When to go · Grass Valley

Grass Valley in January

Avoid month. Listed as a month to avoid: Jul–Aug (hot, dry foothills), Dec–Feb (cold, occasional snow).

Key facts

Verdict: Avoid
Temperature: 12°C (54°F)54°F (12°C) / 2°C (36°F)36°F (2°C); average high / low
Rain days: 8
Crowds: Low; United States overall
Prices: Low; United States overall

Plan around it

Verdict

AvoidBest and avoid months for Grass Valley

Listed as a month to avoid: Jul–Aug (hot, dry foothills), Dec–Feb (cold, occasional snow).

January is rated avoid. These months rate higher:

Long-term averages

Grass ValleyHighs around 12 °C (54 °F), lows around 2 °C (36 °F), rain on about 8 daysHighs around 54 °F (12 °C), lows around 36 °F (2 °C), rain on about 8 days

United States overall: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.

Weather, crowds and prices for any two months in Grass Valley, side by side.

First month

Second month

January: Listed as a month to avoid: Jul–Aug (hot, dry foothills), Dec–Feb (cold, occasional snow).

April: Inside Grass Valley's best window: Apr–Jun, Sep–Oct.

Grass Valley: figures are long-term averages from this guide, not a forecast.