Climate Insights for Pocatello

The climate in Pocatello is cool. The average annual temperature is 8°C and approximately 570mm of precipitation falls per year. May is the wettest month, receiving around 66mm of rainfall. Pocatello is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are December, January, February, when temperatures can drop to -8°C. Snowfall occurs from January to December, with around 183cm accumulating over the season.

Pocatello has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 23°C. The coldest month is December, when overnight lows fall to -8°C and the daily average is -5°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.

Pocatello is a relatively dry area, receiving approximately 570mm of precipitation annually, which averages out to around 48mm per month. The wettest month is May, averaging 66mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 15mm. That's 51mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 183cm accumulating over the season. December typically sees the most snow at around 42cm.

Pocatello is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 11km/h in winter, 13km/h in spring, 14km/h in summer, 13km/h in autumn.

Advertisements

It is currently spring in Pocatello, which began on March 20, 2026. Pocatello is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 30°C, while the coldest stretch bottoms out in December near -8°C. Summer is next, beginning on June 21, 2026 — 51 days from now.

The best time to visit Pocatello is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 30mm per month. By contrast, December can be quite cold with temperatures dropping to -8°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Pocatello based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.