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Weather in Connecticut for May 2027

Your guide to Connecticut weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Connecticut at the beginning of May is 18.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.7 °C by the end of May.

    • Rain 🌧️

  • The climate of Connecticut in May is notably wet, with an average of 13 rainy days, and a total of 264.3 mm of precipitation.

    • More

  • Is May a good time to visit Connecticut? check out the best time to travel to Connecticut page.

  • ✨ Is May a good time to visit Connecticut? – Ask the AI Weatherman

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/10°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Connecticut Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
17°
2
Light rain
21°
3
Light rain
19°
4
Light rain
17°
5
Heavy rain
16°
6
Heavy rain
18°
7
Light rain
19°
8
Light rain
17°
9
Heavy rain
15°
10
Patchy rain possible
18°
11
Patchy rain possible
16°
12
Sunny
16°
13
Patchy rain possible
17°
14
Light rain
19°
15
Light rain shower
19°
16
Moderate rain
20°
17
Patchy rain possible
24°
18
Partly cloudy
22°
19
Patchy rain possible
23°
20
Mist
24°
21
Light rain
19°
22
Heavy rain
19°
23
Moderate rain
18°
24
Light rain
18°
25
Patchy rain possible
22°
26
Patchy rain possible
24°
27
Light rain
23°
28
Overcast
22°
29
Thundery outbreaks possible
21°
30
Light rain
18°
31
Moderate rain
22°

What’s the Weather Like in Connecticut This May?

Discover the average temperatures and weather trends across Connecticut’s cities this May.
Patchy rain possibleHartford19 °C / 10 °CPatchy rain possibleNew Haven18 °C / 11 °CPatchy rain possibleBridgeport17 °C / 11 °CPatchy rain possibleNew London18 °C / 10 °CMore Locations

Temperatures trend during May in Connecticut

See the weather trend as well as the moving average line

May weather in Connecticut day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Patchy rain possible
Patchy rain possible
 17° /8° 0.1 mm 6
May 2 Light rain
Light rain
 21° /8° 2.8 mm 5
May 3 Light rain
Light rain
 19° /9° 2.9 mm 6
May 4 Light rain
Light rain
 17° /8° 2.9 mm 6
May 5 Heavy rain
Heavy rain
 16° /10° 30.1 mm 5
May 6 Heavy rain
Heavy rain
 18° /12° 41.4 mm 5
May 7 Light rain
Light rain
 19° /11° 4.1 mm 6
May 8 Light rain
Light rain
 17° /10° 3.8 mm 6
May 9 Heavy rain
Heavy rain
 15° /8° 48.7 mm 3
May 10 Patchy rain possible
Patchy rain possible
 18° /9° 0.7 mm 3
May 11 Patchy rain possible
Patchy rain possible
 16° /8° 0 mm 6
May 12 Sunny
Sunny
 16° /7° 0.2 mm 6
May 13 Patchy rain possible
Patchy rain possible
 17° /7° 0.6 mm 4
May 14 Light rain
Light rain
 19° /11° 5.1 mm 4
May 15 Light rain shower
Light rain shower
 19° /11° 0.9 mm 4
May 16 Moderate rain
Moderate rain
 20° /11° 13.1 mm 6
May 17 Patchy rain possible
Patchy rain possible
 24° /13° 0.8 mm 7
May 18 Partly cloudy
Partly cloudy
 22° /13° 0 mm 7
May 19 Patchy rain possible
Patchy rain possible
 23° /12° 0.2 mm 6
May 20 Mist
Mist
 24° /11° 0.9 mm 7
May 21 Light rain
Light rain
 19° /10° 7.6 mm 5
May 22 Heavy rain
Heavy rain
 19° /9° 32.7 mm 6
May 23 Moderate rain
Moderate rain
 18° /10° 21.5 mm 5
May 24 Light rain
Light rain
 18° /10° 8.8 mm 4
May 25 Patchy rain possible
Patchy rain possible
 22° /10° 1.3 mm 5
May 26 Patchy rain possible
Patchy rain possible
 24° /12° 0.3 mm 7
May 27 Light rain
Light rain
 23° /13° 4.5 mm 6
May 28 Overcast
Overcast
 22° /14° 0.1 mm 7
May 29 Thundery outbreaks possible
Thundery outbreaks possible
 21° /12° 5.2 mm 6
May 30 Light rain
Light rain
 18° /10° 3 mm 7
May 31 Moderate rain
Moderate rain
 22° /7° 20.1 mm 7
Next
Important Notice
Our weather forecast for Connecticut in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Connecticut forecast closer to your planned date for the most up-to-date weather information.
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Connecticut in May - FAQ

What are the expected maximum and minimum temperatures in Connecticut during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Connecticut during May?
Significant rainfall exceeding 264.3 mm is expected in Connecticut during May, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Connecticut during May?
The average wind speed in Connecticut during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Connecticut

Explore the daily rainfall trends and prepare for Connecticuts May weather 💧
Typically, Connecticut has 13 rainy days in May with a total of 264.3 mm of rainfall.

UV exposure in Connecticut during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Counties in Connecticut
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Fairfield CountyHartford CountyNew Haven CountyNew London County
Top locations in Connecticut
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BridgeportHartfordNew HavenNew London
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