Quincy in Winter
In winter (December, January and February), Quincy sees average daytime highs around 39°F and overnight lows near 23°F, with 6.2 in of precipitation over about 21 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 39°F. The sky is clear or mostly clear about 28% of the time across winter, and the air most often feels dry.
Winter is Quincy's weakest season of the year to visit on our travel score. For the whole year in context, see Quincy's year-round climate.
- Avg daytime high
- 39°F
- coldest season of the year
- Avg overnight low
- 23°F
- Precipitation
- 6.2 in
- 21 wet days
- Avg wind
- 8 mph
- Travel score
- 0.1
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Quincy in Winter
Across winter, daytime highs hold fairly steady around 39°F.
A typical winter day in Quincy reaches about 39°F and drops to 23°F overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Quincy
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 90 that feel at or below 32°F.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Quincy weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 36° / 20° | 1.9 | 7.2 | 4.2 | 9.5 | 0.0 |
| Feb | 40° / 24° | 2.2 | 7 | 3.2 | 10.4 | 0.2 |
| Mar | 52° / 34° | 2.9 | 9.6 | 1.8 | 11.7 | 2.8 |
| Apr | 64° / 45° | 4.4 | 11.3 | 0.3 | 13 | 5.4 |
| May | 74° / 55° | 4.6 | 12.7 | 0 | 14.2 | 6.3 |
| Jun | 83° / 65° | 4.0 | 10.5 | 0 | 14.8 | 5.8 |
| Jul | 86° / 69° | 3.4 | 9 | 0 | 14.5 | 5.2 |
| Aug | 84° / 66° | 3.2 | 8.4 | 0 | 13.6 | 5.7 |
| Sep | 78° / 58° | 3.3 | 7.4 | 0 | 12.3 | 7.3 |
| Oct | 65° / 46° | 2.8 | 8.5 | 0.2 | 10.9 | 6.2 |
| Nov | 51° / 35° | 2.9 | 7.6 | 0.9 | 9.8 | 2.8 |
| Dec | 40° / 25° | 2.1 | 6.9 | 2.8 | 9.2 | 0.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 28% of the time across winter.
Chance of precipitation in Winter
Quincy gets around 6.2 in of rain and snow over 21 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 24 min in early December to 11 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.3 kWh/m².
Hazard calendar for Quincy
None of Quincy's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Quincy sits in the Atlantic hurricane belt; the season peaks August–October.
Is winter a good time to visit Quincy?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Quincy.
What to pack for Quincy in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Quincy sees daytime highs around 39°F and nights near 23°F. Pack a warm layer and a heavy coat. About 21 days see rain.
UV index in Quincy in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Quincy peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 8 | 10 | 9 | 8 | 7 | 4 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Quincy in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Quincy is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 12 | 10 | 13 | 14 | 16 | 14 | 11 | 7 | 7 | 8 |
| Level | Good | Moderate | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Moderate |
| Mar | 12 | Good |
| Apr | 10 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 16 | Moderate |
| Aug | 14 | Moderate |
| Sep | 11 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 8 | Good |
Where is Quincy?
Quincy sits at 39.9°N, 91.4°W, 568 ft above sea level, in United States. The nearest listed city is Hannibal, 16 mi away.
Topography around Quincy
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Quincy.
Within 2 miles, the terrain around Quincy has only modest variations in elevation — a maximum elevation change of 230 ft around an average of 551 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 328 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 702 ft.
The land around Quincy is covered by trees (35%) and artificial surfaces (29%) within 2 miles, cropland (53%) and trees (26%) within 10 miles, and cropland (53%) and trees (32%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Quincy (39.9356°, -91.4099°, elevation 568 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.