The highest day temperature in January 2026 was 40°F. The lowest night temperature was 4°F. The average values for day and night temperatures during January were 28.3°F и 24.4°F respectivly.

The average sea surface temperature in January 2026 for Lagan was 33.3°F. The maximum and minimum values were 31.8°F and 37.8°F respectively.

Most of the days in January are gloomy but you can also expect sunny days.

Precipitation total in January for Lagan is 0.6 in.

The average wind speed in January is 12.2 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Lagan in January is 3.7 hours.