January weather forecastAtascadero, CA
January
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).Temperature
January records an average high-temperature of a still refreshing 61°F (16.1°C), indicating a minor variation from the preceding month. Atascadero experiences a mean low-temperature of 44.2°F (6.8°C) during January.Humidity
In January, the average relative humidity is 64%.Rainfall
In Atascadero, California, in January, it is raining for 6.7 days, with typically 1.69" (43mm) of accumulated precipitation. In Atascadero, during the entire year, the rain falls for 54.8 days and collects up to 8.66" (220mm) of precipitation.Daylight
In January, the average length of the day is 10h and 5min.On the first day of the month, sunrise is at 7:11 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:29 pm PST.
Sunshine
The average sunshine in January is 6.5h.UV index
In Atascadero, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 4 translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Atascadero, CA
- Average high temperature in January: 61°F
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).
- Average low temperature in January: 44.2°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 in January
Atascadero, CA
- Average pressure in January: 30.12"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 in January
Atascadero, CA
- Average wind speed in January: 5.6mph
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 in January
Atascadero, CA
- Average humidity in January: 64%
The months with the highest relative humidity are February and March (68%).
The month with the lowest relative humidity is September (50%).
Average rainfall in January
Atascadero, CA
- Average rainfall in January: 1.69"
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 in January
Atascadero, CA
- Average rainfall days in January: 6.7 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 in January /
Average sunshine in January
Atascadero, CA
- Average daylight in January: 10h and 6min
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 30min
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 in January
Atascadero, CA
- Average sunshine days in January: 23.6 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 in January
Atascadero, CA
- Average UV index in January: 4
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 in January
Atascadero, CA
- Average cloud cover in January: 27
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 in January
Atascadero, CA
- Average visibility in January: 6mi
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).
