Connecticut weather in August: Statewide normals and every place, NOAA 1991-2020
In August, Connecticut's statewide normal high is 81°F and normal low 60°F; normal highs run from 76°F in Norfolk to 83°F in Hartford (NOAA 1991-2020 normals).
- Statewide normal high
- 81°FAugust, 1991-2020
- Statewide normal low
- 60°FAugust, 1991-2020
- Statewide normal precipitation
- 4.17 inAugust
- Warmest place
- 83°Fnormal high, Hartford
- Coolest place
- 76°Fnormal high, Norfolk
Where is Connecticut warmest and wettest in August?
Hartford has the warmest August afternoons (83°F) and Norfolk the coolest (76°F). Norfolk gets the most precipitation (4.67 in) and Groton the least (3.32 in).
Statewide, August averaged 72.8°F in 2021, 74.5°F in 2022, 69.5°F in 2023, 70.0°F in 2024, 68.5°F in 2025, 71.6°F in 2026, against a 1991-2020 normal of 70.6°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Bridgeport | 82°F | 67°F | 3.98 | 0.0 |
| Stamford | 83°F | 63°F | 3.81 | 0.0 |
| New Haven | 81°F | 65°F | 3.55 | – |
| Hartford | 83°F | 62°F | 4.21 | 0.0 |
| Danbury | 80°F | 60°F | 4.62 | – |
| Meriden | 82°F | 61°F | 3.54 | – |
| Norwich | 83°F | 63°F | 4.41 | 0.0 |
| Ansonia | 82°F | 62°F | 4.56 | – |
| Willimantic | 81°F | 60°F | 4.37 | – |
| Storrs | 79°F | 61°F | 4.30 | 0.0 |
| Groton | 79°F | 64°F | 3.32 | – |
| Norfolk | 76°F | 58°F | 4.67 | 0.0 |
| Falls Village | 82°F | 57°F | 4.44 | – |
| Bakersville | 80°F | 56°F | 4.85 | 0.0 |
| Barkhamsted | 82°F | 58°F | 4.33 | 0.0 |
| Burlington | 82°F | 60°F | 5.14 | 0.0 |
| Hampton | 79°F | 58°F | 4.21 | – |
| Mount Carmel | 84°F | 62°F | 3.77 | – |
| Staffordville | 79°F | 58°F | 4.37 | – |
| West Thompson Lake | 80°F | 58°F | 4.24 | 0.0 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.