Climate Insights for Salt Lake City International Airport

The climate in Salt Lake City International Airport is temperate. The average annual temperature is 12°C and approximately 507mm of precipitation falls per year. April is the wettest month, receiving around 75mm of rainfall. Salt Lake City International Airport 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 January, December, February, when temperatures can drop to -5°C. Snowfall occurs from January to December, with around 145cm accumulating over the season.

Salt Lake City International Airport has a wide annual temperature range, spanning 39°C from the coldest to warmest months. The warmest month is July, when average highs reach 34°C and the mean temperature sits around 27°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -1°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 9°C shift in average temperatures.

Salt Lake City International Airport is a relatively dry area, receiving approximately 507mm of precipitation annually, which averages out to around 42mm per month. The wettest month is April, averaging 75mm of rainfall. March and January also tend to see above-average precipitation. The driest month is August, with just 7mm. That's 68mm less than April, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 145cm accumulating over the season. January typically sees the most snow at around 46cm.

Salt Lake City International Airport is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently spring in Salt Lake City International Airport, which began on March 20, 2026. Salt Lake City International Airport 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 34°C, while the coldest stretch bottoms out in January near -5°C. Summer is next, beginning on June 21, 2026 — 4 days from now.

The best time to visit Salt Lake City International Airport is during May, June and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 41mm per month. By contrast, July can be uncomfortably hot with highs reaching 34°C, while January is the coldest period with lows dropping to -5°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 Salt Lake City International Airport 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.