Brynamman, United Kingdom — Weather in August 2026

Climate Overview

Brynamman, United Kingdom in August has mild conditions, with highs averaging 18.4°C (65°F) and noticeably cooler mornings. Rain falls on about 16 days this month, totalling around 114 mm. Sea temperature stays cool at 18.8°C (66°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 113 mm across the month.

Expect around 10.3h of sunshine at the start of August, decreasing to 9.8h by the end.

Wind speeds ease off through the month, from 21 km/h (13 mph) to 18 km/h (11 mph).

The warmest days tend to fall around the 12th, averaging 20.1°C (68°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

18°C / 13°C

Feels Like

17°C / 11°C

Rain

16 days · 114 mm

Sunshine

10.1h / day

Humidity

83% — Very Humid

Wind

20 km/h

Wind Direction

WSW (249°)

Gusts

43 km/h

Daylight

14.6 h

Cloud Cover

72%

Clear Sky Days

0.8

UV Index

4.9 — Moderate

Sea Temperature

19°C

Dew Point

13°C — Comfortable

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:00

Daylight 14.6h

Sunset 20:39

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	7°C / 2°C	3°C / -2°C	14days (130 mm) Wet	4h Fair	89% Very Muggy	1 Low	Poor	View Details
February	8°C / 3°C	3°C / -2°C	15days (136 mm) Wet	5.2h Fair	86% Very Muggy	1.4 Low	Poor	View Details
March	9°C / 3°C	5°C / -1°C	16days (121 mm) Wet	7.1h Good	84% Humid	3.1 Moderate	Poor	View Details
April	12°C / 4°C	9°C / 1°C	12days (79 mm) Wet	9.6h Good	78% Humid	4.3 Moderate	Poor	View Details
May best	15°C / 8°C	13°C / 5°C	14days (94 mm) Wet	11h Excellent	78% Humid	5.4 High	Fair	View Details
June best	18°C / 11°C	17°C / 9°C	16days (98 mm) Wet	11h Excellent	80% Humid	5.9 High	Good	View Details
July best	19°C / 12°C	18°C / 11°C	15days (100 mm) Wet	11h Excellent	81% Humid	5.2 High	Good	View Details
August best	18°C / 13°C	17°C / 11°C	16days (114 mm) Wet	10.1h Excellent	83% Humid	4.9 Moderate	Good	View Details
September best	16°C / 11°C	15°C / 9°C	15days (134 mm) Wet	7.7h Good	85% Humid	3.5 Moderate	Fair	View Details
October	13°C / 8°C	11°C / 6°C	17days (151 mm) Wet	6.1h Fair	87% Very Muggy	2.3 Moderate	Poor	View Details
November	9°C / 5°C	6°C / 2°C	16days (139 mm) Wet	4.4h Fair	89% Very Muggy	1.2 Low	Poor	View Details
December	8°C / 4°C	4°C / 0°C	18days (166 mm) Wet	3.2h Poor	91% Very Muggy	0.7 Low	Wet	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

UmbrellaWaterproof jacketWaterproof shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Brynamman?

August is typically good for visiting Brynamman, with average highs of 18°C (65°F) and around 16 rainy days. Brynamman, United Kingdom in August has mild conditions, with highs averaging 18.4°C (65°F) and noticeably cooler mornin

Does it rain a lot in Brynamman in August?

Brynamman typically sees around 16 rainy days in August with 114 mm (4.5 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Brynamman in August?

Evenings in Brynamman during August are mild at 13°C (55°F). A light cardigan is usually enough.

What should I pack for Brynamman in August?

With highs of 18°C (65°F) and lows of 13°C (55°F) in August, we recommend: Umbrella, Waterproof jacket, Waterproof shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Brynamman in August?

The average UV index in Brynamman during August is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.

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

Brynamman gets approximately 15 hours of daylight per day in August, with around 10 hours of sunshine.

Does it snow in Brynamman in August?

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

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