Connecticut (Hartford)
May
Weather in Connecticut for May 2025
Your guide to Connecticut weather in May - trends and predictions
The forecast for the first days of May 2025 in Connecticut predicts a temperature of 19.1 °F, which is slightly above the historical average.
In general, the average temperature in Connecticut at the beginning of May is 17.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.7 °F by the end of May.
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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Temperatures
Rain 🌧️
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19
Dry days
12
Rainy days
0
Snow days
21°/10°
Temperatures
13 km/h
Avg max wind
75 %
Avg humidity
Connecticut Weather May
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  20° | 2  19° | 3 21° | ||||
| 4 23° | 5  18° | 6  10° | 7  13° | 8 20° | 9 19° | 10 15° |
| 11 13° | 12 11° | 13 16° | 14 23° | 15 21° | 16 14° | 17 22° |
| 18 21° | 19 19° | 20  25° | 21 27° | 22 30° | 23  27° | 24 27° |
| 25 26° | 26 28° | 27 20° | 28 26° | 29  24° | 30 20° | 31 22° |
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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 | Sunny | 20° /7° | 0 mm | 4 | |
| May 2 | Overcast | 19° /9° | 0 mm | 3 | |
| May 3 | Sunny | 21° /10° | 0 mm | 4 | |
| May 4 | Sunny | 23° /8° | 0 mm | 4 | |
| May 5 | Partly cloudy | 18° /9° | 0 mm | 4 | |
| May 6 | Moderate rain | 10° /8° | 6.8 mm | 2 | |
| May 7 | Patchy rain possible | 13° /8° | 1.1 mm | 2 | |
| May 8 | Patchy rain possible | 20° /6° | 0.6 mm | 3 | |
| May 9 | Light rain shower | 19° /10° | 4.1 mm | 4 | |
| May 10 | Patchy rain possible | 15° /8° | 1.4 mm | 3 | |
| May 11 | Patchy rain possible | 13° /5° | 0.1 mm | 3 | |
| May 12 | Patchy rain possible | 11° /6° | 0.6 mm | 3 | |
| May 13 | Patchy rain possible | 16° /5° | 0.1 mm | 4 | |
| May 14 | Light rain shower | 23° /9° | 4.7 mm | 5 | |
| May 15 | Light rain shower | 21° /13° | 2.1 mm | 5 | |
| May 16 | Moderate rain | 14° /12° | 14.8 mm | 3 | |
| May 17 | Patchy rain possible | 22° /11° | 0.1 mm | 5 | |
| May 18 | Partly cloudy | 21° /10° | 0 mm | 6 | |
| May 19 | Patchy rain possible | 19° /10° | 0 mm | 4 | |
| May 20 | Mist | 25° /9° | 0 mm | 6 | |
| May 21 | Partly cloudy | 27° /11° | 0 mm | 7 | |
| May 22 | Patchy rain possible | 30° /13° | 3.6 mm | 7 | |
| May 23 | Patchy light rain with thunder | 27° /15° | 5.8 mm | 6 | |
| May 24 | Sunny | 27° /14° | 0.8 mm | 7 | |
| May 25 | Sunny | 26° /11° | 0 mm | 7 | |
| May 26 | Patchy rain possible | 28° /14° | 0.8 mm | 6 | |
| May 27 | Light rain shower | 20° /15° | 13.2 mm | 5 | |
| May 28 | Patchy rain possible | 26° /16° | 0.4 mm | 6 | |
| May 29 | Thundery outbreaks possible | 24° /12° | 1.9 mm | 5 | |
| May 30 | Overcast | 20° /11° | 0.5 mm | 5 | |
| May 31 | 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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