6.6 usable nights
5–8 in the middle half of years · 2.3 typically near a dark moon.
310 astronomical-dark hours in an average month
May: 10.0 usable nights on average. Use this seasonal climate baseline to choose a month, then use the live forecast to choose a night.
It averages 10.0 usable nights, versus 4.0 in June. A typical May lands between 6 and 14 usable nights.
5–8 in the middle half of years · 2.3 typically near a dark moon.
310 astronomical-dark hours in an average month
7–12 in the middle half of years · 3.4 typically near a dark moon.
283 astronomical-dark hours in an average month
5–12 in the middle half of years · 3.1 typically near a dark moon.
301 astronomical-dark hours in an average month
7–10 in the middle half of years · 3.1 typically near a dark moon.
244 astronomical-dark hours in an average month
6–14 in the middle half of years · 3.0 typically near a dark moon.
248 astronomical-dark hours in an average month
1–6 in the middle half of years · 1.3 typically near a dark moon.
240 astronomical-dark hours in an average month
3–8 in the middle half of years · 2.1 typically near a dark moon.
248 astronomical-dark hours in an average month
2–7 in the middle half of years · 1.3 typically near a dark moon.
248 astronomical-dark hours in an average month
2–7 in the middle half of years · 1.2 typically near a dark moon.
275 astronomical-dark hours in an average month
4–9 in the middle half of years · 1.8 typically near a dark moon.
310 astronomical-dark hours in an average month
5–8 in the middle half of years · 2.3 typically near a dark moon.
311 astronomical-dark hours in an average month
5–9 in the middle half of years · 2.5 typically near a dark moon.
312 astronomical-dark hours in an average month
The cloud product is a roughly 1° regional grid. It can reveal seasonality, but it cannot know a mountain ridge, valley fog pocket, locked gate, smoke event or the exact sky you will get.
Source: NASA POWER daily data, parameter CLOUD_AMT_NIGHT from the CERES SYN1deg cloud product. GoodSeeing calculates astronomical darkness and lunar illumination independently for each place.