Mastic, United States — Weather in August 2026

Climate Overview

Mastic, United States in August has warm conditions, with highs averaging 25.9°C (79°F). Rain falls on about 10 days this month. Sea temperature averages 22.3°C (72°F).

This month falls at the end of Summer.

Temperatures remain fairly steady throughout August, with daily highs around 26°C (79°F).

Rainfall is heaviest during the middle of the month, while the last third tends to be drier.

Expect around 11.4h of sunshine at the start of August, decreasing to 10.8h by the end.

The warmest days tend to fall around the 12th, averaging 26.8°C (80°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

26°C / 22°C

Feels Like

29°C / 23°C

Rain

10 days · 84 mm

Sunshine

10.9h / day

Humidity

78% — Humid

Wind

19 km/h

Wind Direction

SW (223°)

Gusts

33 km/h

Daylight

13.7 h

Cloud Cover

54%

Clear Sky Days

5.3

UV Index

6.6 — High

Sea Temperature

22°C

Dew Point

20°C — Humid

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 06:03

Daylight 13.8h

Sunset 19:52

What to Expect

Daytime temperatures around 26°C (79°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

1 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	5°C / 0°C	0°C / -6°C	10days (100 mm) Wet	6.1h Fair	70% Muggy	2.3 Moderate	Poor	View Details
February	6°C / 0°C	2°C / -5°C	10days (100 mm) Wet	6.8h Fair	72% Muggy	3.4 Moderate	Poor	View Details
March	9°C / 3°C	5°C / -2°C	10days (109 mm) Wet	8.4h Good	69% Muggy	4.6 Moderate	Poor	View Details
April	13°C / 7°C	11°C / 3°C	12days (112 mm) Wet	9.1h Good	72% Muggy	5.4 High	Fair	View Details
May	18°C / 12°C	17°C / 10°C	12days (106 mm) Wet	9.8h Good	77% Humid	6.3 High	Good	View Details
June best	23°C / 18°C	25°C / 17°C	9days (71 mm) Wet	11.4h Excellent	78% Humid	7.1 Very High	Excellent	View Details
July best	27°C / 22°C	30°C / 24°C	11days (104 mm) Wet	11.8h Excellent	80% Humid	7.3 Very High	Excellent	View Details
August best	26°C / 22°C	29°C / 23°C	10days (84 mm) Wet	10.9h Excellent	78% Humid	6.6 High	Excellent	View Details
September best	23°C / 19°C	24°C / 18°C	9days (103 mm) Wet	8.9h Good	77% Humid	5.1 High	Excellent	View Details
October	18°C / 14°C	17°C / 11°C	11days (124 mm) Wet	7.5h Good	75% Muggy	4 Moderate	Good	View Details
November	12°C / 7°C	9°C / 3°C	8days (89 mm) Wet	6.9h Fair	69% Muggy	2.9 Moderate	Fair	View Details
December	7°C / 2°C	3°C / -3°C	11days (135 mm) Wet	5.7h Fair	71% Muggy	2.1 Moderate	Poor	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

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

Packing List

UmbrellaWaterproof jacketBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Mastic?

August is typically excellent for visiting Mastic, with average highs of 26°C (79°F) and around 10 rainy days. Mastic, United States in August has warm conditions, with highs averaging 25.9°C (79°F). Rain falls on about 10 days thi

Does it rain a lot in Mastic in August?

Mastic typically sees around 10 rainy days in August with 84 mm (3.3 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Mastic in August?

Nights stay pleasantly warm in Mastic during August, around 22°C (71°F). Light evening wear is sufficient.

What should I pack for Mastic in August?

With highs of 26°C (79°F) and lows of 22°C (71°F) in August, we recommend: Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. Comfortable walking shoes are essential.

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

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

What is the UV index in Mastic in August?

The average UV index in Mastic during August is 7 (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 Mastic in August?

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

Does it snow in Mastic in August?

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

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