Barnstable County (Hyannis)
May
Weather in Barnstable County, Massachusetts for May 2027
Your guide to Barnstable County weather in May - trends and predictions
The climate of Barnstable County in May is notably wet, with an average of 15 rainy days, and a total of 113.8 mm of precipitation.
Is May a good time to visit Barnstable County? check out the best time to travel to Barnstable County page.
✨ Is May a good time to visit Barnstable County? – Ask the AI Weatherman
Rain 🌧️
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16
Dry days
15
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
See the weather trend as well as the moving average line
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 |  Light rain | 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 | Light rain | 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 | Light rain | 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 rain | 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 | Patchy rain possible | 24° /13° | 0.7 mm | 10 | |
| May 18 | Partly cloudy | 18° /13° | 0 mm | 10 | |
| May 19 | Light rain | 22° /15° | 3.2 mm | 10 | |
| May 20 | Light rain | 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 rain | 14° /10° | 11.3 mm | 2 | |
| May 25 | Patchy rain possible | 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 rain | 14° /8° | 19.7 mm | 3 | |
| May 31 | Light rain | 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 15 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 15 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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