Calistoga weather by month
Calistoga, nestled in California’s picturesque Napa Valley, is famous for its hot springs, serene vineyards, and a climate that can truly shape your travel experience. Whether you’re a wine connoisseur, a wellness seeker, or simply planning a weekend getaway, knowing exactly what to expect from the weather each month helps you pack, schedule, and enjoy your time to the fullest. In this post, we break down the averages for every month, highlight peak conditions, and give you insider tips to stay comfortable no matter the season.
January
- Avg. High: 56 °F (13 °C)
- Avg. Low: 37 °F (3 °C)
- Avg. Precip.: 1.6 in (41 mm)
- Typical Weather: Mild rain showers, occasional fog, cool evenings.
- What to Pack: Warm layers, waterproof jacket, umbrella.
January is the rainiest month in Calistoga, but temperatures remain pleasant enough for daytime hikes or a stroll through local tasting rooms. Early October to November are also peak wet season for the vineyards, which can mean lush, verdant scenery—great for photography.
February
- Avg. High: 58 °F (14 °C)
- Avg. Low: 39 °F (4 °C)
- Avg. Precip.: 1.3 in (33 mm)
- Typical Weather: Similar to January with slightly drier conditions.
- What to Pack: Layered clothing, sun shield for outdoor yoga.
March
- Avg. High: 63 °F (17 °C)
- Avg. Low: 43 °F (6 °C)
- Avg. Precip.: 0.9 in (23 mm)
- Typical Weather: Spring showers fading, longer daylight.
- What to Pack: Light sweater, waterproof shoes.
Spring brings a transition period where the rain tapers off. This is a great time for grape harvest spotting, as the fields start turning green.
April
- Avg. High: 68 °F (20 °C)
- Avg. Low: 48 °F (9 °C)
- Avg. Precip.: 0.6 in (15 mm)
- Typical Weather: Pleasant and sunny.
- What to Pack: Sunscreen, breezy dress.
April is one of Calistoga’s most delightful months. Bright sunshine, minimal rainfall, and perfect temperatures for outdoor wine tasting and spa sessions.
May
- Avg. High: 72 °F (22 °C)
- Avg. Low: 52 °F (11 °C)
- Avg. Precip.: 0.4 in (10 mm)
- Typical Weather: Warm, mostly dry.
- What to Pack: Light jacket for cool mornings, swimwear for geothermal pools.
May offers warm, inviting weather—ideal for a leisurely weekend and an escape to nearby hot springs!
June
- Avg. High: 78 °F (26 °C)
- Avg. Low: 58 °F (14 °C)
- Avg. Precip.: 0.2 in (5 mm)
- Typical Weather: Warm, almost like summer.
- What to Pack: Sun hat, sunglasses, light but protective clothing.
Early summer is perfect for exploring the vineyards or enjoying the spa scene. Nights remain comfortably warm.
July
- Avg. High: 82 °F (28 °C)
- Avg. Low: 62 °F (17 °C)
- Avg. Precip.: 0 in (0 mm)
- Typical Weather: Hot, dry, but rarely more than 2 hours of direct sun.
- What to Pack: Hydration pack, sunglasses, broad-spectrum sunscreen.
July marks the peak of the dry season. While it can get hot, the evenings offer a surprisingly cool breeze—great for wine walks at sunset.
August
- Avg. High: 81 °F (27 °C)
- Avg. Low: 61 °F (16 °C)
- Avg. Precip.: 0 in (0 mm)
- Typical Weather: Warm and dry, occasional humidity.
- What to Pack: Light layers for late evenings, comfortable shoes for vineyard tours.
The early days are still hot, but the later weeks can feel more temperate—excellent for early morning tastings or spa retreats.
September
- Avg. High: 75 °F (24 °C)
- Avg. Low: 56 °F (13 °C)
- Avg. Precip.: 0.3 in (8 mm)
- Typical Weather: Warm days and cool nights.
- What to Pack: Lightweight jacket, day dress, sunblock.
September bridges summer and autumn: bright days, mild evenings, and the start of the grape harvest—a spectacular sight!
October
- Avg. High: 67 °F (19 °C)
- Avg. Low: 46 °F (8 °C)
- Avg. Precip.: 0.6 in (15 mm)
- Typical Weather: Comfortable, crisp, shorter daylight hours.
- What to Pack: Layered clothing, comfortable shoes, light coat.
October’s moderate temperatures and gentle rain make it perfect for scenic drives, wine bar tasting, and autumn hikes.
November
- Avg. High: 58 °F (14 °C)
- Avg. Low: 38 °F (3 °C)
- Avg. Precip.: 1.8 in (46 mm)
- Typical Weather: Cooler, wetter; some fog and drizzle.
- What to Pack: Warm jacket, waterproof gear, cozy sweater.
Winter is quieter and atmospheric—but still fun! Winter solstice events, cozy spa days, and the hot springs help you enjoy the chilly weather in comfort.
December
- Avg. High: 55 °F (13 °C)
- Avg. Low: 36 °F (2 °C)
- Avg. Precip.: 1.4 in (36 mm)
- Typical Weather: Cold, wet, occasional snow in higher Sierra foothills.
- What to Pack: Heavy coat, windbreak, waterproof boots.
Christmas in Calistoga is magical—think rustic cabins, candlelit dinners, and steaming hot springs that help chase the winter chill.
- Spring (Mar–Apr): Harvest season begins; colorful vineyards.
- Summer (Jun–Aug): Ideal for spa stays and hiking.
- Fall (Sep–Oct): Warm nights, fewer crowds.
- Winter (Nov–Dec): Low-traffic, holiday celebrations, relaxing hot springs.
| Question | Short Answer |
|---|---|
| What is the best time to visit for wine tasting? | Late spring (May–Jun) or early fall (Sep) when grapes are most aromatic. |
| Are wildfires a concern? | Rare outside the summer months; local advisories are usually clear. |
| Do you need a weather-appropriate itinerary? | Yes—plan indoor spa or wine tours for rainy days and outdoor hikes for sunny windows. |
| Is sunscreen necessary year-round? | Absolutely—UV index can be high even in cooler months. |
| What’s the average high in July? | Around 82 °F (28 °C). |
- Napa Valley Wine Country Official Site – https://www.napavalleywinecountry.com
- Calistoga Tourism Association – https://www.calistogaturism.com
- Weather.com Calistoga Forecast – https://weather.com/weather/tenday/l/Calistoga+CA
- Calistoga Hot Springs & Spa Guide – https://www.calistogahotsprings.com
- National Weather Center for Napa Valley – https://climate.weather.gc.ca/climate_data/
Use these resources to dive deeper into the region’s weather patterns, planning tools, and travel guides. Enjoy your Calistoga adventure—whatever month you choose!
