Temperatures in August
It's cool to moderate in August in Lewis with an average temperature of 17°C. Temperatures this month range from a low of 16°C to a high of 17°C. At night, you can expect temperatures between 10°C and 13°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Lewis in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Lewis with cool temperatures, averaging around 17°C during the day and nights close to 12°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-August
By mid-August, the average daytime temperature stays the same at 17°C, with nights close to 12°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of August
By the end of August, the average daytime temperature in Lewis will be around 17°C, with nights close to 11°C. A shower might show up, but overall the weather will be dry and sunny.
Precipitation in August
In August, there is an average of 82 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the South.
The average precipitation chance is 49% per day this month. Though it seems average, the weather’s variable. Some days have a lower chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Lewis. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Lewis in August |
London | ||
|---|---|---|---|
 Average Temperature |
17°C | 22°C | |
 High Temp |
17°C | 24°C | |
| Low Temp |
16°C | 19°C | |
 Total Precipitation |
82 mm | 60 mm | |
| Rainy Days |
15 days | 10 days | |
July
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is August a good time to visit Lewis?
Looking for sun and warm weather? Then August isn’t the best time to be in Lewis. The temperature is too low this month for a warm stay.
Temperature records for Lewis in August
With 23°C, Lewis hit the highest temperature in the last 10 years in August 2023. The lowest daytime temperature in this month was 11°C in 2018. The extreme night temperatures ranged from a low of 3°C to a high of 16°C.
Check out the climate of Lewis for all months and discover the best travel time
Daily Temperature in August in Lewis
This chart shows the average daily temperatures, both day and night, for each day in August in Lewis, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Lewis
The chart below shows the average daily precipitation in August for Lewis, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 15 days of rain in Lewis.
Daily UV Index in August in Lewis
This chart shows the average daily UV index in August in Lewis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Lewis Over the Years
This chart shows the average temperature in August in Lewis, measured in degrees Celsius, over the past years.
Total Precipitation in August in Lewis Over the Years
This chart shows the average precipitation in August in Lewis, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Lewis
Click on a specific day in August for detailed info on the typical weather on that day in Lewis. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Lewis
Have you been to Lewis in August?
Share your weather experience in August in Lewis.
Average Weather in Lewis by Month
Click on a month below to see detailed weather info for Lewis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
