Merrimac, MA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Merrimac now
Loading the National Weather Service forecast…
Merrimac weather by the hour
Merrimac weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Merrimac.
This week in Merrimac
Sunrise, sunset and moon in Merrimac
What is the weather usually like in Merrimac?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 82°F average high
- Januarycoldest month · 16°F average low
- 49.6 inprecipitation per year · 1,259 mm
- 57.8 insnowfall per year · 147 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Merrimac: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station HAVERHILL, MA US (USC00193505), adjusted for the elevation of Merrimac.
Merrimac weather month by month
Sunrise and sunset in Merrimac through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:10 AM | 4:36 PM | 9 h 26 min |
| February | 6:39 AM | 5:16 PM | 10 h 37 min |
| March | 6:54 AM | 6:51 PM | 11 h 57 min |
| April | 6:00 AM | 7:27 PM | 13 h 27 min |
| May | 5:19 AM | 8:01 PM | 14 h 42 min |
| June | 5:03 AM | 8:26 PM | 15 h 22 min |
| July | 5:17 AM | 8:22 PM | 15 h 4 min |
| August | 5:49 AM | 7:47 PM | 13 h 58 min |
| September | 6:22 AM | 6:55 PM | 12 h 33 min |
| October | 6:56 AM | 6:03 PM | 11 h 7 min |
| November | 6:34 AM | 4:22 PM | 9 h 47 min |
| December | 7:06 AM | 4:12 PM | 9 h 6 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Merrimac?
Merrimac has a warm-summer humid continental climate. The warmest month is July, with an average high of 82°F (28°C), and the coldest is January, with average lows of 16°F (-9°C).
It gets about 49.6 inches (1,259 mm) of precipitation a year. The wettest month is October and the driest is January. Snow is common: about 58 inches fall in an average year.
The best time to visit Merrimac is June to September. At 108 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Merrimac
Weather in towns near Merrimac
Questions about the weather in Merrimac
What is the hottest month in Merrimac?
July, with an average high of 82°F (28°C).
What is the coldest month in Merrimac?
January, with an average low of 16°F (-9°C).
How much does it rain in Merrimac?
About 49.6 inches (1,259 mm) a year; the wettest month is October.
Does it snow in Merrimac?
Yes, about 58 inches of snow fall in an average year.
When is the best time to visit Merrimac?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Merrimac have?
Warm-summer humid continental (Köppen Dfb).
What is the weather like in Merrimac in November?
Highs average 50°F and lows 30°F, with about 3.9 inches of precipitation.
What time is sunrise in Merrimac?
Around 6:34 AM in mid-November, and sunset around 4:22 PM. Today’s exact times are shown above.
Where does this Merrimac weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Merrimac.
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