October weather forecastTacoma, WA

October
Weather in October
October in Tacoma ushers in a noticeable dip in temperatures as fall takes hold. The higher end of Tacoma's temperatures scales back to 59.2°F (15.1°C). The 3.46" (88mm) of rainfall is a sign of the impending winter and sculpts a picturesque autumn scenery. As daylight hours shorten, the unmistakable charm of fall prevails, with crisp air, and streets littered with \multicolored leaves. The city transitions into a more peaceful season, setting the tone for serene enjoyment.Temperature
October shows a mild decline in the average high-temperature, falling from September's agreeable 70.9°F (21.6°C) to a mild 59.2°F (15.1°C). Tacoma's nights in October experience an average temperature drop to a frosty 43.9°F (6.6°C).Humidity
In October, the average relative humidity is 81%.Rainfall
In Tacoma, in October, it is raining for 15.3 days, with typically 3.46" (88mm) of accumulated precipitation. In Tacoma, during the entire year, the rain falls for 172.9 days and collects up to 30.08" (764mm) of precipitation.Snowfall
In Tacoma, snow does not fall in April through October.Ocean temperature
In Tacoma, the average seawater temperature in October is 51.3°F (10.7°C).Note: Swimming in 51.3°F (10.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
In October, the average length of the day is 10h and 51min.On the first day of the month, sunrise is at 7:09 am and sunset at 6:48 pm. On the last day of October, sunrise is at 7:52 am and sunset at 5:53 pm PDT.
Sunshine
The average sunshine in October is 5.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In October, the UV index of 3 transforms into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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
Tacoma, WA
- Average high temperature in October: 59.2°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in October: 43.9°F
The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).
Average pressure in October
Tacoma, 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 (30.01"Hg).
Average wind speed in October
Tacoma, WA
- Average wind speed in October: 4.4mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in October
Tacoma, WA
- Average humidity in October: 81%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).
Average rainfall in October
Tacoma, WA
- Average rainfall in October: 3.46"
The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in October
Tacoma, WA
- Average rainfall days in October: 15.3 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).
Average snowfall in October
Tacoma, WA
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Tacoma, WA
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in October
Tacoma, WA
- Average sea temperature in October: 51.3°F
The best month for swimming (with the highest average sea temperature) is August (53.7°F).
The coldest month (with the lowest average sea temperature) is February (45.8°F).
Average daylight in October /
Average sunshine in October
Tacoma, WA
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in October: 5h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in October
Tacoma, WA
- Average sunshine days in October: 14.3 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).
Average UV index in October
Tacoma, WA
- 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
Tacoma, WA
- Average cloud cover in October: 45
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Tacoma, WA
- Average visibility in October: 5mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).





