Barnstable County (Hyannis)
May
Weather in Barnstable County, Massachusetts for May 2027
Your guide to Barnstable County weather in May - trends and predictions
In general, the average temperature in Barnstable County at the beginning of May is 13.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.3 °F by the end of May.
Barnstable County in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 113.8 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
16°/10°
Temperatures
27 km/h
Avg max wind
77 %
Avg humidity
Barnstable County Weather May
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Temperatures trend during May in Barnstable County
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May weather in Barnstable County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 13° /8° | 0 mm | 8 | |
| May 2 | Overcast | 11° /7° | 6.3 mm | 6 | |
| May 3 |  Heavy rain at times | 11° /7° | 10.2 mm | 5 | |
| May 4 |  Sunny | 15° /7° | 0 mm | 9 | |
| May 5 |  Cloudy | 15° /11° | 0 mm | 9 | |
| May 6 |  Moderate rain at times | 15° /12° | 7.2 mm | 7 | |
| May 7 | Moderate or heavy rain shower | 14° /10° | 4.7 mm | 7 | |
| May 8 |  Patchy rain possible | 13° /8° | 0.3 mm | 9 | |
| May 9 | Moderate rain at times | 13° /9° | 7.6 mm | 5 | |
| May 10 | Overcast | 16° /12° | 9.3 mm | 7 | |
| May 11 | Moderate or heavy rain shower | 13° /9° | 6.8 mm | 6 | |
| May 12 |  Partly cloudy | 12° /8° | 0 mm | 9 | |
| May 13 | Overcast | 13° /9° | 0 mm | 10 | |
| May 14 | Moderate or heavy rain shower | 14° /11° | 15.6 mm | 2 | |
| May 15 | Patchy rain possible | 14° /9° | 0.4 mm | 2 | |
| May 16 | Partly cloudy | 16° /9° | 0 mm | 9 | |
| May 17 | Moderate rain at times | 24° /13° | 0.7 mm | 10 | |
| May 18 | Partly cloudy | 18° /13° | 0 mm | 10 | |
| May 19 | Cloudy | 22° /15° | 3.2 mm | 10 | |
| May 20 | Cloudy | 27° /16° | 2.7 mm | 9 | |
| May 21 | Patchy rain possible | 20° /11° | 0.9 mm | 10 | |
| May 22 | Sunny | 17° /9° | 0 mm | 10 | |
| May 23 | Partly cloudy | 15° /11° | 0 mm | 9 | |
| May 24 | Moderate or heavy rain shower | 14° /10° | 11.3 mm | 2 | |
| May 25 | Moderate rain at times | 18° /13° | 1.5 mm | 2 | |
| May 26 | Overcast | 20° /13° | 0 mm | 10 | |
| May 27 | Overcast | 22° /14° | 0.2 mm | 10 | |
| May 28 | Patchy rain possible | 18° /12° | 1.3 mm | 8 | |
| May 29 | Patchy rain possible | 18° /11° | 0.5 mm | 6 | |
| May 30 | Moderate or heavy rain shower | 14° /8° | 19.7 mm | 3 | |
| May 31 | Patchy rain possible | 18° /7° | 3.4 mm | 10 | |
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Important Notice
Our weather forecast for Barnstable 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 Barnstable County forecast closer to your planned date for the most up-to-date weather information.
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Barnstable County in May - FAQ
What are the expected maximum and minimum temperatures in Barnstable County during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Barnstable County during May?
Significant rainfall exceeding 113.8 mm is expected in Barnstable County during May, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Barnstable County during May?
The average wind speed in Barnstable County during May is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Barnstable County
Explore the daily rainfall trends and prepare for Barnstable Countys May weather 💧
Typically, Barnstable County has 20 rainy days in May with a total of 113.8 mm of rainfall.
UV exposure in Barnstable County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Barnstable County?Get accurate weather forecasts for Barnstable County, located at latitude 41.653 and longitude -70.283. Stay updated with localized weather information tailored for Barnstable County.
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