Portimão, Algarve weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: June – September
What is the weather like in Portimão, Algarve in January?
In January, Portimão, Algarve is cool: daytime highs average 16 °C, and nights cool down to about 9 °C. The sea averages 16.0 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 57 mm. All in all, January is not an ideal month for a holiday in Portimão, Algarve.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 24 | 26 | 31 |
| Day | 16° | 16° | 17° |
| Night | 10° | 9° | 9° |
| Sea | 17° | 16° | 15° |
| Sun | 6 h | 7 h | 8 h |
| Rain days | 9 | 8 | 7 |
More details for January
- Daylight
- 9 h 52 min07:47 – 17:39
- UV index
- 2 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 21 km/haverage daily peak
- Cloud cover
- 51 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+0Europe/Lisbon
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %58 %
- Few rainy daysweight 20 %72 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- A jumper for the evenings
Portimão, Algarve in January: quick answers
Is Portimão, Algarve hot in January?
No. In January, Portimão, Algarve is cool: daytime highs average 16 °C and nights drop to about 9 °C.
Can you swim in Portimão, Algarve in January?
Only if you don't mind cold water: in January the sea averages just 16.0 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Portimão, Algarve in January?
Rain falls on about 8 days, adding up to 57 mm.
Portimão, Algarve month by month
The whole year in Portimão, AlgarveAll destinations: Portugal
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)