Pasadena in May
7.6out of 10
Yes, a good time to go
Warm and comfortable: highs around 29°C. Frequent rain: about 10 rainy days.
29°CAvg high
20°CAvg low
10Rainy days (90 mm)
13:29 hDaylight
06:32Sunrise · 20:02 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Frequent rain: about 10 rainy days
- Rain varies a lot between years (±5.4 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in May varies a lot between years (±5.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 18°C | 8°C | 106 mm | 10 | – | – | 7.0 |
| February | 20°C | 10°C | 84 mm | 9 | – | – | 7.5 |
| March | 23°C | 13°C | 94 mm | 10 | – | – | 7.7 |
| April | 26°C | 16°C | 96 mm | 10 | – | – | 7.7 |
| May | 29°C | 20°C | 90 mm | 10 | – | – | 7.6 |
| June | 32°C | 24°C | 113 mm | 13 | – | – | 6.3 |
| July | 33°C | 24°C | 91 mm | 13 | – | – | 6.2 |
| August | 33°C | 24°C | 98 mm | 13 | – | – | 6.0 |
| September | 31°C | 22°C | 118 mm | 12 | – | – | 6.7 |
| October | 27°C | 17°C | 103 mm | 9 | – | – | 7.8 |
| November | 22°C | 12°C | 105 mm | 8 | – | – | 7.9 |
| December | 19°C | 9°C | 106 mm | 10 | – | – | 7.1 |
Frequently asked questions
How hot is Pasadena in May?
Daytime highs average 29°C and nights about 20°C.
When is the best time to visit Pasadena?
The best months are November, October, March, April.