Lewiston weather in May (Maine, United States of America)

Will it be rainy or sunny in Lewiston this May? Check out our in-depth weather guide for this month.

Temperatures

Typically, May in Lewiston includes pleasant temperatures and moderate rainfall. Daytime temperatures are expected to be around 19°C, cooling off to about 7°C at night.

Precipitation

Lewiston in May usually receives moderate rainfall, averaging around 93 mm for the month. You can typically expect 14 days days of rain this month, based on climate records.

Average sunshine

The city usually sees around 244 hours of sunlight, indicating many sunny days.

If you favor pleasant temperatures and minimal rainfall, May is one of the better months to visit Lewiston. May, June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, April, November and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Lewiston climate page with graphs.

 

Lewiston, monthly averages in May

Min Temperature 7°C  

Max Temperature 19°C  

Chance of Rain 47%  

Precipitation 93 mm  

Rainy days 14 days  

Humidity 71% *  

Sunshine 244 hours *  

Percentage Sunshine 53% *  

Data from: Portland, the United States of America (48 KM, 30 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Lewiston, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Lewiston.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.