United StatesAverage weather for Pasadena in January
It's pleasantly warm in January in Pasadena with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 23°C. At night, you can expect temperatures between 7°C and 12°C.
Start of January
The month of January starts in Pasadena with mild temps, averaging around 20°C during the day and nights around 10°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid January
By mid-January, daytime temps rise to around 21°C, with nights around 11°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of January
By the end of January, the average daytime temperature in Pasadena is around 22°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
In January, there is an average of 108 mm of precipitation, spread over 5 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Pasadena in January |
New York | ||
|---|---|---|---|
 Average temperature |
20°C | 5°C | |
 Max. temperature |
23°C | 11°C | |
| Min. temperature |
18°C | -5°C | |
 Total precipitation |
108 mm | 97 mm | |
| Rainy days |
5 days | 12 days | |
December
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is January a good time to visit Pasadena?
Looking for sun? January isn’t a good month to be in Pasadena. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 32°C in 2021, Pasadena reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 11°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 16°C.
Check out the climate of Pasadena for all months and discover the best travel time
Daily Temperature in January in Pasadena
This chart shows the average daily high and low temperatures in January for Pasadena, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in January in Pasadena
The chart below shows the average daily precipitation in January for Pasadena, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 5 days of precipitation in Pasadena.
Daily UV index in January in Pasadena
This chart shows the average daily UV index in January in Pasadena, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Pasadena over the years
This chart shows the average temperature in January in Pasadena, measured in degrees Celsius, over the past few years.
Total precipitation in January in Pasadena over the years
This chart shows the average precipitation in January in Pasadena, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Pasadena
Click on any day in January to get detailed info about the usual weather on that day in Pasadena. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Pasadena
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Average weather in Pasadena by month
Click on a month below to see detailed weather info for Pasadena. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
