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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another comfortable winter month in East Pasadena, California, with an average temperature ranging between min 47.3°F (8.5°C) and max 63.9°F (17.7°C). East Pasadena experiences a transition to a still enjoyable 63.9°F (17.7°C) in average high-temperatures with the arrival of January, not greatly differing from December's 61.7°F (16.5°C). Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in East Pasadena, California, with an average temperature varying between 46.6°F (8.1°C) and 63.3°F (17.4°C). East Pasadena's transition from January to February introduces an average high-temperature of a still refreshing 63.3°F (17.4°C), marking an insignificant variation from the 63.9°F (17.7°C). Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in East Pasadena, California, with an average temperature fluctuating between 66.9°F (19.4°C) and 48.2°F (9°C). The advent of March presents an average high-temperature of a still refreshing 66.9°F (19.4°C), maintaining a close correlation with the preceding month. Weather in March »
Weather in April
April is an agreeable spring month in East Pasadena, California, with an average temperature fluctuating between 71.2°F (21.8°C) and 50.7°F (10.4°C). Entering April, East Pasadena's average high-temperature reads a pleasant 71.2°F (21.8°C), indicating a close resemblance to the previous month's climate. Weather in April »
Weather in May
May, the last month of the spring in East Pasadena, is a moderately hot month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 73.9°F (23.3°C). East Pasadena ushers in May with an average high-temperature of a moderately hot 73.9°F (23.3°C), showing a close resemblance to the previous month. Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in East Pasadena, California, with an average temperature varying between 58.3°F (14.6°C) and 80.2°F (26.8°C). The start of June signals a slight increase in the average high-temperature, moving from a warm 73.9°F (23.3°C) in May to a still moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in East Pasadena, California, with an average temperature fluctuating between 63.5°F (17.5°C) and 85.5°F (29.7°C). East Pasadena registers an average high-temperature of a still moderately hot 85.5°F (29.7°C) at the commencement of July, closely related to the preceding month. Weather in July »
Weather in August
The last month of the summer, August, is a tropical month in East Pasadena, California, with temperature in the range of an average high of 87.1°F (30.6°C) and an average low of 64.9°F (18.3°C). August is the month that records the highest temperatures, with averages ranging from a high of 87.1°F (30.6°C) to a low of 64.9°F (18.3°C). August's heat index is evaluated at a tropical 89.6°F (32°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in East Pasadena, California, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 63.3°F (17.4°C). Upon the beginning of September, East Pasadena's high-temperatures register at a warm 84.4°F (29.1°C), closely mirroring the preceding month. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in East Pasadena, California, with an average temperature varying between 77.5°F (25.3°C) and 58.6°F (14.8°C). The average high-temperature shows a slight dip in October, from September's warm 84.4°F (29.1°C) to a still moderately hot 77.5°F (25.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an agreeable month in East Pasadena, California, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 52.7°F (11.5°C). In November, the average high-temperature marginally drops from a moderately hot 77.5°F (25.3°C) in October to an agreeable 69.6°F (20.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a comfortable month in East Pasadena, California, with an average temperature varying between 46.8°F (8.2°C) and 61.7°F (16.5°C). With an average high-temperature of 61.7°F (16.5°C) and an average low-temperature of 46.8°F (8.2°C), December is the coldest month. Weather in December »
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How much does it rain?
In East Pasadena, during the entire year, the rain falls for 50.1 days and collects up to 8.5" (216mm) of precipitation.
What are the months with the least sunshine?
The months with the least sunshine are January, February and December, with an average of 6.9h of sunshine.
What is the rainiest month in East Pasadena?
February is the month with the most rainfall. Rain falls for 5.8 days and accumulates 1.77" (45mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the most humid month?
June is the most humid month, with an average relative humidity of 58%.
What is the driest month?
June is the month with the least rainfall. Rain falls for 1.1 days and accumulates 0.04" (1mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 14h and 24min of daylight.
What are the months with the most sunshine?
June and July, with an average of 12.1h of sunshine, are months with the most sunshine.
What is the month with the highest UV index?
June through September, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
Temperature records mark August as the warmest month, with highs averaging 87.1°F (30.6°C) and lows at 64.9°F (18.3°C).
What is the least humid month?
November is the least humid month, with an average relative humidity of 47%.
What time of the year is the coldest?
December is East Pasadena's coldest month, registering average high temperatures of 61.7°F (16.5°C) and lows of 46.8°F (8.2°C).
What is the month with the shortest days?
With an average of 9h and 54min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
East Pasadena, CA
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (61.7°F).
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (46.6°F).
Average pressure
East Pasadena, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
East Pasadena, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.8mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5.1mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.4mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity
East Pasadena, CA
The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).
Average rainfall
East Pasadena, CA
- Average rainfall in January:
1.57" - Average rainfall in February:
1.77" - Average rainfall in March:
1.14" - Average rainfall in April:
0.59" - Average rainfall in May:
0.2" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.12" - Average rainfall in September:
0.16" - Average rainfall in October:
0.24" - Average rainfall in November:
0.79" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is February (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
East Pasadena, CA
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
5.3 days - Average rainfall days in May:
3.7 days - Average rainfall days in June:
1.1 days
- Average rainfall days in July:
3.2 days - Average rainfall days in August:
1.5 days - Average rainfall days in September:
2.6 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
6.1 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (1.1 days).
Average daylight / Average sunshine
East Pasadena, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 2min - Average sunshine in May:
11h and 5min - Average sunshine in June:
12h and 1min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
8h and 4min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days
East Pasadena, CA
- Average sunshine days in January:
24.7 days - Average sunshine days in February:
21.5 days - Average sunshine days in March:
22.8 days - Average sunshine days in April:
24.5 days - Average sunshine days in May:
25.3 days - Average sunshine days in June:
27.5 days
- Average sunshine days in July:
25.4 days - Average sunshine days in August:
27.2 days - Average sunshine days in September:
25.2 days - Average sunshine days in October:
27.1 days - Average sunshine days in November:
24.7 days - Average sunshine days in December:
23.4 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is February (21.5 days).
Average UV index
East Pasadena, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
East Pasadena, CA
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
East Pasadena, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
East Pasadena, California, USA
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