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 snowfall in August
- Average snowfall days in August
- Average sea temperature 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
The arrival of August brings an average high-temperature of a still refreshing 18.3°C (64.9°F), nearly identical to July's 18.5°C (65.3°F). Dartmouth's nighttime temperature in August consistently rests at a moderate 13.9°C (57°F).Humidity
The average relative humidity in August is 83%.Rainfall
In Dartmouth, in August, during 18.3 rainfall days, 54mm (2.13") of precipitation is typically accumulated. In Dartmouth, during the entire year, the rain falls for 199.6 days and collects up to 604mm (23.78") of precipitation.Snowfall
March through October are months without snowfall.Sea temperature
The month with the warmest seawater in Dartmouth, United Kingdom, is August, with an average sea temperature of 16.8°C (62.2°F).Note: Swimming in water that is 16.8°C (62.2°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in August in Dartmouth is 14h and 27min.On the first day of August in Dartmouth, sunrise is at 5:43 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 8:00 pm BST.
Sunshine
The average sunshine in August in Dartmouth is 8.3h.UV index
The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In August, a regular UV index of 4 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. 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 is the usual temperature for Dartmouth in August?
What is the average humidity in August in Dartmouth?
How many days does it rain in August in Dartmouth?
When it does not snow in Dartmouth?
What month is the sea warmest in Dartmouth?
What is the sea water temperature in August in Dartmouth?
How many hours of daylight does Dartmouth have in August?
When is the sunrise / sunset in August in Dartmouth?
How long on average sun shines in August in Dartmouth?
How high is the UV index in August in Dartmouth?
Average temperature in August
Dartmouth, United Kingdom
- Average high temperature in August: 18.3°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is February (8.5°C).
- Average low temperature in August: 13.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (5.2°C).
Average pressure in August
Dartmouth, United Kingdom
- Average pressure in August: 1015.5mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in August
Dartmouth, United Kingdom
- Average wind speed in August: 18.2km/h
The windiest month (with the highest average wind speed) is December (26.3km/h).
The calmest month (with the lowest average wind speed) is July (16.9km/h).
Average humidity in August
Dartmouth, United Kingdom
- Average humidity in August: 83%
The months with the highest relative humidity are June and October (84%).
The months with the lowest relative humidity are February, March and April (82%).
Average rainfall in August
Dartmouth, United Kingdom
- Average rainfall in August: 54mm
The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in August
Dartmouth, United Kingdom
- Average rainfall days in August: 18.3 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is September (14.5 days).
Average snowfall in August
Dartmouth, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Dartmouth, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Dartmouth, United Kingdom
- Average sea temperature in August: 16.8°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (9.6°C).
Average daylight in August /
Average sunshine in August
Dartmouth, United Kingdom
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in August: 8h and 2min
The month with the most sunshine is July (Average sunshine: 8h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).
Average sunshine days in August
Dartmouth, United Kingdom
- Average sunshine days in August: 8 days
The month with the most sunshine days is April (11.8 days).
The months with the least sunshine days are August and November (8 days).
Average UV index in August
Dartmouth, United Kingdom
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Dartmouth, United Kingdom
- Average cloud cover in August: 46
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in August
Dartmouth, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are February, April, June, July, September and November (10km).
The months with the lowest visibility are January, March, May, August, October and December (9km).
