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United StatesThe climate of Acton
The current climate in Acton features temperatures ranging from a high of 36°C to a low of 16°C throughout the year. The average yearly temperature is around 26°C. At night, temperatures in the colder months average around 3°C and in the warmer months around 21°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Acton, California.
Temperature records
The highest temperature recorded in Acton in recent years was 44°C in September 2020. The lowest daytime temperature recorded was 5°C in November 2019.
Precipitation and snowfall
On average, Acton gets 199 mm of precipitation each year. Of this, about 7,0 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Acton?
The best time to visit Acton for sunny weather is February through June and September through November. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Acton. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Acton
The climate table of Acton shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 17 | 18 | 20 | 24 | 26 | 33 | 36 | 36 | 33 | 28 | 21 | 16 |
| Temp. min (°C) | 4 | 4 | 7 | 10 | 13 | 18 | 22 | 21 | 17 | 12 | 6 | 3 |
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| Precipitation (mm) | 34 | 44 | 29 | 8,0 | 4,3 | 5,9 | 4,0 | 9,6 | 3,7 | 3,8 | 9,8 | 42 |
| Snow (cm) | 0,1 | 4,3 | 1,6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,8 | 0,2 |
| UV Index | 4 | 6 | 6 | 8 | 8 | 10 | 8 | 8 | 8 | 6 | 5 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Acton, California. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Acton
Yearly Temperature in Acton
Precipitation charts
These charts show the average amount of precipitation in Acton, California. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Acton
Total Yearly Precipitation in Acton
Average Snowfall per Month in Acton
Total Yearly Snowfall in Acton
UV index chart
This chart shows the average UV index per month in Acton, California. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Acton
Weather experiences in Acton
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Average weather in Acton by month
Click on a month below to see detailed weather info for Acton. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.