Best year time to visit Merrimac

General weather information about Merrimac

Average annual temperature is 9.7 °C

Absolute maximum temperature: 35.6 °C

Absolute minimum temperature: -25.7 °C

Number of sunny days: 194 days

Number of rainy days: 138 days

Number of snow days: 33 days

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* Weather data for Merrimac United States is based on climate observations for 2026 year

Merrimac air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.18.314.025.131.132.432.435.633.228.416.611.0
Average daytime temperature (°C)0.32.35.514.022.127.727.827.023.714.97.64.6
Average temperature (°C)-3.4-3.10.18.015.321.122.421.618.611.03.01.0
Average night temperature (°C)-5.9-7.5-4.13.29.415.317.317.215.07.6-0.4-1.6
Absolute minimum temperature (°C)-25.7-24.4-17.4-3.20.27.912.810.38.6-4.0-12.9-8.4

Merrimac 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)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.66.56.97.910.812.212.811.29.26.96.64.1
Precipitation (mm)53777612343355298107853644
Sunny days121411162220161712132417
Rainy days87121391015141816610
Snow days1178100000204

Merrimac - weather forecast by months

Merrimac weather in januaryMerrimac weather in februaryMerrimac weather in marchMerrimac weather in aprilMerrimac weather in mayMerrimac weather in juneMerrimac weather in julyMerrimac weather in augustMerrimac weather in septemberMerrimac weather in octoberMerrimac weather in novemberMerrimac weather in december

Best time to visit Merrimac:

The best time to visit Merrimac during the most sunny months:

  • May — 10.8(h)
  • June — 12.2(h)
  • July — 12.8(h)
  • August — 11.2(h)

Months with the longest average daylight duration in Merrimac:

  • June — 15.4(h)

The largest precipitation sum in Merrimac is at

  • April — 123(mm)
  • August — 98(mm)
  • September — 107(mm)

    • Weather forecast in the closest to Merrimac admin centers

    Weather forecast in the closest towns to Merrimac

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    MapTrains schedule
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    Frequently asked questions

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