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 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
Entering December, the average high-temperature is recorded at a still moderately hot 27.5°C (81.5°F), exhibiting a minimal shift from November's 28.2°C (82.8°F). Night temperatures during December in Lumajang, Indonesia, experience a slight downturn, averaging a pleasant 22.6°C (72.7°F).Heat index
December's average heat index is estimated at a hot 31°C (87.8°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in December is 83%.Rainfall
In Lumajang, during December, the rain falls for 29.4 days and regularly aggregates up to 282mm (11.1") of precipitation. In Lumajang, during the entire year, the rain falls for 304 days and collects up to 2218mm (87.32") of precipitation.Daylight
With an average of 12h and 36min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 04:59 and sunset at 17:33. On the last day of the month, sunrise is at 05:12 and sunset at 17:47 WIB.
Sunshine
In December, the average sunshine is 7h.UV index
February through December, with an average maximum UV index of 6, are months with the highest UV index in Lumajang. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 6 in December transforms into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the usual temperature for Lumajang in December?
What is the average humidity in December in Lumajang?
How much does it rain in Lumajang in December?
When are the longest days in Lumajang?
How many hours of daylight does Lumajang have in December?
What time are sunrise and sunset in December in Lumajang?
How long on average sun shines in December in Lumajang?
When is the highest UV index in Lumajang?
What is the UV index reading in December in Lumajang?
Average temperature in December
Lumajang, Indonesia
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is October (28.3°C).
The month with the lowest average high temperature is July (25.4°C).
- Average low temperature in December: 22.6°C
The month with the highest average low temperature is December (22.6°C).
The coldest months (with the lowest average low temperature) are August and September (19.4°C).
Average pressure in December
Lumajang, Indonesia
- Average pressure in December: 1008.7mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in December
Lumajang, Indonesia
- Average wind speed in December: 5.5km/h
The windiest month (with the highest average wind speed) is August (8.4km/h).
The calmest month (with the lowest average wind speed) is March (4.7km/h).
Average humidity in December
Lumajang, Indonesia
- Average humidity in December: 83%
The months with the highest relative humidity are February, March, April, May and June (85%).
The month with the lowest relative humidity is October (79%).
Average rainfall in December
Lumajang, Indonesia
- Average rainfall in December: 282mm
The wettest month (with the highest rainfall) is January (364mm).
The driest month (with the least rainfall) is August (44mm).
Average rainfall days in December
Lumajang, Indonesia
- Average rainfall days in December: 29.4 days
The month with the highest number of rainy days is January (29.8 days).
The month with the least rainy days is September (17.2 days).
Average daylight in December /
Average sunshine in December
Lumajang, Indonesia
- Average daylight in December: 12h and 4min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in December
Lumajang, Indonesia
- Average sunshine days in December: 0.7 days
The month with the most sunshine days is September (7.1 days).
The month with the least sunshine days is February (0.3 days).
Average UV index in December
Lumajang, Indonesia
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in December
Lumajang, Indonesia
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is October (Cloud cover 36).
Average visibility in December
Lumajang, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Lumajang, Indonesia
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