Average Monthly Sunshine hours in Castle Rock (WA)

This graph shows the average number of hours per month that Castle Rock receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, July is the sunniest month with 330 hours of sunshine.
• December has on average the lowest amount of sunshine with 62 hours.

Forecast: is it sunny in Castle Rock (WA)?

Sat   Nov 23

11°C | 6°C

S 11 km/h

3.1 mm

broken clouds and chance of rain

hourly forecast

Sun   Nov 24

9°C | 6°C

SE 22 km/h

21 mm

overcast and heavy rain

hourly forecast

Mon   Nov 25

10°C | 5°C

SW 11 km/h

2.1 mm

broken clouds and rain

hourly forecast

5-Day Forecast 10-Day Forecast