January weather forecast
Phoenix, South Africa

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Weather in January

January, like December, in Phoenix, South Africa, is another warm summer month, with an average temperature fluctuating between 19.9°C (67.8°F) and 26.2°C (79.2°F).

Temperature

Transitioning into January, Phoenix experiences an average high-temperature of a still moderately hot 26.2°C (79.2°F), marking a minor shift from the preceding month. During the month of January, an average temperature of 19.9°C (67.8°F) is noted during the nights in Phoenix, South Africa.

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Phoenix, during January, the rain falls for 21.9 days and regularly aggregates up to 72mm (2.83") of precipitation. Throughout the year, there are 182.6 rainfall days, and 597mm (23.5") of precipitation is accumulated.

Daylight

The average length of the day in January in Phoenix is 13h and 48min.
On the first day of January in Phoenix, sunrise is at 04:58 and sunset at 18:59. On the last day of the month, sunrise is at 05:23 and sunset at 18:54 SAST.

Sunshine

In January, the average sunshine in Phoenix is 7.8h.

UV index

The months with the highest UV index in Phoenix are January through March and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 6 in January suggests the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What are the temperatures in Phoenix in January?

In Phoenix, in January, the average high-temperature is 26.2°C (79.2°F), and the average low-temperature is 19.9°C (67.8°F).

What is the average humidity in January in Phoenix?

In Phoenix, South Africa, the average relative humidity in January is 82%.

How many days does it rain in January in Phoenix?

In Phoenix, South Africa, during January, the rain falls for 21.9 days and regularly aggregates up to 72mm (2.83") of precipitation.

How many hours of daylight does Phoenix have in January?

In Phoenix, the average day length in January is 13h and 48min.

What time are sunrise and sunset in January in Phoenix?

On the first day of January, sunrise is at 04:58 and sunset at 18:59. On the last day of the month, sunrise is at 05:23 and sunset at 18:54 SAST.

How long on average sun shines in January in Phoenix?

The average sunshine duration in January in Phoenix, South Africa, is 7.8h.

When is the highest UV index in Phoenix?

January through March and December, with an average maximum UV index of 6, are months with the highest UV index in Phoenix.

What is the UV index reading in January in Phoenix?

In Phoenix, South Africa, the average daily maximum UV index in January is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in January
Phoenix, South Africa

Average temperature in January - Phoenix, South Africa
  • Average high temperature in January: 26.2°C

The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is July (21.3°C).

  • Average low temperature in January: 19.9°C

The month with the highest average low temperature is February (20.2°C).
The coldest month (with the lowest average low temperature) is July (13.6°C).

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Average pressure in January
Phoenix, South Africa

Average pressure in January - Phoenix, South Africa
  • Average pressure in January: 1014.2mbar

The month with the highest atmospheric pressure is July (1023.1mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).

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Average wind speed in January
Phoenix, South Africa

Average wind speed in January - Phoenix, South Africa
  • Average wind speed in January: 13.1km/h

The windiest month (with the highest average wind speed) is October (14.5km/h).
The calmest month (with the lowest average wind speed) is May (11km/h).

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Average humidity in January
Phoenix, South Africa

Average humidity in January - Phoenix, South Africa
  • Average humidity in January: 82%

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is June (64%).

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Average rainfall in January
Phoenix, South Africa

Average rainfall in January - Phoenix, South Africa
  • Average rainfall in January: 72mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is June (11mm).

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Average rainfall days in January
Phoenix, South Africa

Average rainfall days in January - Phoenix, South Africa
  • Average rainfall days in January: 21.9 days

The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is June (6.5 days).

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Average daylight in January /
Average sunshine in January
Phoenix, South Africa

Average daylight in January / Average sunshine in January - Phoenix, South Africa
  • Average daylight in January: 13h and 5min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in January: 7h and 5min

The month with the most sunshine is February (Average sunshine: 8h and 30min).
The month with the least sunshine is April (Average sunshine: 5h and 54min).

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Average sunshine days in January
Phoenix, South Africa

Average sunshine days in January - Phoenix, South Africa
  • Average sunshine days in January: 6.7 days

The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is December (5.4 days).

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Average UV index in January
Phoenix, South Africa

Average UV index in January - Phoenix, South Africa
  • Average UV index in January: 6

The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is October (UV index 4).

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Average cloud cover in January
Phoenix, South Africa

Average cloud cover in January - Phoenix, South Africa
  • Average cloud cover in January: 51

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 17).

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Average visibility in January
Phoenix, South Africa

Average visibility in January - Phoenix, South Africa
  • Average visibility in January: 9km

The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).

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Phoenix, South Africa

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