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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
The Sunken Gardens Park overlooking the Atascadero City Hall in California
Weather in January
January in Atascadero, California, is an enjoyable winter month, with an average temperature ranging between max 61°F (16.1°C) and min 44.2°F (6.8°C). The advent of January reveals an average high-temperature of a comfortable 61°F (16.1°C), showing minimal difference from the prior month. Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in Atascadero, California, with an average temperature varying between 61.3°F (16.3°C) and 43.2°F (6.2°C). Transitioning into February, Atascadero records an average high-temperature of a still refreshing 61.3°F (16.3°C), almost identical to January's 61°F (16.1°C). Weather in February »
Weather in March
The first month of the spring, March, is still a refreshing month in Atascadero, California, with an average temperature fluctuating between 44.2°F (6.8°C) and 64.4°F (18°C). Atascadero's average high-temperature in March sits at a still enjoyable 64.4°F (18°C), showing little difference from the previous month. Weather in March »
Weather in April
April in Atascadero, California, is a pleasant spring month, with an average temperature varying between 69.6°F (20.9°C) and 46.2°F (7.9°C). In April, Atascadero notes an average high-temperature of a pleasant 69.6°F (20.9°C), hardly different from the preceding month. Weather in April »
Weather in May
May, the last month of the spring in Atascadero, is a moderately hot month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 73.9°F (23.3°C). Atascadero's May average high-temperature settles at a moderately hot 73.9°F (23.3°C), showing a near match with the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Atascadero, California, with an average temperature ranging between min 55.2°F (12.9°C) and max 80.8°F (27.1°C). June comes with a subtle rise, with the average high-temperature adjusting from a moderately hot 73.9°F (23.3°C) in May to a still warm 80.8°F (27.1°C). Weather in June »
Weather in July
July, like June, in Atascadero, California, is a moderately hot summer month, with an average temperature ranging between max 85.3°F (29.6°C) and min 58.8°F (14.9°C). Atascadero experiences a transition to a still moderately hot 85.3°F (29.6°C) in average high-temperatures with the arrival of July, not greatly differing from June's 80.8°F (27.1°C). Weather in July »
Weather in August
August, the last month of the summer in Atascadero, is another warm month, with an average temperature fluctuating between 59.5°F (15.3°C) and 85.5°F (29.7°C). Temperature readings reach their annual highs in August, averaging 85.5°F (29.7°C) and a minimum average of 59.5°F (15.3°C). August's average heat index is calculated to be a tropical 87.8°F (31°C). Weather in August »
Weather in September
September, the first month of the autumn in Atascadero, is still a warm month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 83.3°F (28.5°C). September's average high-temperature is a still warm 83.3°F (28.5°C), maintaining a close comparison with August's 85.5°F (29.7°C). Weather in September »
Weather in October
October, like September, in Atascadero, California, is another warm autumn month, with an average temperature varying between 75.6°F (24.2°C) and 54.7°F (12.6°C). October brings a slight decrease in temperature, down from 83.3°F (28.5°C) in September to a still warm 75.6°F (24.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an enjoyable month in Atascadero, California, with an average temperature fluctuating between 66.7°F (19.3°C) and 48.2°F (9°C). The average high-temperature shows a slight dip in November, from October's moderately hot 75.6°F (24.2°C) to a refreshing 66.7°F (19.3°C). Weather in November »
Weather in December
December, the first month of the winter in Atascadero, is still a mild month, with an average temperature ranging between min 42.8°F (6°C) and max 58.5°F (14.7°C). December is the month that records the lowest temperatures, with averages ranging from a high of 58.5°F (14.7°C) to a low of 42.8°F (6°C). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Atascadero?
Throughout the year, in Atascadero, there are 54.8 rainfall days, and 8.66" (220mm) of precipitation is accumulated.
What is the most humid month in Atascadero?
The months with the highest humidity in Atascadero are February and March, with an average relative humidity of 68%.
What is the month with the least sunshine in Atascadero?
February and December, with an average of 6.3h of sunshine, are months with the least sunshine.
What is the month with the lowest UV index in Atascadero?
February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What is the wettest month in Atascadero?
March is the month with the most rainfall. Rain falls for 10.2 days and accumulates 1.73" (44mm) of precipitation.
When is Daylight Saving Time (DST) in Atascadero?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Atascadero, 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 driest month in Atascadero?
The months with the least rainfall are June and August Rain falls for 0.8 days and accumulates 0.04" (1mm) of rain.
When are the longest days in Atascadero?
June has the longest days of the year, with an average of 14h and 30min of daylight.
What is the month with the most sunshine in Atascadero?
The months with the most sunshine are June and July, with an average of 12h of sunshine.
What is the month with the highest UV index in Atascadero?
The months with the highest UV index are June through September, with an average maximum UV index of 6.
What is the warmest month in Atascadero?
With average temperatures fluctuating between a high of 85.5°F (29.7°C) and a low of 59.5°F (15.3°C), August stands out as the warmest month in Atascadero, California.
What is the least humid month in Atascadero?
September is the least humid month, with an average relative humidity of 50%.
What month is the coldest in Atascadero?
Atascadero's December weather reaches an average high of 58.5°F (14.7°C) and an average low of 42.8°F (6°C), making it the coldest month.
What is the month with the shortest days in Atascadero?
December has the shortest days of the year in Atascadero, California, with an average of 9h and 48min of daylight.
Average temperature
Atascadero, CA
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (58.5°F).
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).
Average pressure
Atascadero, CA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed
Atascadero, CA
- Average wind speed in January:
5.6mph - Average wind speed in February:
5.8mph - Average wind speed in March:
5.9mph - Average wind speed in April:
5.9mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.5mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.7mph
The windiest months (with the highest average wind speed) are March and April (5.9mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity
Atascadero, CA
The months with the highest relative humidity are February and March (68%).
The month with the lowest relative humidity is September (50%).
Average rainfall
Atascadero, CA
- Average rainfall in January:
1.69" - Average rainfall in February:
1.57" - Average rainfall in March:
1.73" - Average rainfall in April:
0.59" - Average rainfall in May:
0.24" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
0.39" - Average rainfall in November:
0.75" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is March (1.73").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days
Atascadero, CA
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
6.6 days - Average rainfall days in May:
3.2 days - Average rainfall days in June:
0.8 days
- Average rainfall days in July:
2.2 days - Average rainfall days in August:
0.9 days - Average rainfall days in September:
1.8 days - Average rainfall days in October:
3 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
7.6 days
The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is June (0.8 days).
Average daylight / Average sunshine
Atascadero, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - 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 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 3min - Average sunshine in February:
6h and 2min - Average sunshine in March:
8h and 2min - Average sunshine in April:
10h and 4min - Average sunshine in May:
11h and 2min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 2min - Average sunshine in October:
7h and 3min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 2min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 18min).
Average sunshine days
Atascadero, CA
- Average sunshine days in January:
23.6 days - Average sunshine days in February:
19.7 days - Average sunshine days in March:
20.2 days - Average sunshine days in April:
23 days - Average sunshine days in May:
26.8 days - Average sunshine days in June:
28.9 days
- Average sunshine days in July:
28.2 days - Average sunshine days in August:
29.8 days - Average sunshine days in September:
28 days - Average sunshine days in October:
27 days - Average sunshine days in November:
24.5 days - Average sunshine days in December:
22 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is February (19.7 days).
Average UV index
Atascadero, 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 3).
Average cloud cover
Atascadero, CA
The month with the most cloud cover is March (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility
Atascadero, 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).
Atascadero, California, USA
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