The highest day temperature in February 2025 was 49°F. The lowest night temperature was 1°F. The average values for day and night temperatures during February were 30.1°F и 20.1°F respectivly.

The average sea surface temperature in February 2025 for Portsmouth was 36.5°F. The maximum and minimum values were 35.0°F and 38.6°F respectively.

You can expect various weather conditions during February. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in February for Portsmouth is 0.9 in. It makes february one of the least rainy months of the year.

The average wind speed in February is 9.6 mph. It makes February one of the most windy months of the year for Portsmouth.

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 Portsmouth in February is 5.3 hours.