Pasadena Historic Weather Records

Analyse hottest, coldest, windiest & wettest days

Pasadena Weather Trend Graph


Temperature (°C)
.
Months
Max Temp.
Historic Max Temp.
Min Temp.
Historic Min Temp.

Yearly Summary 2026


41°C
Highest Temp
26 Jul. 26

2°C
Lowest Temp
20 Feb. 26


Seasonal Breakdown

Hottest MonthAugust36.17°C

Coldest MonthJanuary11.68°C

Wettest MonthFebruary12.26mm

Windiest MonthApril16.94km/h

Frequently Asked Questions


1. What is the hottest month in Pasadena historically?

August is historically Pasadena's hottest month, with average maximum temperatures around 32°C. During peak heatwave events, the highest recorded temperatures have reached 44°C on 2020-09-06.

2. What is the coldest month in Pasadena historically?

January is Pasadena's coldest month, with average minimum temperatures around 8°C. The all-time record low of -2°C was recorded on 2013-01-14.

3. What is the average annual rainfall in Pasadena over the past 17 years?

Pasadena's average annual rainfall is approximately 519.5mm, based on records spanning 17 years.

4. How many rainy days does Pasadena experience on average per year?

Pasadena historically records approximately 71.8 rainy days per year. December has the highest number of rain days at an average of 7.8 days.

5. What is the all-time highest temperature ever recorded in Pasadena?

The all-time highest temperature recorded in Pasadena is 44°C on 2020-09-06.

6. What is the all-time lowest temperature ever recorded in Pasadena?

The all-time lowest temperature recorded in Pasadena is -2°C on 2013-01-14.

7. What is the windiest time of year in Pasadena historically?

Pasadena experiences its strongest winds during May. The historic gust record of 39.6 kph was recorded on 2026-02-18.

8. What is the highest and lowest humidity in Pasadena during a year?

Usually, Pasadena's humidity peaks in May at around 56.1% and drops to its lowest in November at approximately 44.02%.