Connecticut Climate and Average Weather
Climate of Connecticut: average temperatures, rainfall and seasons month by month.
Climate in Connecticut month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 34° | 20° | 3,8 in | ★★☆☆☆ |
| February | 37° | 20° | 2,3 in | ★★☆☆☆ |
| March | 51° | 32° | 5,9 in | ★★☆☆☆ |
| April | 60° | 41° | 3,8 in | ★★★☆☆ |
| May | 69° | 52° | 5,2 in | ★★★★☆ |
| June | 81° | 62° | 3,1 in | ★★★★☆ |
| July | 85° | 67° | 6,1 in | ★★★★☆ |
| August | 81° | 63° | 3,8 in | ★★★★☆ |
| September | 74° | 57° | 3,4 in | ★★★★☆ |
| October | 65° | 47° | 2,4 in | ★★★★☆ |
| November | 51° | 36° | 2,2 in | ★★★☆☆ |
| December | 41° | 27° | 5,2 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Recent extremes in Connecticut
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Connecticut compares with nearby places
Annual averages, and the difference against Connecticut.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Rhode Island | 65 mi | 52°F | about the same | 50 in |
| Providence | 65 mi | 52°F | about the same | 50 in |
| Newport | 73 mi | 52°F | about the same | 46 in |
| New York | 83 mi | 50°F | 33°F cooler | 48 in |
| The Bronx | 89 mi | 55°F | +35°F warmer | 48 in |
Best time to visit Connecticut
Go in June, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Connecticut
Today is much warmer than average for October. The forecast high of 80°F is 14.8°F above the 65°F typical for this month.
A 42% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 80°F.
What to pack, what to skip
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 69°F, so mornings feel nothing like afternoons
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Connecticut is a state in United States. Connecticut is a US state with its capital at Hartford. It has a population of about 3.6 million. The capital is Hartford.
Right now it is 65°F (18°C) in Connecticut with clear. It feels like 67°F. Today runs from 64°F to 80°F. Chance of precipitation is 42%. Sightseeing conditions score 8.7/10 - excellent - go now.
The best time to visit Connecticut is June, August, September and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 85°F, while February is the coldest with lows near 20°F.
The closest major airport is LaGuardia Airport (LGA), about 92 mi away. Nearby highlights include Central Park, Times Square, Empire State Building and Hudson River.
In plain terms. Today is much warmer than average for October. The forecast high of 80°F is 14.8°F above the 65°F typical for this month. The best window to be outside is roughly 8 AM to 11 AM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Connecticut today at 8.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Connecticut
| Type | State |
|---|---|
| Country | United States |
| Continent | North America |
| Coordinates | 41°45′56.9″N 72°40′24.2″W (41.7658, -72.6734) |
| Capital | Hartford |
| Population | 3.630.000 |
| Area | 5.543 sq mi |
| Abbreviation | CT |
| Time zone | America/New_York |
| Local time | 2:20 AM (UTC-04:00) |
| Best months | June, August, September and October |
| Climate | Continental |
Weather map for Connecticut
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Connecticut
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Connecticut?
Connecticut is a state in United States. Its coordinates are 41.7658, -72.6734. It lies in North America.
What is the weather like in Connecticut right now?
It is currently 65°F (18°C) with clear. Humidity is 90% and wind is 4 mph.
When is the best time to visit Connecticut?
June, August, September and October offer the most comfortable conditions in Connecticut, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Connecticut in?
Connecticut observes America/New_York (UTC-04:00). The local time is 2:20 AM.
How many people live in Connecticut?
Connecticut has a population of approximately 3.6 million.
What is the nearest airport to Connecticut?
The closest airports are LaGuardia Airport (LGA), 92 mi away, Boston Logan International Airport (BOS), 95 mi away and John F. Kennedy International Airport (JFK), 97 mi away.
What are the top things to do in Connecticut?
Popular options include Central Park, Times Square, Empire State Building, Hudson River, Statue of Liberty (UNESCO World Heritage Site) and Statue of Liberty.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 2, 2026 at 2:20 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
