January weather forecast and climate
Merced, CA

Weather in January

January, the same as December, in Merced, California, is a moderate winter month, with average temperature ranging between max 58.6°F (14.8°C) and min 42.4°F (5.8°C).

Temperature

In January, the average high-temperature is practically the same as in December - a still mild 58.6°F (14.8°C). The average low-temperature, in January, is 42.4°F (5.8°C).

Humidity

January is the most humid month, with an average relative humidity of 70%.

Rainfall

In January, the rain falls for 7 days. Throughout January, 1.65" (42mm) of precipitation is accumulated. Throughout the year, in Merced, there are 62.9 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Daylight

The average length of the day in Merced is 9.9h.

Sunshine

The average sunshine in Merced is 6.3h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Merced. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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.
[Resources]

FAQ

What is the temperature in January in Merced?

In Merced, in January, the average high-temperature is 58.6°F (14.8°C), and the average low-temperature is 42.4°F (5.8°C).

What is the most humid month in Merced?

With an average relative humidity of 70%, January is the most humid month.

What is the average humidity in January in Merced?

In Merced, California, the average relative humidity in January is 70%.

How much does it rain in Merced in January?

In Merced, in January, during 7 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

How many hours of daylight does Merced have in January?

The average length of the day in January in Merced, California, is 9.9h.

How many hours of sunshine does Merced have in January?

In January, the average sunshine in Merced, California, is 6.3h.

What is the month with the lowest UV index in Merced?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index reading in January in Merced?

In January, the average daily maximum UV index in Merced, California, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in January
Merced, CA

Average temperature in January - Merced, CA
  • Average high temperature in January: 58.6°F

The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (55.9°F).

  • Average low temperature in January: 42.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

[Resources]

Average pressure in January
Merced, CA

Average pressure in January - Merced, CA
  • Average pressure in January: 30.15"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.91").

[Resources]

Average wind speed in January
Merced, CA

Average wind speed in January - Merced, CA
  • Average wind speed in January: 5.2mph

The windiest month (with the highest average wind speed) is June (8.3mph).
The calmest months (with the lowest average wind speed) are January and November (5.2mph).

[Resources]

Average humidity in January
Merced, CA

Average humidity in January - Merced, CA
  • Average humidity in January: 70%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (32%).

[Resources]

Average rainfall in January
Merced, CA

Average rainfall in January - Merced, CA
  • Average rainfall in January: 1.65"

The wettest month (with the highest rainfall) is March (2.44").
The driest month (with the least rainfall) is August (0.04").

[Resources]

Average rainfall days in January
Merced, CA

Average rainfall days in January - Merced, CA
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is June (1.1 days).

[Resources]

Average daylight in January /
Average sunshine in January
Merced, CA

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

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in January: 6.3h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.1h).

[Resources]

Average sunshine days in January
Merced, CA

Average sunshine days in January - Merced, CA
  • Average sunshine days in January: 23.4 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (18.8 days).

[Resources]

Average UV index in January
Merced, CA

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average cloud cover in January
Merced, CA

Average cloud cover in January - Merced, CA
  • Average cloud cover in January: 30

The month with the most cloud cover is March (Cloud cover 32).
Months with the least cloud cover are July and August (Cloud cover 5).

[Resources]

Average visibility in January
Merced, CA

Average visibility in January - Merced, CA
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]