.3	32.9	28.6	23.5	13.4	9.0
Average daytime temperature (°C)	1.9	2.0	6.3	12.7	24.0	25.1	27.7	26.9	21.7	14.0	6.0	4.4
Average temperature (°C)	-2.3	-3.2	-1.9	5.5	15.7	17.1	19.8	18.7	13.7	7.5	1.4	0.9
Average night temperature (°C)	-5.5	-7.0	-7.8	-0.4	8.3	9.9	12.6	11.7	7.7	2.9	-1.6	-1.5
Absolute minimum temperature (°C)	-21.7	-28.1	-14.9	-9.4	3.5	4.2	6.8	6.4	2.7	-7.1	-5.5	-6.8

Castle Rock monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	14.0	16.0	16.0	16.0	15.0	13.0	11.0	9.0	8.0
Daylight mean duration (h)	8.3	9.9	11.9	13.9	15.8	16.7	16.3	14.7	12.7	10.6	8.8	7.7
Daylight minimum duration (h)	7.0	9.0	10.0	12.0	14.0	16.0	15.0	13.0	11.0	9.0	8.0	7.0
Sunshine mean duration (h)	3.9	4.1	9.3	9.3	11.5	12.3	13.1	11.1	9.3	7.3	4.0	2.9
Precipitation (mm)	37	62	7	27	25	36	24	53	23	33	31	35
Sunny days	10	2	18	15	20	14	18	19	20	22	17	12
Rainy days	11	8	4	12	11	16	13	12	10	9	11	11
Snow days	10	18	9	3	0	0	0	0	0	0	2	8

Castle Rock - weather forecast by months

Castle Rock weather in january Castle Rock weather in february Castle Rock weather in march Castle Rock weather in april Castle Rock weather in may Castle Rock weather in june Castle Rock weather in july Castle Rock weather in august Castle Rock weather in september Castle Rock weather in october Castle Rock weather in november Castle Rock weather in december

Best time to visit Castle Rock:

The best time to visit Castle Rock during the most sunny months:

May — 11.5(h)
June — 12.3(h)
July — 13.1(h)
August — 11.1(h)

Months with the longest average daylight duration in Castle Rock:

May — 15.8(h)
June — 16.7(h)
July — 16.3(h)

The largest precipitation sum in Castle Rock is at

February — 62(mm)

August — 53(mm)

Weather forecast in the closest to Castle Rock admin centers