Gillett Seasonal temperature break down - The average median temperature March through May is approximately 62°F with highs averaging at 73°F and lows averaging at 52°F. June through August has an approximate average median temperature of 79°F with highs averaging at 89°F, lows typically average at 70°F. Average median temperatures September through November average out at 63°F, high temperatures average out at 75°F and lows average at 53°F.
The average median temperature December through February is approximately 45°F with highs averaging at 56°F, lows average out at 37°F.
The average Gillett annual median temperature averages out at approximately 62°F. The coldest month in Gillett is January with a median temperature of 42°F, the average high for the month of January is 52°F with an average low of 35°F. The hottest month in Gillett is August with an approximate median temperature of 80°F, the average high for the month of August is 91°F with an average low of 71°F.