Suffolk County (Long Island)
May
Weather in Suffolk County, New York for May 2027
Your guide to Suffolk County weather in May - trends and predictions
In general, the average temperature in Suffolk County at the beginning of May is 16.5 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.2 °C by the end of May.
The climate of Suffolk County in May is notably wet, with an average of 11 rainy days, and a total of 192.5 mm of precipitation.
Is May a good time to visit Suffolk County? check out the best time to travel to Suffolk County page.
✨ Is May a good time to visit Suffolk County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
11
Rainy days
0
Snow days
18°/12°
Temperatures
20 km/h
Avg max wind
76 %
Avg humidity
Suffolk County Weather May
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Temperatures trend during May in Suffolk County
See the weather trend as well as the moving average line
May weather in Suffolk County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Cloudy | 16° /9° | 0 mm | 7 | |
| May 2 |  Light rain | 17° /10° | 5.5 mm | 6 | |
| May 3 |  Overcast | 17° /10° | 0.2 mm | 7 | |
| May 4 | Light rain | 17° /11° | 4.9 mm | 7 | |
| May 5 |  Moderate or heavy rain shower | 17° /12° | 8.8 mm | 7 | |
| May 6 |  Heavy rain | 15° /12° | 39.2 mm | 5 | |
| May 7 |  Patchy rain possible | 18° /11° | 1.8 mm | 6 | |
| May 8 | Overcast | 18° /10° | 0.4 mm | 7 | |
| May 9 |  Moderate rain | 15° /11° | 13.1 mm | 3 | |
| May 10 | Overcast | 20° /10° | 0.3 mm | 6 | |
| May 11 |  Partly cloudy | 18° /12° | 0.2 mm | 6 | |
| May 12 | Partly cloudy | 17° /10° | 0.1 mm | 8 | |
| May 13 | Patchy rain possible | 17° /12° | 0.3 mm | 6 | |
| May 14 | Moderate rain | 17° /12° | 12.5 mm | 3 | |
| May 15 |  Fog | 18° /12° | 0 mm | 6 | |
| May 16 | Fog | 20° /13° | 0 mm | 7 | |
| May 17 | Mist | 23° /15° | 0 mm | 7 | |
| May 18 | Overcast | 22° /16° | 0 mm | 7 | |
| May 19 |  Sunny | 23° /13° | 0.1 mm | 8 | |
| May 20 | Light rain | 23° /13° | 3.2 mm | 7 | |
| May 21 | Light rain | 16° /11° | 5.2 mm | 4 | |
| May 22 | Moderate rain | 17° /11° | 22.6 mm | 6 | |
| May 23 | Moderate or heavy rain shower | 16° /10° | 5.9 mm | 4 | |
| May 24 | Moderate rain | 18° /12° | 13.8 mm | 4 | |
| May 25 | Patchy rain possible | 20° /12° | 1 mm | 5 | |
| May 26 | Patchy rain possible | 21° /14° | 0.3 mm | 7 | |
| May 27 | Moderate or heavy rain shower | 20° /13° | 8.4 mm | 5 | |
| May 28 | Patchy rain possible | 20° /15° | 1.9 mm | 7 | |
| May 29 | Light rain | 21° /14° | 6.2 mm | 7 | |
| May 30 | Light rain | 17° /11° | 8.1 mm | 6 | |
| May 31 | Heavy rain | 22° /10° | 28.5 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Suffolk County 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 Suffolk County forecast closer to your planned date for the most up-to-date weather information.
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Suffolk County in May - FAQ
What are the expected maximum and minimum temperatures in Suffolk County during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Suffolk County during May?
Significant rainfall exceeding 192.5 mm is expected in Suffolk County during May, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Suffolk County during May?
The average wind speed in Suffolk County during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Suffolk County
Explore the daily rainfall trends and prepare for Suffolk Countys May weather 💧
Typically, Suffolk County has 11 rainy days in May with a total of 192.5 mm of rainfall.
UV exposure in Suffolk County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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