Mammoth Lakes, CA weather in April
Mammoth Lakes is chilly in April, with some rain and some snow: highs average 51°F and nights drop to about 27°F. Rain or snow falls on about 7 days. Snowfall averages about 3.3 in.
- Normal high
- 51°F
- Normal low
- 27°F
- Wet days
- 7
- 1.5 in total
- Snowfall
- 3.3 in
- snow on the ground 1 day
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 48°F | 55°F |
| Normal low | 24°F | 31°F |
| Sunrise / sunset | 6:41 am / 7:18 pm | 6:01 am / 7:44 pm |
| Daylight | 12.6 h | 13.7 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)3 of 30
- Hot dayshigh 90°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow7 of 30
- Notable rainat least 0.10 in4 of 30
- Freezing nightslow 32°F or below23 of 30
- Snow on the groundsnow depth 1 in or more1 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 1.5 in. About 1 day brings half an inch or more. Normal snowfall is 3.3 in, with about 1 day of an inch or more.
How April varies from year to year
- Warmest April, 1991-20202016: average high 56°F
- Coolest April1999: average high 43°F
- Wettest April2006: 5.0 in
- Driest April2008: no measurable precipitation
- Highest reading73°F (April 30, 1996)
- Lowest reading-1°F (April 1, 1999)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 46°F | 51°F | 60°F |
| Normal low | 22°F | 27°F | 35°F |
| Wet days | 7 | 7 | 6 |
| Comfortable days | 0 | 3 | 11 |
| Daylight | 12.0 h | 13.2 h | 14.2 h |
Highs change by +5°F from March and +9°F into May.
Nearby alternatives in April
- Warmer: Yosemite Valley, CA34 mi · high 63°F · 7 wet days
- Drier: Visalia, CA93 mi · high 73°F · 4 wet days
How Mammoth Lakes ranks in April
- Normal high357th warmest of 378 cities; 60th of 60 in California
- Wet days117th driest of 378
What to pack for Mammoth Lakes in April
- A warm jacket – lows near 27°F, highs near 51°F
- Waterproof boots – about 3.3 in of snow in a typical year
- A hat and gloves – about 23 freezing nights
Heating and cooling
April has 775 heating degree days and 0 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.
Questions
How cold is Mammoth Lakes in April?
The normal high is 51°F and the normal low is 27°F. From 1991 to 2020 the coldest April reading was -1°F (April 1, 1999).
Does it rain a lot in Mammoth Lakes in April?
About 7 days in April have at least 0.01 in of precipitation, and the normal total is 1.5 in. The wettest April in 1991-2020 was in 2006 (5.0 in); the driest was in 2008, with no measurable precipitation.
Does it snow in Mammoth Lakes in April?
Yes. Normal snowfall in April is 3.3 in, and snow covers the ground on about 1 day.
Is April a good time to visit Mammoth Lakes?
April ranks 7th of 12 months on our comfort score for Mammoth Lakes (51 out of 100). It has about 3 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).