In terms of precipitation, rainfall in Uummannaq ranges from 0.9 - 1.7 inches per month. September is typically the wettest month, when rainfall can reach 1.7 in. May is typically the driest time to visit Uummannaq when rainfall is around 0.9 in.
If weather is an important factor for your trip to Uummannaq, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 35.6 F. Travelers looking to avoid the cold should look outside of March, when temperatures are typically at their lowest (around -9.4 F).