Pasadena Weather in August

August in Pasadena brings very high temperatures, with daytime highs of 35°C (95°F) and nights around 25°C (77°F). Quite a bit of rainfall is expected, around 119 mm (4.7 in), so pack an umbrella.

Rainfall in Pasadena in August

Typically, about 13 days will experience rainfall, with an average of 119 mm (4.7 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Pasadena in August

If you're visiting Pasadena in August, expect highs of 35°C (95°F) and overnight lows around 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about. With these average temperatures, expect occasional spikes in warmth. Wear light fabrics and stay cool by hydrating regularly.

Sunshine in Pasadena in August

Expect a lot of sunshine this month, with about 270 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Pasadena in August

Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Pasadena. Our weather planner can help you explore destinations with more pleasant weather conditions.