Best year time to visit Alton

General weather information about Alton

Average annual temperature is 8.1 °C

Absolute maximum temperature: 30.6 °C

Absolute minimum temperature: -26.5 °C

Number of sunny days: 141 days

Number of rainy days: 183 days

Number of snow days: 41 days

Look at detailed online map of Alton

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

Alton air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	5.3	10.8	8.3	26.5	29.6	30.2	29.3	27.2	30.6	27.4	12.9	11.1
Average daytime temperature (°C)	0.0	1.4	2.8	13.2	18.8	23.1	25.4	22.8	21.5	14.2	5.6	3.3
Average temperature (°C)	-2.6	-4.1	-1.6	7.0	12.3	17.6	20.0	17.9	16.2	10.5	1.9	0.8
Average night temperature (°C)	-5.0	-8.5	-5.2	2.0	6.8	13.0	15.7	13.9	12.4	7.7	-1.3	-1.4
Absolute minimum temperature (°C)	-14.9	-26.5	-11.3	-9.0	-0.7	8.7	11.9	8.8	5.7	-2.4	-8.1	-6.7

Alton 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	13.4	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)	2.4	6.1	6.3	8.1	11.1	11.1	11.4	10.2	9.8	5.5	5.2	2.3
Precipitation (mm)	77	78	112	108	58	141	115	70	33	57	47	90
Sunny days	9	12	10	9	21	15	3	10	17	10	13	12
Rainy days	12	7	9	18	10	15	28	21	13	20	13	17
Snow days	10	9	12	3	0	0	0	0	0	1	4	2

Alton - weather forecast by months

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

Best time to visit Alton:

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

May — 11.1(h)
June — 11.1(h)
July — 11.4(h)
August — 10.2(h)
September — 9.8(h)

Months with the longest average daylight duration in Alton:

June — 15.4(h)

The largest precipitation sum in Alton is at

March — 112(mm)

April — 108(mm)

June — 141(mm)

July — 115(mm)

Weather forecast in the closest to Alton admin centers