Pasadena Weather in May

During May, Pasadena experiences high daytime temperatures of 30°C (86°F) and cooler nights around 21°C (70°F). Expect quite a bit of rainfall. Around 154 mm (6.1 in) is typical.

Rainfall in Pasadena in May

You can typically expect 9 days of rain this month, averaging around 154 mm (6.1 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Pasadena in May

Temperatures in Pasadena in May top out at 30°C (86°F) and drop to 21°C (70°F) overnight. This kind of day-to-night contrast is typical for this time of year. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Pasadena in May

The days are predominantly sunny, with an estimated total of around 250 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Pasadena in May

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

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March typically offers the best weather for Pasadena.