Which is the hottest month in Connecticut?

The hottest time of year in Hartford, Connecticut is normally July. Expect maximum daytime temperatures to reach 28°C with moderate heat and humidity.

Best time to visit Connecticut

Q: When is the best time to visit Connecticut?

The best time to visit Connecticut (Hartford) is June, July and August based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Q: Which month has the most rain in Connecticut?

In terms of rainfall, May is usually the wettest month in Hartford, Connecticut with 101mm on average. There are normally 12 days in May with some rain.

Q: When is it sunniest in Connecticut?

The sunniest time of year in Hartford, Connecticut is normally July with bright sunshine on average for 63% of daylight hours; that's 9 hours of sunshine per day.

Find the best time to visit Connecticut and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Connecticut by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Top Connecticut destinations

Below are the temperatures expected today at popular countries, regions and places in Connecticut. Select a destination to compare today's forecast with average weather conditions.

All Connecticut destinations

When is the best time to visit Connecticut?

The best time to visit Connecticut (Hartford) is June, July and August based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
1.5
Feb
1.5
Mar
2
Apr
4
May
4.5
Jun
4.5
Jul
4.5
Aug
4
Sep
2
Oct
1
Nov
0.5
Dec

Change criteria

Max Day Temperature (°F)

34
Jan
36
Feb
46
Mar
59
Apr
70
May
79
Jun
82
Jul
82
Aug
73
Sep
64
Oct
52
Nov
37
Dec

Hours of Sunshine (daily)

6
Jan
6
Feb
7
Mar
8
Apr
8
May
9
Jun
9
Jul
9
Aug
7
Sep
6
Oct
5
Nov
5
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Connecticut (Hartford) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Connecticut

Explore our complete guide to Connecticut with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for Connecticut.

Essential travel guide
Travel guidance
Travel health
Travel features
Top travel deals
FAQs

Connecticut travel guide - essential info

Below is a beginner's guide to Connecticut with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.

Connecticut - quick facts
Flight time^✝	10.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes

Connecticut tourist information

Connecticut Office of Tourism

✝ = Typical flight time from the UK and visa requirements for UK travellers.

Travelling to Connecticut?
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Connecticut travel guidance

Check the latest travel guidance and advice on visiting Connecticut from official government sources (in english) from around the world including entry requirements and travel restrictions.

UK traveller advice for the Connecticut - UK FCDO
Irish traveller advice for the Connecticut - Department of Foreign Affairs, Ireland
Canadian travel advice for the Connecticut - Government of Canada
Safe travel advisories for the Connecticut - Ministry of Foreign Affairs, New Zealand
Smarter traveller advice for the Connecticut - Department of Foreign Affairs, Australia

Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around Connecticut.

Note: UK FCDO - UK Foreign, Commonwealth & Development Office

Connecticut travel health

Find out more about staying safe when travelling to Connecticut with the latest guidance on required vaccinations and recommended medication to take with you.

Vaccines & medicines for the Connecticut - CDC
Health & vaccinations for the Connecticut - TravelHealthPro, NaTHNac
How to stay safe & healthy in the Connecticut - Fit for Travel, Public Health Scotland

Check out the general travel tips for staying safe and healthy in Connecticut, risks of preventable diseases and what to pack.

Note: CDC - Centers for Disease Control and Prevention

Connecticut travel features

Do you want to learn more about Connecticut? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Connecticut.

We don't currently have any travel features on Connecticut. Discover more about holiday destinations around the world with this selection of general travel articles.

Connecticut FAQs

Read our frequently asked questions about travelling to Connecticut including the current entry restrictions, driving side, electrical plugs used and much more.

Which month has the most rain in Connecticut?

In terms of rainfall, January is usually the wettest month in Hartford, Connecticut with 0.0 inches on average. There are normally no days in January with some rain.

When is it sunniest in Connecticut?

The sunniest time of year in Hartford, Connecticut is normally January with bright sunshine on average for 0% of daylight hours; that's 0 hours of sunshine per day.

When is the sea warmest in Connecticut?

The sea is usually at its warmest in Hartford, Connecticut in January when the water temperature reaches 32°F.

What is the flight time to Connecticut from the UK?

The flight time to Connecticut from the UK is typically 10.5 hours.

What is the time difference between Connecticut and the UK?

The time difference between Connecticut and the UK is UK time-5 hours.

What is the main language spoken in Connecticut?

The main language spoken in Connecticut is English.

Learn a language for Connecticut with Rosetta Stone^*, Busuu^* and Rocket Languages^*.

What is the currency in Connecticut?

The currency in Connecticut is the US Dollar (USD).

Send money to Connecticut with TransferGo^*.

Which plugs are used in Connecticut?

Connecticut uses electrical plug type A + B (120 Volts).

Which side of the road do they drive on in Connecticut?

They drive on the right side of the road in Connecticut.

Find out more about driving in USA with International Drivers Association^*.

Do you need a visa for Connecticut?

Yes, UK passport holders do need a visa to enter Connecticut.

Check USA visa requirements for all passport holders with VisaHQ^*.

Connecticut travel deals

Holidays to Connecticut

Check out the latest deals, discount codes and special offers on holidays to Connecticut in 2025/2026. Pay low deposits and save with last minute holiday availability and free kids places.