Sun Valley, ID weather in June
Expect mild weather with some rain in Sun Valley in June, with highs near 70°F and lows near 40°F. Rain falls on about 8 days. Great for outdoor plans.
- Normal high
- 70°F
- Normal low
- 40°F
- Wet days
- 8
- 1.3 in total
- Muggy days
- 0
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 65°F | 75°F |
| Normal low | 38°F | 42°F |
| Chance of a wet day | 26% | 18% |
| Sunrise / sunset | 5:58 am / 9:11 pm | 5:59 am / 9:23 pm |
| Daylight | 15.2 h | 15.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F19 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow8 of 30
- Notable rainat least 0.10 in4 of 30
- Freezing nightslow 32°F or below5 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 1.3 in; a dry June brings about 0.4 in and a wet one about 1.9 in (25th and 75th percentiles). About 1 day brings half an inch or more. Snow is very rare.
How June varies from year to year
- Warmest June, 1991-20202015: average high 80°F
- Coolest June1998: average high 63°F
- Wettest June2009: 5.3 in
- Driest June2000: 0.01 in
- Highest reading94°F (June 29, 2015)
- Lowest reading22°F (June 1, 1996)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 62°F | 70°F | 80°F |
| Normal low | 35°F | 40°F | 45°F |
| Wet days | 8 | 8 | 4 |
| Comfortable days | – | 19 | 13 |
| Daylight | 14.7 h | 15.4 h | 15.1 h |
Highs change by +8°F from May and +10°F into July.
Nearby alternatives in June
- Warmer: Boise, ID93 mi · high 81°F · 5 wet days
- Drier: Salt Lake City, UT239 mi · high 84°F · 5 wet days
How Sun Valley ranks in June
- Normal high357th warmest of 378 cities; 2nd of 2 in Idaho
- Wet days135th driest of 378
- Comfortable days30th most of 340
What to pack for Sun Valley in June
- A warm jacket – lows near 40°F, highs near 70°F
- Layers – afternoons near 70°F but nights near 40°F
Heating and cooling
June has 311 heating degree days and 5 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Sun Valley in June?
The normal high is 70°F and the normal low is 40°F. From 1991 to 2020 the hottest June reading was 94°F (June 29, 2015).
Does it rain a lot in Sun Valley in June?
About 8 days in June have at least 0.01 in of precipitation, and the normal total is 1.3 in. The wettest June in 1991-2020 was in 2009 (5.3 in); the driest was in 2000 (0.01 in).
Does it snow in Sun Valley in June?
Snow is very rare: the 1991-2020 normal for June rounds to 0.0 in.
Where the numbers come from
- Temperature, rain and snowfall: Ketchum RS (USC00104845), 1.0 mi SSW of the city center, 5,890 ft (62 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Bellevue (USC00100774), 17 mi SSE of the city center, 5,192 ft (760 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Stanley Ranger Station (726824-04112), 44 mi NW of the city center, 6,495 ft (543 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: snow depth, humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).