Penobscot County (Bangor)
May
Weather in Penobscot County, Maine for May 2026
Your guide to Penobscot County weather in May - trends and predictions
In general, the average temperature in Penobscot County at the beginning of May is 14.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.1 °F by the end of May.
Penobscot County in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 200.7 mm.
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Temperatures
Rain 🌧️
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14
Dry days
17
Rainy days
0
Snow days
16°/8°
Temperatures
15 km/h
Avg max wind
76 %
Avg humidity
Penobscot County Weather May
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Temperatures trend during May in Penobscot County
See the weather trend as well as the moving average line
May weather in Penobscot County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Cloudy | 15° /2° | 0 mm | 4 | |
| May 2 |  Moderate or heavy rain shower | 10° /6° | 4.2 mm | 3 | |
| May 3 | Moderate rain at times | 17° /6° | 8.1 mm | 4 | |
| May 4 | Moderate rain at times | 14° /9° | 5.3 mm | 3 | |
| May 5 |  Overcast | 18° /7° | 0 mm | 4 | |
| May 6 |  Heavy rain at times | 12° /8° | 3.7 mm | 3 | |
| May 7 | Overcast | 17° /8° | 4.5 mm | 4 | |
| May 8 |  Patchy rain possible | 17° /8° | 0.3 mm | 4 | |
| May 9 | Overcast | 13° /6° | 0.5 mm | 3 | |
| May 10 | Moderate or heavy rain shower | 9° /6° | 23.4 mm | 2 | |
| May 11 | Overcast | 15° /7° | 0 mm | 4 | |
| May 12 | Overcast | 16° /5° | 0 mm | 4 | |
| May 13 |  Sunny | 20° /7° | 0 mm | 6 | |
| May 14 | Sunny | 23° /8° | 0 mm | 6 | |
| May 15 | Overcast | 22° /11° | 0 mm | 5 | |
| May 16 | Patchy rain possible | 22° /12° | 0.3 mm | 5 | |
| May 17 | Moderate or heavy rain shower | 14° /9° | 3.9 mm | 3 | |
| May 18 | Moderate or heavy rain shower | 17° /9° | 12.3 mm | 4 | |
| May 19 | Heavy rain at times | 12° /7° | 7.8 mm | 3 | |
| May 20 | Overcast | 11° /6° | 0.3 mm | 3 | |
| May 21 | Patchy rain possible | 11° /6° | 0.1 mm | 3 | |
| May 22 | Patchy rain possible | 10° /6° | 0.5 mm | 3 | |
| May 23 | Moderate or heavy rain shower | 6° /4° | 26.4 mm | 2 | |
| May 24 | Heavy rain at times | 9° /5° | 4.6 mm | 2 | |
| May 25 | Overcast | 11° /5° | 0 mm | 3 | |
| May 26 | Overcast | 19° /8° | 0 mm | 4 | |
| May 27 | Sunny | 25° /10° | 0 mm | 7 | |
| May 28 |  Mist | 27° /8° | 0 mm | 6 | |
| May 29 | Overcast | 19° /12° | 0 mm | 4 | |
| May 30 | Fog | 20° /10° | 0 mm | 5 | |
| May 31 |  Heavy rain | 13° /11° | 94.5 mm | 3 | |
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Important Notice
Our weather forecast for Penobscot 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 Penobscot County forecast closer to your planned date for the most up-to-date weather information.
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Penobscot County in May - FAQ
What are the expected maximum and minimum temperatures in Penobscot County during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Penobscot County during May?
Significant rainfall exceeding 200.7 mm is expected in Penobscot County during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Penobscot County during May?
The average wind speed in Penobscot County during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Penobscot County
Explore the daily rainfall trends and prepare for Penobscot Countys May weather 💧
UV exposure in Penobscot County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Penobscot County?Get accurate weather forecasts for Penobscot County, located at latitude 44.799 and longitude -68.773. Stay updated with localized weather information tailored for Penobscot County.
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