Climate normals · 1970–2000
Pasadena Climate
Pasadena is a city in United States (CA) with a population of about 142,250. Its average annual temperature is 18.3°C (65°F), with roughly 464 mm of rain per year.
18.3°C
Avg Temp
464
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Pasadena Climate
Pasadena has an average annual temperature of 18.3°C (65°F) and receives about 464 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
18.3°C
Avg Temp
464
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 13° / 56° | 99 mm |
| February | 14° / 57° | 108 mm |
| March | 15° / 59° | 94 mm |
| April | 17° / 62° | 27 mm |
| May | 19° / 66° | 8 mm |
| June | 22° / 71° | 3 mm |
| July | 24° / 75° | 1 mm |
| August | 25° / 76° | 3 mm |
| September | 23° / 74° | 8 mm |
| October | 20° / 68° | 13 mm |
| November | 16° / 60° | 42 mm |
| December | 13° / 56° | 58 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Pasadena
The most comfortable months to visit Pasadena are typically June, October and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 32°C high). The coldest is January (near 6°C low). February is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Pasadena are typically June, October and September, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Pasadena, United States has an average annual temperature of 18.3°C and about 464 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Pasadena average about 32°C (90°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.