Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Transitioning into December, Tempe records an average high-temperature of a still warm 29.8°C (85.6°F), almost identical to November's 28.1°C (82.6°F). Following the sharp contrast to daytime warmth, an average nighttime temperature of 17°C (62.6°F) gets registered in Tempe during December.Heat index
The heat index value for December is calculated to be 29°C (84.2°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Tempe, the average relative humidity in December is 40%.Rainfall
In Tempe, South Africa, during December, the rain falls for 10.7 days and regularly aggregates up to 44mm (1.73") of precipitation. In Tempe, during the entire year, the rain falls for 76.1 days and collects up to 269mm (10.59") of precipitation.Snowfall
In Tempe, snow does not fall in January through June, August through December.Daylight
December has the longest days of the year in Tempe, South Africa, with an average of 14h and 0min of daylight.On the first day of the month, sunrise is at 05:08 and sunset at 19:00. On the last day of December, in Tempe, sunrise is at 05:19 and sunset at 19:17 SAST.
Sunshine
In December, the average sunshine in Tempe is 11.7h.UV index
December is the month with the highest UV index, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 7 during December translates into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
Is it hot in Tempe during December?
What is the average humidity in December in Tempe?
How many days does it rain in December in Tempe?
When it does not snow in Tempe?
When are the longest days in Tempe?
What is the average length of the day in December in Tempe?
What time are sunrise and sunset in December in Tempe?
How long on average sun shines in December in Tempe?
When is the highest UV index in Tempe?
What is the UV index reading in December in Tempe?
Average temperature in December
Tempe, South Africa
- Average high temperature in December: 29.8°C
The warmest month (with the highest average high temperature) is January (30.1°C).
The month with the lowest average high temperature is June (16.2°C).
- Average low temperature in December: 17°C
The month with the highest average low temperature is January (18.5°C).
The coldest month (with the lowest average low temperature) is July (4.3°C).
Average pressure in December
Tempe, South Africa
- Average pressure in December: 1011.9mbar
The month with the highest atmospheric pressure is July (1025.1mbar).
The months with the lowest atmospheric pressure are January and December (1011.9mbar).
Average wind speed in December
Tempe, South Africa
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is November (16km/h).
The calmest month (with the lowest average wind speed) is May (9.6km/h).
Average humidity in December
Tempe, South Africa
- Average humidity in December: 40%
The month with the highest relative humidity is June (51%).
The month with the lowest relative humidity is September (30%).
Average rainfall in December
Tempe, South Africa
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is January (48mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in December
Tempe, South Africa
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is January (11.5 days).
The month with the least rainy days is August (1.8 days).
Average snowfall days in December
Tempe, South Africa
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Tempe, South Africa
- Average daylight in December: 14h and 0min
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 December: 11h and 4min
The months with the most sunshine are October and November (Average sunshine: 11h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).
Average sunshine days in December
Tempe, South Africa
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is February (15.4 days).
Average UV index in December
Tempe, South Africa
- Average UV index in December: 7
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in December
Tempe, South Africa
- Average cloud cover in December: 16
The month with the most cloud cover is February (Cloud cover 18).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in December
Tempe, South Africa
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Tempe, South Africa
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