Concord weather in August: Concord, New Hampshire: normal highs, lows, rain and records for August
Concord in August has a normal high of 82°F and a normal low of 57°F, a daily mean of 70°F, falling from 83°F on the 1st to 79°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 3.63 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 14°C, 92 mm of precipitation in August.
- NOAA stationConcord Municipal Airport
- Station IDUSW00014745
- Location43.20°N 71.50°W
- Elevation346 ft (106 m)
- From the center4 miles
- Population44,674
- Jan 32° 13°
- Feb 35° 15°
- Mar 44° 23°
- Apr 58° 33°
- May 69° 44°
- Jun 78° 54°
- Jul 83° 59°
- Aug 82° 57°
- Sep 74° 49°
- Oct 61° 38°
- Nov 48° 29°
- Dec 37° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Concord in August?
The normal high is 82°F and the normal low 57°F, for a daily mean of 69.5°F. August is 1.6°F cooler than July and 8.1°F warmer than September. August is the 2nd warmest month of the year in Concord and the 4th wettest. Across the month the normal high falls 4°F, from 83°F on August 1 to 79°F on August 31. From one year to the next August's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 68°F and 71°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 83°F | 59°F | 35% | 22% |
| August 8 | 83°F | 59°F | 34% | 21% |
| August 15 | 82°F | 58°F | 32% | 20% |
| August 22 | 81°F | 56°F | 31% | 19% |
| August 31 | 79°F | 54°F | 29% | 18% |
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 | 83°F | 59°F | 35% | 22% | 14 h 30 min |
| August 2 | 83°F | 59°F | 35% | 22% | 14 h 30 min |
| August 3 | 83°F | 59°F | 35% | 22% | 14 h 30 min |
| August 4 | 83°F | 59°F | 35% | 22% | 14 h 30 min |
| August 5 | 83°F | 59°F | 35% | 22% | 14 h 30 min |
| August 6 | 83°F | 59°F | 34% | 22% | 14 h 20 min |
| August 7 | 83°F | 59°F | 34% | 21% | 14 h 20 min |
| August 8 | 83°F | 59°F | 34% | 21% | 14 h 20 min |
| August 9 | 83°F | 58°F | 34% | 21% | 14 h 20 min |
| August 10 | 83°F | 58°F | 34% | 21% | 14 h 10 min |
| August 11 | 83°F | 58°F | 33% | 21% | 14 h 10 min |
| August 12 | 82°F | 58°F | 33% | 21% | 14 h 10 min |
| August 13 | 82°F | 58°F | 33% | 21% | 14 h 10 min |
| August 14 | 82°F | 58°F | 33% | 20% | 14 h |
| August 15 | 82°F | 58°F | 32% | 20% | 14 h |
| August 16 | 82°F | 57°F | 32% | 20% | 14 h |
| August 17 | 82°F | 57°F | 32% | 20% | 14 h |
| August 18 | 82°F | 57°F | 32% | 20% | 13 h 50 min |
| August 19 | 82°F | 57°F | 31% | 20% | 13 h 50 min |
| August 20 | 82°F | 57°F | 31% | 19% | 13 h 50 min |
| August 21 | 81°F | 57°F | 31% | 19% | 13 h 40 min |
| August 22 | 81°F | 56°F | 31% | 19% | 13 h 40 min |
| August 23 | 81°F | 56°F | 31% | 19% | 13 h 40 min |
| August 24 | 81°F | 56°F | 30% | 19% | 13 h 40 min |
| August 25 | 81°F | 56°F | 30% | 19% | 13 h 30 min |
| August 26 | 81°F | 56°F | 30% | 19% | 13 h 30 min |
| August 27 | 80°F | 55°F | 30% | 19% | 13 h 30 min |
| August 28 | 80°F | 55°F | 30% | 19% | 13 h 30 min |
| August 29 | 80°F | 55°F | 29% | 18% | 13 h 20 min |
| August 30 | 80°F | 55°F | 29% | 18% | 13 h 20 min |
| August 31 | 79°F | 54°F | 29% | 18% | 13 h 20 min |
- Normal high
- 82°FAugust average
- Normal low
- 57°FAugust average
- Precipitation
- 3.63 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 4
- Daylight
- 14 h 30 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 20
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014745; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Concord in August?
On a given August day the chance of 0.01 inch or more is 32% on average, highest around August 1 (35%). In all, 3.63 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Concord, 4 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014745.
How humid and windy is Concord in August?
At 3 p.m. the normal temperature is 78°F with 47% relative humidity and a dew point of 56°F; at 6 a.m. it is 57°F with 92% humidity. The wind averages 4.5 mph, most often from the west in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 57°F | 55°F | 92% | 2.1 mph | 60% |
| 9 a.m. | 68°F | 57°F | 68% | 5.1 mph | 67% |
| noon | 76°F | 56°F | 50% | 7.6 mph | 63% |
| 3 p.m. | 78°F | 56°F | 47% | 8.0 mph | 61% |
| 6 p.m. | 72°F | 57°F | 58% | 5.4 mph | 68% |
| 9 p.m. | 64°F | 58°F | 81% | 3.0 mph | 70% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014745. 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 Concord?
The warmest August temperature on Concord's official record (since 1868) is 101°F, on August 2, 1975; the coldest is 29°F, on August 31, 1965. The wettest August brought 10.67 in (2018).
The August mean against the 1991-2020 normal of 69.5°F: 2021 72.6°F (+3.1), 2022 73.5°F (+4.0), 2023 67.6°F (−1.9), 2024 68.4°F (−1.1), 2025 68.9°F (−0.6), 2026 71.9°F (+2.4). 3 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.6°F | +3.1°F | 3.36 in |
| 2022 | 73.5°F | +4.0°F | 3.54 in |
| 2023 | 67.6°F | −1.9°F | 4.49 in |
| 2024 | 68.4°F | −1.1°F | 5.36 in |
| 2025 | 68.9°F | −0.6°F | 1.18 in |
| 2026 | 71.9°F | +2.4°F | 1.69 in |
Source: records: ACIS, NWS threaded record CONthr; recent months: ACIS, station USW00014745. Records and recent months use complete months only.
How does August in Concord compare across New Hampshire?
Across the 28 places PlainClimate covers in New Hampshire, August normal highs run from 76°F in Colebrook to 83°F in Nashua; Concord's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.