Climate normals · 1970–2000
New Haven Climate
New Haven is a city in United States (CT) with a population of about 130,322. Its average annual temperature is 10.8°C (51°F), with roughly 1180 mm of rain per year.
10.8°C
Avg Temp
1180
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
New Haven Climate
New Haven has an average annual temperature of 10.8°C (51°F) and receives about 1180 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.8°C
Avg Temp
1180
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 29° | 95 mm |
| February | -1° / 31° | 87 mm |
| March | 4° / 39° | 104 mm |
| April | 9° / 49° | 107 mm |
| May | 15° / 59° | 104 mm |
| June | 20° / 68° | 94 mm |
| July | 23° / 74° | 96 mm |
| August | 22° / 72° | 98 mm |
| September | 18° / 64° | 94 mm |
| October | 12° / 53° | 94 mm |
| November | 7° / 44° | 105 mm |
| December | 1° / 34° | 102 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit New Haven
The most comfortable months to visit New Haven are typically June, August and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -6°C low). April is usually the wettest month.
Where to stay near New Haven
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Frequently Asked Questions
The most comfortable months to visit New Haven are typically June, August and July, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
New Haven, United States has an average annual temperature of 10.8°C and about 1180 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in New Haven average about 29°C (84°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.