Martinsville weather in August: Martinsville, Virginia: normal highs, lows, rain and records for August
Martinsville in August has a normal high of 86°F and a normal low of 63°F, a daily mean of 74°F, falling from 87°F on the 1st to 84°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 4.17 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 17°C, 106 mm of precipitation in August.
- NOAA stationMartinsville Filter Plant
- Station IDUSC00445300
- Location36.70°N 79.87°W
- Elevation780 ft (238 m)
- Population13,834
- Jan 48° 24°
- Feb 52° 26°
- Mar 60° 32°
- Apr 71° 40°
- May 78° 50°
- Jun 85° 59°
- Jul 88° 64°
- Aug 86° 63°
- Sep 80° 56°
- Oct 71° 43°
- Nov 60° 32°
- Dec 51° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Martinsville in August?
The normal high is 86°F and the normal low 63°F, for a daily mean of 74.2°F. August is 1.8°F cooler than July and 6.6°F warmer than September. August is the 2nd warmest month of the year in Martinsville and the 4th wettest. Across the month the normal high falls 3°F, from 87°F on August 1 to 84°F on August 31. From one year to the next August's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 72°F and 76°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 87°F | 64°F | 36% | 23% |
| August 8 | 87°F | 64°F | 34% | 22% |
| August 15 | 86°F | 63°F | 33% | 22% |
| August 22 | 85°F | 62°F | 31% | 20% |
| August 31 | 84°F | 60°F | 30% | 19% |
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 | 87°F | 64°F | 36% | 23% | 14 h |
| August 2 | 87°F | 64°F | 35% | 23% | 14 h |
| August 3 | 87°F | 64°F | 35% | 23% | 14 h |
| August 4 | 87°F | 64°F | 35% | 23% | 14 h |
| August 5 | 87°F | 64°F | 35% | 23% | 14 h |
| August 6 | 87°F | 64°F | 35% | 23% | 13 h 50 min |
| August 7 | 87°F | 64°F | 34% | 22% | 13 h 50 min |
| August 8 | 87°F | 64°F | 34% | 22% | 13 h 50 min |
| August 9 | 87°F | 64°F | 34% | 22% | 13 h 50 min |
| August 10 | 87°F | 64°F | 34% | 22% | 13 h 50 min |
| August 11 | 87°F | 63°F | 34% | 22% | 13 h 40 min |
| August 12 | 86°F | 63°F | 34% | 22% | 13 h 40 min |
| August 13 | 86°F | 63°F | 33% | 22% | 13 h 40 min |
| August 14 | 86°F | 63°F | 33% | 22% | 13 h 40 min |
| August 15 | 86°F | 63°F | 33% | 22% | 13 h 40 min |
| August 16 | 86°F | 63°F | 33% | 21% | 13 h 30 min |
| August 17 | 86°F | 63°F | 32% | 21% | 13 h 30 min |
| August 18 | 86°F | 63°F | 32% | 21% | 13 h 30 min |
| August 19 | 86°F | 62°F | 32% | 21% | 13 h 30 min |
| August 20 | 86°F | 62°F | 32% | 21% | 13 h 30 min |
| August 21 | 86°F | 62°F | 31% | 20% | 13 h 20 min |
| August 22 | 85°F | 62°F | 31% | 20% | 13 h 20 min |
| August 23 | 85°F | 62°F | 31% | 20% | 13 h 20 min |
| August 24 | 85°F | 62°F | 31% | 20% | 13 h 20 min |
| August 25 | 85°F | 62°F | 30% | 20% | 13 h 20 min |
| August 26 | 85°F | 61°F | 30% | 20% | 13 h 10 min |
| August 27 | 85°F | 61°F | 30% | 20% | 13 h 10 min |
| August 28 | 85°F | 61°F | 30% | 19% | 13 h 10 min |
| August 29 | 84°F | 61°F | 30% | 19% | 13 h 10 min |
| August 30 | 84°F | 61°F | 30% | 19% | 13 h |
| August 31 | 84°F | 60°F | 30% | 19% | 13 h |
- Normal high
- 86°FAugust average
- Normal low
- 63°FAugust average
- Precipitation
- 4.17 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 8
- Daylight
- 14 h to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00445300; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Martinsville in August?
On a given August day the chance of 0.01 inch or more is 32% on average, highest around August 1 (36%). In all, 4.17 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Martinsville, 8 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00445300.
What are the records for August in Martinsville?
The warmest August temperature on this station's record (since 1937) is 105°F, on August 2, 1942; the coldest is 41°F, on August 30, 1965. The wettest August brought 11.09 in (1940).
The August mean against the 1991-2020 normal of 74.2°F: 2021 76.5°F (+2.3), 2022 74.5°F (+0.3), 2023 73.9°F (−0.3), 2024 74.3°F (+0.1), 2025 71.3°F (−2.9), 2026 76.2°F (+2.0). 4 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 76.5°F | +2.3°F | 3.16 in |
| 2022 | 74.5°F | +0.3°F | 8.87 in |
| 2023 | 73.9°F | −0.3°F | 5.80 in |
| 2024 | 74.3°F | +0.1°F | 6.86 in |
| 2025 | 71.3°F | −2.9°F | 4.02 in |
| 2026 | 76.2°F | +2.0°F | 3.58 in |
Source: records: ACIS, station USC00445300; recent months: ACIS, station USC00445300. Records and recent months use complete months only.
How does August in Martinsville compare across Virginia?
Across the 81 places PlainClimate covers in Virginia, August normal highs run from 79°F in Floyd to 90°F in Chesapeake; Martinsville's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Martinsville in July88°F by day, 64°F at night
- Martinsville in September80°F by day, 56°F at night
- Martinsville through the yearEvery month, frost dates, records and recent years
- Virginia in AugustThe statewide normal and the warmest and coolest places
- Chesapeake: Virginia's warmest Augustnormal high 90°F