Bonney Lake in Winter
In winter (December, January and February), Bonney Lake sees average daytime highs around 45°F and overnight lows near 37°F, with 20.4 in of precipitation over about 51 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 45°F. The sky is clear or mostly clear about 15% of the time across winter, and the air most often feels dry.
Winter is Bonney Lake's weakest season of the year to visit on our travel score. For the whole year in context, see Bonney Lake's year-round climate.
- Avg daytime high
- 45°F
- coldest season of the year
- Avg overnight low
- 37°F
- Precipitation
- 20.4 in
- 51 wet days
- Avg wind
- 6 mph
- Travel score
- 0.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Bonney Lake in Winter
Across winter, daytime highs hold fairly steady around 45°F.
A typical winter day in Bonney Lake reaches about 45°F and drops to 37°F overnight. The warmest of the three months is February, the coolest December.
How winter really feels in Bonney Lake
Once humidity and wind are folded in, winter brings about 0 days that feel above 90°F and 42 that feel at or below 32°F.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Bonney Lake 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 | 45° / 37° | 7.5 | 18.2 | 5.6 | 8.7 | 0.7 |
| Feb | 47° / 37° | 5.2 | 14.8 | 4.6 | 10 | 1.2 |
| Mar | 50° / 39° | 6.0 | 17.8 | 5 | 11.6 | 1.9 |
| Apr | 55° / 42° | 4.6 | 15.8 | 1.8 | 13.3 | 3.0 |
| May | 62° / 47° | 3.1 | 11.9 | 0.2 | 14.8 | 4.9 |
| Jun | 66° / 52° | 2.3 | 9.2 | 0 | 15.6 | 6.2 |
| Jul | 73° / 56° | 0.8 | 4.1 | 0 | 15.3 | 8.0 |
| Aug | 73° / 56° | 1.1 | 4.5 | 0 | 14 | 8.0 |
| Sep | 68° / 52° | 2.5 | 8.1 | 0 | 12.4 | 6.7 |
| Oct | 58° / 46° | 5.2 | 13.7 | 0.1 | 10.6 | 4.0 |
| Nov | 49° / 40° | 8.1 | 18.1 | 2.4 | 9.1 | 1.6 |
| Dec | 44° / 37° | 7.7 | 17.7 | 6 | 8.4 | 0.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 15% of the time across winter.
Chance of precipitation in Winter
Bonney Lake gets around 20.4 in of rain and snow over 51 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 6 mph across winter.
Sunrise & sunset in Winter
Daylight runs from about 8 h 36 min in early December to 10 h 42 min 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 1.3 kWh/m².
Hazard calendar for Bonney Lake
In winter, Bonney Lake overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Bonney Lake's rainy season runs October–April, when most of the year's rain falls.
Is winter a good time to visit Bonney Lake?
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 Bonney Lake.
What to pack for Bonney Lake in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Bonney Lake sees daytime highs around 45°F and nights near 37°F. Pack a warm layer and rain gear. Worth having: a heavy coat. About 51 days see rain.
UV index in Bonney Lake in Winter
Clear-sky midday UV across winter averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bonney Lake peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 6 | 9 | 6 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | Very high | High | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | Very high |
| Jun | 6 | High |
| Jul | 9 | Very high |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Bonney Lake 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 Bonney Lake is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 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) | 8 | 9 | 12 | 12 | 11 | 10 | 10 | 18 | 22 | 12 | 8 | 7 |
| Level | Good | Good | Moderate | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 12 | Moderate |
| Apr | 12 | Good |
| May | 11 | Good |
| Jun | 10 | Good |
| Jul | 10 | Good |
| Aug | 18 | Moderate |
| Sep | 22 | Moderate |
| Oct | 12 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Bonney Lake?
Bonney Lake sits at 47.2°N, 122.2°W, 574 ft above sea level, in United States. The nearest listed city is South Hill, 4.3 mi away.
Topography around Bonney Lake
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Bonney Lake.
Within 2 miles, the terrain around Bonney Lake has only modest variations in elevation — a maximum elevation change of 699 ft around an average of 430 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,906 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 14,403 ft.
The land around Bonney Lake is covered by trees (59%) within 2 miles, trees (60%) and grassland (23%) within 10 miles, and trees (79%) 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 Bonney Lake (47.1771°, -122.1865°, elevation 574 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.