Mammoth Lakes
California, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Mammoth Lakes, CA

The ever-scenic and perfect water reflections in the clear water of trees, rocks, and distant mountains in Mammoth Lakes, California
The ever-scenic and perfect water reflections in the clear water of trees, rocks, and distant mountains in Mammoth Lakes, California
October, the same as September, in Mammoth Lakes, California, is another mild autumn month, with average temperature ranging between min 28.8°F (-1.8°C) and max 59.4°F (15.2°C).

Temperature

In October, the average high-temperature drops, from an agreeable 69.4°F (20.8°C) in September, to a moderate 59.4°F (15.2°C). The average low-temperature, is 28.8°F (-1.8°C).

Rainfall

In Mammoth Lakes, during 4 rainfall days, 1.5" (38.4mm) of precipitation is typically accumulated. In Mammoth Lakes, during the entire year, the rain falls for 63 days and collects up to 23" (583.3mm) of precipitation.

Snowfall

Months with snowfall in Mammoth Lakes, California, are January through June, October through December.

Daylight

In Mammoth Lakes, California, the average length of the day is 11.2h.

Sunshine

The average sunshine is 9h.

UV index

The average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 5 in October interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Mammoth Lakes?

The average high-temperature, in October, is 59.4°F (15.2°C), while the average low-temperature is 28.8°F (-1.8°C).

How much does it rain in Mammoth Lakes in October?

In Mammoth Lakes, California, in October, it is raining for 4 days, with typically 1.5" (38.4mm) of accumulated precipitation.

When does it start snowing in Mammoth Lakes?

October is the first month it typically snows in Mammoth Lakes. Throughout October, Mammoth Lakes receives 6.7" (170.2mm) of snow.

How many hours of daylight does Mammoth Lakes have in October?

In October, the average length of the day in Mammoth Lakes is 11.2h.

How long on average sun shines in October in Mammoth Lakes?

In October, the average sunshine is 9h.

What is the UV index intensity in October in Mammoth Lakes?

In October, the average daily maximum UV index in Mammoth Lakes, California, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in October - Mammoth Lakes, CA
  • Average high temperature in October: 59.3°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in October: 28.7°F

The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is January (14.8°F).

Average rainfall in October - Mammoth Lakes, CA
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is January (4.6").
The driest month (with the lowest rainfall) is August (0.3").

Average rainfall days in October - Mammoth Lakes, CA
  • Average rainfall days in October: 4 days

Months with the highest number of rainy days are January and February (9 days).
Months with the lowest number of rainy days are August and September (2 days).

Average snowfall in October - Mammoth Lakes, CA
  • Average snowfall in October: 6.7"

The month with the highest snowfall is December (45.3").
Months with the lowest snowfall are July, August and September (0").

Average daylight in October / Average sunshine in October - Mammoth Lakes, CA
  • Average daylight in October: 11.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in October: 9h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in October - Mammoth Lakes, CA
  • Average UV index in October: 5

Months with the highest UV index are June and July (UV index 11).
The month with the lowest UV index is December (UV index 2).