Weather December 2025 Omaha Nevada. Expect omaha december temperature around 2°c (35°f). Get the official old farmer's almanac winter weather forecast for 2025 to 2025!

Daily high temperatures decrease by 8°f, from 41°f to 33°f, rarely falling below 15°f or exceeding 56°f. This report shows the past weather for omaha, providing a weather history for 2025.