Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
January's advent presents an average high-temperature of a still moderately hot 26.2°C (79.2°F), indicating a slight variation from the conditions of the previous month. Throughout January, the temperature tends to fall to a consistent average low of 19.9°C (67.8°F).Humidity
In January, the average relative humidity is 82%.Rainfall
In Phoenix, in January, during 21.9 rainfall days, 72mm (2.83") of precipitation is typically accumulated. Throughout the year, there are 182.6 rainfall days, and 597mm (23.5") of precipitation is accumulated.Daylight
In Phoenix, the average length of the day in January is 13h and 48min.On the first day of the month, sunrise is at 04:58 and sunset at 18:59. On the last day of January, sunrise is at 05:23 and sunset at 18:54 SAST.
Sunshine
The average sunshine in January is 7.8h.UV index
The months with the highest UV index are January through March and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 in January translates into these instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What is the average humidity in January?
How much does it rain in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in Phoenix?
How long on average sun shines in January?
When is the highest UV index?
How high is the UV index in January in Phoenix?
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).
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).
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).
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%).
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).
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).
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).
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).
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).
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).
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).
