Rocklin Weather in December
Rocklin in December sees moderate temperatures, with highs around 13°C (55°F) and overnight lows of 3°C (37°F). Rainfall is at its peak this month, around 109 mm (4.3 in) on average, so waterproofs are essential.
Rainfall in Rocklin in December
This month is known for heavy rainfall, so don't forget your umbrella to stay dry. Typically, you can expect about 12 days of rain this month, with 109 mm (4.3 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Rocklin in December
Temperatures in Rocklin in December top out at 13°C (55°F) and drop to 3°C (37°F) overnight. December is typically considered a winter month. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. This month often claims the chilliest averages of the year.
Sunshine in Rocklin in December
The area enjoys a moderate level of sunlight, with around 141 hours. It's a good balance between sunny and cloudy days.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Rocklin. 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 Rocklin's climate page.
Rocklin Temperature in December
Min Temperature
3°C (37°F)
Max Temperature
13°C (55°F)
Chance of Rain
40%
Precipitation
109 mm (4.3 in)
Rainy days
12 days
Humidity
83% *
Sunshine
141 hours *
Percentage Sunshine
48% *
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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tolerable
unpleasant
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What to Wear in Rocklin in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Rocklin 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 Rocklin's climate page.
Temperature Rainfall Sunshine Humidity
See the full Rocklin climate overview or explore weather in the United States of America.
