Climate Comfort Score
68/100
Good
NOAA 1991–2020 normals 52°F annual avg Public-domain federal data
New Haven Tweed, CT Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 52°F
- Avg annual temp
- 68/100
- Comfort score
- 41.8"
- Annual precip
- 193d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for New Haven Tweed
New Haven Tweed, Connecticut averages 52°F a year and scores 68/100 on the comfort index - good, milder than 58% of U.S. cities.
- 52°F
- average temperature, NOAA 1991-2020 normal
- 68/100
- comfort score, milder than 58% of U.S. cities
- 41.8"
- annual precipitation
- 193 days
- growing season, frost-free days
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
52°F (11°C)
Avg High
61°F
Avg Low
44°F
Annual Precip
41.8"
Comfort Score
68/100
Good
Avg Annual Temperature
52°F
30-year mean (NOAA NCEI)
Annual Precipitation
41.8"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (New Haven Tweed) 68.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the New Haven Tweed area.
How New Haven Tweed compares to every U.S. city
New Haven Tweed's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
68 Top 42% higher than 58% of 6,915 US cities
Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020
Warming context for New Haven Tweed
MethodologyThe chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For New Haven Tweed, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.
- United States land mean (NOAA NCEI) +0.11 °C/decade
- Global anomaly (NASA GISTEMP) +0.11 °C/decade
- Paris Agreement thresholds 1.5°C / 2.0°C
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 38°F (3°C) | 23°F (-5°C) | 31°F (-1°C) | 2.7" | 24.9 | 0.0 |
| February | 40°F (5°C) | 24°F (-5°C) | 32°F (0°C) | 2.8" | 23.4 | 0.0 |
| March | 47°F (8°C) | 30°F (-1°C) | 39°F (4°C) | 3.7" | 17.1 | 0.0 |
| April | 58°F (14°C) | 39°F (4°C) | 49°F (9°C) | 4.2" | 4.4 | 0.0 |
| May | 68°F (20°C) | 49°F (10°C) | 59°F (15°C) | 3.5" | 0.1 | 0.1 |
| June | 76°F (25°C) | 59°F (15°C) | 68°F (20°C) | 3.5" | 0.0 | 0.6 |
| July | 82°F (28°C) | 66°F (19°C) | 74°F (23°C) | 3.4" | 0.0 | 3.4 |
| August | 81°F (27°C) | 65°F (18°C) | 73°F (23°C) | 3.5" | 0.0 | 1.7 |
| September | 75°F (24°C) | 57°F (14°C) | 66°F (19°C) | 4.0" | 0.0 | 0.3 |
| October | 64°F (18°C) | 46°F (8°C) | 55°F (13°C) | 3.8" | 1.7 | 0.0 |
| November | 53°F (12°C) | 36°F (2°C) | 45°F (7°C) | 3.1" | 10.0 | 0.0 |
| December | 44°F (7°C) | 29°F (-2°C) | 36°F (2°C) | 3.5" | 20.7 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 2.7"
9.5 days with precipitation
February 2.8"
8.5 days with precipitation
March 3.7"
9.6 days with precipitation
April 4.2"
10.9 days with precipitation
May 3.5"
12.9 days with precipitation
June 3.5"
11.8 days with precipitation
July 3.4"
10.4 days with precipitation
August 3.5"
9.9 days with precipitation
September 4.0"
9.3 days with precipitation
October 3.8"
11.1 days with precipitation
November 3.1"
9.4 days with precipitation
December 3.5"
11.0 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
October 27
50% probability date
Last Spring Freeze
April 17
50% probability date
Growing Season
193 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
5,455
Higher = more heating needed
Cooling Degree Days
765
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What New Haven Tweed's climate means for you
New Haven Tweed runs 52°F a year - peaking in July, coldest in January.
- Gardeners get about 193 frost-free days, with the last spring freeze near April 17 - plan the planting calendar around it, not the regional average.
- Energy bills track 5,455 heating and 765 cooling degree days a year, higher means the furnace or AC runs more.
- Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings
These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.
Climate Guides
Climate Insight: New Haven Tweed, CT
New Haven Tweed, Connecticut runs an annual average of 52°F, ranging from a mean daily high of 61°F to a mean daily low of 44°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USW00014758, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. New Haven Tweed sees about 41.8 inches of precipitation a year, predominantly as rainfall. The frost-free season averages 193 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 17 and the first fall freeze near October 27. On the energy side, 5,455 heating degree days and 765 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, New Haven Tweed scores 68/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above are the practical planning tool: mild highs and lows land in the shoulder seasons, July-driven heat peaks in summer, and January-driven cold sets in over deep winter. These are thirty-year averages, not a forecast - any single year can run warmer, wetter, drier, or cooler than the normal.
Frequently Asked Questions
What is the average temperature in New Haven Tweed, CT? ▼
The average annual temperature in New Haven Tweed, Connecticut is 52°F. The warmest month averages 82°F (28°C) and the coldest averages 23°F (-5°C).
How much rain does New Haven Tweed get? ▼
New Haven Tweed receives 41.8 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for New Haven Tweed? ▼
New Haven Tweed has a climate comfort score of 68/100 (Good), milder than 58% of U.S. cities in the PlainClimate database.
When is the growing season in New Haven Tweed? ▼
New Haven Tweed has approximately 193 frost-free days per year, with the last spring freeze around April 17 and the first fall freeze around October 27.
How much energy does heating and cooling require in New Haven Tweed? ▼
New Haven Tweed has 5,455 heating degree days and 765 cooling degree days annually, a heating-dominated climate. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this New Haven Tweed climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00014758 near New Haven Tweed.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00014758. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial
Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.