Best year time to visit Union

General weather information about Union

Average annual temperature is 9.3 °C

Absolute maximum temperature: 32.7 °C

Absolute minimum temperature: -26.3 °C

Number of sunny days: 115 days

Number of rainy days: 216 days

Number of snow days: 34 days

Look at detailed online map of Union

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

Union air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	8.0	14.2	9.1	27.6	28.6	32.7	32.1	26.4	29.7	26.9	14.3	10.6
Average daytime temperature (°C)	1.2	2.3	3.8	14.3	18.3	24.1	26.3	23.7	22.5	15.8	6.9	4.4
Average temperature (°C)	-1.7	-3.2	-0.1	8.1	12.3	18.2	21.9	19.8	18.3	12.4	3.4	1.5
Average night temperature (°C)	-4.2	-7.6	-3.5	3.2	6.7	13.3	18.2	16.5	14.6	9.8	0.5	-0.9
Absolute minimum temperature (°C)	-11.9	-26.3	-9.8	-7.1	2.0	8.8	14.6	11.8	10.3	0.3	-5.0	-8.1

Union 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	14.8	15.5	15.1	14.0	12.5	11.0	9.6	8.9
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)	2.9	5.5	5.9	8.8	11.5	10.2	11.1	10.2	9.9	5.4	5.2	2.7
Precipitation (mm)	110	72	74	86	70	110	155	106	31	124	56	139
Sunny days	6	6	9	13	17	9	7	3	18	11	9	7
Rainy days	15	14	12	17	14	21	24	28	12	20	18	21
Snow days	10	8	10	0	0	0	0	0	0	0	3	3

Union - weather forecast by months

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Best time to visit Union:

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

May — 11.5(h)
June — 10.2(h)
July — 11.1(h)
August — 10.2(h)
September — 9.9(h)

Months with the longest average daylight duration in Union:

June — 15.5(h)

The largest precipitation sum in Union is at

July — 155(mm)

October — 124(mm)

December — 139(mm)

Weather forecast in the closest to Union admin centers