Salmon (ID) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Salmon.

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 January.

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 January, 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 January.

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 days. For more details, please visit our Salmon Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Salmon

The best time to visit Salmon is during May, June, August and September, when the weather provides comfortable temperatures between 19°C (67°F) and 29°C (85°F). With rainfall of 18 mm (0.7 in) to 31 mm (1.2 in), you can expect pleasant weather during your visit in these months.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

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 a distinct dry season from January to December.

What temperatures can I expect in Salmon?

Daytime highs range from -2°C (28°F) in January 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 (ID) 3-Day Forecast

Salmon on the map

Salmon is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.