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
December
Weather in December
Temperature
The onset of December marks an average high-temperature of a still agreeable 22.1°C (71.8°F), hardly differing from November's 22.5°C (72.5°F). Throughout December nights, San Juan registers an average low-temperature of 14.4°C (57.9°F).Humidity
The average relative humidity in December in San Juan is 89%.Rainfall
In San Juan, during December, the rain falls for 21.4 days and regularly aggregates up to 37mm (1.46") of precipitation. In San Juan, during the entire year, the rain falls for 297.7 days and collects up to 1500mm (59.06") of precipitation.Daylight
With an average of 11h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:02 and sunset at 17:23. On the last day of December, sunrise is at 06:18 and sunset at 17:35 CST.
Sunshine
In December, the average sunshine is 5.6h.UV index
January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during December morphs into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in San Juan?
What is the average humidity in December in San Juan?
How many days does it rain in December in San Juan?
What is the month with the shortest days in San Juan?
What is the average length of the day in December in San Juan?
What time are sunrise and sunset in December in San Juan?
How long on average sun shines in December in San Juan?
What is the month with the lowest UV index in San Juan?
How high is the UV index in December in San Juan?
Average temperature in December
San Juan, Honduras
- Average high temperature in December: 22.1°C
The warmest month (with the highest average high temperature) is April (28.8°C).
The month with the lowest average high temperature is January (21.8°C).
- Average low temperature in December: 14.4°C
The month with the highest average low temperature is May (18.6°C).
The coldest month (with the lowest average low temperature) is January (14.1°C).
Average pressure in December
San Juan, Honduras
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is January (1015.9mbar).
The months with the lowest atmospheric pressure are May and September (1012.2mbar).
Average wind speed in December
San Juan, Honduras
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is January (7.8km/h).
The calmest month (with the lowest average wind speed) is September (4.4km/h).
Average humidity in December
San Juan, Honduras
- Average humidity in December: 89%
The months with the highest relative humidity are October and November (91%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
San Juan, Honduras
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is September (261mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in December
San Juan, Honduras
- Average rainfall days in December: 21.4 days
The month with the highest number of rainy days is September (29.2 days).
The month with the least rainy days is February (19.1 days).
Average daylight in December /
Average sunshine in December
San Juan, Honduras
- Average daylight in December: 11h and 2min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is April (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in December
San Juan, Honduras
- Average sunshine days in December: 6 days
The month with the most sunshine days is March (8.3 days).
The month with the least sunshine days is September (0.7 days).
Average UV index in December
San Juan, Honduras
- Average UV index in December: 4
The months with the highest UV index are March, April, May and June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in December
San Juan, Honduras
- Average cloud cover in December: 68
The month with the most cloud cover is November (Cloud cover 75).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in December
San Juan, Honduras
- Average visibility in December: 5km
The month with the highest visibility is April (8km).
The months with the lowest visibility are October, November and December (5km).
