Sunset Time in Mammoth Today

Mammoth, USA

Forecast updated:

Cloud on the horizon does not move the astronomical sunset time — it can hide the sun a few minutes early, but it often produces the most dramatic colors.

Conditions can shift — arrive 30 minutes early for the best experience.

Pair with golden hour or moon visibility for complete planning.

Forecast accuracy is highest within the next 1–3 days.

Sunset & Daylight Patterns Specific to Mammoth

Mammoth sits at 37.6° N in the temperate zone. It is autumn there now, and the sun currently spends 11.3 hours above the horizon each day.

Sunsets are latest in June around the summer solstice and earliest in December. Near the solstices, the sunset time barely shifts day to day; near the equinoxes (March, September), it moves up to 2 minutes per day. Mammoth runs from 9.6 to 14.8 hours of daylight across the year, a 5.2-hour swing. Today's 11.3 hours set how much room you have to move plans around.

Golden hour in Mammoth lasts about 52 minutes today, with civil twilight adding a further 26 minutes of usable blue-hour light after sunset.

The most photogenic sunset conditions in Mammoth come in July, August, September, when the atmosphere is clearest and high-pressure systems push cloud layers away from the western horizon. Mammoth Mountain set California's all-time seasonal snow record in 2022-23 with over 22 meters of snowfall — the resort stayed open for skiing into August, the latest closing date in its history.

Civil twilight at Mammoth's latitude lasts approximately 26 minutes after the sun drops below the horizon — this is the "blue hour" window of soft, diffused light that photographers prize above all others. At 37.6°, this window is brief, making precise timing critical — the sky transitions from golden to dark in under half an hour.

City-specific facts for Mammoth

  • •Latitude: 37.6° N — longest days in June, shortest in December
  • •Summer daylight: ~14.8h | Winter daylight: ~9.6h — a 5.2-hour annual swing
  • •Civil twilight (blue hour) duration: ~26 minutes post-sunset
  • •Prime sunset colour months: July, August, September
  • •Hemisphere: northern — sunset moves northward in summer, altering composition angles significantly
  • •Local season right now: autumn (northern hemisphere)
  • •Daylight today: 11.3 h — annual range 9.6–14.8 h
  • •Solar regime today: normal sunrise/sunset cycle

Sun & Moon Times in Mammoth

Sunset timing in Mammoth is driven by latitude and season. We apply atmospheric refraction corrections for accuracy within one minute. Golden hour begins roughly 60 minutes before sunset — the most valuable window for photography, outdoor dining, and evening walks.

Sunset in Mammoth shifts by several minutes each week. Summer evenings are longest, winter sunsets arrive earliest. Cloud cover near the horizon does not change the sunset time itself, though it can hide the sun a few minutes early and often produces the most dramatic color displays.

For the best sunset experience, arrive at your viewing spot 30 minutes before the listed time. Conditions can shift — check again on the day itself.

Sunrise & Sunset Guide for Mammoth in October

Mammoth Mountain at 3,369m peak elevation gets some of California's heaviest snowfall — historically over 1,200cm per season. The Sierra Nevada catches Pacific storms and squeezes out moisture as snow. Some seasons last into July.

October offers moderate day lengths in Mammoth, with sunset times that are comfortable for both early risers and evening planners. Temperatures range between -9 to 4°C and 10-25°C, making outdoor activities pleasant throughout the day. The mix of clear and partly cloudy skies during this transitional period creates varied and often spectacular sunset conditions.

☀️ Daylight & Day Length

Day length during October in Mammoth provides a balanced schedule — not too long, not too short. This means sunrise and sunset occur at convenient times for most schedules. The sun's angle during transitional months creates particularly long golden hour windows, with warm light that rakes across the landscape and reveals texture in buildings and natural features.

📋 Planning Around Sunset

The moderate temperatures during October make Mammoth ideal for all-day outdoor activities without the extremes of summer heat or winter cold. You can comfortably be outside from sunrise to sunset without needing to retreat during midday. Layer your clothing — mornings and evenings are cooler, while midday warms up considerably.

Photography at Sunrise & Sunset

Transitional weather in Mammoth is a photographer's dream. The mix of sun and clouds creates constantly changing light conditions, offering multiple different looks within a single golden hour. The lower sun angle compared to midsummer produces longer shadows and more dramatic compositions. This is often considered the best time for landscape and cityscape photography.

Seasonal Sun Patterns in Mammoth

☀️ Longest Days

July, August, September — these months bring the latest sunsets and longest daylight hours in Mammoth. Expect extended evenings perfect for outdoor dining, sunset walks, and golden hour photography. The warmest temperatures (10-25°C) coincide with the longest days.

🌙 Shortest Days

February, January, December — earlier sunsets and shorter daylight hours define this period in Mammoth. Temperatures drop to around -9 to 4°C. Plan outdoor activities around midday when the sun is highest. The dramatic low-angle light creates stunning photography opportunities despite the shorter window.

📍 Local Weather Insight

Mammoth Mountain set California's all-time seasonal snow record in 2022-23 with over 22 meters of snowfall — the resort stayed open for skiing into August, the latest closing date in its history.

Local Tips for Mammoth

Some recent seasons have closed in August — late spring is reliable

The volcano underneath occasionally releases steam vents nearby

Summer hiking and biking begins as soon as snow melts

When Sunset Viewing Is Not Worth It in Mammoth

  • •Fully overcast skies — thick cloud cover blocks the sun entirely, producing a flat grey horizon with no color variation.
  • •Heavy rain or thunderstorms — unsafe conditions and zero visibility of the sun. Check the rain forecast for Mammoth.
  • •Dense smog or haze — obscures the horizon line and reduces color saturation, making sunset appear washed out.
  • •West-blocked viewpoints — buildings, mountains, or trees blocking the western horizon will cut off sunset 10–30 minutes early.

What Determines Sunset Time?

Sunset time in Mammoth is determined by the city's latitude, longitude, and the time of year. During summer, the Earth's axial tilt causes the sun to take a longer path across the sky, resulting in later sunsets. In winter, the opposite occurs — shorter days mean earlier sunsets. Near the equinoxes (March and September), sunset times change most rapidly, shifting by 2–3 minutes per day. At Mammoth's latitude, the difference between the earliest and latest sunset can be several hours across the year. Our daily calculations use precise astronomical data to give you the exact sunset time accurate to the minute.

Did you know? Sunset in Mammoth shifts by up to 3 minutes per day near the equinoxes — timing matters more than you think.

Planning to watch the sunset in Mammoth?

Local Astronomy Profile · Mammoth

Temperate latitude (37.6°) and an elevation of 2424 m — 5.2 h difference between longest and shortest day.

37.6485° N, 118.9721° W⛰️ 2424 m elevation🌐 northern hemisphereComputed from NOAA solar position formulas
Longest day
14 h 36 min

Latest possible sunset of the year (June solstice).

Shortest day
9 h 24 min

Earliest possible sunset of the year (December solstice).

Sunset shifts by
0.9 min/day on average

Average daily sunset drift between the two solstices — peaks near the equinoxes.

Civil twilight extends
roughly 25–35 min after sunset

Civil twilight is the usable shooting window after the sun is gone.

Data: Open-Meteo

Frequently Asked Questions

What time is sunset in Mammoth today?

Today's sunset time for Mammoth is shown above and updates daily. Sunset times shift throughout the year based on Mammoth's latitude and the Earth's axial tilt. Summer sunsets are later, winter sunsets are earlier.

When is golden hour in Mammoth?

Golden hour in Mammoth begins approximately 1 hour before sunset and ends at sunset. The exact timing is displayed above. Morning golden hour starts at sunrise and lasts about 1 hour.

How long is the day in Mammoth?

Day length in Mammoth varies by season. Today's exact day length is shown above. At mid-latitudes, this ranges from about 8 hours in winter to 16+ hours in summer.

Is the moon visible tonight in Mammoth?

Moon visibility depends on the current phase and cloud cover. Tonight's moon phase and illumination percentage for Mammoth are shown above. A higher illumination percentage means a brighter, more visible moon.

Precipitation radar

Sunset tonight in other destinations

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