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 transition from December to January sees average high-temperatures adjusting to a still moderate 59°F (15°C), from a not significantly different 57.9°F (14.4°C). During January, Watsonville observes a consistent average nighttime temperature of 44.2°F (6.8°C).Humidity
In January, the average relative humidity is 72%.Rainfall
In Watsonville, during January, the rain falls for 8.9 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Watsonville, there are 68.3 rainfall days, and 11.38" (289mm) of precipitation is accumulated.Daylight
In Watsonville, the average length of the day in January is 9h and 58min.On the first day of January, sunrise is at 7:19 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:30 pm PST.
Sunshine
The average sunshine in January is 6.4h.UV index
The average daily maximum UV index in January is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during January translates into the following guidance:
Exercise prevention - Protecting skin and eyes from harm is required. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Watsonville in January?
What is the average humidity in January in Watsonville?
How many days does it rain in January in Watsonville?
How many hours of daylight does Watsonville have in January?
When are sunrise and sunset in January in Watsonville?
How many hours of sunshine does Watsonville have in January?
How high is the UV index in January in Watsonville?
Average temperature in January
Watsonville, CA
- Average high temperature in January: 59°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (57.9°F).
- Average low temperature in January: 44.2°F
The month with the highest average low temperature is September (54.9°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in January
Watsonville, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in January
Watsonville, CA
- Average wind speed in January: 4.7mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest months (with the lowest average wind speed) are January, August, September, October and November (4.7mph).
Average humidity in January
Watsonville, CA
- Average humidity in January: 72%
The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (65%).
Average rainfall in January
Watsonville, CA
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is December (2.13").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Watsonville, CA
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).
Average daylight in January /
Average sunshine in January
Watsonville, CA
- Average daylight in January: 10h and 0min
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 42min).
- Average sunshine in January: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Watsonville, CA
- Average sunshine days in January: 21 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (17.6 days).
Average UV index in January
Watsonville, CA
- Average UV index in January: 4
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
Watsonville, CA
- Average cloud cover in January: 30
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Watsonville, 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).
Watsonville, California, USA
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