December weather forecastTomar, Portugal
December
Weather in December
December, the first month of the winter in Tomar, is still a refreshing month, with an average temperature ranging between max 14.3°C (57.7°F) and min 6.8°C (44.2°F).Temperature
December's onset brings an average high-temperature of a mild 14.3°C (57.7°F), showing a minute difference from November's 16.4°C (61.5°F). During the month of December, an average low-temperature of 6.8°C (44.2°F) is recorded.Humidity
In Tomar, the average relative humidity in December is 79%.Rainfall
In Tomar, during December, the rain falls for 7.3 days and regularly aggregates up to 38mm (1.5") of precipitation. In Tomar, during the entire year, the rain falls for 94.6 days and collects up to 345mm (13.58") of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Tomar, Portugal, sunrise is at 07:35 and sunset at 17:10. On the last day of the month, sunrise is at 07:54 and sunset at 17:19 WET.
Sunshine
The average sunshine in December in Tomar, Portugal, is 5.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 during December translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tomar, Portugal
- Average high temperature in December: 14.3°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (13.4°C).
- Average low temperature in December: 6.8°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).
Average pressure in December
Tomar, Portugal
- Average pressure in December: 1022.7mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in December
Tomar, Portugal
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is July (12.2km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in December
Tomar, Portugal
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Tomar, Portugal
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is April (54mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in December
Tomar, Portugal
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is April (14.1 days).
The month with the least rainy days is August (2.3 days).
Average daylight in December /
Average sunshine in December
Tomar, Portugal
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Tomar, Portugal
- Average sunshine days in December: 23 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (14.6 days).
Average UV index in December
Tomar, Portugal
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Tomar, Portugal
- Average cloud cover in December: 39
The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in December
Tomar, Portugal
- Average visibility in December: 9km
The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and April (8km).
