Salmon weather by month

Check out Salmon weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & UV index

Temperature in Salmon (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	30	37	46	57	66	75	84	82	72	59	41	30
Min temperature (night-time)	10	16	23	28	36	45	48	46	37	28	21	12
Heat & Humidity	0	0	0	0	0	0	M	L	0	0	0	0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Salmon

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	4	5	7	8	9	11	12	11	9	7	4	3
Daily hours of daylight	9	10	12	14	15	16	15	14	12	11	10	9
UV Index (Maximum)	1	2	4	6	7	9	9	8	6	3	2	1

Rainfall in Salmon

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	13	10	12	10	11	9	7	7	7	7	11	12
Average monthly rainfall (inches)	0.8	0.6	0.7	0.9	1.5	1.7	0.9	0.9	0.9	0.7	0.7	0.8

More about Salmon

Salmon by month

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

Recommended for Idaho

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

The climate guide for Idaho (Salmon) shows long term monthly 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.

What's the climate like in Salmon?

Salmon has a cold semi arid climate with warm summers.

Salmon weather in January

Expect daytime maximum temperatures of 30°F in Salmon, Idaho in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 13 days with some rainfall, which might fall as snow.

30
30°F max day temperature
4
4 hours of sunshine per day
13
13 days with some rainfall
10
10°F min night temperature
9
9 hours of daylight per day
0
No heat & humidity
0.8
0.8 inches of monthly rainfall
1
1 (Low) UV index

Back to months

Salmon weather in February

Expect daytime maximum temperatures of 37°F in Salmon, Idaho in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall, which might fall as snow.

37
37°F max day temperature
5
5 hours of sunshine per day
10
10 days with some rainfall
16
16°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
0.6
0.6 inches of monthly rainfall
2
2 (Low) UV index

Back to months

Salmon weather in March

Expect daytime maximum temperatures of 46°F in Salmon, Idaho in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall.

46
46°F max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
23
23°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
0.7
0.7 inches of monthly rainfall
4
4 (Moderate) UV index

Back to months

Salmon weather in April

Expect daytime maximum temperatures of 57°F in Salmon, Idaho in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall.

57
57°F max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
28
28°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
0.9
0.9 inches of monthly rainfall
6
6 (High) UV index

Back to months

Salmon weather in May

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

Back to months

Salmon weather in June

Expect daytime maximum temperatures of 75°F in Salmon, Idaho in June based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 1.7 inches of rainfall in the month.

75
75°F max day temperature
11
11 hours of sunshine per day
9
9 days with some rainfall
45
45°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
1.7
1.7 inches of monthly rainfall
9
9 (Very High) UV index

Back to months

Salmon weather in July

Expect daytime maximum temperatures of 84°F in Salmon, Idaho in July based on long-term weather averages. There are 12 hours of sunshine per day on average.

84
84°F max day temperature
12
12 hours of sunshine per day
7
7 days with some rainfall
48
48°F min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
0.9
0.9 inches of monthly rainfall
9
9 (Very High) UV index

Back to months

Salmon weather in August

Expect daytime maximum temperatures of 82°F in Salmon, Idaho in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

82
82°F max day temperature
11
11 hours of sunshine per day
7
7 days with some rainfall
46
46°F min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
0.9
0.9 inches of monthly rainfall
8
8 (Very High) UV index

Back to months

Salmon weather in September

Expect daytime maximum temperatures of 72°F in Salmon, Idaho in September based on long-term weather averages. There are 9 hours of sunshine per day on average.

72
72°F max day temperature
9
9 hours of sunshine per day
7
7 days with some rainfall
37
37°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
0.9
0.9 inches of monthly rainfall
6
6 (High) UV index

Back to months

Salmon weather in October

Expect daytime maximum temperatures of 59°F in Salmon, Idaho in October based on long-term weather averages. There are 7 hours of sunshine per day on average.

59
59°F max day temperature
7
7 hours of sunshine per day
7
7 days with some rainfall
28
28°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
0.7
0.7 inches of monthly rainfall
3
3 (Moderate) UV index

Back to months

Salmon weather in November

Expect daytime maximum temperatures of 41°F in Salmon, Idaho in November based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.

41
41°F max day temperature
4
4 hours of sunshine per day
11
11 days with some rainfall
21
21°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
0.7
0.7 inches of monthly rainfall
2
2 (Low) UV index

Back to months

Salmon weather in December

Expect daytime maximum temperatures of 30°F in Salmon, Idaho in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 12 days with some rainfall, which might fall as snow.