October weather forecastJamestown, CA
October
Weather in October
October, like September, in Jamestown, California, is a moderately hot autumn month, with an average temperature ranging between min 51.4°F (10.8°C) and max 73.6°F (23.1°C).Temperature
Jamestown's weather in October involves a decrease in the average high-temperature, moving down from September's warm 85.1°F (29.5°C) to a still moderately hot 73.6°F (23.1°C). Jamestown's nighttime temperature in October demonstrates a noticeable plunge to a cool 51.4°F (10.8°C).Humidity
In October, the average relative humidity is 43%.Rainfall
In October, in Jamestown, the rain falls for 4.1 days. Throughout October, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 76.7 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Jamestown, the average length of the day in October is 11h and 11min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:27 am and sunset at 6:03 pm PDT.
Sunshine
The average sunshine in October is 7.5h.UV index
In October, the average daily maximum UV index in Jamestown, California, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In October, the UV index of 4 transforms into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Jamestown, CA
- Average high temperature in October: 73.6°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in October: 51.4°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in October
Jamestown, CA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Jamestown, CA
- Average wind speed in October: 5.2mph
The windiest months (with the highest average wind speed) are February, March and April (5.7mph).
The calmest months (with the lowest average wind speed) are November and December (4.7mph).
Average humidity in October
Jamestown, CA
- Average humidity in October: 43%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in October
Jamestown, CA
- Average rainfall in October: 1.02"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in October
Jamestown, CA
- Average rainfall days in October: 4.1 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in October
Jamestown, CA
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Jamestown, CA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Jamestown, CA
- Average daylight in October: 11h and 12min
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 36min).
- Average sunshine in October: 7h and 30min
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
Jamestown, CA
- Average sunshine days in October: 26.3 days
The months with the most sunshine days are July and August (28.4 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in October
Jamestown, CA
- Average UV index in October: 4
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in October
Jamestown, CA
- Average cloud cover in October: 13
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in October
Jamestown, 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).
