Climateby Month

Mammoth Lakes, CA weather in June

NOAA 1991-2020 normals and daily records · Mammoth Lakes all year

June in Mammoth Lakes: mild and dry. Highs 70°F, lows 42°F, rain on about 3 days. A great month for outdoor plans.

Normal high
70°F
Normal low
42°F
Wet days
3
0.5 in total
Daylight
14.7 h

How June changes from start to finish

Normal values at the start and end of June
June 1June 30
Normal high65°F75°F
Normal low38°F47°F
Sunrise / sunset5:35 am / 8:11 pm5:37 am / 8:21 pm
Daylight14.6 h14.7 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)21 of 30
  • Hot dayshigh 90°F or more0 of 30
  • Wet daysat least 0.01 in of rain or melted snow3 of 30
  • Notable rainat least 0.10 in1 of 30
  • Freezing nightslow 32°F or below4 of 30
  • Snow on the groundsnow depth 1 in or more0 of 30

Average days per June, counted from daily records for each year 1991-2020.

Rain and snow in June

Normal precipitation is 0.5 in. Days with half an inch or more are rare. Normal snowfall is 0.2 in.

How June varies from year to year

  • Warmest June, 1991-20202002: average high 74°F
  • Coolest June2009: average high 63°F
  • Wettest June1998: 2.2 in
  • Driest June1994: no measurable precipitation
  • Highest reading86°F (June 30, 2013)
  • Lowest reading17°F (June 7, 1995)

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

MayJuneJuly
Normal high60°F70°F78°F
Normal low35°F42°F49°F
Wet days634
Comfortable days112120
Daylight14.2 h14.7 h14.5 h

Highs change by +10°F from May and +8°F into July.

Nearby alternatives in June

How Mammoth Lakes ranks in June

  • Normal high352nd warmest of 378 cities; 55th of 60 in California
  • Wet days77th driest of 378

What to pack for Mammoth Lakes in June

  • Layers – afternoons near 70°F but nights near 42°F

Frost in June

The last spring frost typically comes around Jun 10; in 1 year in 10 it comes after Jun 30. All frost dates for Mammoth Lakes.

Heating and cooling

June has 268 heating degree days and 5 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.

Questions

How hot is Mammoth Lakes in June?

The normal high is 70°F and the normal low is 42°F. From 1991 to 2020 the hottest June reading was 86°F (most recently on June 30, 2013).

Does it rain a lot in Mammoth Lakes in June?

About 3 days in June have at least 0.01 in of precipitation, and the normal total is 0.5 in. The wettest June in 1991-2020 was in 1998 (2.2 in); the driest was in 1994, with no measurable precipitation.

Does it snow in Mammoth Lakes in June?

Yes. Normal snowfall in June is 0.2 in.

Is June a good time to visit Mammoth Lakes?

June ranks 1st of 12 months on our comfort score for Mammoth Lakes (86 out of 100). It has about 21 comfortable days (judged by temperature only). The best months are June, August and September.

Where the numbers come from

  • Temperature, rain and frost dates: Mammoth Lakes RS (USC00045280), 0.6 mi E of the city center, 7,804 ft (69 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Lee Vining (USC00044881), 23 mi NNW of the city center, 6,797 ft (1,076 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).