Lewiston Weather in July

Lewiston in July sees high temperatures, with highs around 27°C (81°F) and overnight lows of 16°C (61°F). Rainfall is fairly high at around 101 mm (4 in) on average, so pack waterproofs just in case.

Rainfall in Lewiston in July

Expect around 13 days of rain based on historical data, with 101 mm (4 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Lewiston in July

July in Lewiston sees highs of 27°C (81°F) and lows of 16°C (61°F) overnight. This month falls in the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 16°C (61°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. This is typically the warmest month of the year, so light summer clothing is a good idea.

Sunshine in Lewiston in July

There are approximately 278 hours of sunshine this month, resulting in mostly clear days.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Lewiston's climate page.

Lewiston Temperature in July

Min Temperature 16°C (61°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 43%  

Precipitation 101 mm (4 in)  

Rainy days 13 days  

Humidity 75% *  

Sunshine 278 hours *  

Percentage Sunshine 60% *  

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

What to Wear in Lewiston in July

Warm but pleasant conditions in Lewiston in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Lewiston in July

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Lewiston's climate page.

More climate data for Lewiston

Temperature Rainfall Sunshine Humidity

See the full Lewiston climate overview or explore weather in the United States of America.