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 sea temperature 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
Horta's average high-temperature in December is a still enjoyable 16.8°C (62.2°F), marking an insignificant difference from the 17.9°C (64.2°F) of November. Horta's nighttime temperature in December shows a minor descent, with a steady average of 15.3°C (59.5°F).Humidity
The average relative humidity in December in Horta is 80%.Rainfall
The month with the most rainfall in Horta is December, when the rain falls for 19 days and typically aggregates up to 90mm (3.54") of precipitation.Sea temperature
In Horta, the average seawater temperature in December is 17.1°C (62.8°F).Note: The enjoyment of swimming decreases for most when the surface water temperature is 17.1°C (62.8°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).
Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Horta.On the first day of December in Horta, sunrise is at 07:53 and sunset at 17:33. On the last day of the month, sunrise is at 08:11 and sunset at 17:43 -01.
Sunshine
December has the least sunshine of the year in Horta, Portugal, with an average of 4.4h of sunshine.UV index
January through May, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during December leads to these advisories:
Ensure safety - Recommendations to avert sunburn are presented. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Horta in December?
What is the average humidity in December in Horta?
What is the rainiest month in Horta?
How much does it rain in Horta in December?
What is the sea temperature in December in Horta?
What is the month with the shortest days in Horta?
How many hours of daylight does Horta have in December?
When is the sunrise / sunset in December in Horta?
What is the month with the least sunshine in Horta?
How many hours of sunshine does Horta have in December?
When is the lowest UV index in Horta?
How high is the UV index in December in Horta?
Average temperature in December
Horta, Portugal
- Average high temperature in December: 16.8°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is March (15.4°C).
- Average low temperature in December: 15.3°C
The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is March (13.8°C).
Average pressure in December
Horta, Portugal
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is October (1016.8mbar).
Average wind speed in December
Horta, Portugal
- Average wind speed in December: 26.6km/h
The windiest month (with the highest average wind speed) is December (26.6km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).
Average humidity in December
Horta, Portugal
- Average humidity in December: 80%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (78%).
Average rainfall in December
Horta, Portugal
- Average rainfall in December: 90mm
The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in December
Horta, Portugal
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is December (19 days).
The months with the least rainy days are June and July (12.5 days).
Average sea temperature in December
Horta, Portugal
- Average sea temperature in December: 17.1°C
The best month for swimming (with the highest average sea temperature) is August (23.9°C).
The coldest month (with the lowest average sea temperature) is March (15.8°C).
Average daylight in December /
Average sunshine in December
Horta, Portugal
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Horta, Portugal
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is July (14.2 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Horta, Portugal
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 4).
Average cloud cover in December
Horta, Portugal
- Average cloud cover in December: 56
The month with the most cloud cover is November (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility in December
Horta, Portugal
- 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).
Horta, Portugal
Weather forecast for your location
2. Allow the app to use your location
