Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Duarte notes an average high-temperature of a still comfortable 64°F (17.8°C) in January, displaying minor variation from December. Throughout January, Duarte witnesses a nighttime temperature average of 46.9°F (8.3°C).Humidity
In Duarte, the average relative humidity in January is 50%.Rainfall
In January, in Duarte, the rain falls for 5.8 days. Throughout January, 1.46" (37mm) of precipitation is accumulated. In Duarte, during the entire year, the rain falls for 50.9 days and collects up to 8.46" (215mm) of precipitation.Daylight
The average length of the day in January is 10h and 11min.On the first day of January, sunrise is at 6:57 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:20 pm PST.
Sunshine
The months with the least sunshine in Duarte are January, February and December, with an average of 6.9h of sunshine.UV index
The average daily maximum UV index in January in Duarte is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 4 in January leads to these guidelines:
Take precautions - Protection against sunburn is recommended. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January in Duarte?
What is the average humidity in January in Duarte?
How many days does it rain in January in Duarte?
What is the average length of the day in January in Duarte?
When is the sunrise / sunset in January in Duarte?
What are the months with the least sunshine in Duarte?
How long on average sun shines in January in Duarte?
How high is the UV index in January in Duarte?
Average temperature in January
Duarte, CA
- Average high temperature in January: 64°F
The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in January: 46.9°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).
Average pressure in January
Duarte, CA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Duarte, CA
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in January
Duarte, CA
- Average humidity in January: 50%
The months with the highest relative humidity are March and May (56%).
The month with the lowest relative humidity is November (46%).
Average rainfall in January
Duarte, CA
- Average rainfall in January: 1.46"
The wettest months (with the highest rainfall) are February and December (1.77").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Duarte, CA
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.1 days).
Average daylight in January /
Average sunshine in January
Duarte, CA
- Average daylight in January: 10h and 1min
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
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days in January
Duarte, CA
- Average sunshine days in January: 24.6 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21 days).
Average UV index in January
Duarte, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Duarte, CA
- Average cloud cover in January: 20
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 5).
Average visibility in January
Duarte, 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).
Duarte, California, USA
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