Best year time to visit Rockville

General weather information about Rockville

Average annual temperature is 7.4 °C

Absolute maximum temperature: 28.5 °C

Absolute minimum temperature: -25.7 °C

Number of sunny days: 152 days

Number of rainy days: 158 days

Number of snow days: 55 days

Look at detailed online map of Rockville

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

Rockville air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	2.3	5.0	4.3	24.6	25.4	28.2	28.5	27.0	27.2	24.3	11.7	8.9
Average daytime temperature (°C)	-1.6	-1.6	0.7	8.0	16.6	23.0	24.1	22.0	20.2	12.9	4.8	2.1
Average temperature (°C)	-4.2	-5.7	-2.6	3.4	11.1	18.1	20.0	18.3	16.6	10.3	2.2	0.1
Average night temperature (°C)	-6.4	-9.3	-5.5	0.1	6.4	13.6	16.7	15.3	13.7	8.3	-0.3	-1.8
Absolute minimum temperature (°C)	-16.7	-25.7	-12.4	-8.1	0.8	9.8	12.9	10.0	8.9	-0.4	-8.5	-8.8

Rockville monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.1	10.4	11.9	13.5	14.9	15.7	15.3	14.1	12.5	10.9	9.5	8.7
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	3.3	4.8	7.5	7.4	11.4	12.1	12.6	10.3	10.1	4.8	4.5	3.1
Precipitation (mm)	68	64	57	113	63	36	60	67	18	182	56	36
Sunny days	9	5	15	14	21	20	7	12	21	6	8	14
Rainy days	8	4	7	15	10	10	24	19	9	25	16	11
Snow days	14	19	9	1	0	0	0	0	0	0	6	6

Rockville - weather forecast by months

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Best time to visit Rockville:

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

May — 11.4(h)
June — 12.1(h)
July — 12.6(h)
August — 10.3(h)
September — 10.1(h)

Months with the longest average daylight duration in Rockville:

June — 15.7(h)
July — 15.3(h)

The largest precipitation sum in Rockville is at

April — 113(mm)

October — 182(mm)

Weather forecast in the closest to Rockville admin centers