Columbia, MO weather in August
In August, Columbia sees highs around 88°F and lows around 67°F: hot and humid, with some rain. Rain falls on about 9 days. It is one of the warmest months in Columbia.
- Normal high
- 88°F
- Normal low
- 67°F
- Wet days
- 9
- 4.1 in total
- Muggy days
- 19
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 89°F | 85°F |
| Normal low | 68°F | 64°F |
| Chance of a wet day | 27% | 26% |
| Sunrise / sunset | 6:10 am / 8:21 pm | 6:37 am / 7:41 pm |
| Daylight | 14.2 h | 13.1 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical August day
- 6 am67°Fdew point 64°F
- 9 am77°Fdew point 66°F
- Noon83°Fdew point 66°F
- 3 pm85°Fdew point 65°F
- 6 pm81°Fdew point 66°F
- 9 pm73°Fdew point 66°F
NOAA hourly normals (local standard time) from Columbia Rgnl Airport (11 mi away); average wind 7 mph; clear or few clouds in 68% of daytime hours, mostly cloudy or overcast in 21%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
- Hot dayshigh 90°F or more11 of 31
- Muggy daysdaily mean dew point 65°F or more19 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in5 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 4.1 in; a dry August brings about 2.6 in and a wet one about 5.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202007: average high 95°F
- Coolest August2004: average high 80°F
- Wettest August2005: 10.2 in
- Driest August1998: 0.4 in
- Highest reading108°F (August 2, 2011)
- Lowest reading47°F (August 15, 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 | 89°F | 88°F | 80°F |
| Normal low | 69°F | 67°F | 58°F |
| Wet days | 9 | 9 | 7 |
| Comfortable days | 1 | 3 | 11 |
| Daylight | 14.6 h | 13.7 h | 12.4 h |
Highs change by -1°F from July and -8°F into September.
How Columbia ranks in August
- Normal high172nd warmest of 378 cities; 5th of 7 in Missouri
- Wet days177th driest of 378
- Comfortable days164th most of 341
What to pack for Columbia in August
- Light, breathable clothing – highs near 88°F and about 19 muggy days
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
August has 1 heating degree days and 379 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Columbia in August?
The normal high is 88°F and the normal low is 67°F. From 1991 to 2020 the hottest August reading was 108°F (August 2, 2011).
Does it rain a lot in Columbia in August?
About 9 days in August have at least 0.01 in of precipitation, and the normal total is 4.1 in. The wettest August in 1991-2020 was in 2005 (10.2 in); the driest was in 1998 (0.4 in).
Is August a good time to visit Columbia?
August ranks 7th of 12 months on our comfort score for Columbia (49 out of 100). It has about 3 comfortable days and about 11 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, humidity and wind by hour and cloud cover: Columbia Rgnl Airport (USW00003945), 11 mi SE of the city center, 893 ft (186 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Columbia U Of M (USC00231801), 1.0 mi SE of the city center, 770 ft (63 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Columbia Regional Airport (724450-03945), 11 mi SE of the city center, 893 ft (186 ft higher than the city). Hourly observations, 1991-2020.