Weather in Oak Park: January
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Average day temperature: | 28.6°F |
| Average night temperature: | 23.6°F | |
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Sea water temperature: | 36.0°F |
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Number of sunny days: | 7 days |
| Day length: | 9.2 - 10.0 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.9 in. | |
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forecast
| Oak Park |
temperature
| Oak Park |
Air temperature in January, °F
The highest day temperature during January of 2026 was 53°F. At the same time the lowest night temperature was -8°F. Daily and nightly averages during January were 25.6°F and 19.0°F.
Sea water temperature in Oak Park in January, °F
The average sea water temperature in January of 2026 was 35.8°F. The highest and lowest sea temperatures during the month were 37.9°F and 33.4°F.
Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Oak Park in January is 0.9 in. Other months of the year show relatively similar values.
The average wind speed value in January is 8.3 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: 3.8.
Best time for vacation in Oak Park
Oak Park on a weather map
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