Weather in Bayan Sum in October

General weather information about Bayan Sum

Average annual temperature is 1.0 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: -37.9 °C

Number of sunny days: 244 days

Number of rainy days: 91 days

Number of snow days: 30 days

Look at detailed online map of Bayan Sum

* Weather data for Bayan Sum Mongolia is based on climate observations for 2026 year

Bayan Sum air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	-3.9	4.3	14.3	20.0	22.3	32.9	34.0	30.2	29.6	15.8	10.6	4.8
Average daytime temperature (°C)	-13.9	-6.7	3.7	6.8	15.7	24.7	23.5	22.8	17.4	10.2	-5.9	-12.0
Average temperature (°C)	-21.0	-14.8	-3.4	0.5	9.2	18.1	18.0	16.9	11.4	3.8	-10.7	-16.9
Average night temperature (°C)	-27.8	-22.4	-10.0	-5.4	2.7	11.3	12.9	11.4	5.7	-1.7	-14.8	-21.5
Absolute minimum temperature (°C)	-37.9	-27.4	-19.1	-13.0	-2.6	5.7	8.8	5.1	-2.4	-6.7	-23.0	-30.8

Bayan Sum 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)	9.0	10.3	11.9	13.6	15.1	15.8	15.5	14.2	12.6	10.9	9.4	8.6
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)	7.4	8.9	10.5	11.3	10.5	12.2	10.4	11.2	9.8	9.0	7.1	6.4
Precipitation (mm)	0	0	1	10	48	21	90	53	38	4	21	8
Sunny days	30	28	28	20	16	17	12	11	13	28	19	22
Rainy days	0	0	1	3	14	13	19	20	17	1	2	1
Snow days	1	0	2	7	1	0	0	0	0	2	9	8

Bayan Sum - weather forecast by months

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Best time to visit Bayan Sum:

The best time to visit Bayan Sum during the most sunny months:

June — 12.2(h)

Months with the longest average daylight duration in Bayan Sum:

June — 15.8(h)
July — 15.5(h)

The largest precipitation sum in Bayan Sum is at

May — 48(mm)

July — 90(mm)

August — 53(mm)

September — 38(mm)

Weather forecast in the closest to Bayan Sum admin centers