Lewiston weather in May 2025

Expect 21°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Lewiston in May. Check more long-term weather averages for Lewiston in May before you book your next holiday to Idaho in 2025/2026.

  • 21°C maximum daytime temperature in May in Lewiston21
    21°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Lewiston9
    9 days with some rainfall
  • 7°C minimum night-time temperature in May in Lewiston7
    7°C min night temperature
  • 15 hours of daylight per day in May in Lewiston15
    15 hours of daylight per day
  • No heat & humidity in May in Lewiston0
    No heat & humidity
  • 37 mm monthly rainfall in May in Lewiston37
    37 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Lewiston7
    7 (High) UV index

More about Lewiston

Lewiston by month

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

Recommended for Idaho

  • 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

The May 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 May?

Daytime temperatures usually reach 21°C in Lewiston in May, falling to 7°C at night.

How sunny is it in Lewiston in May?

There are normally 9 hours of bright sunshine each day in Lewiston in May - that's 61% of daylight hours.

Does it rain in Lewiston in May?

There are usually 9 days with some rain in Lewiston in May and the average monthly rainfall is 37mm.

Lewiston May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:33 18:58
Friday, 16th May 2025 04:13 19:17
Saturday, 31st May 2025 04:00 19:33

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^