October weather forecastSaint John, WA
October
Weather in October
October, the same as September, in Saint John, Washington, is another refreshing autumn month, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 41.9°F (5.5°C).Temperature
October brings with it a considerable temperature decrease, with average high-temperatures dropping from September's agreeable 72.9°F (22.7°C) to a moderate 56.8°F (13.8°C). Saint John observes an average nighttime low-temperature of 41.9°F (5.5°C) during the month of October.Humidity
In Saint John, the average relative humidity in October is 62%.Rainfall
In Saint John, during October, the rain falls for 8.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Saint John, during the entire year, the rain falls for 84.3 days and collects up to 7.24" (184mm) of precipitation.Snowfall
In Saint John, snow does not fall in June through August and October.Daylight
In October, the average length of the day is 10h and 51min.On the first day of October in Saint John, sunrise is at 6:50 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:34 pm PDT.
Sunshine
The average sunshine in October is 6.7h.UV index
In Saint John, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 in October translates into these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Saint John, WA
- Average high temperature in October: 56.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (33.1°F).
- Average low temperature in October: 41.9°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in October
Saint John, WA
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in October
Saint John, WA
- Average wind speed in October: 7.4mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in October
Saint John, WA
- Average humidity in October: 62%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (36%).
Average rainfall in October
Saint John, WA
- Average rainfall in October: 0.67"
The wettest months (with the highest rainfall) are January and May (0.91").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in October
Saint John, WA
- Average rainfall days in October: 8.5 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in October
Saint John, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in October
Saint John, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is December (9.3 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in October /
Average sunshine in October
Saint John, WA
- Average daylight in October: 10h and 54min
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: 6h and 42min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in October
Saint John, WA
- Average sunshine days in October: 20.8 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (15.9 days).
Average UV index in October
Saint John, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Saint John, WA
- Average cloud cover in October: 33
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in October
Saint John, WA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
