Yosemite National Park is definitely worth a visit
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Salmon (ID) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Salmon.
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Climate overview of Salmon
The climate in Salmon, Idaho, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in July to -2°C (28°F) in December.
With just 218 mm (8.6 in) of annual rain/snowfall, the city has a dry, desert-like climate.
Salmon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Salmon - and find the best time to visit.
Monthly Temperature in Salmon
In Salmon, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 31°C (88°F) in July. In December, the coolest month of the year, temperatures drop to a very cold -2°C (28°F).
At night, temperatures range from around 11°C (52°F) in July to -10°C (14°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Salmon
Salmon sits in an arid zone with minimal moisture, averaging 218 mm (8.6 in) of rain/snowfall per year. Salmon can be quite wet during June, receiving approximately 31 mm (1.2 in) of precipitation over 10 rainy days.
In contrast, during the driest month (February), you will experience much drier conditions, with 8.9 mm (0.4 in) of precipitation spread across 6 snowy days. For more details, please visit our Salmon Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Salmon
For comfortable weather, consider visiting Salmon in May, June, August and September. Conditions are usually least favourable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
mixed
Apr
very good
May
excellent
Jun
excellent
Jul
very good
Aug
excellent
Sep
excellent
Oct
very good
Nov
mixed
Dec
very cold
- Best overall: May, June, August and September
- Warmest weather: July and August
- Seasonal pattern: Very little rainfall year-round, with very warm summers and very cold winters
- Coldest conditions: December, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Salmon
What is the best time to visit Salmon?
May, June, August and September typically offer the most optimal weather in Salmon. In contrast, January, February and December tend to have less optimal conditions. Salmon has very little rainfall year-round, with very warm summers and very cold winters.
What temperatures can I expect in Salmon?
Daytime highs range from -2°C (28°F) in December to 31°C (88°F) in July. Nighttime lows range from -10°C (14°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Salmon get?
Annual rainfall is around 218 mm (8.6 in). June is the wettest month with 31 mm (1.2 in), while February is the driest with 8.9 mm (0.4 in).
Salmon 3-Day Forecast
Salmon on the map
Salmon is highlighted - select any city to see its climate.
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