ClimateForecastDecemberJanuary >>

Hillsboro (OH) Climate by Month

The temperature in Hillsboro can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

Visitors to Hillsboro can expect significant temperature changes throughout the year. Average daytime temperatures range from a comfortable 29°C in July, the warmest time of the year, to a chilly 3°C during cooler months like February. At night, temperatures typically average around -7°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Hillsboro is known for its substantial rain/snowfall, with annual precipitation reaching 1161 mm. While rainfall varies throughout the year, each season offers its own charm. April brings wetter days averaging 125 mm of precipitation, spread over 13 rainy days.

In contrast, January experiences a drier climate, with about 70 mm of snow/rainfall spread across 14 snowy/rainy days.

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

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

During the months of May 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:
  • When is summer in Hillsboro?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Hillsboro?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Hillsboro?
    The coldest month is February with an average maximum temperature of 3°C.
  • Which is the wettest month in Hillsboro?
    April tops the wettest month list with 125 mm of rainfall.
  • Which is the driest month in Hillsboro?
    January is the driest month with 70 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 Hillsboro (OH)

    Sun   Dec 15
    9°C | 4°C
    S 18 km/h
    16 mm
    overcast and rain

    overcast and rain

    Mon   Dec 16
    14°C | 7°C
    SW 32 km/h
    19 mm
    overcast and heavy rain

    overcast and heavy rain

    Tue   Dec 17
    10°C | 2°C
    W 14 km/h
    clear and no rain

    clear and no rain