La Jolla weather in January (United States of America)

You can expect very pleasant temperatures during the day in January. The average maximum daytime temperature in La Jolla in January lies at 19.4°C (66.92°F). Usually it is the coldest month of the year. The average minimum temperature goes down to around 8.2°C (46.76°F) (often the minimum temperature is noted at night).

Rainfall during January is moderate with an average of 40mm (1.6 inches). There are generally around 5 rainy days. If you enjoy blue skies and sunshine, then this is a great time to go to La Jolla with 240 hours of sun during the entire month.

 

La Jolla, monthly averages in January

Show in Celsius

Min Temperature 46 °F  

Max Temperature 66 °F  

Chance of Rain 18%  

Precipitation 2 in  

Rainy days 5 days  

Humidity 64% *  

Sunshine 240 hrs *  

Percentage Sunshine 75% *  

* Data from: San Diego, the United States of America (18 KM, 11 Miles).

Where to go in the United States of America in January

Find out more about the weather in the United States of America in January and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in January? Bring a rain jacket in case it rains during your stay. Plan on layering your clothes, as some days or part of the day it can be nice and warm, while other times it can get quite chilly. At night it tends to cool off so best to pack some warm nightwear as well.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in January.

Cycling

10/10

Walking

10/10

Camping

5/10

Outdoor sports

10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in La Jolla.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.