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.