Month guide · Castro Marim, Portugal
Castro Marim in January: weather and what to expect
In January, Castro Marim averages highs of 15°C and lows of 8°C, with about 6 rainy days and 42 mm of rain. Highs are 1°C cooler than in December and 1°C cooler than in February. Our rules rate it good for walking and cycling. Crowds in the Algarve are low.
Is January a good time to visit?
Good for
- Walking and cyclingHighs of 15°C with about 6 rainy days
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through January
Town-level · ERA5-Land 1991-2020Highs stay about the same through the month. A day above 20°C happens in roughly 1 January in 6.
January in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in January 2027
- 1 Jan New Year's Day
Local (municipal) holidays are not included.
Warmer in January
Where is warm in January →| Place | High | Rain days | From Castro Marim |
|---|---|---|---|
| Cabanas de Tavira, Algarve | 16°C | 6 | 17 km |
| Albufeira, Algarve | 16°C | 8 | 73 km |
| Armação de Pêra, Algarve | 16°C | 8 | 82 km |
| Parchal, Algarve | 16°C | 8 | 96 km |
| Ferragudo, Algarve | 16°C | 8 | 96 km |
The nearest towns with a warmer January. Distances are in a straight line.
How January is changing
Town-level · ERA5-LandJanuary highs are 1.0°C warmer than in 1991-2000, and January rainfall is down about 45% (2016-2025 against 1991-2000). Days above 20°C in January went from 0.2 to 0.7 a year on average.
Questions about Castro Marim in January
Is January a good time to visit Castro Marim?
Our rules rate January good for walking and cycling (highs of 15°C with about 6 rainy days).
How warm is Castro Marim in January?
Average highs are 15°C and lows 8°C. December averages 16°C and February 17°C.
Does it rain much in Castro Marim in January?
About 6 days have at least 1 mm of rain, with 42 mm in total over the month.
Is Castro Marim busy in January?
In January 2025, nights booked through online platforms in the Algarve were about 10% of the busiest month, which we count as low. The figure is for the whole region and leaves out hotels.
How long are the days in Castro Marim in January?
About 9 h 52 min from sunrise to sunset in the middle of the month.
Sources
Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology