Best year time to visit Grafton

General weather information about Grafton

Average annual temperature is 9.6 °C

Absolute maximum temperature: 28.7 °C

Absolute minimum temperature: -24.0 °C

Number of sunny days: 152 days

Number of rainy days: 185 days

Number of snow days: 28 days

Look at detailed online map of Grafton

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

Grafton air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	5.9	10.5	7.9	20.0	22.6	26.5	27.8	25.5	28.7	24.7	13.7	10.9
Average daytime temperature (°C)	1.7	2.5	3.6	11.6	16.3	21.6	25.0	23.2	21.5	15.3	7.3	4.9
Average temperature (°C)	-0.9	-2.0	0.4	7.2	12.2	18.4	21.6	19.9	18.0	12.6	4.3	2.5
Average night temperature (°C)	-3.5	-5.9	-2.5	3.4	8.1	15.1	18.1	16.7	14.8	10.0	1.2	0.3
Absolute minimum temperature (°C)	-12.0	-24.0	-8.5	-6.1	2.6	11.8	14.5	12.0	9.8	-0.1	-4.9	-7.3

Grafton 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	9.0
Daylight mean duration (h)	9.3	10.5	11.9	13.5	14.7	15.4	15.1	14.0	12.5	11.0	9.7	9.0
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	3.3	5.7	6.5	9.1	11.8	11.2	11.8	11.1	10.2	6.1	6.0	2.8
Precipitation (mm)	94	85	104	106	53	80	107	45	15	62	57	105
Sunny days	9	11	14	13	21	12	7	11	19	11	13	11
Rainy days	15	9	9	16	10	18	24	20	11	20	15	18
Snow days	7	8	8	1	0	0	0	0	0	0	2	2

Grafton - weather forecast by months

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

Best time to visit Grafton:

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

May — 11.8(h)
June — 11.2(h)
July — 11.8(h)
August — 11.1(h)
September — 10.2(h)

Months with the longest average daylight duration in Grafton:

June — 15.4(h)

The largest precipitation sum in Grafton is at

March — 104(mm)

April — 106(mm)

July — 107(mm)

December — 105(mm)

Weather forecast in the closest to Grafton admin centers