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 perfect 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 perfect. 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.

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• January
• February
• March
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For a detailed overview over the year and the best time to visit the United States of America, check out our Guerneville's climate page.

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).

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.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

5/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Guerneville's climate page.

More climate data for Guerneville

Temperature Rainfall Sunshine

See the full Guerneville climate overview or explore weather in the United States of America.