Santiago, WA Weather - Forecast & Monthly Averages

TEMPERATURE	47
HUMIDITY	98
PRESSURE
WIND COND.	46 9

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Weather Quick Facts

The highest monthly average temperature in Santiago for August is 60.5 degrees
The lowest monthly average temperature in Santiago for December is 41.5 degrees
The most monthly precipitation in Santiago occurs in November with 12.6 inches
The air quality index in Santiago is 52% better than the national average
The pollution index in Santiago is 5% worse than the national average

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Santiago Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	37°F	49°F	42°F	10.5"
February	38°F	51°F	44°F	6.3"
March	40°F	53°F	46°F	9.8"
April	42°F	57°F	49°F	5.4"
May	47°F	62°F	53°F	3.4"
June	51°F	65°F	57°F	1.8"
July	53°F	69°F	60°F	0.9"
August	54°F	70°F	60°F	1.0"
September	51°F	69°F	59°F	2.7"
October	46°F	61°F	53°F	7.6"
November	41°F	53°F	46°F	12.6"
December	36°F	47°F	41°F	10.1"

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Santiago air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Santiago	Washington	National
Air quality index	20	36	42
Pollution index	2,873,390	4,541,850	2,726,193

Santiago air quality

Measurement	Total
Days measured	352
Days with good air quality	348
Days with moderate air quality	4
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.050%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.010%

Average monthly Santiago temperature with heat index

Santiago monthly precipitation with daily maximum

Santiago monthly snow depth with daily maximum

Santiago monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Copalis Beach, WA	515	20	60.0%
Pacific Beach, WA	214	20	60.0%
Humptulips, WA	227	20	60.0%
Qui-nai-elt Village, WA	56	20	60.0%
Moclips, WA	49	20	60.0%
Santiago, WA	71	20	60.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Chitina, AK	71	31	38.0%
Twin Hills, AK	71	31	38.0%
Wikieup, AZ	71	13	74.0%
Kim, CO	71	20	60.0%
Westwood, IA	71	29	42.0%
Santiago, WA	71	20	60.0%

Source: The Santiago, WA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.