Grinnell Weather in December
December in Grinnell typically sees daytime highs of 1°C (34°F) and nighttime lows of -8°C (18°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.
Rainfall in Grinnell in December
Snow/rain is expected on roughly 10 days, totalling around 63 mm (2.5 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Grinnell in December
December in Grinnell sees highs of 1°C (34°F) and lows of -8°C (18°F) overnight. The winter season takes place during December. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. At -8°C (18°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. It's a notably cold month; make sure to wear layers to stay warm. It's wiser to gear up in advance than to be caught off-guard, trembling in the cold.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Grinnell. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Grinnell's climate page.
Grinnell Temperature in December
Min Temperature
-8°C (18°F)
Max Temperature
1°C (34°F)
Chance of Rain
33%
Precipitation
63 mm (2.5 in)
Rainy days
10 days
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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What to Wear in Grinnell in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Grinnell in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Grinnell's climate page.
See the full Grinnell climate overview or explore weather in the United States of America.
