Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
The coldest temperatures occur during January, when averages reach a peak of 14.9°C (58.8°F) and a low of 10.5°C (50.9°F).Humidity
January is the most humid month, with an average relative humidity of 74%.Rainfall
In Castro Marim, Portugal, during January, the rain falls for 5 days and regularly aggregates up to 7mm (0.28") of precipitation. Throughout the year, there are 51.4 rainfall days, and 90mm (3.54") of precipitation is accumulated.Daylight
The average length of the day in January is 9h and 56min.On the first day of January, sunrise is at 07:43 and sunset at 17:22. On the last day of the month, sunrise is at 07:33 and sunset at 17:52 WET.
Sunshine
January has the least sunshine of the year, with an average of 6.2h of sunshine.UV index
The months with the lowest UV index in Castro Marim, Portugal, are January through March, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in January suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Castro Marim?
What are January temperatures in Castro Marim?
What is the most humid month in Castro Marim?
What is the average humidity in January in Castro Marim?
How much does it rain in Castro Marim in January?
What is the average length of the day in January in Castro Marim?
When is the sunrise / sunset in January in Castro Marim?
What is the month with the least sunshine in Castro Marim?
How long on average sun shines in January in Castro Marim?
When is the lowest UV index in Castro Marim?
How high is the UV index in January in Castro Marim?
Average temperature in January
Castro Marim, Portugal
- Average high temperature in January: 14.9°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in January: 10.5°C
The month with the highest average low temperature is August (20.4°C).
The coldest month (with the lowest average low temperature) is February (10.3°C).
Average pressure in January
Castro Marim, Portugal
- Average pressure in January: 1022.3mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The months with the lowest atmospheric pressure are April and August (1015.3mbar).
Average wind speed in January
Castro Marim, Portugal
- Average wind speed in January: 17km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is September (12.2km/h).
Average humidity in January
Castro Marim, Portugal
- Average humidity in January: 74%
The month with the highest relative humidity is January (74%).
The months with the lowest relative humidity are July and August (60%).
Average rainfall in January
Castro Marim, Portugal
- Average rainfall in January: 7mm
The wettest months (with the highest rainfall) are April and November (15mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in January
Castro Marim, Portugal
- Average rainfall days in January: 5 days
The month with the highest number of rainy days is April (8.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in January /
Average sunshine in January
Castro Marim, Portugal
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in January
Castro Marim, Portugal
- Average sunshine days in January: 24.4 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is April (20 days).
Average UV index in January
Castro Marim, Portugal
- Average UV index in January: 4
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in January
Castro Marim, Portugal
- Average cloud cover in January: 29
The months with the most cloud cover are January and April (Cloud cover 29).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Castro Marim, Portugal
- Average visibility in January: 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).
