Weather in Montesilvano: January
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Average day temperature: | 50.2°F |
| Average night temperature: | 43.2°F | |
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Sea water temperature: | 52.8°F |
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Number of sunny days: | 13 days |
| Day length: | 9.1 - 9.9 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.6 in. | |
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| Montesilvano |
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| Montesilvano |
Air temperature in January, °F
The highest day temperature during January of 2026 was 58°F. At the same time the lowest night temperature was 36°F. Daily and nightly averages during January were 51.5°F and 46.4°F.
Sea water temperature in Montesilvano in January, °F
The average sea water temperature in January of 2026 was 53.4°F. The highest and lowest sea temperatures during the month were 55.0°F and 50.5°F.
Mostly all days in January are sunny but cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Montesilvano in January is 0.6 in. Other months of the year show relatively similar values.
The average wind speed value in January is 5.6 mph It makes January one of the most windy months of the year.
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: 5.3.
Best time for vacation in Montesilvano
Montesilvano on a weather map
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