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
The forecast for the next days in Washington County predicts temperatures to be around 17 °F, close to the historical average.
In general, the average temperature in Washington County at the beginning of May is 15.4 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 15.7 °F by the end of May.
The climate of Washington County in May is notably wet, with an average of 12 rainy days, and a total of 261 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
12
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 | 14° /7° | 0 mm | 7 | |
| May 2 |  Overcast | 14° /7° | 1.5 mm | 5 | |
| May 3 | Overcast | 15° /7° | 1.9 mm | 6 | |
| May 4 |  Patchy rain possible | 16° /8° | 0.2 mm | 7 | |
| May 5 |  Moderate or heavy rain shower | 15° /10° | 9 mm | 6 | |
| May 6 |  Moderate rain | 18° /12° | 9.3 mm | 3.4 | |
| May 7 | Patchy rain possible | 16° /9° | 1 mm | 2.6 | |
| May 8 | Patchy rain possible | 15° /7° | 0.3 mm | 1 | |
| May 9 | Moderate rain | 13° /8° | 8.6 mm | 3 | |
| May 10 | Sunny | 17° /9° | 0 mm | 4 | |
| May 11 | Patchy rain possible | 16° /11° | 5 mm | 3 | |
| May 12 |  Partly cloudy | 15° /8° | 0 mm | 4 | |
| May 13 | Patchy rain possible | 14° /5° | 2.2 mm | 3 | |
| May 14 | Partly cloudy | 19° /12° | 0 mm | 4 | |
| May 15 | Patchy rain possible | 17° /9° | 2.7 mm | 3 | |
| May 16 | Patchy rain possible | 15° /8° | 0.4 mm | 3 | |
| May 17 | Sunny | 18° /9° | 0 mm | 4 | |
| May 18 | Partly cloudy | 20° /10° | 0.1 mm | 4 | |
| May 19 | Partly cloudy | 20° /12° | 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 12 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 💧
Typically, Washington County has 12 rainy days in May with a total of 261 mm of rainfall.
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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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