Weather in Arenas del Mar: January
| Average day temperature: | 68.1°F | |
| Average night temperature: | 64.0°F | |
| Sea water temperature: | 68.6°F | |
| Number of sunny days: | 22 days | |
| Day length: | 10.4 - 10.9 hours | |
| Number of rainy days: | 1 day | |
| Precipitation totals: | 0.4 in. | |
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| Arenas del Mar |
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| Arenas del Mar |
Air temperature in January, °F
The highest day temperature during January of 2025 was 69°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during January were 66.1°F and 63.9°F.
Sea water temperature in Arenas del Mar in January, °F
The average sea water temperature in January of 2025 was 68.6°F. The highest and lowest sea temperatures during the month were 69.3°F and 68.0°F.
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Arenas del Mar in January is 0.4 in. Other months of the year show relatively similar values.
The average wind speed value in January is 8.8 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 8.1.
Best time for vacation in Arenas del Mar
Arenas del Mar on a weather map

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