Lewistown Weather in May

During May, Lewistown experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 3°C (37°F). As the wettest month of the year, expect frequent rainfall.

Rainfall in Lewistown in May

Expect frequent showers this month, so make sure to have an umbrella to keep yourself dry. Historically, May sees about 18 days of rain, with a monthly average of 100 mm (3.9 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Lewistown in May

If you're visiting Lewistown in May, expect highs of 16°C (61°F) and overnight lows around 3°C (37°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

For Lewistown itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.