Weather in Town of Merrimack in August

General weather information about Town of Merrimack

Average annual temperature is 10.5 °C

Absolute maximum temperature: 33.3 °C

Absolute minimum temperature: -26.1 °C

Number of sunny days: 165 days

Number of rainy days: 185 days

Number of snow days: 15 days

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* Weather data for Town of Merrimack United States is based on climate observations for 2026 year

Town of Merrimack air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.914.616.231.631.033.332.429.032.928.318.316.1
Average daytime temperature (°C)4.95.17.515.621.423.728.025.523.218.68.77.5
Average temperature (°C)0.7-1.02.29.414.517.922.920.418.213.43.52.8
Average night temperature (°C)-3.2-6.0-2.24.68.413.218.616.214.59.2-0.3-0.4
Absolute minimum temperature (°C)-14.2-26.1-6.8-4.11.37.213.611.86.90.8-5.6-7.4

Town of Merrimack monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.615.315.013.912.511.09.89.1
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)4.16.36.97.811.38.29.99.37.57.16.95.1
Precipitation (mm)1644412877881602081891919943160
Sunny days914141620761113162217
Rainy days16101414112325201715713
Snow days643000000011

Town of Merrimack - weather forecast by months

Town of Merrimack weather in januaryTown of Merrimack weather in februaryTown of Merrimack weather in marchTown of Merrimack weather in aprilTown of Merrimack weather in mayTown of Merrimack weather in juneTown of Merrimack weather in julyTown of Merrimack weather in augustTown of Merrimack weather in septemberTown of Merrimack weather in octoberTown of Merrimack weather in novemberTown of Merrimack weather in december

Best time to visit Town of Merrimack:

The best time to visit Town of Merrimack during the most sunny months:

  • May — 11.3(h)
  • July — 9.9(h)

Months with the longest average daylight duration in Town of Merrimack:

  • June — 15.3(h)

The largest precipitation sum in Town of Merrimack is at

  • January — 164(mm)
  • July — 208(mm)
  • August — 189(mm)
  • September — 191(mm)

    • Weather forecast in the closest to Town of Merrimack admin centers

    Weather forecast in the closest towns to Town of Merrimack

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    Frequently asked questions

    When is the best time to visit Town of Merrimack?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Town of Merrimack.
    What is the weather like in Town of Merrimack?
    See average temperature, rainfall and daylight hours for Town of Merrimack by month in the table above.
    How many sunny days does Town of Merrimack have?
    The monthly weather statistics above show sunshine and rainfall patterns for Town of Merrimack throughout the year.