- Book early & save on Virgin Holidays in 2025
- Destinations include the USA, Caribbean & beyond
- Ideal for family beach holidays, city breaks & more
Best time to visit Diablo Lake
Find the best time to visit Diablo Lake and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Diablo Lake by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Washington State
When is the best time to visit Diablo Lake?
The best time to visit Diablo Lake is July based on the following average weather conditions.
Daily hours of sunshine = 10 hours or more [remove]
Change the criteria to reflect your weather preferences.
Which is the hottest month in Diablo Lake?
The hottest time of year in Diablo Lake is normally July. Expect maximum daytime temperatures to reach 21°C.
Which month has the most rain in Diablo Lake?
In terms of rainfall, December is usually the wettest month in Diablo Lake with 199mm on average. There are normally 18 days in December with some rain.
When is it sunniest in Diablo Lake?
The sunniest time of year in Diablo Lake is normally July with bright sunshine on average for 59% of daylight hours; that's 9 hours of sunshine per day.
Best time to visit
The weather guide for Washington State (Diablo Lake) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
Washington State travel features
Do you want to learn more about Washington State? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Washington State.
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport