Best year time to visit Merion

General weather information about Merion

Average annual temperature is 13.5 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: -11.1 °C

Number of sunny days: 184 days

Number of rainy days: 179 days

Number of snow days: 2 days

Look at detailed online map of Merion

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

Merion air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.019.018.030.630.035.534.032.035.427.320.916.3
Average daytime temperature (°C)8.99.611.220.022.927.430.628.625.120.111.89.2
Average temperature (°C)5.14.65.613.616.320.824.823.420.114.76.85.2
Average night temperature (°C)1.90.30.88.610.015.320.319.116.010.52.61.9
Absolute minimum temperature (°C)-4.4-11.1-4.90.53.810.316.914.911.25.3-4.8-4.2

Merion monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.014.014.013.011.010.09.0
Daylight mean duration (h)9.710.712.013.314.415.014.713.712.511.110.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.66.97.49.111.410.611.510.28.28.27.64.9
Precipitation (mm)106491031254687152891964275163
Sunny days13171214211291314192218
Rainy days18101816101822181612813
Snow days011000000000

Merion - weather forecast by months

Merion weather in januaryMerion weather in februaryMerion weather in marchMerion weather in aprilMerion weather in mayMerion weather in juneMerion weather in julyMerion weather in augustMerion weather in septemberMerion weather in octoberMerion weather in novemberMerion weather in december

Best time to visit Merion:

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

  • May — 11.4(h)
  • June — 10.6(h)
  • July — 11.5(h)

The largest precipitation sum in Merion is at

  • July — 152(mm)
  • September — 196(mm)
  • December — 163(mm)

    • Weather forecast in the closest to Merion admin centers

    Weather forecast in the closest towns to Merion

    Explore Merion

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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