Merrimack County (Concord)
May
Weather in Merrimack County, New Hampshire for May 2027
Your guide to Merrimack County weather in May - trends and predictions
The climate of Merrimack County in May is notably wet, with an average of 12 rainy days, and a total of 117.9 mm of precipitation.
Is May a good time to visit Merrimack County? check out the best time to travel to Merrimack County page.
✨ Is May a good time to visit Merrimack County? – Ask the AI Weatherman
Rain 🌧️
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19
Dry days
12
Rainy days
0
Snow days
18°/7°
Temperatures
18 km/h
Avg max wind
71 %
Avg humidity
Merrimack County Weather May
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Temperatures trend during May in Merrimack County
See the weather trend as well as the moving average line
May weather in Merrimack County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 13° /2° | 0 mm | 7 | |
| May 2 |  Patchy rain possible | 11° /4° | 1.7 mm | 4 | |
| May 3 | Patchy rain possible | 11° /2° | 0.3 mm | 5 | |
| May 4 | Overcast | 18° /1° | 0 mm | 7 | |
| May 5 | Patchy rain possible | 25° /8° | 0.2 mm | 8 | |
| May 6 |  Moderate or heavy rain shower | 18° /11° | 9.6 mm | 3 | |
| May 7 | Overcast | 16° /5° | 0.1 mm | 8 | |
| May 8 | Overcast | 13° /2° | 0 mm | 8 | |
| May 9 |  Moderate rain | 10° /1° | 10.7 mm | 5 | |
| May 10 | Patchy rain possible | 18° /7° | 0.6 mm | 2 | |
| May 11 |  Cloudy | 16° /5° | 0 mm | 9 | |
| May 12 |  Partly cloudy | 15° /1° | 0 mm | 9 | |
| May 13 |  Light rain | 13° /3° | 3.5 mm | 3 | |
| May 14 | Moderate rain | 13° /10° | 20.3 mm | 1 | |
| May 15 | Light rain | 11° /7° | 2.6 mm | 1 | |
| May 16 | Overcast | 23° /6° | 0 mm | 10 | |
| May 17 | Patchy rain possible | 26° /14° | 0.1 mm | 10 | |
| May 18 | Overcast | 22° /11° | 0 mm | 10 | |
| May 19 | Patchy rain possible | 31° /14° | 0.3 mm | 10 | |
| May 20 | Patchy rain possible | 28° /18° | 1.8 mm | 10 | |
| May 21 |  Sunny | 19° /10° | 0 mm | 9 | |
| May 22 | Sunny | 20° /5° | 0 mm | 9 | |
| May 23 | Overcast | 18° /7° | 0 mm | 9 | |
| May 24 | Moderate rain at times | 9° /7° | 5.5 mm | 2 | |
| May 25 | Moderate rain | 21° /8° | 11 mm | 5 | |
| May 26 | Partly cloudy | 26° /8° | 0 mm | 10 | |
| May 27 | Cloudy | 27° /14° | 0 mm | 10 | |
| May 28 | Patchy rain possible | 18° /10° | 0.7 mm | 10 | |
| May 29 | Moderate rain at times | 18° /9° | 8.5 mm | 6 | |
| May 30 |  Heavy rain | 12° /4° | 37.6 mm | 5 | |
| May 31 | Light rain | 19° /3° | 2.8 mm | 10 | |
| Next | |||||
Important Notice
Our weather forecast for Merrimack 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 Merrimack County forecast closer to your planned date for the most up-to-date weather information.
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Merrimack County in May - FAQ
What are the expected maximum and minimum temperatures in Merrimack County during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Merrimack County during May?
Significant rainfall exceeding 117.9 mm is expected in Merrimack 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 Merrimack County during May?
The average wind speed in Merrimack County during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Merrimack County
Explore the daily rainfall trends and prepare for Merrimack Countys May weather 💧
Typically, Merrimack County has 12 rainy days in May with a total of 117.9 mm of rainfall.
UV exposure in Merrimack County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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