Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
August
Weather in August
Temperature
Castro Marim's August weather reaches an average high of 28.3°C (82.9°F) and an average low of 20.4°C (68.7°F), making it the warmest month.Heat index
The heat index value during August is evaluated at a tropical 30°C (86°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
July and August, with an average relative humidity of 60%, are the least humid months in Castro Marim.Rainfall
July and August are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 1mm (0.04") of rain.Daylight
In August, the average length of the day in Castro Marim is 13h and 33min.On the first day of the month, sunrise is at 06:35 and sunset at 20:37. On the last day of August, in Castro Marim, Portugal, sunrise is at 07:00 and sunset at 19:59 WEST.
Sunshine
In Castro Marim, the average sunshine in August is 11.8h.UV index
The months with the highest UV index in Castro Marim are May through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 during August translates into the following guidance:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Castro Marim?
How hot is it in Castro Marim in August?
What is the least humid month in Castro Marim?
What is the average humidity in August in Castro Marim?
What is the driest month in Castro Marim?
How much does it rain in Castro Marim in August?
What is the average length of the day in August in Castro Marim?
When is the sunrise / sunset in August in Castro Marim?
How many hours of sunshine does Castro Marim have in August?
What are the months with the highest UV index in Castro Marim?
How high is the UV index in August in Castro Marim?
Average temperature in August
Castro Marim, Portugal
- Average high temperature in August: 28.3°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 August: 20.4°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 August
Castro Marim, Portugal
- Average pressure in August: 1015.3mbar
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 August
Castro Marim, Portugal
- Average wind speed in August: 13.5km/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 August
Castro Marim, Portugal
- Average humidity in August: 60%
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 August
Castro Marim, Portugal
- Average rainfall in August: 1mm
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 August
Castro Marim, Portugal
- Average rainfall days in August: 0.8 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 August /
Average sunshine in August
Castro Marim, Portugal
- Average daylight in August: 13h and 4min
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 August: 11h and 5min
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 August
Castro Marim, Portugal
- Average sunshine days in August: 28.9 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 August
Castro Marim, Portugal
- Average UV index in August: 6
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 August
Castro Marim, Portugal
- Average cloud cover in August: 6
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 August
Castro Marim, Portugal
- Average visibility in August: 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).
