Burbank Glendale Pasadena, CA

California · Records since 1939–2026

🌙 69°F
Currently in Burbank Glendale Pasadena
As of 2:45 AM PDT

Records for August 11

🔥 Record High

101°F

August 11, 2012

+12° from 89° normal

❄ Record Low

53°F

August 11, 1949

-12° from 65° normal
🌞 Normal high: 89°F 🌑 Normal low: 65°F 1991–2020 normals

All-Time Records — Burbank Glendale Pasadena

🔥
114°F
Hottest Day Ever
Sep 6, 2024
22°F
Coldest Day Ever
Jan 29, 1979
🌧
7.76"
Wettest Day Ever
Jan 22, 1943
2.5"
Most Snow in One Day
Jan 10, 1949

Top 10 Record Highs — August 11

# Temp Date
🏆 101°F August 11, 2012
2 101°F August 11, 1980
3 100°F August 11, 2000
4 99°F August 11, 1994
5 98°F August 11, 2003
6 98°F August 11, 1967
7 98°F August 11, 1946
8 97°F August 11, 2022
9 97°F August 11, 1983
10 96°F August 11, 1998

Top 5 Record Lows — August 11

# Temp Date
🥶 53°F August 11, 1949
2 54°F August 11, 1976
3 54°F August 11, 1948
4 55°F August 11, 1950
5 57°F August 11, 1977
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1939–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Burbank Glendale Pasadena

threshold: 96°F (90th percentile of historical Jun–Aug highs)
4.5
Avg heat wave length
days (historical)
103°
Avg peak temp
during heat waves
10
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

142 of 221 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1940–2026
38
2026 so far
55
Avg/year 1970–2025
60
Avg/year (last 10 complete)
101
Most in a year (1984)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Burbank Glendale Pasadena

# Dates Days Peak Avg High Avg Overnight Low
🏆 Sep 7, 1979 – Sep 22, 1979 16 112°F (Sep 9) 103°F 63°F
2 Jul 22, 1980 – Aug 2, 1980 12 107°F (Jul 29) 102°F 65°F
3 Jul 31, 1971 – Aug 11, 1971 12 101°F (Aug 6) 99°F 67°F
4 Aug 30, 2022 – Sep 9, 2022 11 112°F (Aug 31) 104°F 78°F
5 Aug 29, 1955 – Sep 8, 1955 11 111°F (Sep 5) 105°F 70°F
6 Jul 31, 1969 – Aug 10, 1969 11 100°F (Aug 4) 98°F 65°F
7 Jul 23, 1972 – Aug 1, 1972 10 108°F (Jul 28) 102°F 65°F
8 Aug 26, 2009 – Sep 4, 2009 10 105°F (Aug 27) 100°F 70°F
9 Sep 22, 1978 – Sep 30, 1978 9 109°F (Sep 25) 104°F 61°F
10 Aug 26, 1983 – Sep 3, 1983 9 103°F (Aug 27) 99°F 60°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

46
2026 so far
above-normal nights
29.5
Avg / summer
1970–2020
80
Most in a summer
2022

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

6.41"
2026 YTD
Normal: 10.48"
-4.07"
0.00"
August so far
August normal: 0.01"
-0.01"
0.00"
Summer so far
Summer normal: 0.11"
-0.11"
2
2026 heavy rain days
Days with ≥ 1.0"

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1970–2026)

Blue = above average · tan = below average · gold = 2026 (partial)

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")

Month in Review — July 2026

78.3°F

Average temperature · July 2026

26th-warmest month on record

6th-warmest July of 78 on record

+2.5° vs. 75.8° average (1991–2020)
82.2°F
Warmest month ever
September 2022
82.0°F
Warmest July ever
2006
19
Days ≥ 90°F
in July
99°F
Hottest of 2026
Mar 17

Longest 90°F Streak in July

14 consecutive days with highs of at least 90°F (Jul 18–31, 2026, peaking at 97°F)

Ties the longest July streak since 2009 (17 years). The July record is 20 days, set in 1974.


Average July Temperature by Year

1940–2026 · 2026 highlighted


Warmest Julys on Record

# Year Avg Temp
1 2006 82.0°F
2 2018 80.7°F
3 1984 79.7°F
4 2017 78.4°F
5 2023 78.4°F
6 2026 78.3°F
7 2003 78.3°F
8 1954 78.2°F
9 1980 78.2°F
10 2022 78.0°F

Warmest Months on Record (Any Month)

# Month Avg Temp
1 September 2022 82.2°F
2 August 2022 82.1°F
3 July 2006 82.0°F
4 September 1984 81.7°F
5 August 2012 81.2°F
6 July 2018 80.7°F
7 August 1994 80.5°F
8 August 1967 80.3°F
9 August 1998 80.2°F
10 September 2015 80.1°F

Nearby Stations — July 2026

How the same month ranked at the closest reporting stations

Station Avg Temp July Rank
Burbank Glendale Pasadena, CA 78.3°F 6th of 78
Los Angeles Downtown, CA 76.6°F 12th of 150
Los Angeles Airport, CA 72.2°F 5th of 82
Palmdale, CA 83.3°F 30th of 94
Long Beach, CA 75.3°F 10th of 69
About this data. Monthly averages are the mean of daily average temperatures, computed from NOAA Threadex records via RCC ACIS. Months missing more than three days of observations are excluded from the rankings, so the in-progress month never appears. Rankings cover 953 complete months on record.