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
In Rancho Bernardo, the average high-temperature in January is practically the same as in December - a still enjoyable 66.4°F (19.1°C). In January, in Rancho Bernardo, the average low-temperature is 48.4°F (9.1°C).Humidity
The average relative humidity in January in Rancho Bernardo is 56%.Rainfall
In Rancho Bernardo, in January, during 5.4 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 54.7 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Daylight
In January, the average length of the day is 10h and 16min.On the first day of January in Rancho Bernardo, sunrise is at 6:51 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 5:19 pm PST.
Sunshine
The months with the least sunshine in Rancho Bernardo are January and December, with an average of 6.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in January interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
FAQ
What is the temperature in January in Rancho Bernardo?
What is the average humidity in January in Rancho Bernardo?
How many days does it rain in January in Rancho Bernardo?
What is the average length of the day in January in Rancho Bernardo?
When are sunrise and sunset in January in Rancho Bernardo?
What are the months with the least sunshine in Rancho Bernardo?
How long on average sun shines in January in Rancho Bernardo?
When is the lowest UV index in Rancho Bernardo?
What is the UV index reading 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 16min
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 1min).
- Average sunshine in January: 6h and 42min
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).
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