Brunswick in Winter
In winter (December, January and February), Brunswick sees average daytime highs around 32°F and overnight lows near 18°F, with 10.5 in of precipitation over about 29 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Over the season highs ease from about 39°F in early December to 35°F by late February. The sky is clear or mostly clear about 36% of the time across winter, and the air most often feels dry.
Winter is Brunswick's weakest season of the year to visit on our travel score. For the whole year in context, see Brunswick's year-round climate.
- Avg daytime high
- 32°F
- coldest season of the year
- Avg overnight low
- 18°F
- Precipitation
- 10.5 in
- 29 wet days
- Avg wind
- 8 mph
- Travel score
- 0.0
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Brunswick in Winter
Over the season highs ease from about 39°F in early December to 35°F by late February.
A typical winter day in Brunswick reaches about 32°F and drops to 18°F overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Brunswick
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.
Brunswick 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 | 30° / 15° | 3.3 | 9.2 | 6.8 | 9.1 | 0.0 |
| Feb | 32° / 16° | 3.0 | 8.7 | 6.6 | 10.2 | 0.0 |
| Mar | 40° / 25° | 3.9 | 10.2 | 5.9 | 11.6 | 0.2 |
| Apr | 51° / 37° | 3.8 | 10.7 | 2.1 | 13.2 | 2.6 |
| May | 62° / 46° | 3.1 | 10.6 | 0.1 | 14.5 | 5.1 |
| Jun | 71° / 56° | 3.6 | 10.7 | 0 | 15.2 | 6.4 |
| Jul | 77° / 62° | 3.1 | 9.9 | 0 | 14.9 | 6.8 |
| Aug | 76° / 61° | 3.1 | 8.7 | 0 | 13.8 | 7.2 |
| Sep | 69° / 54° | 3.4 | 8.6 | 0 | 12.3 | 6.6 |
| Oct | 57° / 44° | 4.5 | 9.9 | 0.2 | 10.8 | 4.2 |
| Nov | 46° / 33° | 3.6 | 9.5 | 1.8 | 9.5 | 1.2 |
| Dec | 36° / 22° | 4.1 | 11 | 6.2 | 8.8 | 0.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 36% of the time across winter.
Chance of precipitation in Winter
Brunswick gets around 10.5 in of rain and snow over 29 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 hours in early December to 10 h 48 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 2.1 kWh/m².
Hazard calendar for Brunswick
None of Brunswick's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Brunswick sits in the Atlantic hurricane belt; the season peaks August–October.
Is winter a good time to visit Brunswick?
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 Brunswick.
What to pack for Brunswick in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Brunswick sees daytime highs around 32°F and nights near 18°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 29 days see rain.
Sea temperature near Brunswick in Winter
The nearest coast averages about 41°F across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 mi away) is warmest in August at about 62°F and coldest in March near 38°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 41 | 38 | 38 | 41 | 47 | 54 | 60 | 62 | 58 | 54 | 49 | 45 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 41 | Bracing |
| Feb | 38 | Bracing |
| Mar | 38 | Bracing |
| Apr | 41 | Bracing |
| May | 47 | Bracing |
| Jun | 54 | Bracing |
| Jul | 60 | Cool |
| Aug | 62 | Cool |
| Sep | 58 | Bracing |
| Oct | 54 | Bracing |
| Nov | 49 | Bracing |
| Dec | 45 | Bracing |
UV index in Brunswick 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 Brunswick peaks around July 12 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 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 | 7 | 4 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | Very high | Moderate | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 7 | Very high |
| Aug | 4 | Moderate |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Brunswick?
Brunswick sits at 43.9°N, 70.0°W, 62 ft above sea level, in United States. The nearest listed city is Lewiston, 18 mi away.
Topography around Brunswick
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Brunswick.
Within 2 miles, the terrain around Brunswick has only modest variations in elevation — a maximum elevation change of 249 ft around an average of 92 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 456 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,526 ft.
The land around Brunswick is covered by trees (60%) within 2 miles, trees (68%) within 10 miles, and trees (62%) and water (33%) 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 Brunswick (43.9145°, -69.9653°, elevation 62 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.