In terms of precipitation, rainfall in Obihiro ranges from 1.3 - 6.3 inches per month. August is typically the wettest month, when rainfall can reach 6.3 in. February is typically the driest time to visit Obihiro when rainfall is around 1.3 in.
If weather is an important factor for your trip to Obihiro, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).