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
The average high-temperature during December registers at a still warm 26.5°C (79.7°F), closely corresponding to the preceding month. Porto Firme witnesses an average low-temperature of 18.5°C (65.3°F) throughout the month of December.Humidity
The average relative humidity in December in Porto Firme, Brazil, is 88%.Rainfall
The month with the most rainfall in Porto Firme is December, when the rain falls for 28.6 days and typically aggregates up to 241mm (9.49") of precipitation.Daylight
The month with the longest days in Porto Firme is December, with an average of 13h and 24min of daylight.On the first day of the month, sunrise is at 05:02 and sunset at 18:20. On the last day of December, in Porto Firme, sunrise is at 05:14 and sunset at 18:36 -03.
Sunshine
In December, the average sunshine is 6.9h.UV index
February through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 in December translates into these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What are the temperatures in Porto Firme in December?
What is the average humidity in December in Porto Firme?
What is the wettest month in Porto Firme?
How much does it rain in Porto Firme in December?
When are the longest days in Porto Firme?
How many hours of daylight does Porto Firme have in December?
What time are sunrise and sunset in December in Porto Firme?
How long on average sun shines in December in Porto Firme?
When is the lowest UV index in Porto Firme?
How high is the UV index in December in Porto Firme?
Average temperature in December
Porto Firme, Brazil
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is February (27.1°C).
The month with the lowest average high temperature is June (22.3°C).
- Average low temperature in December: 18.5°C
The month with the highest average low temperature is January (18.6°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).
Average pressure in December
Porto Firme, Brazil
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in December
Porto Firme, Brazil
- Average wind speed in December: 7.7km/h
The windiest months (with the highest average wind speed) are September and October (8.6km/h).
The calmest month (with the lowest average wind speed) is April (6km/h).
Average humidity in December
Porto Firme, Brazil
- Average humidity in December: 88%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is September (73%).
Average rainfall in December
Porto Firme, Brazil
- Average rainfall in December: 241mm
The wettest month (with the highest rainfall) is December (241mm).
The driest month (with the least rainfall) is July (12mm).
Average rainfall days in December
Porto Firme, Brazil
- Average rainfall days in December: 28.6 days
The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is August (8.3 days).
Average daylight in December /
Average sunshine in December
Porto Firme, Brazil
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in December
Porto Firme, Brazil
- Average sunshine days in December: 0.6 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is December (0.6 days).
Average UV index in December
Porto Firme, Brazil
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Porto Firme, Brazil
- Average cloud cover in December: 60
The months with the most cloud cover are March and April (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Porto Firme, Brazil
- Average visibility in December: 7km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are March, April and May (6km).
Porto Firme, Brazil
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