Nashua weather in August: Nashua, New Hampshire: normal highs, lows, rain and records for August
Nashua in August has a normal high of 83°F and a normal low of 60°F, a daily mean of 71°F, falling from 84°F on the 1st to 81°F by the 31st. The month brings 3.71 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 15°C, 94 mm of precipitation in August.
- NOAA stationNashua Cwsu
- Station IDUSC00275703
- Location42.73°N 71.48°W
- Elevation180 ft (55 m)
- From the center1 miles
- Population91,851
- Jan 35° 14°
- Feb 38° 16°
- Mar 45° 24°
- Apr 58° 35°
- May 69° 46°
- Jun 79° 56°
- Jul 85° 62°
- Aug 83° 60°
- Sep 75° 52°
- Oct 62° 39°
- Nov 51° 29°
- Dec 40° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Nashua in August?
The normal high is 83°F and the normal low 60°F, for a daily mean of 71.2°F. August is 1.9°F cooler than July and 7.5°F warmer than September. August is the 2nd warmest month of the year in Nashua and the 8th wettest. Across the month the normal high falls 3°F, from 84°F on August 1 to 81°F on August 31.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 84°F | 61°F | – | – |
| August 8 | 84°F | 61°F | – | – |
| August 15 | 83°F | 60°F | – | – |
| August 22 | 82°F | 59°F | – | – |
| August 31 | 81°F | 58°F | – | – |
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 | 84°F | 61°F | – | – | 14 h 30 min |
| August 2 | 84°F | 61°F | – | – | 14 h 30 min |
| August 3 | 84°F | 61°F | – | – | 14 h 30 min |
| August 4 | 84°F | 61°F | – | – | 14 h 30 min |
| August 5 | 84°F | 61°F | – | – | 14 h 20 min |
| August 6 | 84°F | 61°F | – | – | 14 h 20 min |
| August 7 | 84°F | 61°F | – | – | 14 h 20 min |
| August 8 | 84°F | 61°F | – | – | 14 h 20 min |
| August 9 | 84°F | 61°F | – | – | 14 h 10 min |
| August 10 | 83°F | 61°F | – | – | 14 h 10 min |
| August 11 | 83°F | 60°F | – | – | 14 h 10 min |
| August 12 | 83°F | 60°F | – | – | 14 h 10 min |
| August 13 | 83°F | 60°F | – | – | 14 h |
| August 14 | 83°F | 60°F | – | – | 14 h |
| August 15 | 83°F | 60°F | – | – | 14 h |
| August 16 | 83°F | 60°F | – | – | 14 h |
| August 17 | 83°F | 60°F | – | – | 13 h 50 min |
| August 18 | 83°F | 60°F | – | – | 13 h 50 min |
| August 19 | 83°F | 60°F | – | – | 13 h 50 min |
| August 20 | 82°F | 59°F | – | – | 13 h 50 min |
| August 21 | 82°F | 59°F | – | – | 13 h 40 min |
| August 22 | 82°F | 59°F | – | – | 13 h 40 min |
| August 23 | 82°F | 59°F | – | – | 13 h 40 min |
| August 24 | 82°F | 59°F | – | – | 13 h 40 min |
| August 25 | 82°F | 59°F | – | – | 13 h 30 min |
| August 26 | 82°F | 58°F | – | – | 13 h 30 min |
| August 27 | 81°F | 58°F | – | – | 13 h 30 min |
| August 28 | 81°F | 58°F | – | – | 13 h 20 min |
| August 29 | 81°F | 58°F | – | – | 13 h 20 min |
| August 30 | 81°F | 58°F | – | – | 13 h 20 min |
| August 31 | 81°F | 58°F | – | – | 13 h 20 min |
- Normal high
- 83°FAugust average
- Normal low
- 60°FAugust average
- Precipitation
- 3.71 inmonth total
- Days at 90°F or more
- 7
- Daylight
- 14 h 30 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 25
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00275703; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Nashua in August?
In a normal August in Nashua, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00275703.
What are the records for August in Nashua?
The August mean against the 1991-2020 normal of 71.2°F: 2021 73.1°F (+1.9), 2022 75.7°F (+4.5), 2023 69.2°F (−2.0), 2024 69.9°F (−1.3), 2025 69.5°F (−1.8), 2026 72.6°F (+1.4). 3 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 73.1°F | +1.9°F | 4.14 in |
| 2022 | 75.7°F | +4.5°F | 2.10 in |
| 2023 | 69.2°F | −2.0°F | 5.00 in |
| 2024 | 69.9°F | −1.3°F | 4.71 in |
| 2025 | 69.5°F | −1.8°F | 4.02 in |
| 2026 | 72.6°F | +1.4°F | 4.36 in |
Source: recent months: ACIS, station USC00275703. Records and recent months use complete months only.
How does August in Nashua 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; Nashua's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.