January weather forecast
Greenwood, AZ

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Weather in January

January in Greenwood, Arizona, is a moderate winter month, with an average temperature fluctuating between 39.7°F (4.3°C) and 56.7°F (13.7°C).

Temperature

On the advent of January, Greenwood's average high-temperature exhibits a minor adjustment to a moderate 56.7°F (13.7°C) from December's 54.5°F (12.5°C). During January, the temperature tends to dip to an average of 39.7°F (4.3°C) at night.

Humidity

In January, the average relative humidity is 46%.

Rainfall

In January, the rain falls for 4.9 days. Throughout January, 0.83" (21mm) of precipitation is accumulated. In Greenwood, during the entire year, the rain falls for 61.1 days and collects up to 8.31" (211mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Greenwood, in January, snow falls for 0.3 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, there are 2.8 snowfall days, and 3.74" (95mm) of snow is accumulated.

Daylight

In January, the average length of the day is 10h and 10min.
On the first day of the month, sunrise is at 7:40 am and sunset at 5:34 pm. On the last day of January, sunrise is at 7:32 am and sunset at 6:02 pm MST.

Sunshine

In January, the average sunshine is 7.1h.

UV index

In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 3 during January translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average January temperature?

In January, the average high-temperature and low-temperature are 56.7°F (13.7°C) and 39.7°F (4.3°C) respectively.

What is the average humidity in January in Greenwood?

In Greenwood, the average relative humidity in January is 46%.

How many days does it rain in January?

In Greenwood, during January, the rain falls for 4.9 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How much does it snow in January?

In Greenwood, in January, snow falls for 0.3 days, with typically accumulated 0.08" (2mm) of snow.

How many hours of daylight does Greenwood have in January?

The average day length in January is 10h and 10min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:40 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:02 pm MST.

How long on average sun shines in January?

In Greenwood, Arizona, the average sunshine duration in January is 7.1h.

How high is the UV index in January?

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

Average temperature in January
Greenwood, AZ

Average temperature in January - Greenwood, AZ
  • Average high temperature in January: 56.7°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 (54.5°F).

  • Average low temperature in January: 39.7°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).

Average pressure in January
Greenwood, AZ

Average pressure in January - Greenwood, AZ
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).

Average wind speed in January
Greenwood, AZ

Average wind speed in January - Greenwood, AZ
  • Average wind speed in January: 6.3mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is December (6.1mph).

Average humidity in January
Greenwood, AZ

Average humidity in January - Greenwood, AZ
  • Average humidity in January: 46%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (19%).

Average rainfall in January
Greenwood, AZ

Average rainfall in January - Greenwood, AZ
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in January
Greenwood, AZ

Average rainfall days in January - Greenwood, AZ
  • Average rainfall days in January: 4.9 days

The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is June (1.2 days).

Average snowfall in January
Greenwood, AZ

Average snowfall in January - Greenwood, AZ
  • Average snowfall in January: 0.08"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Greenwood, AZ

Average snowfall days in January - Greenwood, AZ
  • Average snowfall days in January: 0.3 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Greenwood, AZ
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in January: 7h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in January
Greenwood, AZ

Average sunshine days in January - Greenwood, AZ
  • Average sunshine days in January: 25.2 days

The months with the most sunshine days are May and June (28.1 days).
The month with the least sunshine days is August (15.4 days).

Average UV index in January
Greenwood, AZ

Average UV index in January - Greenwood, AZ
  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in January
Greenwood, AZ

Average cloud cover in January - Greenwood, AZ
  • Average cloud cover in January: 19

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

Average visibility in January
Greenwood, AZ

Average visibility in January - Greenwood, AZ
  • 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).

Greenwood, Arizona, USA

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