Trinity, Jersey — Weather in August 2026

Climate Overview

Trinity, Jersey in August has mild conditions, with highs averaging 18.5°C (65°F) and noticeably cooler mornings. Winds are noticeable. Sea temperature stays cool at 19.5°C (67°F).

This month falls at the end of Summer.

Temperatures remain fairly steady throughout August, with daily highs around 18°C (64°F).

August sees fairly even rainfall, totalling about 58 mm across the month.

Expect around 11.6h of sunshine at the start of August, decreasing to 10.9h by the end.

The warmest days tend to fall around the 12th, averaging 19.2°C (67°F).

Monthly August Averages

Temperature

19°C / 16°C

Feels Like

18°C / 14°C

Rain

9 days · 58 mm

Sunshine

11.1h / day

Humidity

81% — Very Humid

Wind

29 km/h

Wind Direction

WNW (288°)

Gusts

38 km/h

Daylight

14.3 h

Cloud Cover

56%

Clear Sky Days

3.3

UV Index

5.8 — High

Sea Temperature

20°C

Dew Point

14°C — Comfortable

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:01

Daylight 14.4h

Sunset 20:28

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	9°C / 6°C	4°C / 0°C	17days (130 mm) Wet	4.3h Fair	78% Humid	1.4 Low	Poor	View Details
February	9°C / 7°C	4°C / 0°C	14days (84 mm) Wet	5.9h Fair	79% Humid	2 Low	Poor	View Details
March	10°C / 7°C	5°C / 1°C	14days (75 mm) Wet	8h Good	79% Humid	3.6 Moderate	Poor	View Details
April	11°C / 8°C	8°C / 3°C	9days (44 mm) Wet	10.6h Excellent	77% Humid	5.2 High	Fair	View Details
May	14°C / 11°C	12°C / 7°C	9days (48 mm) Wet	11.9h Excellent	81% Humid	6.2 High	Fair	View Details
June best	16°C / 14°C	16°C / 11°C	10days (58 mm) Wet	12.1h Excellent	83% Humid	6.6 High	Good	View Details
July best	18°C / 16°C	18°C / 13°C	9days (46 mm) Wet	12.4h Excellent	82% Humid	6.1 High	Excellent	View Details
August best	19°C / 16°C	18°C / 14°C	9days (58 mm) Wet	11.1h Excellent	81% Humid	5.8 High	Excellent	View Details
September	18°C / 15°C	16°C / 12°C	12days (95 mm) Wet	9.5h Good	78% Humid	4.3 Moderate	Fair	View Details
October	15°C / 13°C	12°C / 9°C	16days (131 mm) Wet	7.3h Good	78% Humid	2.8 Moderate	Fair	View Details
November	12°C / 10°C	8°C / 4°C	18days (144 mm) Wet	5.5h Fair	78% Humid	1.6 Low	Wet	View Details
December	10°C / 8°C	5°C / 2°C	17days (143 mm) Wet	3.8h Poor	80% Humid	1.1 Low	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWindbreakerComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Trinity?

August is typically excellent for visiting Trinity, with average highs of 19°C (65°F) and around 9 rainy days. Trinity, Jersey in August has mild conditions, with highs averaging 18.5°C (65°F) and noticeably cooler mornings. Winds

Does it rain a lot in Trinity in August?

Trinity typically sees around 9 rainy days in August with 58 mm (2.3 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Trinity in August?

Evenings in Trinity during August are mild at 16°C (61°F). A light cardigan is usually enough.

What should I pack for Trinity in August?

With highs of 19°C (65°F) and lows of 16°C (61°F) in August, we recommend: Umbrella, Windbreaker, Comfortable walking shoes. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Trinity?

Yes, August offers some of the best weather conditions in Trinity with comfortable temperatures and lower chances of rain.

What is the UV index in Trinity in August?

The average UV index in Trinity during August is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Trinity in August?

Trinity gets approximately 14 hours of daylight per day in August, with around 11 hours of sunshine.

Does it snow in Trinity in August?

Snow is uncommon in Trinity during August based on 10-year climate averages.

Last updated: