California weather in June
June splits California wide open: Death Valley runs 111° afternoons while San Francisco tops out near 67°.
Based on 12 weather stations. Twelve stations from Death Valley to the Sierra — California holds most of the country’s climates inside one border, and no state needs its regions kept apart more than this one.
Southern California
Highs 70–79°, nights 55–63°, and 0.1 in of rain in a typical June.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Los Angeles | 77° / 61° | 0 | June Gloom holds the coast; downtown gets the summer first. |
| Anaheim | 79° / 63° | 0 | Summer switches on, and the shade lines get competitive. |
| San Diego | 72° / 63° | 0 | The gray lingers, but the ocean finally stops stinging. |
| Santa Barbara | 70° / 55° | 0 | June Gloom, then blue skies by the time you finish lunch. |
Central Coast
Highs 68–72°, nights 50–52°, and 0.1–0.2 in of rain in a typical June.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Monterey | 68° / 52° | 0 | Fog most mornings, and a wetsuit is not optional. |
| Santa Cruz | 72° / 50° | 0 | Fog burns off by noon; the beach fills right after. |
Bay Area & Wine Country
Highs 67–78°, nights 52–53°, and 0.2 in of rain in a typical June.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| San Francisco | 67° / 53° | 1 | The fog rolls in and summer is postponed. |
| Napa | 78° / 52° | 0 | Summer sets in: hot afternoons, and mornings under bay fog. |
The Deserts
Highs 104–111°, nights 73–84°, and 0.0–0.1 in of rain in a typical June.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Palm Springs | 104° / 73° | 0 | Furnace month begins — shade is a resource, not a luxury. |
| Death Valley | 111° / 84° | 0 | Furnace conditions begin: short walks, long drives, endless water. |
The Sierra
Highs 72–81°, nights 38–51°, and 0.5–0.6 in of rain in a typical June.
| Place | Highs / lows | Wet days | The short version |
|---|---|---|---|
| Yosemite Valley | 81° / 51° | 1 | Warm days, thundering water, and the high country finally open. |
| South Lake Tahoe | 72° / 38° | 1 | Snowmelt roaring, mosquitoes hatching, and the sun back for good. |
Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.