San Francisco Weather in April

April in San Francisco typically sees daytime highs of 18°C (64°F) and nighttime lows of 10°C (50°F). Expect some rainfall during the month.

Rainfall in San Francisco in April

Based on our climate data of the past 30 years, about 7 days of rain are anticipated, with 45 mm (1.8 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in San Francisco in April

In April, San Francisco gets moderate temperatures, with highs of 18°C (64°F). Nights cool to around 10°C (50°F). Conditions are often most pleasant around the middle of the day. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in San Francisco in April

With approximately 310 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in San Francisco in April

Wind speeds average 6 m/s (12 knots) during April. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in April

At 13°C (55°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If you prefer dry days with pleasant temperatures, May, June, July, August, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.