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
Upon the beginning of January, Rancho Bernardo's high-temperatures register at a still refreshing 66.4°F (19.1°C), closely mirroring the preceding month. Throughout the month of January, Rancho Bernardo observes an average nighttime temperature of 48.4°F (9.1°C).Humidity
In January, the average relative humidity is 56%.Rainfall
In January, the rain falls for 5.4 days. Throughout January, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 54.7 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Daylight
In Rancho Bernardo, the average length of the day in January is 10h and 16min.On the first day of the month, sunrise is at 6:51 am and sunset at 4:52 pm. On the last day of January, sunrise is at 6:44 am and sunset at 5:19 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 6.7h of sunshine.UV index
The months with the lowest UV index in Rancho Bernardo are January, February, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the UV index of 4 transforms into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What are January temperatures in Rancho Bernardo?
What is the average humidity in January in Rancho Bernardo?
How much does it rain in Rancho Bernardo in January?
How many hours of daylight does Rancho Bernardo have in January?
What time are sunrise and sunset in January in Rancho Bernardo?
What are the months with the least sunshine in Rancho Bernardo?
How many hours of sunshine does Rancho Bernardo have in January?
When is the lowest UV index in Rancho Bernardo?
What is the UV index intensity in January in Rancho Bernardo?
Average temperature in January
Rancho Bernardo, CA
- Average high temperature in January: 66.4°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in January: 48.4°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (47.1°F).
Average pressure in January
Rancho Bernardo, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).
Average wind speed in January
Rancho Bernardo, CA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.3mph).
Average humidity in January
Rancho Bernardo, CA
- Average humidity in January: 56%
The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (54%).
Average rainfall in January
Rancho Bernardo, CA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is February (1.61").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Rancho Bernardo, CA
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.6 days).
Average daylight in January /
Average sunshine in January
Rancho Bernardo, CA
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in January
Rancho Bernardo, CA
- Average sunshine days in January: 24.7 days
The month with the most sunshine days is June (27 days).
The month with the least sunshine days is February (21.2 days).
Average UV index in January
Rancho Bernardo, 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 January, February, November and December (UV index 4).
Average cloud cover in January
Rancho Bernardo, CA
- Average cloud cover in January: 22
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in January
Rancho Bernardo, 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).
Rancho Bernardo, California, USA
Weather forecast for your location
2. Allow the app to use your location
