Best year time to visit Grenville

General weather information about Grenville

Average annual temperature is 7.6 °C

Absolute maximum temperature: 33.7 °C

Absolute minimum temperature: -31.0 °C

Number of sunny days: 131 days

Number of rainy days: 184 days

Number of snow days: 50 days

Look at detailed online map of Grenville

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

Grenville air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.7	9.6	7.7	24.5	31.5	33.7	31.8	26.7	31.0	27.7	14.3	8.1
Average daytime temperature (°C)	-1.6	-2.1	3.1	12.5	19.4	23.9	26.2	23.5	22.7	15.7	4.7	1.5
Average temperature (°C)	-5.5	-7.4	-1.3	5.7	12.7	18.2	21.4	18.8	17.5	11.6	0.6	-1.8
Average night temperature (°C)	-9.4	-11.9	-5.2	0.4	6.4	13.1	17.5	15.0	13.4	8.5	-2.5	-4.7
Absolute minimum temperature (°C)	-20.8	-31.0	-11.8	-9.3	-0.3	7.9	13.0	10.4	7.7	-1.6	-9.4	-19.1

Grenville 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)	9.2	10.4	11.9	13.5	14.9	15.6	15.3	14.1	12.5	10.9	9.5	8.8
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)	3.2	5.1	6.1	7.9	10.8	10.1	11.1	9.9	9.8	5.2	5.0	2.8
Precipitation (mm)	108	78	69	106	81	101	159	159	56	137	56	107
Sunny days	8	4	9	14	20	7	4	10	21	9	12	13
Rainy days	8	9	14	16	11	23	27	21	9	22	11	13
Snow days	15	15	8	0	0	0	0	0	0	0	7	5

Grenville - weather forecast by months

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

Best time to visit Grenville:

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

May — 10.8(h)
June — 10.1(h)
July — 11.1(h)
August — 9.9(h)
September — 9.8(h)

Months with the longest average daylight duration in Grenville:

June — 15.6(h)
July — 15.3(h)

The largest precipitation sum in Grenville is at

July — 159(mm)

August — 159(mm)

October — 137(mm)

Weather forecast in the closest to Grenville admin centers