Know what's coming with accuweather's extended daily forecasts for alachua, fl. Up to 90 days of daily highs, lows, and precipitation chances. Webwinter weather in alachua florida, united states. Daily high temperatures are around 69°f, rarely falling below 53°f or exceeding 81°f. The lowest daily average high temperature is 66°f on january 16. Daily low temperatures are around 46°f, rarely falling below 29°f. Webalachua, fl has a humid subtropical climate characterized by hot and humid summers and mild to cool winters. During the summer months, temperatures typically range from the. Websummer weather in alachua florida, united states. Daily high temperatures are around 89°f, rarely falling below 82°f or exceeding 95°f. The highest daily average high. Webalachua, fl's climate averages. Monthly weather conditions like average temps, precipitation, wind, and more. Alachua's yearly averages for humidity, fog, sun, and. Easy to use weather radar at your fingertips!