Lewiston
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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.

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).

Lewiston Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lewiston - and find the best time to visit.

Best Places in the United States of America in July

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

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Lewiston 3-Day Forecast

Popular in July

Where to go in July - average daytime high across popular destinations.

Bucket list

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