January weather forecast
Ione, CA

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Weather in January

January is a mild winter month in Ione, California, with an average temperature ranging between min 40.1°F (4.5°C) and max 56.1°F (13.4°C).

Temperature

Ione's January reports an average high-temperature of a moderate 56.1°F (13.4°C), exhibiting a minor difference from December. In January, Ione experiences a temperature dip to an average of 40.1°F (4.5°C) at night.

Humidity

In January, the average relative humidity in Ione is 71%.

Rainfall

In Ione, during January, the rain falls for 8.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Ione, during the entire year, the rain falls for 75.1 days and collects up to 19.06" (484mm) of precipitation.

Snowfall

January through November are months without snowfall in Ione.

Daylight

In Ione, the average length of the day in January is 9h and 52min.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:53 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:24 pm PST.

Sunshine

In January, the average sunshine in Ione, California, is 6.2h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Ione. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In January, an average UV index of 3 transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What are the temperatures in Ione in January?

In Ione, in January, the average high-temperature is 56.1°F (13.4°C), and the average low-temperature is 40.1°F (4.5°C).

What is the average humidity in January in Ione?

In Ione, California, the average relative humidity in January is 71%.

How much does it rain in Ione in January?

In Ione, California, during January, the rain falls for 8.8 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Ione?

January through November are months without snowfall.

Does it snow in Ione in January?

In January, in Ione, it doesn't snow. December is the latest month when it typically snows.

How many hours of daylight does Ione have in January?

The average day length in January in Ione is 9h and 52min.

When is the sunrise / sunset in January in Ione?

On the first day of January in Ione, California, sunrise is at 7:20 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:24 pm PST.

How many hours of sunshine does Ione have in January?

The average sunshine duration in January is 6.2h.

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

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

What is the UV index intensity in January in Ione?

In Ione, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Ione, CA

Average temperature in January - Ione, CA
  • Average high temperature in January: 56.1°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (54°F).

  • Average low temperature in January: 40.1°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (38.8°F).

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Average pressure in January
Ione, CA

Average pressure in January - Ione, CA
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
Ione, CA

Average wind speed in January - Ione, CA
  • Average wind speed in January: 4.7mph

The windiest month (with the highest average wind speed) is February (5.6mph).
The calmest months (with the lowest average wind speed) are August and September (3.9mph).

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Average humidity in January
Ione, CA

Average humidity in January - Ione, CA
  • Average humidity in January: 71%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (40%).

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Average rainfall in January
Ione, CA

Average rainfall in January - Ione, CA
  • Average rainfall in January: 2.68"

The wettest month (with the highest rainfall) is March (3.7").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in January
Ione, CA

Average rainfall days in January - Ione, CA
  • Average rainfall days in January: 8.8 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (1.2 days).

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Average snowfall in January
Ione, CA

Average snowfall in January - Ione, CA
  • Average snowfall in January: 0"

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Ione, CA

Average snowfall days in January - Ione, CA
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in January / Average sunshine in January - Ione, CA
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 6h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in January
Ione, CA

Average sunshine days in January - Ione, CA
  • Average sunshine days in January: 21.4 days

The months with the most sunshine days are July and August (28.8 days).
The month with the least sunshine days is March (16.3 days).

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Average UV index in January
Ione, CA

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

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

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Average cloud cover in January
Ione, CA

Average cloud cover in January - Ione, CA
  • Average cloud cover in January: 31

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in January
Ione, CA

Average visibility in January - Ione, 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).

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Ione, California, USA

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