Our verdict
The best time to visit Mendocino is September-October
In the height of summer, temperatures in Mendocino can reach a maximum of 23℃ (73℉). The weather in the winter, especially around February, can reach a minimum of 5℃ (41℉).
The sun stays up the longest in Mendocino in August, so you’ll get the most out of your daytime activities if you visit around this time. You don’t want to get wet on your holiday, do you? Well if you’re trying to avoid the rain, then steer clear of Mendocino in December. Head over there in June instead if you want to increase your chances of not being rained on.
Find out everything you need to know about when to visit Mendocino below, including detailed information about the weather and tools to help you find the best prices and book your trip.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Mendocino seasons
Before you continue, it’s important to know when the seasons are in Mendocino as they might be different to yours depending on where in the world you’re travelling from. Mendocino is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Mendocino
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Mendocino for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Mendocino climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Mendocino for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Mendocino in January
- Average temperature: 10℃ (50℉)
- Average high temperature: 13℃ (55℉)
- Average low temperature: 8℃ (47℉)
- Average humidity: 77%
- Average sunny days: 20 days
- Average rainfall: 42mm (2") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in January, make sure you pack a warm jacket or coat.
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Mendocino in February
- Average temperature: 10℃ (50℉)
- Average high temperature: 12℃ (54℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 78%
- Average sunny days: 20 days
- Average rainfall: 43mm (2") over 8 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in February, make sure you pack a warm jacket or coat.
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Mendocino in March
- Average temperature: 10℃ (51℉)
- Average high temperature: 13℃ (55℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 80%
- Average sunny days: 18 days
- Average rainfall: 34mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in March, make sure you pack a warm jacket or coat.
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Mendocino in April
- Average temperature: 11℃ (52℉)
- Average high temperature: 14℃ (57℉)
- Average low temperature: 9℃ (47℉)
- Average humidity: 78%
- Average sunny days: 23 days
- Average rainfall: 14mm (1") over 6 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in April, make sure you pack a warm jacket or coat.
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Mendocino in May
- Average temperature: 13℃ (55℉)
- Average high temperature: 15℃ (60℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 80%
- Average sunny days: 26 days
- Average rainfall: 15mm (1") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in May, make sure you pack a warm jacket or coat.
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Mendocino in June
- Average temperature: 15℃ (59℉)
- Average high temperature: 18℃ (64℉)
- Average low temperature: 12℃ (53℉)
- Average humidity: 78%
- Average sunny days: 27 days
- Average rainfall: 2mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in June, make sure you pack a warm jacket or coat.
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Mendocino in July
- Average temperature: 16℃ (61℉)
- Average high temperature: 19℃ (67℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 79%
- Average sunny days: 28 days
- Average rainfall: 2mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in July, make sure you pack a light jumper or hoodie.
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Mendocino in August
- Average temperature: 16℃ (61℉)
- Average high temperature: 20℃ (67℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 80%
- Average sunny days: 28 days
- Average rainfall: 2mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in August, make sure you pack a light jumper or hoodie.
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Mendocino in September
- Average temperature: 16℃ (61℉)
- Average high temperature: 20℃ (67℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 76%
- Average sunny days: 28 days
- Average rainfall: 4mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in September, make sure you pack a light jumper or hoodie.
Mendocino in October
- Average temperature: 14℃ (58℉)
- Average high temperature: 17℃ (63℉)
- Average low temperature: 12℃ (53℉)
- Average humidity: 75%
- Average sunny days: 26 days
- Average rainfall: 14mm (1") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in October, make sure you pack a warm jacket or coat.
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Mendocino in November
- Average temperature: 12℃ (53℉)
- Average high temperature: 14℃ (58℉)
- Average low temperature: 9℃ (49℉)
- Average humidity: 76%
- Average sunny days: 22 days
- Average rainfall: 25mm (1") over 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in November, make sure you pack a warm jacket or coat.
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Mendocino in December
- Average temperature: 10℃ (50℉)
- Average high temperature: 12℃ (54℉)
- Average low temperature: 8℃ (47℉)
- Average humidity: 76%
- Average sunny days: 20 days
- Average rainfall: 45mm (2") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Mendocino in December, make sure you pack a warm jacket or coat.
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