Climate averages 1991–2020
Darhan weather
in October.
A cool, fairly dry month: the 7th warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Darhan: daytime highs average 8.6°C and nights cool to about -2.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 18 mm of rain on roughly 4 days, which makes October a fairly dry month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 49 min on an average October day.
The nearest other city in this atlas is Erdenet (143 km away). In October its highs average 6.3°C, 2.3°C cooler than Darhan, with 17 mm of rain.
Among the 3 cities listed in Mongolia, Darhan ranks 1st of 3 for the warmest October highs and 3rd of 3 for the driest October (rainfall, lowest first). The mean October high of those 3 cities is 7.1°C; Darhan is 1.5°C warmer than that mean.
From October to November, average highs fall by 11.0°C to -2.3°C, and monthly precipitation falls from 18 mm to 8.2 mm.
The annual picture
October in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Darhan climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -12.9°C-24.8°C | -24.8°C | 1.6 | 0.5 | 8.79 h |
| February | -6.8°C-21.4°C | -21.4°C | 2.5 | 0.7 | 10.110 h |
| March | 3.1°C-9.9°C | -9.9°C | 6.7 | 2.1 | 11.912 h |
| April | 11.9°C-1.6°C | -1.6°C | 18 | 4.2 | 13.714 h |
| May | 19.1°C4.5°C | 4.5°C | 33 | 6.3 | 15.315 h |
| June | 25.4°C12.6°C | 12.6°C | 51 | 8.3 | 16.216 h |
| July | 27.2°C15.9°C | 15.9°C | 68 | 10.7 | 15.816 h |
| August | 24.6°C13.4°C | 13.4°C | 78 | 10.4 | 14.414 h |
| September | 17.9°C6.2°C | 6.2°C | 39 | 7.4 | 12.713 h |
| October, selected | 8.6°C-2.3°C | -2.3°C | 18 | 3.9 | 10.811 h |
| November | -2.3°C-11.7°C | -11.7°C | 8.2 | 2.6 | 9.29 h |
| December | -10.8°C-20.6°C | -20.6°C | 4.1 | 1.5 | 8.28 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Erdenet in OctoberMongolia · 143 kmHigh 6.3°C · Low -3.4°C · 17 mm rain
- Ulan Bator in OctoberMongolia · 189 kmHigh 6.5°C · Low -4.1°C · 15 mm rain
- Ulan-Ude in OctoberRussia · 286 kmHigh 6.3°C · Low -2.6°C · 14 mm rain
- Irkutsk in OctoberRussia · 333 kmHigh 6.9°C · Low -1.8°C · 23 mm rain
- Angarsk in OctoberRussia · 369 kmHigh 6.6°C · Low -2.4°C · 18 mm rain
- Usol’ye-Sibirskoye in OctoberRussia · 396 kmHigh 6.4°C · Low -2.5°C · 18 mm rain
- Chita in OctoberRussia · 603 kmHigh 5.2°C · Low -3.9°C · 12 mm rain
- Bratsk in OctoberRussia · 793 kmHigh 3.6°C · Low -0.9°C · 27 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Darhan) is explained once on the Darhan year overview and on the Sources, method and limits page.