Chaves in Winter
In winter (December, January and February), Chaves sees average daytime highs around 10°C and overnight lows near 3°C, with 242 mm of precipitation over about 26 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 10°C. The sky is clear or mostly clear about 30% of the time across winter, and the air most often feels dry.
Winter is Chaves's weakest season of the year to visit on our travel score. For the whole year in context, see Chaves's year-round climate.
- Avg daytime high
- 10°C
- coldest season of the year
- Avg overnight low
- 3°C
- Precipitation
- 242 mm
- 26 wet days
- Avg wind
- 8 km/h
- Travel score
- 2.3
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Chaves in Winter
Across winter, daytime highs hold fairly steady around 10°C.
A typical winter day in Chaves reaches about 10°C and drops to 3°C overnight. The warmest of the three months is February, the coolest January.
Chaves 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 (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 3° | 87 | 9.6 | 1 | 9.3 | 1.9 |
| Feb | 11° / 3° | 59 | 7.5 | 0.9 | 10.3 | 2.8 |
| Mar | 14° / 5° | 74 | 9.2 | 0.1 | 11.7 | 4.2 |
| Apr | 16° / 6° | 73 | 10.9 | 0 | 13.1 | 4.8 |
| May | 19° / 9° | 68 | 10.1 | 0 | 14.3 | 6.1 |
| Jun | 23° / 12° | 33 | 5.5 | 0 | 15 | 7.8 |
| Jul | 27° / 14° | 18 | 3.4 | 0 | 14.7 | 8.2 |
| Aug | 27° / 14° | 19 | 4 | 0 | 13.7 | 8.0 |
| Sep | 23° / 12° | 42 | 5.9 | 0 | 12.3 | 7.7 |
| Oct | 18° / 9° | 110 | 10.2 | 0 | 10.9 | 5.6 |
| Nov | 12° / 5° | 90 | 10.8 | 0.1 | 9.6 | 3.3 |
| Dec | 10° / 3° | 97 | 9.3 | 0.4 | 9 | 2.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 30% of the time across winter.
Chance of precipitation in Winter
Chaves gets around 242 mm of rain and snow over 26 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 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 12 min in early December to 10 h 54 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 2.0 kWh/m².
Is winter a good time to visit Chaves?
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 Chaves.
What to pack for Chaves in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Chaves sees daytime highs around 10°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 26 days see rain.
UV index in Chaves 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 Chaves peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (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) | 2 | 3 | 5 | 7 | 7 | 9 | 9 | 9 | 6 | 5 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | 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 | 7 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Chaves 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 Chaves is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 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 | 11 | 14 | 12 | 8 | 9 | 18 | 14 | 18 | 14 | 7 | 7 |
| Level | Good | Good | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 14 | Moderate |
| Apr | 12 | Good |
| May | 8 | Good |
| Jun | 9 | Good |
| Jul | 18 | Moderate |
| Aug | 14 | Moderate |
| Sep | 18 | Moderate |
| Oct | 14 | Moderate |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Chaves?
Chaves sits at 41.7°N, 7.5°W, 362 m above sea level, in Portugal. The nearest listed city is Cabeceiras de Basto, 50 km away.
Topography around Chaves
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chaves.
Within 3 km, the terrain around Chaves has only modest variations in elevation — a maximum elevation change of 145 m around an average of 378 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 839 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,082 m.
The land around Chaves is covered by grassland (34%), cropland (22%) and artificial surfaces (22%) within 3 km, grassland (53%) and trees (33%) within 16 km, and trees (45%) and grassland (45%) within 80 km.
Portugal travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $32,082
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 612
- 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 Chaves (41.7402°, -7.4688°, elevation 362 m), 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.