NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
October - December 1978
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Connecticut (Hover over a County)
TempAverage Temperature:
Rank:
Anomaly:
Mean:
County | Value | Rank 130 Years | Anomaly | 1901- |
|---|---|---|---|---|
| Fairfield County | 42.2°F | 74 | 0.8°F | 41.4°F |
| Hartford County | 40.0°F | 55 | -0.1°F | 40.1°F |
| Litchfield County | 37.9°F | 58 | 0.0°F | 37.9°F |
| Middlesex County | 41.5°F | 60 | 0.2°F | 41.2°F |
| New Haven County | 41.6°F | 69 | 0.5°F | 41.2°F |
| New London County | 41.7°F | 63 | 0.4°F | 41.3°F |
| Tolland County | 39.3°F | 55 | -0.1°F | 39.4°F |
| Windham County | 39.7°F | 57 | 0.0°F | 39.7°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
