December weather forecast
Utiroa, Kiribati

December

Weather in December

Capping the year, December ushers in a set of fresh weather variations in Utiroa. There's a stark contrast with November as the city encounters a spike in rainfall, receiving over 100mm (3.94") again. However, the temperature, humidity, and cloud cover demonstrate consistency, offering a glimpse of stability. The daylight and sunshine hours reduce slightly from November, but not significantly enough to curtail outdoor activities. December ties up the climatic ends, completing the year-long weather journey with a festive shower.

Temperature

As Utiroa steps into December, the average high-temperature holds at a still moderately hot 28.5°C (83.3°F), hinting at a minor fluctuation from the prior month. During December, nights cool slightly to an average low of 27.5°C (81.5°F).

Heat index

December's average heat index is estimated at a hot 33°C (91.4°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in December in Utiroa is 76%.

Rainfall

In Utiroa, Kiribati, during December, the rain falls for 14.5 days and regularly aggregates up to 106mm (4.17") of precipitation. In Utiroa, during the entire year, the rain falls for 190.3 days and collects up to 938mm (36.93") of precipitation.

Daylight

With an average of 12h and 12min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 06:04 and sunset at 18:15. On the last day of the month, sunrise is at 06:18 and sunset at 18:29 +12.

Sunshine

In Utiroa, the average sunshine in December is 7.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 7 in December translates into this advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

How hot is December?
In Utiroa, 28.5°C (83.3°F) is the average high-temperature and 27.5°C (81.5°F) is the average low-temperature during December. In December, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 33°C (91.4°F).
What is the average humidity in December?
The average relative humidity in December is 76%.
How much does it rain in December?
In Utiroa, in December, during 14.5 rainfall days, 106mm (4.17") of precipitation is typically accumulated.
When are the longest days?
With an average of 12h and 12min of daylight, December has the longest days of the year.
What is the average length of the day in December in Utiroa?
In Utiroa, the average day length in December is 12h and 11min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 06:04 and sunset at 18:15. On the last day of the month, sunrise is at 06:18 and sunset at 18:29 +12.
How long on average sun shines in December?
In December, the average sunshine duration is 7.7h.
What is the month with the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Utiroa.
What is the month with the lowest UV index in Utiroa?
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
What is the UV index reading in December?
In December, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Utiroa, Kiribati
Average temperature in December
Utiroa, Kiribati
  • Average high temperature in December: 28.5°C

The warmest month (with the highest average high temperature) is May (28.9°C).
The month with the lowest average high temperature is February (28.2°C).

  • Average low temperature in December: 27.5°C

The month with the highest average low temperature is May (27.8°C).
The coldest month (with the lowest average low temperature) is March (27.1°C).

Average pressure in December - Utiroa, Kiribati
Average pressure in December
Utiroa, Kiribati
  • Average pressure in December: 1007.5mbar

The month with the highest atmospheric pressure is September (1009.5mbar).
The months with the lowest atmospheric pressure are January and December (1007.5mbar).

Average wind speed in December - Utiroa, Kiribati
Average wind speed in December
Utiroa, Kiribati
  • Average wind speed in December: 18.9km/h

The windiest month (with the highest average wind speed) is February (21.7km/h).
The calmest month (with the lowest average wind speed) is October (16.7km/h).

Average humidity in December - Utiroa, Kiribati
Average humidity in December
Utiroa, Kiribati
  • Average humidity in December: 76%

The months with the highest relative humidity are February, March and April (78%).
The months with the lowest relative humidity are August, September, October and November (74%).

Average rainfall in December - Utiroa, Kiribati
Average rainfall in December
Utiroa, Kiribati
  • Average rainfall in December: 106mm

The wettest month (with the highest rainfall) is March (128mm).
The driest month (with the least rainfall) is November (30mm).

Average rainfall days in December - Utiroa, Kiribati
Average rainfall days in December
Utiroa, Kiribati
  • Average rainfall days in December: 14.5 days

The months with the highest number of rainy days are April and May (19.1 days).
The month with the least rainy days is November (10.2 days).

Average daylight in December / Average sunshine in December - Utiroa, Kiribati
Average daylight in December /
Average sunshine in December
Utiroa, Kiribati
  • Average daylight in December: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).

  • Average sunshine in December: 7h and 4min

The month with the most sunshine is November (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 7h and 30min).

Average sunshine days in December - Utiroa, Kiribati
Average sunshine days in December
Utiroa, Kiribati
  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is April (8.3 days).

Average UV index in December - Utiroa, Kiribati
Average UV index in December
Utiroa, Kiribati
  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in December - Utiroa, Kiribati
Average cloud cover in December
Utiroa, Kiribati
  • Average cloud cover in December: 43

The months with the most cloud cover are February, March and April (Cloud cover 44).
The months with the least cloud cover are September, October and November (Cloud cover 36).

Average visibility in December - Utiroa, Kiribati
Average visibility in December
Utiroa, Kiribati
  • 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).

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