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
São Sebastião do Maranhão's average high-temperature marks a still warm 26°C (78.8°F) with the advent of December, closely mirroring that of the preceding month. São Sebastião do Maranhão, in the month of December, anticipates a consistent average low-temperature of 18°C (64.4°F).Humidity
The average relative humidity in December in São Sebastião do Maranhão is 87%.Rainfall
December is the month with the most rainfall. Rain falls for 26.8 days and accumulates 211mm (8.31") of precipitation.Daylight
With an average of 13h and 12min of daylight, December has the longest days of the year.On the first day of December in São Sebastião do Maranhão, sunrise is at 05:05 and sunset at 18:13. On the last day of the month, sunrise is at 05:17 and sunset at 18:29 -03.
Sunshine
The average sunshine in December in São Sebastião do Maranhão is 6.8h.UV index
The months with the lowest UV index in São Sebastião do Maranhão are February through August, October through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in São Sebastião do Maranhão?
What is the average humidity in December in São Sebastião do Maranhão?
What is the rainiest month in São Sebastião do Maranhão?
How much does it rain in São Sebastião do Maranhão in December?
When are the longest days in São Sebastião do Maranhão?
What is the average length of the day in December in São Sebastião do Maranhão?
When is the sunrise / sunset in December in São Sebastião do Maranhão?
How long on average sun shines in December in São Sebastião do Maranhão?
What are the months with the lowest UV index in São Sebastião do Maranhão?
How high is the UV index in December in São Sebastião do Maranhão?
Average temperature in December
São Sebastião do Maranhão, Brazil
- Average high temperature in December: 26°C
The warmest month (with the highest average high temperature) is October (27.3°C).
The month with the lowest average high temperature is June (22.7°C).
- Average low temperature in December: 18°C
The month with the highest average low temperature is December (18°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).
Average pressure in December
São Sebastião do Maranhão, Brazil
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1013mbar).
Average wind speed in December
São Sebastião do Maranhão, Brazil
- Average wind speed in December: 6.6km/h
The windiest months (with the highest average wind speed) are September and October (8km/h).
The calmest months (with the lowest average wind speed) are March and May (5.9km/h).
Average humidity in December
São Sebastião do Maranhão, Brazil
- Average humidity in December: 87%
The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is September (70%).
Average rainfall in December
São Sebastião do Maranhão, Brazil
- Average rainfall in December: 211mm
The wettest month (with the highest rainfall) is December (211mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in December
São Sebastião do Maranhão, Brazil
- Average rainfall days in December: 26.8 days
The month with the highest number of rainy days is December (26.8 days).
The month with the least rainy days is July (5.7 days).
Average daylight in December /
Average sunshine in December
São Sebastião do Maranhão, Brazil
- Average daylight in December: 13h and 1min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is September (Average sunshine: 8h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in December
São Sebastião do Maranhão, Brazil
- Average sunshine days in December: 2.8 days
The month with the most sunshine days is July (23 days).
The month with the least sunshine days is December (2.8 days).
Average UV index in December
São Sebastião do Maranhão, Brazil
- Average UV index in December: 5
The months with the highest UV index are January and September (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, October, November and December (UV index 5).
Average cloud cover in December
São Sebastião do Maranhão, Brazil
- Average cloud cover in December: 63
The month with the most cloud cover is April (Cloud cover 68).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
São Sebastião do Maranhão, Brazil
- Average visibility in December: 7km
The month with the highest visibility is September (9km).
The months with the lowest visibility are January, February, March, April, May and June (6km).
