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
October implies a gentle temperature shift, with average high-temperatures reducing from September's tropical 86.9°F (30.5°C) to a warm 76.5°F (24.7°C). The temperature in Vacaville notes a substantial fall from the daily peak to an average of 54.1°F (12.3°C) during October nights.Humidity
The average relative humidity in October is 52%.Rainfall
In Vacaville, in October, during 2.6 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In Vacaville, during the entire year, the rain falls for 47.1 days and collects up to 4.17" (106mm) of precipitation.Daylight
In October, the average length of the day in Vacaville is 11h and 11min.On the first day of the month, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:34 am and sunset at 6:08 pm PDT.
Sunshine
In October, the average sunshine in Vacaville is 7.1h.UV index
In October, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in October interprets into the following recommendations:
Take precautions - Protection against sun damage is advised. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the temperatures in Vacaville in October?
What is the average humidity in October in Vacaville?
How much does it rain in Vacaville in October?
What is the average length of the day in October in Vacaville?
When are sunrise and sunset in October in Vacaville?
How long on average sun shines in October in Vacaville?
How high is the UV index in October in Vacaville?
Average temperature in October
Vacaville, CA
- Average high temperature in October: 76.5°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in October: 54.1°F
The month with the highest average low temperature is September (58.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).
Average pressure in October
Vacaville, CA
- Average pressure in October: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in October
Vacaville, CA
- Average wind speed in October: 5.3mph
The windiest months (with the highest average wind speed) are May and June (6.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.7mph).
Average humidity in October
Vacaville, CA
- Average humidity in October: 52%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (48%).
Average rainfall in October
Vacaville, CA
- Average rainfall in October: 0.24"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are July, August and September (0.04").
Average rainfall days in October
Vacaville, CA
- Average rainfall days in October: 2.6 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is August (1 days).
Average daylight in October /
Average sunshine in October
Vacaville, CA
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 7h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in October
Vacaville, CA
- Average sunshine days in October: 27.8 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in October
Vacaville, CA
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Vacaville, CA
- Average cloud cover in October: 16
The months with the most cloud cover are March and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in October
Vacaville, 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).
Vacaville, California, USA
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