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Weather in New Haven, Connecticut for May 2027

Your guide to New Haven weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in New Haven at the beginning of May is 17.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 19.5 °C by the end of May.

    • Rain 🌧️

  • The climate of New Haven in May is notably wet, with an average of 14 rainy days, and a total of 231.3 mm of precipitation.

    • More

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

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

Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/11°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
77 %
Avg humidity

New Haven Weather May

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

Temperatures trend during May in New Haven

See the weather trend as well as the moving average line

May weather in New Haven day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Partly cloudy
Partly cloudy
 16° /8° 0 mm 7
May 2 Light rain
Light rain
 18° /10° 4.2 mm 4
May 3 Patchy rain possible
Patchy rain possible
 18° /9° 1.3 mm 7
May 4 Light rain
Light rain
 18° /10° 4 mm 7
May 5 Moderate rain
Moderate rain
 18° /11° 11.6 mm 7
May 6 Heavy rain
Heavy rain
 16° /12° 31.6 mm 5
May 7 Patchy rain possible
Patchy rain possible
 18° /11° 2 mm 6
May 8 Light rain
Light rain
 16° /9° 3.1 mm 6
May 9 Moderate rain
Moderate rain
 14° /9° 17.7 mm 3
May 10 Light rain
Light rain
 18° /10° 2.7 mm 4
May 11 Partly cloudy
Partly cloudy
 17° /10° 0 mm 6
May 12 Sunny
Sunny
 18° /8° 0.4 mm 8
May 13 Overcast
Overcast
 17° /11° 0 mm 5
May 14 Moderate rain
Moderate rain
 16° /11° 10.2 mm 4
May 15 Light rain
Light rain
 17° /11° 4.4 mm 7
May 16 Light rain
Light rain
 20° /11° 6.8 mm 7
May 17 Fog
Fog
 22° /15° 0 mm 7
May 18 Overcast
Overcast
 21° /15° 0 mm 7
May 19 Cloudy
Cloudy
 24° /14° 0.4 mm 7
May 20 Light rain
Light rain
 23° /13° 4 mm 7
May 21 Light rain
Light rain
 17° /11° 7.6 mm 5
May 22 Moderate rain
Moderate rain
 17° /11° 20.6 mm 6
May 23 Heavy rain at times
Heavy rain at times
 15° /11° 15.2 mm 4
May 24 Moderate rain
Moderate rain
 17° /11° 10.2 mm 4
May 25 Patchy rain possible
Patchy rain possible
 19° /11° 1.2 mm 4
May 26 Patchy rain possible
Patchy rain possible
 21° /13° 0.3 mm 7
May 27 Moderate rain
Moderate rain
 20° /13° 23.3 mm 6
May 28 Patchy rain possible
Patchy rain possible
 20° /14° 0.8 mm 6
May 29 Light rain
Light rain
 20° /12° 7.9 mm 6
May 30 Moderate rain at times
Moderate rain at times
 16° /11° 6.1 mm 6
May 31 Heavy rain
Heavy rain
 20° /10° 33.6 mm 7
Next
Important Notice
Our weather forecast for New Haven 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 New Haven forecast closer to your planned date for the most up-to-date weather information.
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New Haven in May - FAQ

What are the expected maximum and minimum temperatures in New Haven during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in New Haven during May?
Significant rainfall exceeding 231.3 mm is expected in New Haven during May, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in New Haven during May?
The average wind speed in New Haven during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in New Haven

Explore the daily rainfall trends and prepare for New Havens May weather 💧
Typically, New Haven has 14 rainy days in May with a total of 231.3 mm of rainfall.

UV exposure in New Haven during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Get accurate weather forecasts for New Haven, located at latitude 41.308 and longitude -72.928. Stay updated with localized weather information tailored for New Haven.

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