Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With October's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 85.5°F (29.7°C) in September to a still warm 79°F (26.1°C). Rosemead's average low-temperature during October nights is observed to be a mild 59.4°F (15.2°C).Humidity
In October, the average relative humidity is 49%.Rainfall
In Rosemead, in October, it is raining for 2.6 days, with typically 0.16" (4mm) of accumulated precipitation. In Rosemead, during the entire year, the rain falls for 43 days and collects up to 6.06" (154mm) of precipitation.Daylight
In Rosemead, the average length of the day in October is 11h and 19min.On the first day of October, sunrise is at 6:47 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:59 pm PDT.
Sunshine
In Rosemead, the average sunshine in October is 8.6h.UV index
In October, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 5 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How much does it rain in October?
How many hours of daylight does Rosemead have in October?
When are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Rosemead, CA
- Average high temperature in October: 79°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in October: 59.4°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.5°F).
Average pressure in October
Rosemead, CA
- Average pressure in October: 29.95"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in October
Rosemead, CA
- Average wind speed in October: 4.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).
Average humidity in October
Rosemead, CA
- Average humidity in October: 49%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).
Average rainfall in October
Rosemead, CA
- Average rainfall in October: 0.16"
The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in October
Rosemead, CA
- Average rainfall days in October: 2.6 days
The month with the highest number of rainy days is March (5.5 days).
The month with the least rainy days is June (1.2 days).
Average daylight in October /
Average sunshine in October
Rosemead, CA
- Average daylight in October: 11h and 2min
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 October: 8h and 4min
The month with the most sunshine is 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 in October
Rosemead, CA
- Average sunshine days in October: 26.7 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is February (22.2 days).
Average UV index in October
Rosemead, CA
- Average UV index in October: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in October
Rosemead, CA
- Average cloud cover in October: 10
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in October
Rosemead, CA
- Average visibility in October: 6mi
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).
Rosemead, California, USA
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