Portland Weather in January

With daytime temperatures of 21°C (70°F) and nighttime lows of 15°C (59°F), January in Portland brings pleasant temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Portland in January

Typically, about 8 days will experience rainfall, with an average of 42 mm (1.7 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Portland in January

January is one of the better months to visit Portland. Expect 21°C (70°F) during the day and 15°C (59°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

If you're inclined towards comfortable temperatures and drier conditions, January is a good time to visit Portland.