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Weather in Connecticut for May 2025

Your guide to Connecticut weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Connecticut at the beginning of May is 18.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.7 °F by the end of May.

  • Rain 🌧️

  • The climate of Connecticut in May is notably wet, with an average of 12 rainy days, and a total of 88.6 mm of precipitation.

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Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/10°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Connecticut Weather May

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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

Click on a date for more information
Date Weather Temperatures Rain UV More
May 1 Patchy rain possible
Patchy rain possible
17° /10° 0.3 mm 4
May 2 Patchy rain possible
Patchy rain possible
23° /7° 0 mm 5
May 3 Overcast
Overcast
18° /9° 0 mm 4
May 4 Overcast
Overcast
18° /7° 0 mm 4
May 5 Light rain shower
Light rain shower
9° /8° 15.6 mm 2
May 6 Light rain shower
Light rain shower
21° /10° 9.3 mm 5
May 7 Fog
Fog
24° /11° 0 mm 5
May 8 Light rain shower
Light rain shower
17° /13° 8.4 mm 4
May 9 Light rain shower
Light rain shower
19° /10° 4.1 mm 4
May 10 Patchy rain possible
Patchy rain possible
15° /8° 1.4 mm 3
May 11 Patchy rain possible
Patchy rain possible
13° /5° 0.1 mm 3
May 12 Patchy rain possible
Patchy rain possible
11° /6° 0.6 mm 3
May 13 Patchy rain possible
Patchy rain possible
16° /5° 0.1 mm 4
May 14 Light rain shower
Light rain shower
23° /9° 4.7 mm 5
May 15 Light rain shower
Light rain shower
21° /13° 2.1 mm 5
May 16 Moderate rain
Moderate rain
14° /12° 14.8 mm 3
May 17 Patchy rain possible
Patchy rain possible
22° /11° 0.1 mm 5
May 18 Partly cloudy
Partly cloudy
21° /10° 0 mm 6
May 19 Patchy rain possible
Patchy rain possible
19° /10° 0 mm 4
May 20 Mist
Mist
25° /9° 0 mm 6
May 21 Partly cloudy
Partly cloudy
27° /11° 0 mm 7
May 22 Patchy rain possible
Patchy rain possible
30° /13° 3.6 mm 7
May 23 Patchy light rain with thunder
Patchy light rain with thunder
27° /15° 5.8 mm 6
May 24 Sunny
Sunny
27° /14° 0.8 mm 7
May 25 Sunny
Sunny
26° /11° 0 mm 7
May 26 Patchy rain possible
Patchy rain possible
28° /14° 0.8 mm 6
May 27 Light rain shower
Light rain shower
20° /15° 13.2 mm 5
May 28 Patchy rain possible
Patchy rain possible
26° /16° 0.4 mm 6
May 29 Thundery outbreaks possible
Thundery outbreaks possible
24° /12° 1.9 mm 5
May 30 Overcast
Overcast
20° /11° 0.5 mm 5
May 31 Partly cloudy
Partly cloudy
22° /6° 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 21° 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?
Moderate rainfall is anticipated in Connecticut during May, with a total of 88.6 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Connecticut during May?
The average wind speed in Connecticut during May is 13 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 41.764 and longitude -72.685. Stay updated with localized weather information tailored for Connecticut.

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