San José Weather in January

January in San José sees daytime temperatures around 16°C (61°F) and lows of 12°C (54°F) at night. Pack a rain jacket because some rainfall is likely.

Rainfall in San José in January

Past climate data indicates that roughly 12 days will see rain, totalling around 30 mm (1.2 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in San José in January

San José in January gets highs of 16°C (61°F) during the day and drops to 12°C (54°F) at night. During January, you'll experience the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. Expect the mildest temperatures of the year this month, yet still enjoyably warm.

Sunshine in San José in January

The month enjoys around 193 hours of sunshine, creating mostly sunny days with good weather conditions.

Should you favor a climate that's both dry and comfortably warm, March, April, May, June, July, August, September and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.