New Haven: Geography and Climate
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New Haven Climate
New Haven, Connecticut, Climate:
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New Haven's climate features four distinct seasons. Winters are cold, with average high temperatures in the mid- to upper 30s and lows in the mid-20s. The average annual snowfall in New Haven is 26 inches. Summers are generally mild, with average daytime high temperatures in the upper 70s and low 80s and evening lows near 60 degrees. Precipitation is fairly evenly distributed throughout the year in New Haven, though February tends to be the driest month of the year.
Average Temperatures & Precipitation
Temperatures
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | |
| High | 35 | 39 | 47 | 59 | 70 | 79 | 84 | 82 | 74 | 63 | 52 | 40 |
| Low | 16 | 19 | 27 | 35 | 48 | 57 | 63 | 61 | 51 | 40 | 32 | 22 |
Precipitation
| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | |
| Inches | 4.6 | 3.2 | 4.7 | 4.6 | 4.7 | 4.4 | 4.3 | 4.5 | 4.7 | 4.5 | 4.5 | 4 |
Air Quality Index (AQI)
Days Recorded (2008): 274Median AQI: 36
Days in Good Range: 0.8
Days in Moderate Range: 0.19
Days in Unhealthy Range (Sensitive Groups): 0.01
Days in Unhealthy Range: 0
Air Quality Index (AQI)
Gale Guide to Cities of the United States:
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New Haven, Connecticut
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New Haven, located in south-central Connecticut, is situated at the head of New Haven Bay, on Long Island Sound, and at the mouth of the Quinnipiac, Mill, and West rivers. A major port city, New Haven is bounded by the New Haven Harbor on its southeast side and by the Merritt Parkway (Connecticut Route 15) on its northwest side. The downtown area near the harbor is flat land that rises gradually to rolling hills in the outlying areas of the city.
New Haven's climate is tempered by its location on Long Island Sound. Winters are milder, with less snow accumulation, than inland winters. Typically, summers are moderately warm and humid. Precipitation is evenly spread throughout the year, and heavy snow is unusual in the immediate coastal area.
| 18.85 square miles (2000) | |
| 33 feet above sea level | |
| January, 29.5° F; July, 74.0° F; annual average, 52.0° F | |
| 46.02 inches |
