Pasadena, CA weather in July
July in Pasadena: hot and dry. Highs 89°F, lows 62°F, about 1 day with rain.
- Normal high
- 89°F
- Normal low
- 62°F
- Wet days
- 1
- 0.06 in total
- Muggy days
- 1
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 87°F | 90°F |
| Normal low | 60°F | 63°F |
| Chance of a wet day | 3% | 2% |
| Sunrise / sunset | 5:44 am / 8:08 pm | 6:03 am / 7:54 pm |
| Daylight | 14.4 h | 13.9 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 July day
- 6 am66°Fdew point 58°F
- 9 am74°Fdew point 58°F
- Noon84°Fdew point 59°F
- 3 pm85°Fdew point 57°F
- 6 pm79°Fdew point 57°F
- 9 pm71°Fdew point 59°F
NOAA hourly normals (local standard time) from Burbank Glendale Pasadena Airport (13 mi away); average wind 6 mph; clear or few clouds in 91% of daytime hours, mostly cloudy or overcast in 7%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
- Hot dayshigh 90°F or more15 of 31
- Muggy daysdaily mean dew point 65°F or more1 of 31
- Wet daysat least 0.01 in of rain or melted snow1 of 31
- Notable rainat least 0.10 in0 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 0.06 in; a dry July brings about 0.0 in and a wet one about 0.01 in (25th and 75th percentiles). Days with half an inch or more are rare.
How July varies from year to year
- Warmest July, 1991-20202006: average high 94°F
- Coolest July1993: average high 84°F
- Wettest July1992: 0.8 in
- Driest July1993: no measurable precipitation
- Highest reading113°F (July 7, 2018)
- Lowest reading48°F (July 16, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 84°F | 89°F | 91°F |
| Normal low | 58°F | 62°F | 63°F |
| Wet days | 2 | 1 | 0 |
| Comfortable days | 10 | 1 | 0 |
| Daylight | 14.4 h | 14.2 h | 13.4 h |
Highs change by +5°F from June and +2°F into August.
Nearby alternatives in July
- Warmer: Santa Clarita, CA28 mi · high 95°F · 0 wet days
- Cooler: Los Angeles, CA9 mi · high 82°F · 0 wet days
How Pasadena ranks in July
- Normal high165th warmest of 378 cities; 28th of 60 in California
- Wet days39th driest of 378
- Comfortable days179th most of 340
What to pack for Pasadena in July
- Light, breathable clothing – highs near 89°F and about 1 muggy days
- Layers – afternoons near 89°F but nights near 62°F
- Sunglasses and sunscreen – about 14.2 hours of daylight and highs near 89°F
Heating and cooling
July has 0 heating degree days and 327 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How hot is Pasadena in July?
The normal high is 89°F and the normal low is 62°F. From 1991 to 2020 the hottest July reading was 113°F (July 7, 2018).
Does it rain a lot in Pasadena in July?
About 1 days in July have at least 0.01 in of precipitation, and the normal total is 0.06 in. The wettest July in 1991-2020 was in 1992 (0.8 in); the driest was in 1993, with no measurable precipitation.
Is July a good time to visit Pasadena?
July ranks 10th of 12 months on our comfort score for Pasadena (49 out of 100). It has about 1 comfortable day and about 15 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.