St John's weather in August 2019

  • 20°C maximum daytime temperature in August in St John's20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in August in St John's14
    14 days with some rainfall
  • 11°C minimum night-time temperature in August in St John's11
    11°C min night temperature
  • 14 hours of daylight per day in August in St John's14
    14 hours of daylight per day
  • No heat & humidity in August in St John's0
    No heat & humidity
  • 119 mm monthly rainfall in August in St John's119
    119 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in St John's6
    6 (High) UV index
  • 14°C sea temperature in August in St John's14
    14°C sea temperature

Going to St John's? Find the best month to visit St John's based on the weather.

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Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in St John's in August. Check more long-term weather averages for St John's in August before you book your next holiday to Newfoundland & Labrador in 2019/2020.

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More about St John's

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The August weather guide for St John's, Newfoundland & Labrador shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to St John's weather in August

The average maximum daytime temperature in St John's in August is a comfortable 20°C (68°F). The average night-time temperature is usually a cool 11°C (52°F). There are usually 6 hours of bright sunshine each day, which represents 42% of the 14 hours of daylight.

Expect 119mm (4.7 inches) of rainfall across the whole of August with 14 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

The average sea temperature in and around St John's in August is 14°C (57°F).

St John's sunrise & sunset times for August 2019

Browse the sunrise & sunset times for St John's in August 2019. Select a month to view St John's sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 05:38 20:36
Friday, 2nd August 2019 05:39 20:34
Saturday, 3rd August 2019 05:41 20:33
Sunday, 4th August 2019 05:42 20:31
Monday, 5th August 2019 05:43 20:30
Tuesday, 6th August 2019 05:45 20:28
Wednesday, 7th August 2019 05:46 20:27
Thursday, 8th August 2019 05:47 20:25
Friday, 9th August 2019 05:49 20:24
Saturday, 10th August 2019 05:50 20:22
Sunday, 11th August 2019 05:51 20:20
Monday, 12th August 2019 05:52 20:19
Tuesday, 13th August 2019 05:54 20:17
Wednesday, 14th August 2019 05:55 20:15
Thursday, 15th August 2019 05:56 20:14
Friday, 16th August 2019 05:58 20:12
Saturday, 17th August 2019 05:59 20:10
Sunday, 18th August 2019 06:00 20:08
Monday, 19th August 2019 06:02 20:06
Tuesday, 20th August 2019 06:03 20:05
Wednesday, 21st August 2019 06:04 20:03
Thursday, 22nd August 2019 06:06 20:01
Friday, 23rd August 2019 06:07 19:59
Saturday, 24th August 2019 06:08 19:57
Sunday, 25th August 2019 06:10 19:55
Monday, 26th August 2019 06:11 19:54
Tuesday, 27th August 2019 06:12 19:52
Wednesday, 28th August 2019 06:14 19:50
Thursday, 29th August 2019 06:15 19:48
Friday, 30th August 2019 06:16 19:46
Saturday, 31st August 2019 06:18 19:44
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