Kearns, Utah Weather
Pikas hayfeeding in granite peaks. Day 76 of spring. Read this microseason across nine climate regions →
Kearns weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——88°56°—
- ThursdayJun 4Overcast——84°64°-4°
- FridayJun 5Clear——83°58°-1°
- SaturdayJun 6Overcast——91°67°+8°
- SundayJun 7Overcast——77°54°-14°
- MondayJun 8Light Drizzle——79°49°+2°
- TuesdayJun 9Overcast——86°56°+7°
Ozone at AQI 66 now. AQI flat over the last 6 hours (within ±3 points). With UV 8.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 72 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 66 now. With UV 8.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 72 by mid-afternoon.
- Present
- AQI 66
- UV peak
- 8.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 72
PM × Wind × Precip
PM2.5 at 6.7 µg/m³, PM10 at 17.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.38
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 5:25 AM
- Moonset
- 2:28 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Kearns at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Warm-season window is open
As of June 3, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Kearns's warmest month is July (~81°F mean) and its coldest is January (~34°F). Rainfall peaks in April (2.5 inches) and bottoms out in July (0.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 34° | 1.5″ | 5 |
| February | 39° | 1.4″ | 5 |
| March | 47° | 2.0″ | 5 |
| April | 53° | 2.5″ | 6 |
| May | 62° | 2.1″ | 5 |
| June | 72° | 1.1″ | 3 |
| July | 81° | 0.6″ | 2 |
| August | 79° | 0.6″ | 2 |
| September | 69° | 1.3″ | 3 |
| October | 56° | 1.4″ | 4 |
| November | 44° | 1.6″ | 4 |
| December | 34° | 1.6″ | 5 |
Regional context
Kearns sits within a cold semi-arid climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Salt Lake City, UT, Provo, UT, Ogden, UT, West Valley City, UT, Logan, UT.
Frequently asked
- When does it freeze in Kearns?
- Kearns's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Kearns?
- April is the wettest month with about 2.5 inches of rain on average; the city receives roughly 18 inches annually.
- What is the warmest month in Kearns?
- July is typically warmest, averaging about 81°F.
- What is the coldest month in Kearns?
- January is typically coldest, averaging about 34°F.
- When can I start a vegetable garden in Kearns?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Kearns get?
- Kearns averages about 48 rainy days per year.
- What hardiness zone is Kearns?
- Kearns's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Kearns, Utah sits in a cold semi-arid climate zone. January means hover near 34°F while July averages 81°F — a 47°F seasonal swing.
Across the year, Kearns receives about 18 inches of precipitation spread over roughly 48 rainy days.
The rhythm of the year is set by latitude (40.7°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.