Weather in St Helier in August 2019

  • 20°C maximum daytime temperature in August in St Helier20
    20°C max day temperature
  • 8 hours of sunshine per day (52% of daylight hours) in August in St Helier8
    8 hours of sunshine per day
  • 11 days with some rainfall in August in St Helier11
    11 days with some rainfall
  • 14°C minimum night-time temperature in August in St Helier14
    14°C min night temperature
  • 14 hours of daylight per day in August in St Helier14
    14 hours of daylight per day
  • No heat & humidity in August in St Helier0
    No heat & humidity
  • 52 mm monthly rainfall in August in St Helier52
    52 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in St Helier6
    6 (High) UV index
  • 18°C sea temperature in August in St Helier18
    18°C sea temperature

Going to St Helier? Find the best month to visit St Helier based on the weather.

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

Expect 20°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Helier in August. Check more long-term weather averages for St Helier in August before you book your next holiday to Jersey in 2019/2020.

  • Find cheap flights to Jersey with Skyscanner
  • Search by departure airport to find best airline routes
  • Enter exact dates, months or find the cheapest month

More about St Helier

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

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

Guide to St Helier weather in August

The average maximum daytime temperature in St Helier in August is a comfortable 20°C (68°F). The average night-time temperature is usually a comfortable 14°C (57°F). There are usually 8 hours of bright sunshine each day, which represents 52% of the 14 hours of daylight.

Expect 52mm (2.0 inches) of rainfall across the whole of August with 11 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 Helier in August is 18°C (64°F).

St Helier sunrise & sunset times for August 2019

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 05:40 20:49
Friday, 2nd August 2019 05:41 20:47
Saturday, 3rd August 2019 05:43 20:46
Sunday, 4th August 2019 05:44 20:44
Monday, 5th August 2019 05:46 20:42
Tuesday, 6th August 2019 05:47 20:41
Wednesday, 7th August 2019 05:48 20:39
Thursday, 8th August 2019 05:50 20:38
Friday, 9th August 2019 05:51 20:36
Saturday, 10th August 2019 05:53 20:34
Sunday, 11th August 2019 05:54 20:32
Monday, 12th August 2019 05:55 20:31
Tuesday, 13th August 2019 05:57 20:29
Wednesday, 14th August 2019 05:58 20:27
Thursday, 15th August 2019 06:00 20:25
Friday, 16th August 2019 06:01 20:23
Saturday, 17th August 2019 06:03 20:22
Sunday, 18th August 2019 06:04 20:20
Monday, 19th August 2019 06:05 20:18
Tuesday, 20th August 2019 06:07 20:16
Wednesday, 21st August 2019 06:08 20:14
Thursday, 22nd August 2019 06:10 20:12
Friday, 23rd August 2019 06:11 20:10
Saturday, 24th August 2019 06:13 20:08
Sunday, 25th August 2019 06:14 20:06
Monday, 26th August 2019 06:15 20:04
Tuesday, 27th August 2019 06:17 20:02
Wednesday, 28th August 2019 06:18 20:00
Thursday, 29th August 2019 06:20 19:58
Friday, 30th August 2019 06:21 19:56
Saturday, 31st August 2019 06:23 19:54
  • Save an extra 10% on selected hotels with Hotels.com
  • Destinations across Europe, Asia, Africa & the Americas
  • Travel before 4th May 2019 (inclusive)
Show discount codeShow discount code ******118

Expires at 23:59 on Sunday 18th Nov 2018 · View all Hotels.com offers

Back to top

More Jersey destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

Related posts

Popular travel offers

Top ^