November weather forecastHillsboro, OR

November
Weather in November
In November, Hillsboro witnesses the onset of winter with the rapid drop in temperature to an average maximum of around 50.7°F (10.4°C). With reduced sunshine hours, the skies are often cloudy, adding to the wintery feel. The noticeable increase in humidity combined with frequent rains echoes the introduction of the colder season. This period lends the city a uniquely beautiful atmosphere with a stark contrast of bare trees against frequently cloudy grayish skies. As the weather conditions shift toward consistent lows, frosty mornings become a common sight towards the end of the month.Temperature
Hillsboro observes a minor decrease in the average high-temperature with the arrival of November, falling from October's comfortable 61.2°F (16.2°C) to a fresh 50.7°F (10.4°C). An average low-temperature of 39.6°F (4.2°C) is observed in Hillsboro during the November nights.Humidity
The months with the highest humidity are January, February, November and December, with an average relative humidity of 85%.Rainfall
In Hillsboro, during November, the rain falls for 18.7 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, there are 173 rainfall days, and 29.49" (749mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. November is the first month it typically snows. Throughout November, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Hillsboro, during the entire year, snow falls for 6.6 days and aggregates up to 4.53" (115mm) of snow.Daylight
In Hillsboro, Oregon, the average length of the day in November is 9h and 31min.On the first day of the month, sunrise is at 7:52 am and sunset at 5:58 pm PDT. On the last day of November, sunrise is at 7:31 am and sunset at 4:30 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
In Hillsboro, the average sunshine in November is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In November, a daily maximum UV index of 2 leads to the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Hillsboro, OR
- Average high temperature in November: 50.7°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in November: 39.6°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in November
Hillsboro, OR
- Average pressure in November: 30.06"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
Hillsboro, OR
- Average wind speed in November: 4.8mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).
Average humidity in November
Hillsboro, OR
- Average humidity in November: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in November
Hillsboro, OR
- Average rainfall in November: 3.19"
The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in November
Hillsboro, OR
- Average rainfall days in November: 18.7 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in November
Hillsboro, OR
- Average snowfall in November: 0.16"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in November
Hillsboro, OR
- Average snowfall days in November: 0.3 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in November /
Average sunshine in November
Hillsboro, OR
- Average daylight in November: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in November: 4h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in November
Hillsboro, OR
- Average sunshine days in November: 10.2 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).
Average UV index in November
Hillsboro, OR
- Average UV index in November: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in November
Hillsboro, OR
- Average cloud cover in November: 59
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in November
Hillsboro, OR
- Average visibility in November: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January and February (4mi).





