Weather by month for central Mongolia, the best months to go and how Mongolia's regions differ, scored from 10 years of climate data.
May, Jun, Aug, Sep
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 19°C to 25°C · 3–8 rain days
Apr, Jul
Still good weather, just not quite the top months.
Highs 12°C to 27°C · 3–9 rain days
Jan, Feb, Mar, Oct, Nov, Dec
No months with tough weather, but these are only average.
Highs -10°C to 9°C · 1–2 rain days
Weather by month
Average highs and lows, rain days, sunshine and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Score |
|---|---|---|---|---|
| January | -10°C / -24°C | 1 day (2 mm) | 8.1 h/day | 4.9/10 |
| February | -5°C / -20°C | 1 day (2 mm) | 9.4 h/day | 4.8/10 |
| March | 5°C / -9°C | 1 day (4 mm) | 10.6 h/day | 4.8/10 |
| April | 12°C / -2°C | 3 days (9 mm) | 10.9 h/day | 6.7/10 |
| Best month: May | 19°C / 5°C | 3 days (13 mm) | 11.9 h/day | 9.4/10 |
| Best month: June | 25°C / 12°C | 5 days (21 mm) | 11.6 h/day | 8.9/10 |
| July | 27°C / 15°C | 9 days (50 mm) | 11.2 h/day | 7.8/10 |
| Best month: August | 24°C / 12°C | 8 days (54 mm) | 10.9 h/day | 8.5/10 |
| Best month: September | 19°C / 6°C | 5 days (18 mm) | 10.5 h/day | 9.0/10 |
| October | 9°C / -4°C | 2 days (8 mm) | 9.4 h/day | 5.1/10 |
| November | -1°C / -13°C | 1 day (3 mm) | 8.2 h/day | 4.8/10 |
| December | -9°C / -21°C | 1 day (3 mm) | 7.4 h/day | 4.6/10 |
Figures for central Mongolia; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
-10°C / -24°C · 1 rain days · 8.1 h sun
January is the coldest month. The average high is -10.2°C and lows drop to about -24°C. It is almost dry, with 0.5 rain days and 8.1 hours of sun a day. The score is 4.9, an 'ok' verdict, but for most travellers this is a hard month. Only go if you want deep winter and have the right cold-weather gear.
-5°C / -20°C · 1 rain days · 9.4 h sun
February stays very cold. The average high is -5°C and lows reach about -19.8°C. There is only 1 rain day on average and 9.4 hours of sun a day. It scores 4.8, an 'ok' verdict. The cold makes this a poor choice unless you are coming for winter itself.
5°C / -9°C · 1 rain days · 10.6 h sun
March starts to warm up, with an average high of 4.7°C. Nights are still well below freezing, at about -9.3°C. Expect 1.2 rain days and 10.6 hours of sun a day. The score is 4.8, an 'ok' verdict. The cold nights still make it a difficult time for most trips.
12°C / -2°C · 3 rain days · 10.9 h sun
April is the first 'good' month, with a score of 6.7. The average high is 12.3°C, but lows are about -1.9°C, so nights can freeze. There are 2.5 rain days and 10.9 hours of sun a day. It is a fair choice if you pack warm layers for the evenings.
19°C / 5°C · 3 rain days · 11.9 h sun
May has the highest score of the year, 9.4, and a 'best' verdict. Days reach about 18.9°C and nights about 4.5°C. It is dry, with 3.2 rain days, and it has the most sun of any month, 11.9 hours a day. Nights are still cool, so bring a warm jacket.
25°C / 12°C · 5 rain days · 11.6 h sun
June is a 'best' month with a score of 8.9. The average high is 24.6°C and lows are a mild 11.7°C. Rain increases to 5.4 days, but there are still 11.6 hours of sun a day. This is one of the most comfortable months to travel.
27°C / 15°C · 9 rain days · 11.2 h sun
July is the warmest month, with highs of 27°C and lows of 14.8°C. It is also the month with the most rain days, 8.6, bringing about 50 mm of rain. It still has a 'best' verdict, but its score of 7.8 is the lowest of the summer months because of the rain.
24°C / 12°C · 8 rain days · 10.9 h sun
August scores 8.5, a 'best' verdict. Highs are about 24.3°C and lows about 12.2°C. It has 7.6 rain days and the most rain by volume, about 54 mm. Expect some wet days, but there are still 10.9 hours of sun a day.
19°C / 6°C · 5 rain days · 10.5 h sun
September scores 9, the second-highest score of the year, with a 'best' verdict. Days are about 19°C and nights cool to 5.5°C. Rain drops to 4.8 days, with 10.5 hours of sun a day. It is a very good month, but pack warm clothes for the evenings.
9°C / -4°C · 2 rain days · 9.4 h sun
October turns cold fast. The average high is 9°C and lows fall to about -3.7°C, so nights freeze. It is dry, with 2 rain days and 9.4 hours of sun a day. The score drops to 5.1, an 'ok' verdict. Go early in the month if you can.
-1°C / -13°C · 1 rain days · 8.2 h sun
November is a poor time for most travellers. Highs are about -1.4°C and lows about -13.1°C, so even days stay near or below freezing. There are 1.2 rain days and 8.2 hours of sun a day. The score is 4.8, an 'ok' verdict, but the cold limits what you can do.
-9°C / -21°C · 1 rain days · 7.4 h sun
December has the lowest score of the year, 4.6. The average high is -9.3°C and lows are about -21.1°C. It has 1.1 rain days and the least sun of any month, 7.4 hours a day. Unless you want a winter trip, this is the worst month to go.
By trip type
City sightseeing
May, June, August and September suit city trips. Daytime highs reach about 19°C in May and September and 24–25°C in June and August. August is the wettest of these, with 54 mm of rain over about 8 days.
Hiking & nature
April, May, June and September are best for hiking. Rain is light, from 9 mm in April to 21 mm in June. April is cold, though. Highs reach only 12°C and nights drop to about -2°C, so pack warm layers.
Keep planning
FAQ
May and September are the best months to visit Mongolia. May scores 9.4 out of 10, with highs of 18.9°C, 3.2 rain days and 11.9 hours of sun a day. September scores 9, with highs of 19°C and 4.8 rain days. June and August also rate as best months. Nights stay cool in May and September, with lows of 4.5°C and 5.5°C, so pack warm layers.
Yes, July is a good time to visit, but it is the wettest part of the best season. It is the warmest month, with highs of 27°C. It also has the most rain days of the year, at 8.6, and 50 mm of rain. It scores 7.8, the lowest of the best months. For drier weather, choose May or September.
Only go in January if you are ready for extreme cold. The average high is -10.2°C and the low is -24°C. It is very dry, with 0.5 rain days and 2 mm of rain, and you get 8.1 hours of sun a day. January scores 4.9, and December is the lowest-scoring month at 4.6.
October is possible, but cold. The weather drops sharply after September. Highs fall to 9°C and lows to -3.7°C, compared with 19°C and 5.5°C in September. It is dry, with 2 rain days and 8 mm of rain. It scores 5.1, well below September's 9. If your dates are flexible, go in September instead.
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