Simmer Down

Is Simmer Down open right now?

Alert in the area

The National Park Service lists 3 alerts for Joshua Tree National Park.

• Partial Trail Closure of West Side Loop

  Park alert covering Joshua Tree National Park · NPS · Joshua Tree National Park

• Inaccurate Third-Party Apps

  Park alert covering Joshua Tree National Park · NPS · Joshua Tree National Park

• Oasis of Mara Trail Partial Closure

  Park alert covering Joshua Tree National Park · NPS · Joshua Tree National Park

As of Oct 23, 10:00 pm PDT · Source: NPS · Joshua Tree National Park. Agencies don't list every closure — check before you go.

Best time to visit Simmer Down

Best months: October–May. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

1. Jan

   58° / 38°

   4 wet

2. Feb

   61° / 39°

   3 wet

3. Mar

   67° / 40°

   3 wet

4. Apr

   73° / 46°

   2 wet

5. May

   82° / 52°

   1 wet

6. Jun

   91° / 59°

   0 wet

7. Jul

   96° / 66°

   2 wet

8. Aug

   96° / 68°

   2 wet

9. Sep

   89° / 60°

   2 wet

10. Oct

    80° / 50°

    1 wet

11. Nov

    66° / 41°

    2 wet

12. Dec

    58° / 34°

    4 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Yucca Valley, CA, 16.2 mi away at 3,249 ft. The station sits about 1,100 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.