Weather forecast March 25, 2023 - P4

Climate and Average Weather Year Round in Downey California, United States

In Downey, the summers are short, warm, arid, and clear and the winters are long, cool, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 47°F to 84°F and is rarely below 41°F or above 92°F.

Based on the tourism score, the best time of year to visit Downey for warm-weather activities is from late May to mid October.

Average Temperature in Downey 

The warm season lasts for 2.9 months, from July 3 to September 30, with an average daily high temperature above 81°F. The hottest month of the year in Downey is August, with an average high of 83°F and low of 66°F.

The cool season lasts for 3.9 months, from November 27 to March 25, with an average daily high temperature below 70°F. The coldest month of the year in Downey is December, with an average low of 48°F and high of 67°F.

Rainfall 

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Downey experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 6.2 months, from October 17 to April 25, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Downey is February, with an average rainfall of 3.3 inches.

The rainless period of the year lasts for 5.8 months, from April 25 to October 17. The month with the least rain in Downey is July, with an average rainfall of 0.0 inches.

Weather forecast March 25, 2023

Weather 90042

High temperature : 60°F

Low temperature : 52°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the WNW. Visibility 7 mi, humidity 44% . Chance of Rain : 0 % .

Today's Air Quality - Weather 90042 : Moderate

- Air Quality Index : CO : 243.66 ; NH3 : 1.3 ; NO : 0.33 ; NO2 : 10.97 ; O3 : 89.41 ; PM10 : 6.96 ; PM2.5 : 3.05 ; SO2 : 1.1

Weather 90043

High temperature : 61°F

Low temperature : 53°F

- Overcast clouds, Wind speed 11.5 mph, wind out of the W. Visibility 7 mi, humidity 59% . Chance of Rain : 20 % .

Today's Air Quality - Weather 90043 : Moderate

- Air Quality Index : CO : 273.71 ; NH3 : 1.87 ; NO : 0.43 ; NO2 : 17.65 ; O3 : 98.71 ; PM10 : 6.52 ; PM2.5 : 3.57 ; SO2 : 3.99

Weather 90044

High temperature : 61°F

Low temperature : 54°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the WSW. Visibility 7 mi, humidity 66% . Chance of Rain : 20 % .

Today's Air Quality - Weather 90044 : Moderate

- Air Quality Index : CO : 273.71 ; NH3 : 1.87 ; NO : 0.43 ; NO2 : 17.65 ; O3 : 98.71 ; PM10 : 6.52 ; PM2.5 : 3.57 ; SO2 : 3.99

Weather 90045

High temperature : 61°F

Low temperature : 54°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the WSW. Visibility 7 mi, humidity 63% . Chance of Rain : 20 % .

Today's Air Quality - Weather 90045 : Moderate

- Air Quality Index : CO : 273.71 ; NH3 : 1.87 ; NO : 0.43 ; NO2 : 17.65 ; O3 : 98.71 ; PM10 : 6.52 ; PM2.5 : 3.57 ; SO2 : 3.99

Weather 43050

High temperature : 43°F

Low temperature : 38°F

- Overcast clouds, Wind speed 9.22 mph, wind out of the NNW. Visibility 7 mi, humidity 49% . Chance of Rain : 100 % .

Today's Air Quality - Weather 43050 : Moderate

- Air Quality Index : CO : 250.34 ; NH3 : 0.82 ; NO : 0 ; NO2 : 3.34 ; O3 : 97.28 ; PM10 : 7.77 ; PM2.5 : 7.36 ; SO2 : 1.21

Weather 90047

High temperature : 61°F

Low temperature : 53°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the WSW. Visibility 7 mi, humidity 66% . Chance of Rain : 20 % .

Today's Air Quality - Weather 90047 : Moderate

- Air Quality Index : CO : 273.71 ; NH3 : 1.87 ; NO : 0.43 ; NO2 : 17.65 ; O3 : 98.71 ; PM10 : 6.52 ; PM2.5 : 3.57 ; SO2 : 3.99

Weather 90048

High temperature : 61°F

Low temperature : 54°F

- Overcast clouds, Wind speed 20.71 mph, wind out of the NNW. Visibility 7 mi, humidity 48% . Chance of Rain : 0 % .

Today's Air Quality - Weather 90048 : Poor

- Air Quality Index : CO : 236.99 ; NH3 : 1.6 ; NO : 0.18 ; NO2 : 7.03 ; O3 : 103 ; PM10 : 5.38 ; PM2.5 : 2.94 ; SO2 : 1.36

Weather 90049

High temperature : 60°F

Low temperature : 52°F

- Overcast clouds, Wind speed 20.71 mph, wind out of the NNW. Visibility 7 mi, humidity 49% . Chance of Rain : 0 % .

Today's Air Quality - Weather 90049 : Moderate

- Air Quality Index : CO : 233.65 ; NH3 : 1.38 ; NO : 0.18 ; NO2 : 6.43 ; O3 : 97.28 ; PM10 : 4.64 ; PM2.5 : 2.74 ; SO2 : 1.06

Weather 90027

High temperature : 60°F

Low temperature : 53°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the WNW. Visibility 7 mi, humidity 46% . Chance of Rain : 0 % .

Today's Air Quality - Weather 90027 : Poor

- Air Quality Index : CO : 236.99 ; NH3 : 1.6 ; NO : 0.18 ; NO2 : 7.03 ; O3 : 103 ; PM10 : 5.38 ; PM2.5 : 2.94 ; SO2 : 1.36

Weather 90051

High temperature : 61°F

Low temperature : 54°F

- Overcast clouds, Wind speed 13.8 mph, wind out of the WSW. Visibility 7 mi, humidity 68% . Chance of Rain : 20 % .

Today's Air Quality - Weather 90051 : Moderate

- Air Quality Index : CO : 273.71 ; NH3 : 1.87 ; NO : 0.43 ; NO2 : 17.65 ; O3 : 98.71 ; PM10 : 6.52 ; PM2.5 : 3.57 ; SO2 : 3.99