Rochester city view

Weather · December

Rochester weather in December

Average highs of 39°F, lows of 25°F and 2.7 in of rain, from 30 years of weather records.

December is Rochester’s 10th warmest month, with average highs of 39°F and lows of 25°F. That is 11° cooler than November, and 20° below the yearly average high.

Average high
39°F
Average low
25°F
Precipitation
2.7 in
Wet days
18
Snow
22.3 in
Sunrise · sunset
7:35 AM · 4:35 PM

December across the year

  1. 33°19°Jan
  2. 35°20°Feb
  3. 44°27°Mar
  4. 57°37°Apr
  5. 69°48°May
  6. 78°57°Jun
  7. 83°62°Jul
  8. 81°61°Aug
  9. 74°54°Sep
  10. 61°43°Oct
  11. 49°34°Nov
  12. 39°25°Dec

High and low Rain

What to wear in December

  • Cold days: a winter coat, hat and gloves.
  • Freezing nights: expect frost on cars in the morning.
  • Pack an umbrella or rain jacket: rain or snow falls on about 18 days this month.
  • Snow is likely (about 22 inches on average): waterproof boots help.

December is good for

What’s on in Rochester in December

See all upcoming events and school days off.

Around Rochester

Seneca Chief2025Bicentennial Voyage Rochester Meeting TheGenesee River B
SenecaChief2025BicentennialVoyageRochesterMeetingTheGeneseeRiverBDanielPenfield · CC BY-SA 4.0
Rochester aerial aug 17 2007
Rochester aerial aug 17 2007Self-made image submitted by Chris Tomkins-Tinch ( en:User:T · CC BY-SA 3.0
Rochester July 7-8, 2025 by Pedro Terres 02 - Kodak Tower
Rochester July 7-8, 2025 by Pedro Terres 02 - Kodak TowerParzeus · CC BY 4.0

See Rochester

A look around town before you go.

Rochester 4k - Driving Downtown - 4k New York, USA video thumbnail

A DRIVE AROUND TOWN

Rochester 4k - Driving Downtown - 4k New York, USA

A recorded local driving tour shared by Peaceful Drives. This is not a live camera or a current traffic report.

Watch on YouTube ↗
There’s so much to do in Rochester, NY! video thumbnail

THINGS TO DO · YOUTUBE SHORT

There’s so much to do in Rochester, NY!

An activity Short shared by Jen Ruiz.

Watch on YouTube ↗

December compared with the months around it

MonthHighLowRain
November49°F34°F2.8 in
December39°F25°F2.7 in
January33°F19°F2.5 in

Planning a trip? See the best time to visit Rochester and today’s forecast.

Questions

How hot does it get in Rochester in December?

Average highs are 39°F and average lows 25°F, for a daily mean of 32°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Rochester in December?

December averages 2.7 in of precipitation over about 18 days with at least 0.01 in. It is the 9th wettest month of the year.

Does it snow in Rochester in December?

Yes, about 22.3 in of snow on average.

What time is sunset in Rochester in December?

Around mid-December the sun rises about 7:35 AM and sets about 4:35 PM, for roughly 9.0 hours of daylight.

Is December a good time to visit Rochester?

The mildest months for visiting are May, August, September. December is cold, with Christmas lights and New Year’s Eve events.

NOAA U.S. Climate Normals 1991–2020, Rochester Gtr Intl Ap station (4.4 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

Rochester AI

Your Rochester local guide
Hey there!

I'm Rochester AI. Ask about local food, shopping, history or a day out.

AI recommendations may be inaccurate. Verify hours and prices. Questions are processed by Cloudflare. Privacy