Emeryville
California, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Emeryville, CA

Colorful sky at dusk, with stunning water reflection of numerous boats, docked on the San Francisco Bay in Emeryville, California
Colorful sky at dusk, with stunning water reflection of numerous boats, docked on the San Francisco Bay in Emeryville, California
January, like December, is a moderate winter month in Emeryville, California, with average temperature fluctuating between 44.2°F (6.8°C) and 56.3°F (13.5°C).

Temperature

In January, the average high-temperature is essentially the same as in December - a still moderate 56.3°F (13.5°C). In January, in Emeryville, the average low-temperature is 44.2°F (6.8°C).

Humidity

In January, the average relative humidity in Emeryville is 73%.

Rainfall

In Emeryville, during January, the rain falls for 7.6 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Emeryville, during the entire year, the rain falls for 55.6 days and collects up to 5.24" (133mm) of precipitation.

Daylight

In January, the average length of the day in Emeryville is 9.9h.

Sunshine

In Emeryville, the average sunshine in January is 6.1h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 3 in January transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in January in Emeryville?

The average high-temperature, in January, is 56.3°F (13.5°C), while the average low-temperature is 44.2°F (6.8°C).

What is the average humidity in January in Emeryville?

The average relative humidity in January is 73%.

How many days does it rain in January in Emeryville?

In Emeryville, California, in January, during 7.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

What is the average length of the day in January in Emeryville?

In Emeryville, the average length of the day in January is 9.9h.

How long on average sun shines in January in Emeryville?

In January, the average sunshine in Emeryville, California, is 6.1h.

When is the lowest UV index in Emeryville?

Months with the lowest UV index in Emeryville, California, are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in January in Emeryville?

In January, the average daily maximum UV index in Emeryville, California, is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in January - Emeryville, CA
  • Average high temperature in January: 56.3°F

The warmest month (with the highest average high temperature) is September (76.6°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in January: 44.2°F

The month with the highest average low temperature is September (56.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average humidity in January - Emeryville, CA
  • Average humidity in January: 73%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (64%).

Average rainfall in January - Emeryville, CA
  • Average rainfall in January: 0.94"

The wettest month (with the highest rainfall) is February (1.1").
Driest months (with the lowest rainfall) are June, July, August and September (0.08").

Average rainfall days in January - Emeryville, CA
  • Average rainfall days in January: 7.6 days

The month with the highest number of rainy days is March (8.7 days).
The month with the lowest number of rainy days is August (1.5 days).

Average daylight in January / Average sunshine in January - Emeryville, CA
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.8h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in January: 6.1h

The month with most sunshine is July (Average sunshine: 11.9h).
The month with least sunshine is December (Average sunshine: 5.8h).

Average UV index in January - Emeryville, CA
  • Average UV index in January: 3

Months with the highest UV index are April, May, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).