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
During January, East Palo Alto observes a subtle ascent to a still refreshing 57.6°F (14.2°C) from December's 56.3°F (13.5°C) in the average high-temperature. East Palo Alto throughout January, experiences an average nighttime temperature of 45.1°F (7.3°C).Humidity
The average relative humidity in January is 72%.Rainfall
In East Palo Alto, in January, during 9.3 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In East Palo Alto, during the entire year, the rain falls for 63.3 days and collects up to 9.53" (242mm) of precipitation.Daylight
In January, the average length of the day is 9h and 56min.On the first day of the month, sunrise is at 7:23 am and sunset at 5:01 pm. On the last day of January, in East Palo Alto, sunrise is at 7:12 am and sunset at 5:31 pm PST.
Sunshine
In East Palo Alto, the average sunshine in January is 6.3h.UV index
In January, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In January, the average maximum UV index of 4 translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the temperatures in East Palo Alto in January?
What is the average humidity in January in East Palo Alto?
How much does it rain in East Palo Alto in January?
How many hours of daylight does East Palo Alto have in January?
What time are sunrise and sunset in January in East Palo Alto?
How long on average sun shines in January in East Palo Alto?
How high is the UV index in January in East Palo Alto?
Average temperature in January
East Palo Alto, CA
- Average high temperature in January: 57.6°F
The warmest months (with the highest average high temperature) are July and August (77.5°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in January: 45.1°F
The month with the highest average low temperature is August (57°F).
The coldest months (with the lowest average low temperature) are January and February (45.1°F).
Average pressure in January
East Palo Alto, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in January
East Palo Alto, CA
- Average wind speed in January: 5.2mph
The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.9mph).
Average humidity in January
East Palo Alto, CA
- Average humidity in January: 72%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (65%).
Average rainfall in January
East Palo Alto, CA
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is February (2.01").
The driest month (with the least rainfall) is July (0").
Average rainfall days in January
East Palo Alto, CA
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.6 days).
Average daylight in January /
Average sunshine in January
East Palo Alto, CA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
East Palo Alto, CA
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is July (30.2 days).
The month with the least sunshine days is March (18 days).
Average UV index in January
East Palo Alto, CA
- Average UV index in January: 4
The months with the highest UV index are April, May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
East Palo Alto, CA
- Average cloud cover in January: 30
The months with the most cloud cover are March and December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in January
East Palo Alto, 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).
East Palo Alto, California, USA
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