Weather in May 2025

Lewiston weather in May 2025

The temperatures in Lewiston in May are quite cold with temperatures between 8°C and 17°C, warm clothes are a must.

You can expect rain for roughly half of the month of May in Lewiston. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.

Our weather forecast can give you a great sense of what weather to expect in Lewiston in May 2025.

If you’re planning to visit Lewiston in the near future, we highly recommend that you review the 14 day weather forecast for Lewiston before you arrive.

Temperatures
Temperatures
17° / 8°
Rainy Days
Rainy Days
8
Snowy Days
Snowy Days
0
Dry Days
Dry Days
23
Rainfall
Rainfall
110
mm
8.3
Sun Hours
8.3
Hrs

Lewiston annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -3° / -9° 4 15 12 108 mm
Awful
February -1° / -9° 4 11 13 113 mm
Awful
March 3° / -4° 7 14 11 124 mm
Awful
April 10° / 2° 8 18 4 134 mm
Awful
May 17° / 8° 8 23 0 110 mm
Ok
June 22° / 12° 7 23 0 134 mm
Ok
July 25° / 15° 6 25 0 104 mm
Perfect
August 25° / 15° 5 26 0 111 mm
Perfect
September 21° / 11° 5 25 0 84 mm
Good
October 14° / 6° 7 23 0 143 mm
Ok
November 7° / 0° 6 20 4 115 mm
Bad
December 1° / -4° 7 14 10 149 mm
Awful
Temperatures in Lewiston in May
Rain in Lewiston in May

Recommended Hotels in Lewiston

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Weather in Lewiston in May - FAQ

What is the average temperature in Lewiston in May?
The average temperature in Lewiston in May is 8/17° C.
What is the chance of rain in Lewiston in May?
On average, there are 8 rainy days in Lewiston during May.
Weather wise, is May a good time to visit Lewiston?
The weather in Lewiston in May is ok.
Can it snow in Lewiston in May?
On average, there are 0 snowy days in Lewiston in May.
More about the weather in Lewiston