Lewiston Weather in August

During August, Lewiston experiences high daytime temperatures of 26°C (79°F) and cooler nights around 14°C (57°F). As part of the summer season, expect quite a bit of rainfall. Around 119 mm (4.7 in) is typical.

Rainfall in Lewiston in August

Historically, August sees about 12 days of rain, with a monthly average of 119 mm (4.7 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Lewiston in August

Daytime temperatures in Lewiston reach 26°C (79°F) in August, dropping to 14°C (57°F) at night. The summer season is characteristic of August. Overall, the month follows a fairly predictable daily temperature pattern. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Lewiston in August

Expect sunny days throughout the month, with an estimated 267 hours of sunshine. This makes it a pleasant time to visit Lewiston.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Lewiston.