Salt Lake City, UT Climate & Monthly Averages
Salt Lake City has a Mediterranean climate. July is the hottest month, averaging 93° by day; January is the coldest at 38°.
Winter sets the pace in Salt Lake City
Cold is the baseline in Salt Lake City, not the exception. Night-time lows sit at or below freezing in 5 months of the year, and the warmest month, July, still only averages 93°F (34°C) by day. January runs to 22°F (-5°C) after dark.
July
93° by day 67° at nightJanuary
38° by day 22° at nightThe cold-weather pattern in numbers
January sits at the other end of the year: 38°F (3°C) by day, 22°F (-5°C) at night. July is the warm end of the year, averaging 93°F (34°C) by day and 67°F (19°C) overnight. Between the average July and the average January lie 28°C, a wider spread than 95% of the 3496 cities in our dataset.
Days and nights are about 12°C apart on average - wider than 90% of the 3496 cities in our dataset. June is the brightest month at 14.0 hours of sun a day, against an annual average of 10.3 - sunnier than roughly 75% of the cities we track. Snow falls on roughly 32 days a year, mostly October through April. The gridded 2015-2024 daily record for this location tops out at 104°F (40°C) and bottoms at -8°F (-22°C) - decade extremes, not all-time station records.
More climate facts for Salt Lake City
- Hottest month: July - highs near 93°F (34°C)
- Coldest month: January - highs near 38°F (3°C)
- Decade extremes (2015-2024): 104°F (40°C) high · -8°F (-22°C) low
- Wettest month: March (12 rainy days) · Sunniest: June (14.0 h sun/day)
- Climate type: Mediterranean
- Annual swing: 28°C between the average warmest and coolest month · day to night: 12°C
- Snow: about 32 days a year
- Months averaging 30°C or hotter: 2
- Average humidity: 50%
From snow season to the warmest stretch in Salt Lake City
Spring (March through May)
Spring runs cool rather than cold here - highs near 60°F (16°C), nights near 38°F (3°C), and rain falls on around 31 of the 90 days, plus about 8 snowy days. Daylight is generous - around 10.9 hours of sun a day.
Summer (June through August)
Through summer, Salt Lake City sits firmly in the heat: 89°F (32°C) by day, 63°F (17°C) after dark, and precipitation is sparse, near 1.6 inches (40 mm) for the season. Daylight is generous - around 13.4 hours of sun a day.
Fall (September through November)
Through fall, Salt Lake City is crisp but comfortable: 65°F (18°C) by day, 43°F (6°C) after dark, and expect showers on roughly 18 days across the season, plus about 4 snowy days.
Winter (December through February)
Through winter, Salt Lake City is brisk and cold: 39°F (4°C) by day, 23°F (-5°C) after dark, and rain falls on around 31 of the 90 days, plus about 20 snowy days.
The coldest and warmest values in the dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.
Planning around winter in Salt Lake City
The easier weather window
Aim for April to May and September to October if you get the choice: these are the warmest and brightest weeks of the year, and highs average 68°F (20°C) against roughly 7 wet days a month. For the same question asked the other way round, see where else is warm in April.
Cold-weather packing
Pack for Salt Lake City with lightweight, breathable clothing and serious sun protection, a heavy insulated coat, hat and gloves for winter and rain gear if you travel around March. Note the gap between afternoon and night: July pairs 93°F (34°C) with 67°F (19°C).
Monthly highs, lows and seasonal change
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 38° | 22° | 11 | 2.6 in | 6.8 h/day | 9.6 h | 36% | 70% |
| February | 42° | 25° | 9 | 2.1 in | 8.2 h/day | 10.6 h | 33% | 60% |
| March | 52° | 31° | 12 | 3.1 in | 9.3 h/day | 11.8 h | 37% | 57% |
| April | 60° | 37° | 10 | 2.8 in | 10.9 h/day | 13.2 h | 33% | 52% |
| May | 69° | 46° | 9 | 1.8 in | 12.4 h/day | 14.4 h | 30% | 48% |
| June | 84° | 58° | 3 | 0.6 in | 14.0 h/day | 15.1 h | 9% | 35% |
| July | 93° | 67° | 2 | 0.2 in | 13.8 h/day | 14.8 h | 6% | 28% |
| August | 90° | 64° | 3 | 0.7 in | 12.5 h/day | 13.8 h | 9% | 33% |
| September | 80° | 56° | 4 | 1.4 in | 11.5 h/day | 12.4 h | 14% | 38% |
| October | 64° | 42° | 6 | 1.6 in | 9.5 h/day | 11.0 h | 21% | 50% |
| November | 49° | 31° | 8 | 1.9 in | 7.9 h/day | 9.8 h | 26% | 61% |
| December | 38° | 23° | 10 | 2.4 in | 6.7 h/day | 9.3 h | 33% | 70% |
The route from winter to summer, month by month
Each card shows the average high and low. The bar places that month between Salt Lake City's coldest night and warmest afternoon.
January
- Rain
- 11 days
- Sunshine
- 6.8 h
- Daylight
- 9.6 h
- Snow
- 8 days
February
- Rain
- 9 days
- Sunshine
- 8.2 h
- Daylight
- 10.6 h
- Snow
- 6 days
March
- Rain
- 12 days
- Sunshine
- 9.3 h
- Daylight
- 11.8 h
- Snow
- 6 days
April
- Rain
- 10 days
- Sunshine
- 10.9 h
- Daylight
- 13.2 h
- Snow
- 2 days
May
- Rain
- 9 days
- Sunshine
- 12.4 h
- Daylight
- 14.4 h
June
- Rain
- 3 days
- Sunshine
- 14.0 h
- Daylight
- 15.1 h
July
- Rain
- 2 days
- Sunshine
- 13.8 h
- Daylight
- 14.8 h
August
- Rain
- 3 days
- Sunshine
- 12.5 h
- Daylight
- 13.8 h
September
- Rain
- 4 days
- Sunshine
- 11.5 h
- Daylight
- 12.4 h
October
- Rain
- 6 days
- Sunshine
- 9.5 h
- Daylight
- 11.0 h
November
- Rain
- 8 days
- Sunshine
- 7.9 h
- Daylight
- 9.8 h
- Snow
- 3 days
December
- Rain
- 10 days
- Sunshine
- 6.7 h
- Daylight
- 9.3 h
- Snow
- 7 days
Looking for warmer alternatives? Browse warm places by month, or compare Salt Lake City's coolest part of the year: January, December, February.
Where Salt Lake City sits among other climates
- Relative humidity averages 50% - drier than all but 6% of the 3496 cities we track.
These comparisons use the same ten-year window for every city in the dataset.