The best times to visit South Pasadena for ideal weather are

March 5th to July 15th

or

October 1st to December 9th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other South Pasadena Travel Info

Weather in South Pasadena

Temperature

Average temperatures in South Pasadena vary somewhat. Considering humidity, temperatures feel very enjoyable all year with a very low chance of rain or snow throughout the year. The area is more temperate than most — in the 86th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit South Pasadena, the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 88.5°F (31.4°C) with temperatures rarely dropping below 67°F (19.4°C) at night.

South Pasadena Temperatures (Fahrenheit)

Key
High
Average
Low

South Pasadena Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

South Pasadena Perceived Temperature (F)

Key
High
Average
Low

South Pasadena Perceived Temperature (C)

Key
High
Average
Low

 

Average South Pasadena Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 71.2 58.1 48.5
Feb 69.4 58.1 49.8
Mar 72.6 60.9 52.8
Apr 73.6 62.4 54.6
May 75.3 65 58
Jun 77.4 67.5 61.1
Jul 81.9 71 64.3
Aug 84.5 72.6 65.1
Sep 84.9 72.5 64.9
Oct 80.9 68.8 60.5
Nov 74.6 62.3 53.1
Dec 67.7 56.4 48

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 21.8 14.5 9.2
Feb 20.8 14.5 9.9
Mar 22.6 16.1 11.6
Apr 23.1 16.9 12.6
May 24.1 18.3 14.4
Jun 25.2 19.7 16.2
Jul 27.7 21.7 17.9
Aug 29.2 22.6 18.4
Sep 29.4 22.5 18.3
Oct 27.2 20.4 15.8
Nov 23.7 16.8 11.7
Dec 19.8 13.6 8.9

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in South Pasadena are August, July, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late May to early June. For example, on the week of May 28th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late January with an average of 2 days of significant precipitation the week of January 22nd.

When can you find snow in South Pasadena? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in South Pasadena.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in South Pasadena (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 10% 0 2.1
Feb 12% 0 1.9
Mar 6% 0 1.3
Apr 5% 0 0.6
May 3% 0 0.5
Jun 0% 0 0
Jul 0% 0 0.1
Aug 0% 0 0
Sep 1% 0 0.3
Oct 4% 0 0.7
Nov 8% 0 0.9
Dec 16% 0 3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 10 0 5.3
Feb 12 0 4.8
Mar 6 0 3.3
Apr 5 0 1.5
May 3 0 1.3
Jun 0 0 0
Jul 0 0 0.3
Aug 0 0 0
Sep 1 0 0.8
Oct 4 0 1.8
Nov 8 0 2.3
Dec 16 0 7.6

 

Humidity and Wind

South Pasadena has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is January (40% relative humidity), and the most humid month is June (60%).

Wind in South Pasadena is usually extremely calm. The windiest month is April, followed by May and June. April’s average wind speed of around 1.7 knots (2 MPH or 3.2 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 6.7 knots, which is considered a light breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in South Pasadena.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 1 Barely noticeable 5 Light breeze
Feb 1.3 Barely noticeable 5.6 Light breeze
Mar 1.5 Barely noticeable 6 Light breeze
Apr 1.7 Barely noticeable 6.6 Light breeze
May 1.7 Barely noticeable 6.3 Light breeze
Jun 1.5 Barely noticeable 5.6 Light breeze
Jul 1.4 Barely noticeable 5.8 Light breeze
Aug 1.3 Barely noticeable 5.5 Light breeze
Sep 1.2 Barely noticeable 5.5 Light breeze
Oct 1.1 Barely noticeable 5.3 Light breeze
Nov 1 Barely noticeable 5 Light breeze
Dec 1.1 Barely noticeable 5.2 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 40%
Feb 48.9%
Mar 49.4%
Apr 48.6%
May 53.5%
Jun 60%
Jul 59.4%
Aug 55.8%
Sep 54.5%
Oct 49.7%
Nov 44.7%
Dec 47.2%

 

Is it Safe to Travel to South Pasadena?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in South Pasadena, CA, US is July, followed by June and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit South Pasadena in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 62.4 in November means 62.4% of the tourists vs. July.

 

 

Overall South Pasadena Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 77.3°F (25.2°C) and 69.6°F (20.9°C) with warmer temperatures in the later months. Rain is rare with 1 to 2 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in South Pasadena, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 86.6°F (30.3°C) and 71.9°F (22.2°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 2 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is somewhat cool this time of year in South Pasadena to be enjoyable for warm weather travelers. The average high during this season is between 73.1°F (22.8°C) and 66.4°F (19.1°C). On average, it rains or snows a smalll amount: 3 to 5 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› the United States › South Pasadena, CA, US