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Weather in Merrimack County, New Hampshire for May 2027

Your guide to Merrimack County weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Merrimack County at the beginning of May is 16 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.1 °C by the end of May.

  • Rain 🌧️

  • Merrimack County in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 117.9 mm.

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Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/7°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
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
Overcast
13° /2° 0 mm 7
May 2 Patchy rain possible
Patchy rain possible
11° /4° 1.7 mm 4
May 3 Patchy rain possible
Patchy rain possible
11° /2° 0.3 mm 5
May 4 Overcast
Overcast
18° /1° 0 mm 7
May 5 Patchy rain possible
Patchy rain possible
25° /8° 0.2 mm 8
May 6 Moderate or heavy rain shower
Moderate or heavy rain shower
18° /11° 9.6 mm 3
May 7 Overcast
Overcast
16° /5° 0.1 mm 8
May 8 Overcast
Overcast
13° /2° 0 mm 8
May 9 Moderate or heavy rain shower
Moderate or heavy rain shower
10° /1° 10.7 mm 5
May 10 Patchy rain possible
Patchy rain possible
18° /7° 0.6 mm 2
May 11 Cloudy
Cloudy
16° /5° 0 mm 9
May 12 Partly cloudy
Partly cloudy
15° /1° 0 mm 9
May 13 Moderate rain at times
Moderate rain at times
13° /3° 3.5 mm 3
May 14 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /10° 20.3 mm 1
May 15 Moderate rain at times
Moderate rain at times
11° /7° 2.6 mm 1
May 16 Overcast
Overcast
23° /6° 0 mm 10
May 17 Patchy rain possible
Patchy rain possible
26° /14° 0.1 mm 10
May 18 Overcast
Overcast
22° /11° 0 mm 10
May 19 Patchy rain possible
Patchy rain possible
31° /14° 0.3 mm 10
May 20 Moderate rain at times
Moderate rain at times
28° /18° 1.8 mm 10
May 21 Sunny
Sunny
19° /10° 0 mm 9
May 22 Sunny
Sunny
20° /5° 0 mm 9
May 23 Overcast
Overcast
18° /7° 0 mm 9
May 24 Moderate rain at times
Moderate rain at times
9° /7° 5.5 mm 2
May 25 Moderate or heavy rain shower
Moderate or heavy rain shower
21° /8° 11 mm 5
May 26 Partly cloudy
Partly cloudy
26° /8° 0 mm 10
May 27 Cloudy
Cloudy
27° /14° 0 mm 10
May 28 Patchy rain possible
Patchy rain possible
18° /10° 0.7 mm 10
May 29 Moderate rain at times
Moderate rain at times
18° /9° 8.5 mm 6
May 30 Moderate or heavy rain shower
Moderate or heavy rain shower
12° /4° 37.6 mm 5
May 31 Patchy rain possible
Patchy rain possible
19° /3° 2.8 mm 10
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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.

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 16 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 16 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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Location coordinates Where is Merrimack County?

Get accurate weather forecasts for Merrimack County, located at latitude 43.208 and longitude -71.538. Stay updated with localized weather information tailored for Merrimack County.

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