Billings weather in August: Billings, Montana: normal highs, lows, rain and records for August
Billings in August has a normal high of 86°F and a normal low of 58°F, a daily mean of 72°F, falling from 89°F on the 1st to 81°F by the 31st. Measurable precipitation falls on 6 days in a normal August, 0.87 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 14°C, 22 mm of precipitation in August.
- NOAA stationBillings International Airport
- Station IDUSW00024033
- Location45.81°N 108.54°W
- Elevation3,581 ft (1,092 m)
- From the center1 miles
- Population121,483
- Jan 36° 18°
- Feb 39° 20°
- Mar 49° 27°
- Apr 57° 35°
- May 67° 44°
- Jun 77° 52°
- Jul 87° 59°
- Aug 86° 58°
- Sep 74° 49°
- Oct 59° 37°
- Nov 46° 27°
- Dec 36° 19°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Billings in August?
The normal high is 86°F and the normal low 58°F, for a daily mean of 71.6°F. August is 1.7°F cooler than July and 10.2°F warmer than September. August is the 2nd warmest month of the year in Billings and the 8th wettest. Across the month the normal high falls 8°F, from 89°F on August 1 to 81°F on August 31. From one year to the next August's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 69°F and 74°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 22%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 89°F | 61°F | 22% | 8% |
| August 8 | 88°F | 60°F | 20% | 7% |
| August 15 | 86°F | 58°F | 20% | 7% |
| August 22 | 84°F | 56°F | 20% | 8% |
| August 31 | 81°F | 53°F | 21% | 9% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 89°F | 61°F | 22% | 8% | 14 h 50 min |
| August 2 | 89°F | 61°F | 21% | 8% | 14 h 50 min |
| August 3 | 89°F | 60°F | 21% | 8% | 14 h 40 min |
| August 4 | 89°F | 60°F | 21% | 8% | 14 h 40 min |
| August 5 | 89°F | 60°F | 21% | 8% | 14 h 40 min |
| August 6 | 89°F | 60°F | 21% | 8% | 14 h 40 min |
| August 7 | 88°F | 60°F | 20% | 8% | 14 h 30 min |
| August 8 | 88°F | 60°F | 20% | 7% | 14 h 30 min |
| August 9 | 88°F | 60°F | 20% | 7% | 14 h 30 min |
| August 10 | 88°F | 59°F | 20% | 7% | 14 h 30 min |
| August 11 | 88°F | 59°F | 20% | 7% | 14 h 20 min |
| August 12 | 87°F | 59°F | 20% | 7% | 14 h 20 min |
| August 13 | 87°F | 59°F | 20% | 7% | 14 h 20 min |
| August 14 | 87°F | 58°F | 20% | 7% | 14 h 10 min |
| August 15 | 86°F | 58°F | 20% | 7% | 14 h 10 min |
| August 16 | 86°F | 58°F | 20% | 7% | 14 h 10 min |
| August 17 | 86°F | 58°F | 20% | 7% | 14 h 10 min |
| August 18 | 86°F | 57°F | 20% | 7% | 14 h |
| August 19 | 85°F | 57°F | 20% | 7% | 14 h |
| August 20 | 85°F | 57°F | 20% | 7% | 14 h |
| August 21 | 85°F | 56°F | 20% | 8% | 13 h 50 min |
| August 22 | 84°F | 56°F | 20% | 8% | 13 h 50 min |
| August 23 | 84°F | 56°F | 20% | 8% | 13 h 50 min |
| August 24 | 84°F | 56°F | 20% | 8% | 13 h 50 min |
| August 25 | 83°F | 55°F | 20% | 8% | 13 h 40 min |
| August 26 | 83°F | 55°F | 20% | 8% | 13 h 40 min |
| August 27 | 83°F | 55°F | 20% | 8% | 13 h 40 min |
| August 28 | 82°F | 54°F | 20% | 8% | 13 h 30 min |
| August 29 | 82°F | 54°F | 20% | 9% | 13 h 30 min |
| August 30 | 82°F | 54°F | 20% | 9% | 13 h 30 min |
| August 31 | 81°F | 53°F | 21% | 9% | 13 h 20 min |
- Normal high
- 86°FAugust average
- Normal low
- 58°FAugust average
- Precipitation
- 0.87 inmonth total
- Days with precipitation
- 60.01 inch or more
- Days at 90°F or more
- 12
- Daylight
- 14 h 50 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 29
- Days at 80°F or more
- 24
- Sunshine
- 84%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024033; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Billings in August?
On a given August day the chance of 0.01 inch or more is 20% on average, highest around August 1 (22%). In all, 0.87 in falls on 6 days of a normal August.
In a normal August in Billings, 12 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024033.
How humid and windy is Billings in August?
At 3 p.m. the normal temperature is 80°F with 24% relative humidity and a dew point of 40°F; at 6 a.m. it is 57°F with 57% humidity. The wind averages 8.8 mph, most often from the north in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 57°F | 42°F | 57% | 8.8 mph | 62% |
| 9 a.m. | 64°F | 44°F | 48% | 8.6 mph | 67% |
| noon | 76°F | 42°F | 31% | 8.4 mph | 65% |
| 3 p.m. | 80°F | 40°F | 24% | 10.0 mph | 54% |
| 6 p.m. | 77°F | 41°F | 27% | 9.6 mph | 49% |
| 9 p.m. | 69°F | 41°F | 37% | 8.2 mph | 68% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024033. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in Billings?
The warmest August temperature on Billings's official record (since 1934) is 105°F, on August 5, 1961; the coldest is 35°F, on August 25, 1992. The wettest August brought 3.50 in (1965).
The August mean against the 1991-2020 normal of 71.6°F: 2021 70.7°F (−0.9), 2022 75.9°F (+4.3), 2023 73.3°F (+1.7), 2024 71.8°F (+0.2), 2025 72.5°F (+0.9), 2026 73.0°F (+1.4). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 70.7°F | −0.9°F | 2.44 in |
| 2022 | 75.9°F | +4.3°F | 0.47 in |
| 2023 | 73.3°F | +1.7°F | 1.29 in |
| 2024 | 71.8°F | +0.2°F | 0.90 in |
| 2025 | 72.5°F | +0.9°F | 0.79 in |
| 2026 | 73.0°F | +1.4°F | 0.87 in |
Source: records: ACIS, NWS threaded record BILthr; recent months: ACIS, station USW00024033. Records and recent months use complete months only.
How does August in Billings compare across Montana?
Across the 141 places PlainClimate covers in Montana, August normal highs run from 71°F in Cooke City to 90°F in Hardin; Billings's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.