August weather forecastViana, Spain
August
Weather in August
The last month of the summer, August, is another warm month in Viana, Spain, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 14.7°C (58.5°F).Temperature
With its high average temperature of 28.3°C (82.9°F) and a low of 14.7°C (58.5°F), August is regarded as the warmest month.Heat index
The heat index value during August is calculated to be a tropical 30°C (86°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
With an average relative humidity of 62%, August is the least humid month in Viana, Spain.Rainfall
In Viana, in August, during 6.7 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Viana, Spain, during the entire year, the rain falls for 133.7 days and collects up to 275mm (10.83") of precipitation.Snowfall
In Viana, snow does not fall in April through November.Daylight
In Viana, the average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 07:02 and sunset at 21:29. On the last day of August, in Viana, sunrise is at 07:34 and sunset at 20:45 CEST.
Sunshine
The average sunshine in August is 9.8h.UV index
The average daily maximum UV index in August in Viana, Spain, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during August translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Viana, Spain
- 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 (8.8°C).
- Average low temperature in August: 14.7°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in August
Viana, Spain
- Average pressure in August: 1017.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in August
Viana, Spain
- Average wind speed in August: 9.3km/h
The windiest month (with the highest average wind speed) is February (13.3km/h).
The calmest month (with the lowest average wind speed) is September (9km/h).
Average humidity in August
Viana, Spain
- Average humidity in August: 62%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (62%).
Average rainfall in August
Viana, Spain
- Average rainfall in August: 12mm
The wettest month (with the highest rainfall) is November (37mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in August
Viana, Spain
- Average rainfall days in August: 6.7 days
The month with the highest number of rainy days is April (14.4 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in August
Viana, Spain
- Average snowfall in August: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Viana, Spain
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in August /
Average sunshine in August
Viana, Spain
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in August
Viana, Spain
- Average sunshine days in August: 20.1 days
The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are April and May (11.8 days).
Average UV index in August
Viana, Spain
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in August
Viana, Spain
- Average cloud cover in August: 19
The months with the most cloud cover are January and November (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in August
Viana, Spain
- Average visibility in August: 10km
The months with the highest visibility are June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April, May and November (9km).





