Where to Go for Great Weather
When to go · Climate guide

Mongoliawhen to go

Mongolia's national averages run from -13 °C in January to 25 °C in July, with rainfall between 3 mm in January and 64 mm in July and 6.0–9.6 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are July, August and June. Its 22 regions span -0–13 °C in annual mean temperature, so the national figure hides a good deal.

Capital
Ulaanbaatar
Region
Asia
TZ
Asia/Ulaanbaatar
Area
1,564,521 km²
Best months to visit

When Mongolia shines

See every month →
  1. #1 · Mongolia
    July

    25 °C · 64 mm · 8.3 h sun

  2. #2 · Mongolia
    August

    23 °C · 56 mm · 8.1 h sun

  3. #3 · Mongolia
    June

    24 °C · 39 mm · 9.2 h sun

Climate at a glance · 10-year ERA5

A decade of weather, in one page

Temperature°C
Temperature · 12-month climatologyMongolia. Average daytime high by month in °C. Lowest in January (-12.9), highest in July (25.4). Monthly means: -12.9, -8.0, 2.6, 11.0, 17.5, 23.6, 25.4, 22.9, 17.7, 7.5, -3.3, -11.8.
— daytime high— overnight low▬ typical range
View data table
MonthAverage daytime high (°C)Average overnight low (°C)Typical lowTypical high
January-12.9-24.1-30.8-6.2
February-8.0-21.0-28.1-0.2
March2.6-10.7-18.610.8
April11.0-1.7-7.918.9
May17.55.0-1.025.0
June23.611.87.328.5
July25.414.611.629.5
August22.912.17.426.7
September17.75.4-0.724.2
October7.5-4.9-12.014.4
November-3.3-14.4-22.56.0
December-11.8-22.0-29.5-4.4
Rainfallmm
Rainfall · 12-month climatologyMongolia. Rainfall by month in mm. Lowest in January (3), highest in July (64). Monthly means: 3, 4, 9, 15, 25, 39, 64, 57, 31, 12, 9, 4.
View data table
MonthRainfall (mm)
January3
February4
March9
April15
May25
June39
July64
August57
September31
October12
November9
December4
Sunshinehr / day
Sunshine · 12-month climatologyMongolia. Sunshine hours by month in hr / day. Lowest in December (6.0), highest in May (9.6). Monthly means: 6.8, 8.4, 9.5, 9.6, 9.6, 9.2, 8.3, 8.1, 8.2, 7.8, 6.6, 6.0.
View data table
MonthSunshine hours (hr / day)
January6.8
February8.4
March9.5
April9.6
May9.6
June9.2
July8.3
August8.1
September8.2
October7.8
November6.6
December6.0
Windkm/h
Wind · 12-month climatologyMongolia. Average wind speed by month in km/h. Lowest in January (10.5), highest in May (14.1). Monthly means: 10.5, 10.8, 12.4, 13.7, 14.1, 11.8, 10.6, 10.5, 11.6, 11.4, 11.7, 10.9.
— average▬ typical range
View data table
MonthAverage wind speed (km/h)Typical lowTypical high
January10.57.214.8
February10.87.615.5
March12.48.618.5
April13.79.519.6
May14.19.719.5
June11.88.816.0
July10.68.114.3
August10.58.013.9
September11.68.415.8
October11.48.216.7
November11.78.016.7
December10.97.814.7
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Sea surface temperature

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Heat index

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Humidity

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What’s open · year round

Things to do in Mongolia

The single entry below runs to a calendar rather than standing open — it has a window, not opening hours.

Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.

22 regions

Mongolia, taken apart

Safety · 4 governments

What the governments say about Mongolia

Combined advisory · most-cautious-wins
Exercise increased caution
Highest level across 4 governments · Advisory last changed
See breakdown by country
AU

Exercise normal precautions

Changed Checked www.smartraveller.gov.au
DE

Exercise normal precautions

Changed Checked www.auswaertiges-amt.de
US

Exercise normal precautions

Changed Checked travel.state.gov
Month by month

A year in Mongolia, in order

  1. Jan
    January-12.9°C · 3 mm · 6.8 hr/day

    Around -13 °C with 3 mm of rain and 6.8 hours of sun a day.

    Around -13 °C with 3 mm of rain and 6.8 hours of sun a day.

    Open the January page →
  2. Feb
    February-8.0°C · 4 mm · 8.4 hr/day

    Around -8 °C with 4 mm of rain and 8.4 hours of sun a day.

    Around -8 °C with 4 mm of rain and 8.4 hours of sun a day.

    Open the February page →
  3. Mar
    March2.6°C · 9 mm · 9.5 hr/day

    Around 3 °C with 9 mm of rain and 9.5 hours of sun a day.

    Around 3 °C with 9 mm of rain and 9.5 hours of sun a day.

    Open the March page →
  4. Apr
    April11.0°C · 15 mm · 9.6 hr/day

    Around 11 °C with 15 mm of rain and 9.6 hours of sun a day.

    Around 11 °C with 15 mm of rain and 9.6 hours of sun a day.

    Open the April page →
  5. May
    May17.5°C · 25 mm · 9.6 hr/day

    Around 17 °C with 25 mm of rain and 9.6 hours of sun a day.

    Around 17 °C with 25 mm of rain and 9.6 hours of sun a day.

    Open the May page →
  6. Jun
    June23.6°C · 39 mm · 9.2 hr/day

    Around 24 °C with 39 mm of rain and 9.2 hours of sun a day.

    Around 24 °C with 39 mm of rain and 9.2 hours of sun a day.

    Open the June page →
  7. Jul
    July25.4°C · 64 mm · 8.3 hr/day

    Around 25 °C with 64 mm of rain and 8.3 hours of sun a day.

    Around 25 °C with 64 mm of rain and 8.3 hours of sun a day.

    Open the July page →
  8. Aug
    August22.9°C · 57 mm · 8.1 hr/day

    Around 23 °C with 56 mm of rain and 8.1 hours of sun a day.

    Around 23 °C with 56 mm of rain and 8.1 hours of sun a day.

    Open the August page →
  9. Sep
    September17.7°C · 31 mm · 8.2 hr/day

    Around 18 °C with 31 mm of rain and 8.2 hours of sun a day.

    Around 18 °C with 31 mm of rain and 8.2 hours of sun a day.

    Open the September page →
  10. Oct
    October7.5°C · 12 mm · 7.8 hr/day

    Around 7 °C with 12 mm of rain and 7.8 hours of sun a day.

    Around 7 °C with 12 mm of rain and 7.8 hours of sun a day.

    Open the October page →
  11. Nov
    November-3.3°C · 9 mm · 6.6 hr/day

    Around -3 °C with 9 mm of rain and 6.6 hours of sun a day.

    Around -3 °C with 9 mm of rain and 6.6 hours of sun a day.

    Open the November page →
  12. Dec
    December-11.8°C · 4 mm · 6.0 hr/day

    Around -12 °C with 4 mm of rain and 6.0 hours of sun a day.

    Around -12 °C with 4 mm of rain and 6.0 hours of sun a day.

    Open the December page →
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