Best year time to visit Dumbarton

General weather information about Dumbarton

Average annual temperature is 7.6 °C

Absolute maximum temperature: 33.4 °C

Absolute minimum temperature: -30.6 °C

Number of sunny days: 142 days

Number of rainy days: 183 days

Number of snow days: 40 days

Look at detailed online map of Dumbarton

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

Dumbarton air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	9.6	8.8	7.8	19.3	30.8	33.4	30.1	26.3	28.8	25.6	13.3	13.5
Average daytime temperature (°C)	1.4	-1.4	3.7	11.7	17.8	19.9	25.7	22.7	22.3	16.2	5.2	2.9
Average temperature (°C)	-2.8	-7.1	-0.7	6.2	11.3	15.3	21.0	18.2	17.0	11.7	0.7	-0.7
Average night temperature (°C)	-6.4	-12.4	-4.6	1.6	5.9	11.3	17.5	14.6	13.2	8.4	-2.7	-3.9
Absolute minimum temperature (°C)	-15.0	-30.6	-12.6	-6.4	1.1	4.0	13.7	10.3	6.8	-0.8	-8.7	-13.1

Dumbarton 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	11.0	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	9.0	8.0
Sunshine mean duration (h)	3.6	6.6	6.5	8.1	10.5	5.8	8.6	8.9	8.4	6.3	6.0	4.3
Precipitation (mm)	186	42	68	39	87	190	144	117	181	128	76	151
Sunny days	5	10	12	14	20	7	4	8	18	9	17	18
Rainy days	13	7	8	15	11	23	27	23	12	22	10	12
Snow days	13	11	11	1	0	0	0	0	0	0	3	1

Dumbarton - weather forecast by months

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

Best time to visit Dumbarton:

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

May — 10.5(h)
August — 8.9(h)

Months with the longest average daylight duration in Dumbarton:

June — 15.6(h)
July — 15.3(h)

The largest precipitation sum in Dumbarton is at

January — 186(mm)

June — 190(mm)

September — 181(mm)

December — 151(mm)

Weather forecast in the closest to Dumbarton admin centers