Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average snowfall in November
- Average snowfall days in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
November weather is marked by a drop in the average high-temperature, falling from a refreshing 58.1°F (14.5°C) in October to a chilly 47.7°F (8.7°C). Throughout November, an average low-temperature of 36.7°F (2.6°C) is experienced.Humidity
In November, the average relative humidity in Saint Helens is 87%.Rainfall
In Saint Helens, in November, during 14.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Saint Helens, during the entire year, the rain falls for 149 days and collects up to 19.37" (492mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. November is the first month it typically snows. Throughout November, in the average 0.7 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, there are 10.2 snowfall days, and 5.91" (150mm) of snow is accumulated.Daylight
In Saint Helens, the average length of the day in November is 9h and 29min.On the first day of November, sunrise is at 7:52 am and sunset at 5:56 pm PDT. On the last day of the month, sunrise is at 7:31 am and sunset at 4:28 pm PST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from PDT to PST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from PST to PDT.
Sunshine
The average sunshine in November is 3.9h.UV index
November is the month with the lowest UV index in Saint Helens, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 1 in November leads to these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average November temperature?
What is the average humidity in November?
How much does it rain in November?
When does it start to snow?
What is the average length of the day in November?
When are sunrise and sunset in November in Saint Helens?
When does Daylight Saving Time (DST) end in November?
How many hours of sunshine does Saint Helens have in November?
When is the lowest UV index?
How high is the UV index in November in Saint Helens?
Average temperature in November
Saint Helens, OR
- Average high temperature in November: 47.7°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in November: 36.7°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure in November
Saint Helens, OR
- Average pressure in November: 30.05"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in November
Saint Helens, OR
- Average wind speed in November: 5mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in November
Saint Helens, OR
- Average humidity in November: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in November
Saint Helens, OR
- Average rainfall in November: 2.13"
The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in November
Saint Helens, OR
- Average rainfall days in November: 14.9 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.9 days).
Average snowfall in November
Saint Helens, OR
- Average snowfall in November: 0.43"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in November
Saint Helens, OR
- Average snowfall days in November: 0.7 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in November /
Average sunshine in November
Saint Helens, OR
- Average daylight in November: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in November: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 42min).
Average sunshine days in November
Saint Helens, OR
- Average sunshine days in November: 13.5 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in November
Saint Helens, OR
- Average UV index in November: 1
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in November
Saint Helens, OR
- Average cloud cover in November: 61
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in November
Saint Helens, OR
- Average visibility in November: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Saint Helens, Oregon, USA
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