Weather in San Francisco in April
San Francisco, Costa Rica averages a high of 26.4°C (79.5°F) and low of 17.6°C (63.7°F) in April, with 11 rain days and 10.2 hours of daily sunshine. Travel score: 81.1/100 (Excellent). The best time to visit San Francisco is February.
High
26°C80°F
Low
18°C64°F
🌧️
11
rain days
☀️
10.2
hrs/day sunshine
💧
77%
humidity
81— Excellent
April in San Francisco is warm and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in San Francisco?
How much does it rain in San Francisco in April?
San Francisco receives an average of 68.6mm of rainfall across 11 rainy days in April. The annual total is 2555.2mm.
What should I pack for San Francisco in April?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting Costa Rica in April?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31