Salmon weather in May 2026

Q: How hot is it in Salmon in May?

Daytime temperatures usually reach 22°C in Salmon in May, falling to 6°C at night.

Q: How sunny is it in Salmon in May?

There are normally 11 hours of bright sunshine each day in Salmon in May - that's 73% of daylight hours.

Q: Does it rain in Salmon in May?

There are usually 7 days with some rain in Salmon in May and the average monthly rainfall is 27mm.

Expect daytime maximum temperatures of 66°F in Salmon, Idaho in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall.

66
66°F max day temperature
9
9 hours of sunshine per day
11
11 days with some rainfall
36
36°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
1.5
1.5 inches of monthly rainfall
7
7 (High) UV index

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The May weather guide for Idaho (Salmon) 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) | Imperial (°F)

More about the USA

How hot is it in Salmon in May?

Daytime temperatures usually reach 72°F in Salmon in May, falling to 43°F at night.

How sunny is it in Salmon in May?

There are normally 11 hours of bright sunshine each day in Salmon in May - that's 73% of daylight hours.

Does it rain in Salmon in May?

There are usually 7 days with some rain in Salmon in May and the average monthly rainfall is 1.1 inches.

Salmon May sunrise & sunset times

Browse the sunrise and sunset times for Salmon in May 2026. Select a month to view Salmon sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Friday, 1st May 2026	05:24	19:42
Saturday, 16th May 2026	05:05	20:00
Sunday, 31st May 2026	04:52	20:15

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Idaho - quick facts
Flight time^✝	13 hours
Time difference	UK -7 to -8 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Idaho Department of Commerce - Tourism Development