Guerneville Weather in January
During January, Guerneville experiences moderate daytime temperatures of 15°C (59°F) and cooler nights around 3°C (37°F). January sits within the rainy season, and part of the winter season, so expect regular and often heavy rainfall.
Rainfall in Guerneville in January
Guerneville is in the rainy season in January, with rain on around 11 days and an average of 171 mm (6.7 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in Guerneville in January
If you're visiting Guerneville in January, expect highs of 15°C (59°F) and overnight lows around 3°C (37°F). The month of January belongs to the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 3°C (37°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Guerneville in January
The city usually sees around 190 hours of sunlight, indicating many sunny days despite it being the rainy season.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September and October typically offer the best weather for Guerneville.
Check the conditions for any month of the year.
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 January
Min Temperature
3°C (37°F)
Max Temperature
15°C (59°F)
Chance of Rain
37%
Precipitation
171 mm (6.7 in)
Rainy days
11 days
Sunshine
190 hours *
Percentage Sunshine
60% *
Best Places in the United States of America in January
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 January →
perfect weather
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What to Wear in Guerneville in January
Pack for changing conditions in Guerneville in January. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Guerneville in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
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.
See the full Guerneville climate overview or explore weather in the United States of America.
