Billings, MT weather in August
Billings is warm in August, with some rain: highs average 85°F and nights drop to about 54°F. There are about 6 days with rain. This is the peak of the warm season in Billings.
- Normal high
- 85°F
- Normal low
- 54°F
- Wet days
- 6
- 0.9 in total
- Muggy days
- 0
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 88°F | 81°F |
| Normal low | 57°F | 50°F |
| Chance of a wet day | 21% | 20% |
| Sunrise / sunset | 5:57 am / 8:43 pm | 6:33 am / 7:54 pm |
| Daylight | 14.8 h | 13.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical August day
- 6 am60°Fdew point 45°F
- 9 am68°Fdew point 48°F
- Noon79°Fdew point 45°F
- 3 pm84°Fdew point 43°F
- 6 pm81°Fdew point 43°F
- 9 pm72°Fdew point 44°F
NOAA hourly normals (local standard time) from Billings Logan Intl Airport (3 mi away); average wind 9 mph; clear or few clouds in 59% of daytime hours, mostly cloudy or overcast in 18%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F4 of 31
- Hot dayshigh 90°F or more16 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow6 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 0.9 in; a dry August brings about 0.2 in and a wet one about 1.4 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How August varies from year to year
- Warmest August, 1991-20202001: average high 94°F
- Coolest August2018: average high 82°F
- Wettest August2010: 2.8 in
- Driest August2001: 0.01 in
- Highest reading104°F (August 4, 2001)
- Lowest reading33°F (August 25, 1992)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 86°F | 85°F | 75°F |
| Normal low | 56°F | 54°F | 45°F |
| Wet days | 8 | 6 | 7 |
| Comfortable days | 4 | 4 | 13 |
| Daylight | 15.3 h | 14.1 h | 12.5 h |
Highs change by -1°F from July and -10°F into September.
Nearby alternatives in August
- Cooler: Big Sky, MT143 mi · high 77°F · 11 wet days
How Billings ranks in August
- Normal high199th warmest of 378 cities; 1st of 6 in Montana
- Wet days116th driest of 378
- Comfortable days143rd most of 341
What to pack for Billings in August
- Light, breathable clothing – highs near 85°F
- Layers – afternoons near 85°F but nights near 54°F
- Sunglasses and sunscreen – about 14.1 hours of daylight and highs near 85°F
Heating and cooling
August has 31 heating degree days and 172 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Billings in August?
The normal high is 85°F and the normal low is 54°F. From 1991 to 2020 the hottest August reading was 104°F (most recently on August 4, 2001).
Does it rain a lot in Billings in August?
About 6 days in August have at least 0.01 in of precipitation, and the normal total is 0.9 in. The wettest August in 1991-2020 was in 2010 (2.8 in); the driest was in 2001 (0.01 in).
Is August a good time to visit Billings?
August ranks 8th of 12 months on our comfort score for Billings (52 out of 100). It has about 4 comfortable days and about 16 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature and frost dates: Billings WTP (USC00240802), 1.2 mi SE of the city center, 3,097 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall, snow depth, humidity and wind by hour and cloud cover: Billings Logan Intl Airport (USW00024033), 2.6 mi NW of the city center, 3,581 ft (459 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Billings Logan International Airport (726770-24033), 2.7 mi NW of the city center, 3,590 ft (468 ft higher than the city). Hourly observations, 1991-2020.