Typical Weather in Riverton, WY in December
30° F Avg High
4° F Avg Low
1 Rainy Days
☀️ Temperature Summary
December is one of the cooler months of the year for Riverton, with highs averaging around 30°F. You can expect overnight lows near 4°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 37°F and 30°F.
You may want to consider a warmer month to visit Riverton, unless you're ready to brave the cold. If you're looking to travel when it's warmer, you might consider visiting in November instead, when daily highs are typically closer to 45°.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 3% chance of rain for any given day in December. It's one of the drier months of the year for Riverton, with total rainfall for the month around 0 inches.
Rainfall Throughout the Year
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