Climate averages 1991–2020
Billings weather
in October.
A mild, moderately wet month: the 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Billings: daytime highs average 15.1°C and nights cool to about 3.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 46 mm of rain on roughly 7 days, which makes October a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 59 min on an average October day.
The nearest other city in this atlas is Missoula (439 km away). In October its highs average 13.6°C, 1.6°C cooler than Billings, with 44 mm of rain.
Among the 498 cities listed in the United States, Billings ranks joint 452nd of 498 for the warmest October highs and joint 161st of 498 for the driest October (rainfall, lowest first). The mean October high of those 498 cities is 21.4°C; Billings is 6.2°C cooler than that mean.
From October to November, average highs fall by 7.7°C to 7.4°C, and monthly rainfall falls from 46 mm to 23 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
Billings climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.3°C-8.8°C | -8.8°C | 22 | 5.7 | 9.19 h |
| February | 3.5°C-7.6°C | -7.6°C | 20 | 6.1 | 10.310 h |
| March | 9.4°C-3.2°C | -3.2°C | 31 | 7.1 | 11.912 h |
| April | 13.9°C1.2°C | 1.2°C | 59 | 10.8 | 13.514 h |
| May | 19.6°C7.0°C | 7.0°C | 65 | 10.7 | 14.915 h |
| June | 24.9°C12.0°C | 12.0°C | 53 | 9.0 | 15.716 h |
| July | 30.7°C16.6°C | 16.6°C | 24 | 4.8 | 15.315 h |
| August | 30.0°C15.8°C | 15.8°C | 18 | 3.9 | 14.114 h |
| September | 23.7°C10.4°C | 10.4°C | 35 | 5.5 | 12.613 h |
| October, selected | 15.1°C3.3°C | 3.3°C | 46 | 7.2 | 11.011 h |
| November | 7.4°C-3.0°C | -3.0°C | 23 | 5.9 | 9.510 h |
| December | 1.8°C-7.5°C | -7.5°C | 20 | 5.5 | 8.79 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
- Missoula in OctoberUnited States · 439 kmHigh 13.6°C · Low 3.5°C · 44 mm rain
- Rapid City in OctoberUnited States · 456 kmHigh 14.9°C · Low 3.9°C · 50 mm rain
- Lethbridge in OctoberCanada · 542 kmHigh 11.9°C · Low 2.1°C · 28 mm rain
- Ogden in OctoberUnited States · 579 kmHigh 16.1°C · Low 5.0°C · 45 mm rain
- Regina in OctoberCanada · 593 kmHigh 9.4°C · Low 0.7°C · 33 mm rain
- Layton in OctoberUnited States · 595 kmHigh 15.9°C · Low 4.9°C · 43 mm rain
- Bismarck in OctoberUnited States · 603 kmHigh 12.7°C · Low 3.3°C · 45 mm rain
- Salt Lake City in OctoberUnited States · 622 kmHigh 17.0°C · Low 5.4°C · 45 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 Billings) is explained once on the Billings year overview and on the Sources, method and limits page.