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In terms of precipitation, rainfall in Arua ranges from 0.4 - 7.5 inches per month. August is typically the wettest month, when rainfall can reach 7.5 in. January is typically the driest time to visit Arua when rainfall is around 0.4 in.
If weather is an important factor for your trip to Arua, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 69.8 F).