October weather forecastMcHenry, CA
October
Weather in October
October, the same as September, is another warm autumn month in McHenry, California, with an average temperature fluctuating between 54.1°F (12.3°C) and 77.4°F (25.2°C).Temperature
The move into October indicates a reduction in the average high-temperature, down from September's hot 90°F (32.2°C) to a warm 77.4°F (25.2°C). Nighttime temperatures exhibit a substantial dip from daytime highs during October, averaging at a fresh 54.1°F (12.3°C).Humidity
In McHenry, the average relative humidity in October is 48%.Rainfall
In McHenry, in October, during 2.9 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 59.3 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
In McHenry, snow does not fall in January through November.Daylight
In McHenry, the average length of the day in October is 11h and 12min.On the first day of the month, sunrise is at 7:00 am and sunset at 6:46 pm. On the last day of October, sunrise is at 7:29 am and sunset at 6:06 pm PDT.
Sunshine
The average sunshine in October is 7.3h.UV index
In McHenry, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In October, the average maximum UV index of 5 translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
McHenry, CA
- Average high temperature in October: 77.4°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in October: 54.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in October
McHenry, CA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
McHenry, CA
- Average wind speed in October: 5.4mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in October
McHenry, CA
- Average humidity in October: 48%
The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).
Average rainfall in October
McHenry, CA
- Average rainfall in October: 0.43"
The wettest month (with the highest rainfall) is March (1.65").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
McHenry, CA
- Average rainfall days in October: 2.9 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (0.7 days).
Average snowfall in October
McHenry, CA
- Average snowfall in October: 0"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in October
McHenry, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in October /
Average sunshine in October
McHenry, CA
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 7h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in October
McHenry, CA
- Average sunshine days in October: 26.9 days
The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (18.7 days).
Average UV index in October
McHenry, CA
- Average UV index in October: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
McHenry, CA
- Average cloud cover in October: 13
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in October
McHenry, 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).





