Washington County (South Kingstown)
May
Weather in Washington County, Rhode Island for May 2026
Your guide to Washington County weather in May - trends and predictions
In general, the average temperature in Washington County at the beginning of May is 15 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 15.7 °F by the end of May.
Washington County in May brings notable rainfall, with an average of 18 rainy days and a total precipitation of 261 mm.
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Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
15°/10°
Temperatures
21 km/h
Avg max wind
85 %
Avg humidity
Washington County Weather May
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Temperatures trend during May in Washington County
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May weather in Washington County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Sunny | 12° /8° | 0 mm | 4 | |
| May 2 |  Overcast | 17° /8° | 0.2 mm | 4 | |
| May 3 | Overcast | 16° /10° | 3.5 mm | 4 | |
| May 4 |  Patchy rain possible | 16° /10° | 0.4 mm | 4 | |
| May 5 |  Moderate or heavy rain shower | 14° /10° | 18 mm | 3 | |
| May 6 | Moderate or heavy rain shower | 13° /11° | 35.7 mm | 3 | |
| May 7 | Overcast | 17° /11° | 0 mm | 4 | |
| May 8 | Patchy rain possible | 18° /10° | 0.3 mm | 4 | |
| May 9 | Moderate or heavy rain shower | 14° /9° | 41.2 mm | 3 | |
| May 10 | Patchy rain possible | 16° /10° | 4.6 mm | 4 | |
| May 11 | Sunny | 20° /11° | 0 mm | 6 | |
| May 12 | Sunny | 16° /10° | 0 mm | 5 | |
| May 13 | Overcast | 16° /11° | 0 mm | 4 | |
| May 14 | Overcast | 17° /10° | 0 mm | 4 | |
| May 15 | Moderate rain at times | 15° /12° | 6.9 mm | 4 | |
| May 16 | Patchy rain possible | 17° /12° | 0.3 mm | 4 | |
| May 17 | Moderate or heavy rain shower | 17° /12° | 15.6 mm | 4 | |
| May 18 | Patchy rain possible | 19° /13° | 0.8 mm | 4 | |
| May 19 |  Partly cloudy | 16° /9° | 0 mm | 5 | |
| May 20 | Overcast | 14° /7° | 0 mm | 3 | |
| May 21 | Patchy rain possible | 10° /8° | 0.3 mm | 3 | |
| May 22 | Moderate or heavy rain shower | 10° /8° | 65.7 mm | 3 | |
| May 23 | Patchy rain possible | 12° /7° | 2.2 mm | 3 | |
| May 24 | Patchy rain possible | 14° /9° | 0.3 mm | 3 | |
| May 25 |  Cloudy | 16° /10° | 0 mm | 4 | |
| May 26 | Partly cloudy | 15° /11° | 0 mm | 5 | |
| May 27 |  Mist | 15° /11° | 0 mm | 4 | |
| May 28 | Overcast | 15° /11° | 0 mm | 4 | |
| May 29 |  Moderate rain | 16° /12° | 25.5 mm | 4 | |
| May 30 | Fog | 14° /13° | 1.3 mm | 3 | |
| May 31 |  Moderate or heavy rain with thunder | 19° /14° | 38.2 mm | 4 | |
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Important Notice
Our weather forecast for Washington 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 Washington County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Washington County in May - FAQ
What are the expected maximum and minimum temperatures in Washington County during May?
During May, expect a variety of temperatures with highs around 15° and lows near 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Washington County during May?
Significant rainfall exceeding 261 mm is expected in Washington County during May, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Washington County during May?
The average wind speed in Washington County during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Washington County
Explore the daily rainfall trends and prepare for Washington Countys May weather 💧
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Where is Washington County?Get accurate weather forecasts for Washington County, located at latitude 41.447 and longitude -71.525. Stay updated with localized weather information tailored for Washington County.
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