January weather forecast and climate
Gilbert, AZ

Weather in January

January, like December, in Gilbert, Arizona, is another comfortable winter month, with average temperature varying between 63.9°F (17.7°C) and 46.4°F (8°C).

Temperature

In January, the average high-temperature is essentially the same as in December - a still enjoyable 63.9°F (17.7°C). In January, the average low-temperature is 46.4°F (8°C).

Humidity

In Gilbert, Arizona, the average relative humidity is 43%.

Rainfall

In January, the rain falls for 4.8 days. Throughout January, 0.71" (18mm) of precipitation is accumulated. In Gilbert, during the entire year, the rain falls for 60.2 days and collects up to 7.91" (201mm) of precipitation.

Daylight

In Gilbert, the average length of the day is 10.2h.

Sunshine

The average sunshine in Gilbert is 7.1h.

UV index

The average daily maximum UV index in Gilbert is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: In January, the average maximum UV index of 4 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in January in Gilbert?

The average high-temperature, in January, in Gilbert, Arizona, is 63.9°F (17.7°C), while the average low-temperature is 46.4°F (8°C).

What is the average humidity in January in Gilbert?

The average relative humidity in January in Gilbert is 43%.

How many days does it rain in January in Gilbert?

In January, in Gilbert, the rain falls for 4.8 days. Throughout January, 0.71" (18mm) of precipitation is accumulated.

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

In January, the average length of the day in Gilbert, Arizona, is 10.2h.

How many hours of sunshine does Gilbert have in January?

In Gilbert, the average sunshine in January is 7.1h.

How high is the UV index in January in Gilbert?

The average daily maximum UV index in January in Gilbert is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in January
Gilbert, AZ

Average temperature in January - Gilbert, AZ
  • Average high temperature in January: 63.9°F

The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in January: 46.4°F

The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

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Average pressure in January
Gilbert, AZ

Average pressure in January - Gilbert, AZ
  • Average pressure in January: 30.09"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in January
Gilbert, AZ

Average wind speed in January - Gilbert, AZ
  • Average wind speed in January: 4.7mph

The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).

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Average humidity in January
Gilbert, AZ

Average humidity in January - Gilbert, AZ
  • Average humidity in January: 43%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in January
Gilbert, AZ

Average rainfall in January - Gilbert, AZ
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in January
Gilbert, AZ

Average rainfall days in January - Gilbert, AZ
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is June (1.2 days).

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Average daylight in January /
Average sunshine in January
Gilbert, AZ

Average daylight in January / Average sunshine in January - Gilbert, AZ
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in January: 7.1h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in January
Gilbert, AZ

Average sunshine days in January - Gilbert, AZ
  • Average sunshine days in January: 25.5 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.6 days).

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Average UV index in January
Gilbert, AZ

Average UV index in January - Gilbert, AZ
  • Average UV index in January: 4

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in January
Gilbert, AZ

Average cloud cover in January - Gilbert, AZ
  • Average cloud cover in January: 18

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in January
Gilbert, AZ

Average visibility in January - Gilbert, AZ
  • 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).

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