Late spring · Weather & things to do
Pasadena in May
Pasadena warms up: highs climb to 76°F (24°C), from 71°F in April, with lows of 55°F (13°C) and about 0.4 in (9 mm) of rain.
At 100/100 for comfort (the top score of the year), it's one of the best months to visit.
- Avg high
- 76°F (24°C)
- Avg low
- 55°F (13°C)
- Rain
- 0.4 in (9 mm)
- Humidity
- 62%
- Cloud cover
- 29%
- Daylight
- ~13 h 47 min
- Comfort score
- 100/100 · Great
What May feels like
Days are warm, averaging 76°F (24°C), easy weather for being outside from morning to evening.
Nights cool to an average low of 55°F (13°C).
It's one of the drier stretches, with only about 0.4 in (9 mm) of rain.
Sunny spells dominate: cloud cover averages 29%.
Plan around May
May is one of Pasadena's best months on the climate data.
- Comfort holds steady from April (98 → 100/100).
- Our Los Angeles New Year's Eve route is planned for Dec 30 – Jan 1, a window set by the holiday season rather than the weather — May falls outside it.
What to pack for May
- Light, breathable clothes76°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Comfortable walking shoesmost picks involve some walking
What to do in Pasadena in May
May is good outdoor weather here, so these picks lean toward the open air.
Pasadena City Hall
Domed 1927 Spanish Revival city hall with a fountain courtyard open to visitors.
Pie 'n Burger
Counter diner near Caltech since 1963, known for griddled burgers, pancakes and fruit pies by the slice.
The Raymond 1886
Seasonal American cooking in the former caretaker's cottage of the vanished Raymond Hotel, with a garden patio.
Why now May scores 100/100 for comfort, good conditions for being outside.
Colorado Street Bridge
Curved 1913 concrete arch bridge over the Arroyo Seco, with a walking path along the stream bed below.
Why now Highs near 76°F and 0.4 in of monthly rain make this an easy outdoor pick.
Floatfest
The parked floats, close enough to see the seeds, petals and bark they are covered in, on Sierra Madre Boulevard.
Nearby in May
- Los Angeles in May~9 mi · highs 78°F, 0.4 in rain · 1°C (2°F) warmer by day, about as wet
- Hollywood in May~11 mi · highs 77°F, 0.4 in rain · similar daytime temperatures, about as wet
- Santa Barbara in May~91 mi · highs 73°F, 0.4 in rain · 2°C (3°F) cooler by day, about as wet
- Palm Springs in May~94 mi · highs 94°F, 0.1 in rain · 10°C (18°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Pasadena in May: quick answers
Is May a good time to visit Pasadena?
Yes. On the climate data it's one of the best months, scoring 100/100. Expect highs of 76°F (24°C) and 0.4 in (9 mm) of rain.
How hot is Pasadena in May?
Average highs are 76°F (24°C) and average lows 55°F (13°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Pasadena in May?
Not much: about 0.4 in (9 mm) of rain falls across May on average, the 5th-driest month of the year. The annual total is about 13.1 in (332 mm).
What should I pack for Pasadena in May?
Bring light, breathable clothes (76°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days) and comfortable walking shoes (most picks involve some walking).
Planning Pasadena in May?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.