January weather forecast and climate
San Luis, AZ

Weather in January

January is an agreeable winter month in San Luis, Arizona, with average temperature ranging between min 51.1°F (10.6°C) and max 69.3°F (20.7°C).

Temperature

In San Luis, the average high-temperature is essentially the same as in December - a pleasant 69.3°F (20.7°C). The average low-temperature, in San Luis, is 51.1°F (10.6°C).

Humidity

In San Luis, the average relative humidity is 36%.

Rainfall

In January, the rain falls for 2 days. Throughout January, 0.16" (4mm) of precipitation is accumulated. In San Luis, during the entire year, the rain falls for 25 days and collects up to 2.24" (57mm) of precipitation.

Daylight

In January, the average length of the day in San Luis is 10.3h.

Sunshine

In January, the average sunshine is 8h.

UV index

The average daily maximum UV index in San Luis, Arizona, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in January interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 San Luis?

In January, in San Luis, the average high-temperature is 69.3°F (20.7°C), and the average low-temperature is 51.1°F (10.6°C).

What is the average humidity in January in San Luis?

In San Luis, Arizona, the average relative humidity in January is 36%.

How many days does it rain in January in San Luis?

In San Luis, Arizona, in January, it is raining for 2 days, with typically 0.16" (4mm) of accumulated precipitation.

What is the average length of the day in January in San Luis?

In San Luis, the average length of the day in January is 10.3h.

How long on average sun shines in January in San Luis?

In January, the average sunshine in San Luis, Arizona, is 8h.

What is the UV index intensity in January in San Luis?

In January, the average daily maximum UV index in San Luis is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in January
San Luis, AZ

Average temperature in January - San Luis, AZ
  • Average high temperature in January: 69.3°F

The warmest month (with the highest average high temperature) is July (106.2°F).
The month with the lowest average high temperature is December (67.1°F).

  • Average low temperature in January: 51.1°F

The month with the highest average low temperature is August (86.2°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).

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Average pressure in January
San Luis, AZ

Average pressure in January - San Luis, AZ
  • Average pressure in January: 30.07"

The month with the highest atmospheric pressure is January (30.07").
The month with the lowest atmospheric pressure is June (29.75").

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Average wind speed in January
San Luis, AZ

Average wind speed in January - San Luis, AZ
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.7mph).

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Average humidity in January
San Luis, AZ

Average humidity in January - San Luis, AZ
  • Average humidity in January: 36%

The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (23%).

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Average rainfall in January
San Luis, AZ

Average rainfall in January - San Luis, AZ
  • Average rainfall in January: 0.16"

The wettest month (with the highest rainfall) is July (0.39").
The driest month (with the least rainfall) is May (0").

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Average rainfall days in January
San Luis, AZ

Average rainfall days in January - San Luis, AZ
  • Average rainfall days in January: 2 days

The month with the highest number of rainy days is July (5.1 days).
The month with the least rainy days is May (0.3 days).

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Average daylight in January /
Average sunshine in January
San Luis, AZ

Average daylight in January / Average sunshine in January - San Luis, AZ
  • Average daylight in January: 10.3h

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: 8h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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Average sunshine days in January
San Luis, AZ

Average sunshine days in January - San Luis, AZ
  • Average sunshine days in January: 28.8 days

The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is July (24.3 days).

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Average UV index in January
San Luis, AZ

Average UV index in January - San Luis, AZ
  • Average UV index in January: 5

Months with the highest UV index are June, July, August and September (UV index 8).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in January
San Luis, AZ

Average cloud cover in January - San Luis, AZ
  • Average cloud cover in January: 16

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in January
San Luis, AZ

Average visibility in January - San Luis, 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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