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
As Halcyon steps into October, the average high-temperature is measured at a still moderately hot 74.3°F (23.5°C), displaying minor differences from September's 79.5°F (26.4°C). In the month of October, the average low-temperature usually rests at a moderate 56.7°F (13.7°C).Humidity
With an average relative humidity of 58%, October is the least humid month.Rainfall
In Halcyon, California, in October, it is raining for 2.9 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Halcyon, there are 47.6 rainfall days, and 6.93" (176mm) of precipitation is accumulated.Daylight
The average length of the day in October is 11h and 17min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:45 pm. On the last day of October, in Halcyon, sunrise is at 7:23 am and sunset at 6:08 pm PDT.
Sunshine
The average sunshine in October is 7.6h.UV index
The average daily maximum UV index in October in Halcyon, California, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 5 in October transforms into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the usual temperature for Halcyon in October?
What is the least humid month in Halcyon?
What is the average humidity in October in Halcyon?
How many days does it rain in October in Halcyon?
What is the average length of the day in October in Halcyon?
What time are sunrise and sunset in October in Halcyon?
How long on average sun shines in October in Halcyon?
How high is the UV index in October in Halcyon?
Average temperature in October
Halcyon, CA
- Average high temperature in October: 74.3°F
The warmest month (with the highest average high temperature) is September (79.5°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in October: 56.7°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in October
Halcyon, CA
- Average pressure in October: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in October
Halcyon, CA
- Average wind speed in October: 6.1mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in October
Halcyon, CA
- Average humidity in October: 58%
The month with the highest relative humidity is March (68%).
The month with the lowest relative humidity is October (58%).
Average rainfall in October
Halcyon, CA
- Average rainfall in October: 0.35"
The wettest month (with the highest rainfall) is March (1.61").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in October
Halcyon, CA
- Average rainfall days in October: 2.9 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in October /
Average sunshine in October
Halcyon, CA
- Average daylight in October: 11h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in October: 7h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in October
Halcyon, CA
- Average sunshine days in October: 27.4 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is February (21 days).
Average UV index in October
Halcyon, CA
- Average UV index in October: 5
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in October
Halcyon, CA
- Average cloud cover in October: 12
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in October
Halcyon, 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).
Halcyon, California, USA
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