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

December weather forecast and climate
Fresno, CA

The artificial Millerton Lake near Fresno in California, clear skies, and mountain ranges
The artificial Millerton Lake near Fresno in California, clear skies, and mountain ranges
Diciembre, the first month of the winter, in Fresno, is still a cool month, with average temperature varying between 37.9°F (3.3°C) and 54.9°F (12.7°C).

Temperature

The coldest months are Enero and Diciembre, with an average high-temperature of 54.9°F (12.7°C).

Humidity

Diciembre is the most humid month, with an average relative humidity of 84.2%.

Rainfall

In Fresno, during 7.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Fresno, during the entire year, the rain falls for 48.1 days and collects up to 11.5" (292.2mm) of precipitation.

Daylight

The month with the shortest days in Fresno is Diciembre, with an average of 9.7h of daylight.

Sunshine

Diciembre has the least sunshine of the year, with an average of 4.1h of sunshine.

UV index

Enero and Diciembre, with an average maximum UV index of 2, are months with the lowest UV index in Fresno. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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 coldest month in Fresno?

Enero and Diciembre, with an average high-temperature of 54.9°F (12.7°C), are the coldest months in Fresno, California.

What is the temperature in Diciembre in Fresno?

The average high-temperature, in Diciembre, is 54.9°F (12.7°C), while the average low-temperature is 37.9°F (3.3°C).

What is the most humid month in Fresno?

Diciembre is the most humid month in Fresno, with an average relative humidity of 84.2%.

What is the average humidity in Diciembre in Fresno?

In Diciembre, the average relative humidity in Fresno is 84.2%.

How much does it rain in Fresno in Diciembre?

In Fresno, California, in Diciembre, it is raining for 7.5 days, with typically 1.77" (45mm) of accumulated precipitation.

What is the month with the shortest days in Fresno?

The month with the shortest days in Fresno, California, is Diciembre, with an average of 9.7h of daylight.

What is the average length of the day in Diciembre in Fresno?

In Fresno, the average length of the day in Diciembre is 9.7h.

What is the month with the least sunshine in Fresno?

The month with the least sunshine in Fresno is Diciembre, with an average of 4.1h of sunshine.

How many hours of sunshine does Fresno have in Diciembre?

In Fresno, the average sunshine in Diciembre is 4.1h.

What are the months with the lowest UV index in Fresno?

Enero and Diciembre, with an average maximum UV index of 2, are months with the lowest UV index in Fresno, California.

What is the UV index reading in Diciembre in Fresno?

In Diciembre, the average daily maximum UV index in Fresno is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Fresno, CA
  • Average high temperature in December: 54.9°F

The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is January (54.8°F).

  • Average low temperature in December: 38°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is December (38°F).

Average humidity in December - Fresno, CA
  • Average humidity in December: 84.2%

The month with the highest relative humidity is December (84.2%).
The month with the lowest relative humidity is July (39.2%).

Average rainfall in December - Fresno, CA
  • Average rainfall in December: 1.8"

The wettest month (with the highest rainfall) is January (2.2").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in December - Fresno, CA
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is February (8.6 days).
The month with the lowest number of rainy days is July (0.2 days).

Average daylight in December / Average sunshine in December - Fresno, CA
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 4.1h

The month with most sunshine is July (Average sunshine: 13.8h).
The month with least sunshine is December (Average sunshine: 4.1h).

Average UV index in December - Fresno, CA
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).