Cool
Average highs are around 11°C, so pack for cooler days.
March verdict
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 37mm, which is relatively low for holiday planning.

Monthly averages
Temp
11°C
Rain
37mm
Sun
6h
Weather score
36
Poor
Cool
Average highs are around 11°C, so pack for cooler days.
Drier
Rainfall averages 37mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Map
Compare Lewiston, Idaho, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
March11°C average high
March is on the cooler side of Lewiston's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
March37mm average rain
March is close to Lewiston's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
March6 hours average sun
March is below Lewiston's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
March36 weather score
March scores below Lewiston's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.