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 snowfall 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
With the onset of January, a modest change to a still mild 59.9°F (15.5°C) from December's 57.7°F (14.3°C) is noted in high-temperature. During the month of January, Highland experiences a steady low-temperature average of 42.6°F (5.9°C).Humidity
The average relative humidity in January is 48%.Rainfall
In Highland, California, in January, it is raining for 5.8 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, in Highland, California, there are 51.8 rainfall days, and 6.69" (170mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Highland, California.Daylight
In January, the average length of the day is 10h and 11min.On the first day of January in Highland, California, sunrise is at 6:54 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 5:17 pm PST.
Sunshine
The average sunshine in January is 7.1h.UV index
In January, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 4 translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Highland in January?
What is the average humidity in January in Highland?
How much does it rain in Highland in January?
When it does not snow in Highland?
Does it snow in Highland in January?
How many hours of daylight does Highland have in January?
When are sunrise and sunset in January in Highland?
How many hours of sunshine does Highland have in January?
What is the UV index reading in January in Highland?
Average temperature in January
Highland, CA
- Average high temperature in January: 59.9°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).
- Average low temperature in January: 42.6°F
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).
Average pressure in January
Highland, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Highland, CA
- Average wind speed in January: 5.6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).
Average humidity in January
Highland, CA
- Average humidity in January: 48%
The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).
Average rainfall in January
Highland, CA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Highland, CA
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in January
Highland, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Highland, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 7h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in January
Highland, CA
- Average sunshine days in January: 23.8 days
The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).
Average UV index in January
Highland, CA
- Average UV index in January: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in January
Highland, CA
- Average cloud cover in January: 19
The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Highland, 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).
Highland, California, USA
Weather forecast for your location
2. Allow the app to use your location