Dublin Seasonal temperature break down - The average median temperature March through May is approximately 47°F with highs averaging at 54°F and lows averaging at 39°F. June through August has an approximate average median temperature of 58°F with highs averaging at 65°F, lows typically average at 50°F. Average median temperatures September through November average out at 49°F, high temperatures average out at 55°F and lows average at 42°F.
The average median temperature December through February is approximately 43°F with highs averaging at 48°F, lows average out at 36°F.
The average Dublin annual median temperature averages out at approximately 49°F. The coldest month in Dublin is January with a median temperature of 41°F, the average high for the month of January is 45°F with an average low of 35°F. The hottest month in Dublin is July with an approximate median temperature of 60°F, the average high for the month of July is 68°F with an average low of 52°F.