Moon · August 2025
Moon calendar for Napa, California, United States: August 2025
Daily moon phases, illumination, moonrise and moonset in Napa, California, United States for August 2025. Full moon: August 9, 2025. All times are shown in the local time of Napa, California, United States.
Full moonSaturday, August 9, 2025, 1:33 AM
New moonFriday, August 22, 2025, 8:32 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | First Quarter | 53% | 1:50 PM | 12:09 AM |
| 2 | Waxing Gibbous | 62% | 2:45 PM | 12:25 AM |
| 3 | Waxing Gibbous | 71% | 3:50 PM | 1:16 AM |
| 4 | Waxing Gibbous | 79% | 4:41 PM | 1:43 AM |
| 5 | Waxing Gibbous | 87% | 5:42 PM | 2:26 AM |
| 6 | Waxing Gibbous | 93% | 6:26 PM | 3:35 AM |
| 7 | Waxing Gibbous | 97% | 7:24 PM | 4:25 AM |
| 8 | Full Moon | 99% | 7:45 PM | 5:38 AM |
| 9 | Full Moon | 100% | 8:22 PM | 6:36 AM |
| 10 | Waning Gibbous | 98% | 8:34 PM | 7:53 AM |
| 11 | Waning Gibbous | 93% | 9:25 PM | 9:16 AM |
| 12 | Waning Gibbous | 86% | 9:39 PM | 10:19 AM |
| 13 | Waning Gibbous | 77% | 10:12 PM | 11:34 AM |
| 14 | Waning Gibbous | 67% | 10:27 PM | 12:34 PM |
| 15 | Last Quarter | 55% | 11:21 PM | 2:06 PM |
| 16 | Last Quarter | 43% | 11:54 PM | 3:32 PM |
| 17 | Waning Crescent | 32% | — | 4:28 PM |
| 18 | Waning Crescent | 22% | 12:40 AM | 5:41 PM |
| 19 | Waning Crescent | 13% | 1:53 AM | 6:27 PM |
| 20 | Waning Crescent | 6% | 3:17 AM | 7:29 PM |
| 21 | Waning Crescent | 2% | 4:21 AM | 7:46 PM |
| 22 | New Moon | 0% | 5:36 AM | 8:19 PM |
| 23 | New Moon | 0% | 6:29 AM | 8:30 PM |
| 24 | Waxing Crescent | 3% | 7:41 AM | 9:09 PM |
| 25 | Waxing Crescent | 7% | 8:33 AM | 9:31 PM |
| 26 | Waxing Crescent | 13% | 9:42 AM | 9:40 PM |
| 27 | Waxing Crescent | 20% | 10:32 AM | 10:12 PM |
| 28 | Waxing Crescent | 28% | 11:41 AM | 10:26 PM |
| 29 | Waxing Crescent | 37% | 12:32 PM | 11:14 PM |
| 30 | First Quarter | 46% | 1:42 PM | 11:40 PM |
| 31 | First Quarter | 56% | 2:31 PM | — |
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Frequently asked questions
When is the full moon in August 2025 in Napa, California, United States?
The full moon peaks on Saturday, August 9, 2025, 1:33 AM (local time).
When is the new moon in August 2025?
The new moon falls on Friday, August 22, 2025, 8:32 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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