Lewiston weather in July 2025

Expect 31°C daytime maximum temperatures in the shade with on average 14 hours of sunshine per day in Lewiston in July. Check more long-term weather averages for Lewiston in July before you book your next holiday to Idaho in 2025/2026.

  • 31°C maximum daytime temperature in July in Lewiston31
    31°C max day temperature
  • 14 hours of sunshine per day
  • 5 days with some rainfall in July in Lewiston5
    5 days with some rainfall
  • 13°C minimum night-time temperature in July in Lewiston13
    13°C min night temperature
  • 15 hours of daylight per day in July in Lewiston15
    15 hours of daylight per day
  • Moderate heat & humidity in July in LewistonM
    Moderate heat & humidity
  • 17 mm monthly rainfall in July in Lewiston17
    17 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Lewiston8
    8 (Very High) UV index

More about Lewiston

Lewiston by month

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

Recommended for Idaho

Auto Europe: Cheap car hire deals worldwide

  • Compare car hire prices to find lowest rate
  • Free cancellation up to 48 hours before pick up
  • Book car hire for over 20,000 destinations worldwide
Go to Auto Europe deal >>

View all Auto Europe offers

The July weather guide for Idaho (Lewiston) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in Lewiston in July?

Daytime temperatures usually reach 31°C in Lewiston in July with moderate heat and humidity, falling to 13°C at night.

How sunny is it in Lewiston in July?

There are normally 14 hours of bright sunshine each day in Lewiston in July - that's 90% of daylight hours.

Does it rain in Lewiston in July?

There are usually 5 days with some rain in Lewiston in July and the average monthly rainfall is 17mm.

Lewiston July sunrise & sunset times

Browse the sunrise and sunset times for Lewiston in July 2025. Select a month to view Lewiston sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:00 19:44
Wednesday, 16th July 2025 04:12 19:36
Thursday, 31st July 2025 04:29 19:19

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^