Rio Dulce
Guatemala
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Rio Dulce, Guatemala

The first month of the winter, December, is still a warm month in Rio Dulce, Guatemala, with average temperature ranging between max 28°C (82.4°F) and min 20°C (68°F).

Temperature

In December, the average high-temperature remains the same as in November - a still warm 28°C (82.4°F). The average low-temperature, in December, is 20°C (68°F).

Rainfall

In Rio Dulce, during 13 rainfall days, 165mm (6.5") of precipitation is typically accumulated. Throughout the year, there are 171 rainfall days, and 2684mm (105.7") of precipitation is accumulated.

Daylight

With an average of 11.2h of daylight, December has the shortest days of the year in Rio Dulce.

Sunshine

November and December, with an average of 5h of sunshine, are months with the least sunshine.

UV index

With an average maximum UV index of 8, December is the month with the lowest UV index in Rio Dulce. A UV Index of 8 to 10 symbolizes a very high health risk from unsafe exposure to the UV radiation for ordinary individuals.
In December, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Rio Dulce?

The average high-temperature, in December, in Rio Dulce, is 28°C (82.4°F), while the average low-temperature is 20°C (68°F).

How many days does it rain in December in Rio Dulce?

In Rio Dulce, during December, the rain falls for 13 days and regularly aggregates up to 165mm (6.5") of precipitation.

What is the month with the shortest days in Rio Dulce?

December has the shortest days of the year in Rio Dulce, Guatemala, with an average of 11.2h of daylight.

How many hours of daylight does Rio Dulce have in December?

In December, the average length of the day in Rio Dulce, Guatemala, is 11.2h.

What is the month with the least sunshine in Rio Dulce?

November and December, with an average of 5h of sunshine, are months with the least sunshine in Rio Dulce.

How long on average sun shines in December in Rio Dulce?

In December, the average sunshine in Rio Dulce is 5h.

When is the lowest UV index in Rio Dulce?

With an average maximum UV index of 8, December is the month with the lowest UV index in Rio Dulce.

How high is the UV index in December in Rio Dulce?

In Rio Dulce, Guatemala, the average daily maximum UV index in December is 8. A UV Index reading of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Rio Dulce, Guatemala
  • Average high temperature in December: 28°C

Warmest months (with the highest average high temperature) are April, May and June (33°C).
The month with the lowest average high temperature is January (27°C).

  • Average low temperature in December: 20°C

Months with the highest average low temperature are May, June, July, August and September (23°C).
Coldest months (with the lowest average low temperature) are January, February and December (20°C).

Average rainfall in December - Rio Dulce, Guatemala
  • Average rainfall in December: 165mm

The wettest month (with the highest rainfall) is July (439mm).
The driest month (with the lowest rainfall) is March (77mm).

Average rainfall days in December - Rio Dulce, Guatemala
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (23 days).
The month with the lowest number of rainy days is April (6 days).

Average daylight in December / Average sunshine in December - Rio Dulce, Guatemala
  • Average daylight in December: 11.2h

The month with the longest days is June (Average daylight: 13.1h).
The month with shortest days is December (Average daylight: 11.2h).

  • Average sunshine in December: 5h

Months with most sunshine are March, April, May and August (Average sunshine: 7h).
Months with least sunshine are November and December (Average sunshine: 5).

Average UV index in December - Rio Dulce, Guatemala
  • Average UV index in December: 8

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).