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Mercer (PA) Climate by Month

The temperature in Mercer can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It also experiences much rain/snowfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Visitors to Mercer can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C in July. In February, the coolest month of the year, temperatures drop to a very cold 1°C. At night, expect cooler temperatures, averaging -9°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Mercer is known for its substantial rain/snowfall, with annual precipitation reaching 1161 mm. Mercer experiences moderate seasonal variation in rainfall, with monthly averages ranging from 126 mm in June, the wettest month, and 71 mm in February, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Mercer in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Mercer?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Mercer?
    The coldest month is February with an average maximum temperature of 1°C.
  • Which is the wettest month in Mercer?
    June tops the wettest month list with 126 mm of rainfall.
  • Which is the driest month in Mercer?
    February is the driest month with 71 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Mercer (PA)

    Fri   Nov 22
    5°C | -1°C
    NW 25 km/h
    13 mm
    overcast and heavy sleet

    overcast and heavy sleet

    Sat   Nov 23
    7°C | 4°C
    NW 25 km/h
    1.8 mm
    overcast and rain

    overcast and rain

    Sun   Nov 24
    8°C | 2°C
    SW 14 km/h
    partly cloudy and no rain

    partly cloudy and no rain