Simi Valley Weather in January
With daytime temperatures of 19°C (66°F) and nighttime lows of 9°C (48°F), January in Simi Valley brings pleasant temperatures during the day. It is also the wettest month of the year, so pack an umbrella.
Rainfall in Simi Valley in January
With frequent rain showers this month, having an umbrella on hand will keep you dry. Past climate data indicates that roughly 5 days will see rain, totalling around 62 mm (2.4 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Simi Valley in January
In January, Simi Valley sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 9°C (48°F). Winter occurs in January. The difference between afternoon and evening temperatures is usually noticeable. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Simi Valley in January
The days are predominantly sunny, with an estimated total of around 224 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.January in Simi Valley has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Simi Valley's climate page.
Simi Valley Temperature in January
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
17%
Precipitation
62 mm (2.4 in)
Rainy days
5 days
Humidity
57% *
Sunshine
224 hours *
Percentage Sunshine
71% *
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 →
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What to Wear in Simi Valley in January
Comfortable temperatures call for an easy wardrobe in January. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Simi Valley 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 Simi Valley's climate page.
Temperature Rainfall Sunshine Humidity
See the full Simi Valley climate overview or explore weather in the United States of America.
