Mild
Average highs are around 20°C, so days are mild rather than hot.
Weather Guide
Mongolia Average Monthly Weather
Weather score47Mixed annual avg
Best months: July, June, August
Across the year, average daytime temperatures are around 5°C, sunshine averages 7.8h per day, and rainfall totals about 267mm. Sea temperatures average 0°C across the year.
Annual weather
Annual averages
Temp
5°C
Rain
267mm
Annual total
Sun
7.8h
Sea
0°C
Weather score
47
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 61mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.8h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 0°C, so the water can feel cool.
Map
Weather map
Compare Mongolia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August20°C average high
August is one of Mongolia's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
August61mm average rain
August is wetter than Mongolia's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.8 hours average sun
August is brighter than Mongolia's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August0°C average sea
August is close to Mongolia's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
August51 weather score
August scores above Mongolia's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMarch to August
These months have the strongest weather score in the monthly averages.