Weather in Onon in August 2026

General weather information about Onon

Average annual temperature is 1.3 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -32.2 °C

Number of sunny days: 225 days

Number of rainy days: 98 days

Number of snow days: 42 days

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	-3.5	6.3	19.4	16.6	24.2	32.5	33.9	32.5	30.3	16.2	2.4	-2.3
Average daytime temperature (°C)	-13.4	-4.6	1.5	6.6	17.2	23.0	24.3	21.6	17.3	10.3	-7.8	-13.7
Average temperature (°C)	-18.5	-11.1	-4.6	0.8	10.2	16.6	19.2	16.8	11.9	4.3	-12.1	-18.8
Average night temperature (°C)	-23.0	-16.6	-10.5	-4.5	3.2	10.4	14.4	12.3	7.2	-0.5	-16.2	-23.8
Absolute minimum temperature (°C)	-32.2	-21.2	-19.3	-10.8	-1.8	4.1	11.1	8.0	2.6	-7.4	-27.1	-32.1

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

Months with the longest average daylight duration in Onon:

The largest precipitation sum in Onon is at

June — 70(mm)

July — 90(mm)

August — 104(mm)

September — 57(mm)