Pasadena, CA weather in April
In April, Pasadena sees highs around 76°F and lows around 51°F: mild and mostly dry. There are about 3 days with rain. Great for outdoor plans.
- Normal high
- 76°F
- Normal low
- 51°F
- Wet days
- 3
- 1.1 in total
- Muggy days
- 0
- dew point 65°F+
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 75°F | 77°F |
| Normal low | 49°F | 52°F |
| Chance of a wet day | 14% | 10% |
| Sunrise / sunset | 6:39 am / 7:13 pm | 6:04 am / 7:35 pm |
| Daylight | 12.6 h | 13.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical April day
- 6 am54°Fdew point 44°F
- 9 am63°Fdew point 43°F
- Noon71°Fdew point 42°F
- 3 pm71°Fdew point 42°F
- 6 pm67°Fdew point 43°F
- 9 pm61°Fdew point 45°F
NOAA hourly normals (local standard time) from Burbank Glendale Pasadena Airport (13 mi away); average wind 6 mph; clear or few clouds in 71% of daytime hours, mostly cloudy or overcast in 24%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F18 of 30
- Hot dayshigh 90°F or more3 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow3 of 30
- Notable rainat least 0.10 in2 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain in April
Normal precipitation is 1.1 in; a dry April brings about 0.05 in and a wet one about 1.5 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How April varies from year to year
- Warmest April, 1991-20201996: average high 82°F
- Coolest April2006: average high 69°F
- Wettest April2020: 4.9 in
- Driest April1993: no measurable precipitation
- Highest reading101°F (April 20, 2009)
- Lowest reading37°F (April 16, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 73°F | 76°F | 78°F |
| Normal low | 48°F | 51°F | 54°F |
| Wet days | 6 | 3 | 3 |
| Comfortable days | 19 | 18 | 19 |
| Daylight | 12.0 h | 13.1 h | 13.9 h |
Highs change by +3°F from March and +2°F into May.
Nearby alternatives in April
- Warmer: Palm Springs, CA94 mi · high 87°F · 1 wet day
- Cooler: Torrance, CA24 mi · high 68°F · 3 wet days
How Pasadena ranks in April
- Normal high91st warmest of 378 cities; 6th of 60 in California
- Wet days39th driest of 378
- Comfortable days38th most of 340
What to pack for Pasadena in April
- Layers – afternoons near 76°F but nights near 51°F
Heating and cooling
April has 100 heating degree days and 52 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Pasadena in April?
The normal high is 76°F and the normal low is 51°F. From 1991 to 2020 the hottest April reading was 101°F (April 20, 2009).
Does it rain a lot in Pasadena in April?
About 3 days in April have at least 0.01 in of precipitation, and the normal total is 1.1 in. The wettest April in 1991-2020 was in 2020 (4.9 in); the driest was in 1993, with no measurable precipitation.
Is April a good time to visit Pasadena?
April ranks 2nd of 12 months on our comfort score for Pasadena (75 out of 100). It has about 18 comfortable days and about 3 days at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain and frost dates: Pasadena (USC00046719), 0.0 mi NNW of the city center, 864 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: U C L A (USC00049152), 18 mi WSW of the city center, 430 ft (433 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Burbank Glendale Pasadena Airport (USW00023152), 13 mi WNW of the city center, 741 ft (122 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Burbank-Glendale-Pasa Arpt (722880-23152), 13 mi WNW of the city center, 731 ft (132 ft lower than the city). Hourly observations, 1991-2020.