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 arrival of January coincides with an average high-temperature of a still comfortable 65.3°F (18.5°C), indicating a minimal shift from December's 63.9°F (17.7°C). In January, the temperature drops to an average of 49.8°F (9.9°C) at night.Humidity
The average relative humidity in January in Rancho Peñasquitos is 57%.Rainfall
In Rancho Peñasquitos, in January, during 4 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Rancho Peñasquitos, during the entire year, the rain falls for 41.9 days and collects up to 3.35" (85mm) of precipitation.Daylight
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 in Rancho Peñasquitos, California, are January and December, with an average of 6.8h of sunshine.UV index
The months with the lowest UV index in Rancho Peñasquitos, California, are January through March, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In January, the UV index of 4 transforms into the following advice:
Take precautions - Protection against sunburn is recommended. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the usual temperature for Rancho Peñasquitos in January?
What is the average humidity in January in Rancho Peñasquitos?
How many days does it rain in January in Rancho Peñasquitos?
What is the average length of the day in January in Rancho Peñasquitos?
What time are sunrise and sunset in January in Rancho Peñasquitos?
What are the months with the least sunshine in Rancho Peñasquitos?
How many hours of sunshine does Rancho Peñasquitos have in January?
When is the lowest UV index in Rancho Peñasquitos?
How high is the UV index in January in Rancho Peñasquitos?
Average temperature in January
Rancho Peñasquitos, CA
- Average high temperature in January: 65.3°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in January: 49.8°F
The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).
Average pressure in January
Rancho Peñasquitos, CA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Rancho Peñasquitos, CA
- Average wind speed in January: 5.1mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).
Average humidity in January
Rancho Peñasquitos, CA
- Average humidity in January: 57%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in January
Rancho Peñasquitos, CA
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is December (0.63").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Rancho Peñasquitos, CA
- Average rainfall days in January: 4 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.3 days).
Average daylight in January /
Average sunshine in January
Rancho Peñasquitos, 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 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days in January
Rancho Peñasquitos, CA
- Average sunshine days in January: 25.7 days
The month with the most sunshine days is October (26.1 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in January
Rancho Peñasquitos, 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, March, November and December (UV index 4).
Average cloud cover in January
Rancho Peñasquitos, CA
- Average cloud cover in January: 21
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in January
Rancho Peñasquitos, 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 Peñasquitos, California, USA
Weather forecast for your location
2. Allow the app to use your location
