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Weather in Connecticut for May 2025

Your guide to Connecticut weather in May - trends and predictions
  • In general, the average temperature in Connecticut at the beginning of May is 15.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.3 °F by the end of May.

  • Expect significant rainfall in Connecticut during May, with an average of 16 rainy days.

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Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/10°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Connecticut in May average weather

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Temperatures trend during May in Connecticut

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Light drizzle
Light drizzle
13° /9° 2.3 mm 3
May 2 Cloudy
Cloudy
21° /9° 0 mm 5
May 3 Cloudy
Cloudy
14° /10° 0 mm 3
May 4 Patchy rain possible
Patchy rain possible
13° /8° 1.4 mm 3
May 5 Light rain
Light rain
10° /8° 17.3 mm 3
May 6 Light rain shower
Light rain shower
18° /10° 7.4 mm 4
May 7 Mist
Mist
20° /14° 0.4 mm 5
May 8 Light rain shower
Light rain shower
18° /13° 7 mm 4
May 9 Light rain shower
Light rain shower
18° /12° 4.9 mm 4
May 10 Light drizzle
Light drizzle
10° /8° 3.8 mm 3
May 11 Patchy rain possible
Patchy rain possible
12° /6° 0.2 mm 3
May 12 Light rain shower
Light rain shower
9° /7° 4 mm 2
May 13 Patchy rain possible
Patchy rain possible
15° /7° 0.3 mm 4
May 14 Light rain shower
Light rain shower
18° /11° 5.8 mm 4
May 15 Patchy rain possible
Patchy rain possible
18° /14° 0.5 mm 4
May 16 Moderate rain
Moderate rain
13° /12° 23.7 mm 3
May 17 Patchy rain possible
Patchy rain possible
19° /13° 0.2 mm 4
May 18 Partly cloudy
Partly cloudy
19° /11° 0 mm 5
May 19 Patchy rain possible
Patchy rain possible
18° /11° 0 mm 4
May 20 Moderate or heavy rain shower
Moderate or heavy rain shower
16° /12° 39.5 mm 4
May 21 Overcast
Overcast
20° /11° 2.5 mm 5
May 22 Patchy rain possible
Patchy rain possible
22° /13° 1.1 mm 5
May 23 Partly cloudy
Partly cloudy
20° /13° 6.2 mm 5
May 24 Sunny
Sunny
22° /12° 0.8 mm 6
May 25 Sunny
Sunny
20° /11° 0 mm 5
May 26 Sunny
Sunny
22° /12° 1.1 mm 6
May 27 Sunny
Sunny
20° /12° 7.1 mm 5
May 28 Sunny
Sunny
24° /14° 0 mm 6
May 29 Sunny
Sunny
22° /14° 3.3 mm 6
May 30 Sunny
Sunny
19° /11° 0.6 mm 5
May 31 Sunny
Sunny
22° /9° 0 mm 6
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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.

Connecticut in May - FAQ

What are the expected maximum and minimum temperatures in Connecticut during May?
Enjoy moderate daytime temperatures of up to 18° 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 137.5 mm is expected in Connecticut during May, occurring over more than 16 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 17 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 💧

UV exposure in Connecticut during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Connecticut?

Get accurate weather forecasts for Connecticut, located at latitude 41.179 and longitude -73.189. Stay updated with localized weather information tailored for Connecticut.

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