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 snowfall in October
- Average snowfall 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
The beginning of October marks a decrease in the average high-temperature, transitioning from an agreeable 70.2°F (21.2°C) in September to a mild 58.6°F (14.8°C). October's nights observe an average temperature of 42.1°F (5.6°C).Humidity
In Rochester, the average relative humidity in October is 85%.Rainfall
In Rochester, during October, the rain falls for 14.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Rochester, during the entire year, the rain falls for 168 days and collects up to 23.94" (608mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in October is 10h and 52min.On the first day of October, sunrise is at 7:12 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:57 pm PDT.
Sunshine
In October, the average sunshine is 4.9h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 3 in October translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the average humidity in October in Rochester?
How much does it rain in October?
When it does not snow in Rochester?
Does it snow in October?
How many hours of daylight does Rochester have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Rochester have in October?
What is the UV index reading in October?
Average temperature in October
Rochester, WA
- Average high temperature in October: 58.6°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in October: 42.1°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in October
Rochester, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in October
Rochester, WA
- Average wind speed in October: 3.9mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in October
Rochester, WA
- Average humidity in October: 85%
The month with the highest relative humidity is November (90%).
The month with the lowest relative humidity is July (73%).
Average rainfall in October
Rochester, WA
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is January (3.86").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in October
Rochester, WA
- Average rainfall days in October: 14.9 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in October
Rochester, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Rochester, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Rochester, WA
- Average daylight in October: 10h and 5min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in October: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in October
Rochester, WA
- Average sunshine days in October: 14.3 days
The month with the most sunshine days is August (20.9 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in October
Rochester, WA
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Rochester, WA
- Average cloud cover in October: 53
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in October
Rochester, WA
- Average visibility in October: 4mi
The month with the highest visibility is July (5mi).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (4mi).
Rochester, Washington, USA
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