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
The average high-temperature is a still moderate 57.9°F (14.4°C) in January, hardly different from the 56.5°F (13.6°C) recorded in December. An average low-temperature of 43.7°F (6.5°C) is observed during January nights.Humidity
The average relative humidity in January is 71%.Rainfall
In Newark, during January, the rain falls for 5.5 days and regularly aggregates up to 0.35" (9mm) of precipitation. Throughout the year, there are 43.5 rainfall days, and 2.36" (60mm) of precipitation is accumulated.Daylight
The average length of the day in January is 9h and 55min.On the first day of January, sunrise is at 7:22 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:30 pm PST.
Sunshine
In January, the average sunshine in Newark is 6.3h.UV index
The average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in January transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Newark in January?
What is the average humidity in January in Newark?
How much does it rain in January?
How many hours of daylight does Newark have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Newark have in January?
How high is the UV index in January?
Average temperature in January
Newark, CA
- Average high temperature in January: 57.9°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in January: 43.7°F
The month with the highest average low temperature is August (56.8°F).
The coldest months (with the lowest average low temperature) are January, February and December (43.7°F).
Average pressure in January
Newark, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
Newark, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest months (with the lowest average wind speed) are October and November (4.6mph).
Average humidity in January
Newark, CA
- Average humidity in January: 71%
The month with the highest relative humidity is March (72%).
The months with the lowest relative humidity are July and September (61%).
Average rainfall in January
Newark, CA
- Average rainfall in January: 0.35"
The wettest months (with the highest rainfall) are February and March (0.47").
The driest months (with the least rainfall) are July and August (0").
Average rainfall days in January
Newark, CA
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is July (0.3 days).
Average daylight in January /
Average sunshine in January
Newark, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
Newark, CA
- Average sunshine days in January: 24.6 days
The month with the most sunshine days is July (30.5 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in January
Newark, CA
- Average UV index in January: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
Newark, CA
- Average cloud cover in January: 31
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in January
Newark, 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).
Newark, California, USA
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