Current Observations


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Merrimack - Next 4 Days weather forecast




    Merrimack - Average weather conditions


    Merrimack weather history chart based on the last 5 years of Merrimack weather history. If you are visiting Merrimack in near future, this Merrimack weather history chart will give you an idea of the expected weather and plan your trip accordingly.


    • Average Minimum Temperature (°C)
    • Average Maximum Temperature (°C)
    • Average Precipitation (cm)



    Best Time to Visit Merrimack


    Jan : Temperature in Merrimack is lowest during Jan. In Jan, temperature during day raise upto 1 C° and temperature during night goes down upto -10 C°. Jan is one of the snowy months in Merrimack. According to past year record, there is 10.86cm snow fall every year during Jan in Merrimack. So if you are planing to visit Merrimack during this month, snow boots and warm cloths are worth considering.

    Feb : During Feb month, highest temperature is 3 C° and lowest temperature is -9 C°. Feb is one of the snowy months in Merrimack. According to past year record, there is 8.58cm snow fall every year during Feb in Merrimack.

    Mar : In Merrimack during Mar, day temperature raise upto 8 C° and night temperature goes down upto -4 C°. Mar is one of the snowy months in Merrimack. According to past year record, there is 11.44cm snow fall every year during Mar in Merrimack. So if you are planing to visit Merrimack during this month, snow boots and warm cloths are worth considering.

    Apr : In Apr, temperature during day raise upto 14 C° and temperature during night goes down upto 1 C°. Apr is one of the rainy months in Merrimack. According to past year record, there is 11.4cm rain fall every year during Apr in Merrimack. So if you are planing to visit Merrimack during Apr, umbrella is worth considering.

    May : During May month, highest temperature is 21 C° and lowest temperature is 7 C°. May is one of the rainy months in Merrimack. According to past year record, there is 11.78cm rain fall every year during May in Merrimack. So if you are planing to visit Merrimack during May, umbrella is worth considering.

    Jun : Jun is one of the hot months in Merrimack. In Merrimack during Jun, day temperature raise upto 25 C° and night temperature goes down upto 12 C°. Jun is one of the rainy months in Merrimack. According to past year record, there is 11.4cm rain fall every year during Jun in Merrimack. So if you are planing to visit Merrimack during Jun, umbrella is worth considering.

    Jul : Temperature in Merrimack is at its peak during Jul. In Jul, temperature during day raise upto 28 C° and temperature during night goes down upto 15 C°. Jul is one of the rainy months in Merrimack. According to past year record, there is 11.64cm rain fall every year during Jul in Merrimack. So if you are planing to visit Merrimack during Jul, umbrella is worth considering.

    Aug : Aug is one of the hot months in Merrimack. During Aug month, highest temperature is 27 C° and lowest temperature is 14 C°. Aug is one of the rainy months in Merrimack. According to past year record, there is 10.41cm rain fall every year during Aug in Merrimack. So if you are planing to visit Merrimack during Aug, umbrella is worth considering.

    Sep : Merrimack weather in Sep is good. In Merrimack during Sep, day temperature raise upto 23 C° and night temperature goes down upto 10 C°. Sep is one of the rainy months in Merrimack. According to past year record, there is 10.68cm rain fall every year during Sep in Merrimack. So if you are planing to visit Merrimack during Sep, umbrella is worth considering.

    Oct : In Oct, temperature during day raise upto 16 C° and temperature during night goes down upto 3 C°. Oct is one of the rainy months in Merrimack. According to past year record, there is 11.66cm rain fall every year during Oct in Merrimack. So if you are planing to visit Merrimack during Oct, umbrella is worth considering.

    Nov : During Nov month, highest temperature is 10 C° and lowest temperature is -1 C°. Nov is one of the rainy months in Merrimack. According to past year record, there is 11.88cm rain fall every year during Nov in Merrimack. So if you are planing to visit Merrimack during Nov, umbrella is worth considering.

    Dec : In Merrimack during Dec, day temperature raise upto 4 C° and night temperature goes down upto -7 C°. Dec is one of the snowy months in Merrimack. According to past year record, there is 11.16cm snow fall every year during Dec in Merrimack. So if you are planing to visit Merrimack during this month, snow boots and warm cloths are worth considering.