Monthly climate guide
Salt Lake City weather in May
May in Salt Lake City is typically mild, with average daytime highs around 18°C (64°F) and night-time lows near 5°C (42°F). The month usually brings about 67 mm of rain (some rain) and is often cloudy. Daytime highs are 6°C warmer than April and 7°C cooler than June.
What stands out in May
- Afternoons and nights feel like different seasons, roughly 13°C apart.
- It's wetter than a typical month in Salt Lake City — roughly 53% more rain than average.
- Temperatures are climbing — June is around 7°C warmer.
- Salt Lake City is usually about 3°C warmer than Park City, 40 km away, in May.
Avg high
18°C
64°F
Avg low
5°C
42°F
Rainfall
67 mm
some rain
Humidity
57%
relative
Sky
57%
cloud · often cloudy
Salt Lake City weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -9°C / 16°F | 56 mm | 83% | 57% |
| February | 3°C / 37°F | -6°C / 21°F | 43 mm | 76% | 61% |
| March | 9°C / 47°F | -1°C / 30°F | 55 mm | 66% | 63% |
| April | 12°C / 54°F | 1°C / 33°F | 67 mm | 61% | 60% |
| May | 18°C / 64°F | 5°C / 42°F | 67 mm | 57% | 57% |
| June | 25°C / 77°F | 11°C / 52°F | 21 mm | 44% | 33% |
| July | 31°C / 87°F | 16°C / 61°F | 18 mm | 41% | 40% |
| August | 30°C / 85°F | 16°C / 60°F | 24 mm | 37% | 38% |
| September | 24°C / 75°F | 11°C / 52°F | 44 mm | 43% | 36% |
| October | 15°C / 59°F | 4°C / 38°F | 36 mm | 52% | 40% |
| November | 8°C / 46°F | -2°C / 29°F | 42 mm | 63% | 52% |
| December | 1°C / 33°F | -8°C / 17°F | 52 mm | 78% | 59% |
What to pack for May
- A warm sweater or fleece for layering
- A mid-weight jacket
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is May a good time to visit Salt Lake City?
Compare the months in the chart above to find your ideal window.
Best time to visit Salt Lake City →Other United States cities in May
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Salt Lake City weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/salt-lake-city/may
<a href="https://weathercompare.eu/weather/usa/salt-lake-city/may">Salt Lake City weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/salt-lake-city" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Salt Lake City weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/salt-lake-city/may">Salt Lake City weather in May</a> – WeatherCompare</p>
Salt Lake City in May: quick answers
Is May a good time to visit Salt Lake City?
May is a reasonable time for Salt Lake City: highs around 18°C and about 67 mm of rain, though not one of the three best months.
How warm is Salt Lake City in May?
Average highs are about 18°C (64°F) and average lows about 5°C (42°F), based on 10 years of daily data.
Does it rain a lot in Salt Lake City in May?
Salt Lake City typically gets around 67 mm of rain in May — some rain.
Figures are long-term averages for the area around Salt Lake City (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.