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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Downey, California, is another refreshing winter month, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 51.4°F (10.8°C). Downey records an average high-temperature of a still enjoyable 66.6°F (19.2°C) as January arrives, nearly mirroring the previous month's climate. Weather in January »
Weather in February
February, the last month of the winter in Downey, is also an enjoyable month, with an average temperature fluctuating between 65.8°F (18.8°C) and 50.5°F (10.3°C). The arrival of February records an average high-temperature of a still comfortable 65.8°F (18.8°C), closely related to the 66.6°F (19.2°C) observed in January. Weather in February »
Weather in March
March, the first month of the spring in Downey, is a pleasant month, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 52.3°F (11.3°C). The average high-temperature is an agreeable 68.5°F (20.3°C) in March, hardly different from the 65.8°F (18.8°C) recorded in February. Weather in March »
Weather in April
April, like March, is an agreeable spring month in Downey, California, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 71.2°F (21.8°C). Downey registers an average high-temperature of a still pleasant 71.2°F (21.8°C) with the arrival of April, showing minor deviation from the preceding month. Weather in April »
Weather in May
May, the last month of the spring in Downey, is another pleasant month, with an average temperature varying between 56.8°F (13.8°C) and 73.2°F (22.9°C). Downey's May average high-temperature settles at a still pleasant 73.2°F (22.9°C), showing a near match with the preceding month. Weather in May »
Weather in June
June, the first month of the summer in Downey, is a warm month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 77°F (25°C). The advent of June signifies a minor shift to an average high-temperature of a moderately hot 77°F (25°C), aligning closely with May. Weather in June »
Weather in July
July, like June, in Downey, California, is another warm summer month, with an average temperature varying between 82°F (27.8°C) and 64°F (17.8°C). As June transitions into July, Downey records an average high-temperature of a still warm 82°F (27.8°C), showing a gentle shift from the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Downey, is another warm month, with an average temperature varying between 65.8°F (18.8°C) and 84°F (28.9°C). In Downey, August is the month with the highest recorded average temperatures, measuring a high of 84°F (28.9°C) and a low of 65.8°F (18.8°C). The heat index in August is computed to be a tropical 87.8°F (31°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Downey, California, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 82.6°F (28.1°C). The transition into September shows a subtle variation to a still warm 82.6°F (28.1°C) from August's 84°F (28.9°C) in the average high-temperature. Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Downey, California, with an average temperature varying between 77.9°F (25.5°C) and 61.7°F (16.5°C). With October's arrival, Downey notes an average high-temperature of a still warm 77.9°F (25.5°C), closely following the trend of the preceding month. Weather in October »
Weather in November
The last month of the autumn, November, is also an agreeable month in Downey, California, with an average temperature varying between 71.4°F (21.9°C) and 56.1°F (13.4°C). Downey's November weather features a light decline in high-temperatures, reducing from a warm 77.9°F (25.5°C) in October to an agreeable 71.4°F (21.9°C). Weather in November »
Weather in December
December, the first month of the winter in Downey, is still a comfortable month, with an average temperature fluctuating between 50.9°F (10.5°C) and 64.9°F (18.3°C). Downey's coldest weather arrives in December, when temperatures average a high of 64.9°F (18.3°C) and a low of 50.9°F (10.5°C). Weather in December »
[Resources]Frequently asked questions
How much does it rain in Downey?
Throughout the year, there are 46 rainfall days, and 6.77" (172mm) of precipitation is accumulated.
What are the months with the least sunshine in Downey?
The months with the least sunshine in Downey, California, are January, February and December, with an average of 6.8h of sunshine.
What are the months with the lowest UV index in Downey?
The months with the lowest UV index are February, November and December, with an average maximum UV index of 4.
When is Daylight Saving Time (DST) in Downey?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
What is the most humid month in Downey?
With an average relative humidity of 65%, June is the most humid month.
What is the driest month in Downey?
June is the month with the least rainfall in Downey, California. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.
When are the longest days in Downey?
June has the longest days of the year in Downey, with an average of 14h and 24min of daylight.
When is the highest UV index in Downey?
The months with the highest UV index in Downey are June through September, with an average maximum UV index of 6.
What is the month with the most sunshine in Downey?
The months with the most sunshine in Downey, California, are July and August, with an average of 12h of sunshine.
What is the warmest month in Downey?
August, characterized by an average high temperature of 84°F (28.9°C) and a low temperature of 65.8°F (18.8°C), is generally the warmest month in Downey.
What is the least humid month in Downey?
The least humid month in Downey, California, is November, with an average relative humidity of 51%.
What is the coldest month in Downey?
During the coldest month in Downey, December, temperatures average a high of 64.9°F (18.3°C) and a low of 50.9°F (10.5°C).
What is the wettest month in Downey?
December is the month with the most rainfall in Downey, California. Rain falls for 5.8 days and accumulates 1.42" (36mm) of precipitation.
What is the month with the shortest days in Downey?
With an average of 9h and 54min of daylight, December has the shortest days of the year in Downey.
Average temperature
Downey, CA
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (64.9°F).
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure
Downey, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed
Downey, CA
- Average wind speed in January:
5.3mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.4mph - Average wind speed in April:
6.1mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.7mph - Average wind speed in November:
5mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity
Downey, CA
The month with the highest relative humidity is June (65%).
The month with the lowest relative humidity is November (51%).
Average rainfall
Downey, CA
- Average rainfall in January:
1.22" - Average rainfall in February:
1.3" - Average rainfall in March:
0.94" - Average rainfall in April:
0.43" - Average rainfall in May:
0.16" - Average rainfall in June:
0.04"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days
Downey, CA
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
6.8 days - Average rainfall days in April:
4.7 days - Average rainfall days in May:
3 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
3.2 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.3 days).
Average daylight / Average sunshine
Downey, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
8h and 3min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days
Downey, CA
- Average sunshine days in January:
25.5 days - Average sunshine days in February:
22.2 days - Average sunshine days in March:
24.1 days - Average sunshine days in April:
24.2 days - Average sunshine days in May:
25.5 days - Average sunshine days in June:
25.2 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
26.3 days - Average sunshine days in September:
24.2 days - Average sunshine days in October:
26 days - Average sunshine days in November:
24.7 days - Average sunshine days in December:
23.8 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (22.2 days).
Average UV index
Downey, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover
Downey, CA
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility
Downey, CA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Downey, California, USA
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