October weather forecastGresham, OR
October
Weather in October
October’s weather in Gresham witnesses the city fully transitioning into autumn. The temperature difference between October and September, dropping from an average of 73°F (22.8°C) to 61°F (16.1°C), is quite noticeable. Cooler weather starts to manifest in the city with the arrival of frequent rain showers. As we approach November, weather conditions become harsher, with temperatures dropping further along with a substantial increase in rainfall.Temperature
Gresham experiences a temperature shift at the start of October, with average high-temperatures adjusting from a pleasant 73°F (22.8°C) in September to a comfortable 61°F (16.1°C). An average low-temperature of 44.8°F (7.1°C) marks the month of October.Humidity
In Gresham, the average relative humidity in October is 75%.Rainfall
In Gresham, in October, it is raining for 15 days, with typically 3.7" (94mm) of accumulated precipitation. In Gresham, during the entire year, the rain falls for 165.6 days and collects up to 34.65" (880mm) of precipitation.Snowfall
In Gresham, snow does not fall in April through October.Daylight
In Gresham, the average length of the day in October is 10h and 55min.On the first day of October, sunrise is at 7:09 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:57 pm PDT.
Sunshine
In October, the average sunshine in Gresham is 5.5h.UV index
In Gresham, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 during October translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Gresham, OR
- Average high temperature in October: 61°F
The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in October: 44.8°F
The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).
Average pressure in October
Gresham, OR
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in October
Gresham, OR
- Average wind speed in October: 4.9mph
The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in October
Gresham, OR
- Average humidity in October: 75%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in October
Gresham, OR
- Average rainfall in October: 3.7"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in October
Gresham, OR
- Average rainfall days in October: 15 days
The month with the highest number of rainy days is March (19.3 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in October
Gresham, OR
- Average snowfall in October: 0"
The month with the highest snowfall is March (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Gresham, OR
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (2.8 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
Gresham, OR
- Average daylight in October: 10h and 54min
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 October: 5h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in October
Gresham, OR
- Average sunshine days in October: 15.2 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in October
Gresham, OR
- Average UV index in October: 3
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 October
Gresham, OR
- Average cloud cover in October: 42
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in October
Gresham, OR
- Average visibility in October: 6mi
The months with the highest visibility are August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (5mi).
