Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Guerneville Weather in May
Guerneville in May sees high temperatures, with highs around 23°C (73°F) and overnight lows of 8°C (46°F). Overall excellent conditions make it one of the better months to visit.
Rainfall in Guerneville in May
Typically, about 4 days will experience rainfall, with an average of 30 mm (1.2 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Guerneville in May
The temperature in Guerneville in May is excellent. Daytime highs reach 23°C (73°F), with nights dropping to 8°C (46°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Guerneville in May
Expect a lot of sunshine this month, with about 310 hours of sun. These sunny conditions add to the overall experience.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Guerneville Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
23°C (73°F)
Chance of Rain
13%
Precipitation
30 mm (1.2 in)
Rainy days
4 days
Sunshine
310 hours *
Percentage Sunshine
76% *
* Data from: Healdsburg, the United States of America (16 KM, 10 Miles).
Guerneville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guerneville - and find the best time to visit.
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Guerneville in May
For Guerneville in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Guerneville in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping5/10 -
Outdoor sports10/10
Guerneville 3-Day Forecast
More climate data for Guerneville
See the full Guerneville climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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