Best time to visit Lewiston

Find the best time to visit Lewiston and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

Lewiston by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Lewiston?

The best time to visit Lewiston is June based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°F)

  • 37°F maximum daytime temperature in January in Lewiston37
    Jan
  • 45°F maximum daytime temperature in February in Lewiston45
    Feb
  • 52°F maximum daytime temperature in March in Lewiston52
    Mar
  • 61°F maximum daytime temperature in April in Lewiston61
    Apr
  • 70°F maximum daytime temperature in May in Lewiston70
    May
  • 79°F maximum daytime temperature in June in Lewiston79
    Jun
  • 88°F maximum daytime temperature in July in Lewiston88
    Jul
  • 88°F maximum daytime temperature in August in Lewiston88
    Aug
  • 77°F maximum daytime temperature in September in Lewiston77
    Sep
  • 63°F maximum daytime temperature in October in Lewiston63
    Oct
  • 46°F maximum daytime temperature in November in Lewiston46
    Nov
  • 39°F maximum daytime temperature in December in Lewiston39
    Dec

Hours of Sunshine (daily)

Best time to visit

The weather guide for Idaho (Lewiston) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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Which is the hottest month in Lewiston?

The hottest time of year in Lewiston is normally July. Expect maximum daytime temperatures to reach 88°F with moderate heat and humidity.

Which month has the most rain in Lewiston?

In terms of rainfall, January is usually the wettest month in Lewiston with 1.6 inches on average. There are normally 11 days in January with some rain.

When is it sunniest in Lewiston?

The sunniest time of year in Lewiston is normally July with bright sunshine on average for 90% of daylight hours; that's 14 hours of sunshine per day.

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