Commack, United States — Weather in August 2026

Climate Overview

Commack, United States in August has warm conditions, with highs averaging 26.3°C (79°F). Rain falls on about 10 days this month. Sea temperature averages 23.7°C (75°F).

This month falls at the end of Summer.

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

August sees fairly even rainfall, totalling about 88 mm across the month.

Expect around 11.5h of sunshine at the start of August, decreasing to 10.8h by the end.

The warmest days tend to fall around the 12th, averaging 27.3°C (81°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

26°C / 21°C

Feels Like

29°C / 23°C

Rain

10 days · 88 mm

Sunshine

11h / day

Humidity

77% — Humid

Wind

21 km/h

Wind Direction

SSW (211°)

Gusts

35 km/h

Daylight

13.7 h

Cloud Cover

54%

Clear Sky Days

4.8

UV Index

6.6 — High

Sea Temperature

24°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 06:05

Daylight 13.8h

Sunset 19:54

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	4°C / -1°C	-1°C / -7°C	10days (101 mm) Wet	6.1h Fair	70% Muggy	2.4 Moderate	Poor	View Details
February	6°C / 0°C	1°C / -6°C	10days (103 mm) Wet	6.8h Fair	72% Muggy	3.4 Moderate	Poor	View Details
March	9°C / 2°C	5°C / -3°C	11days (111 mm) Wet	8.4h Good	69% Muggy	4.6 Moderate	Poor	View Details
April	13°C / 7°C	11°C / 3°C	11days (111 mm) Wet	9.2h Good	72% Muggy	5.4 High	Fair	View Details
May	18°C / 12°C	18°C / 9°C	12days (108 mm) Wet	10h Excellent	77% Humid	6.3 High	Good	View Details
June best	24°C / 18°C	25°C / 17°C	9days (73 mm) Wet	11.6h Excellent	77% Humid	7.1 Very High	Excellent	View Details
July best	27°C / 22°C	31°C / 24°C	11days (102 mm) Wet	11.9h Excellent	79% Humid	7.3 Very High	Excellent	View Details
August best	26°C / 21°C	29°C / 23°C	10days (88 mm) Wet	11h Excellent	77% Humid	6.6 High	Excellent	View Details
September best	23°C / 18°C	24°C / 18°C	9days (106 mm) Wet	9.1h Good	77% Humid	5.1 High	Excellent	View Details
October	18°C / 13°C	17°C / 10°C	10days (123 mm) Wet	7.7h Good	75% Muggy	4.1 Moderate	Good	View Details
November	12°C / 7°C	8°C / 2°C	8days (89 mm) Wet	7h Good	70% Muggy	2.9 Moderate	Fair	View Details
December	7°C / 2°C	2°C / -4°C	11days (132 mm) Wet	5.7h Fair	72% 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 Commack?

August is typically excellent for visiting Commack, with average highs of 26°C (79°F) and around 10 rainy days. Commack, United States in August has warm conditions, with highs averaging 26.3°C (79°F). Rain falls on about 10 days th

Does it rain a lot in Commack in August?

Commack typically sees around 10 rainy days in August with 88 mm (3.5 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Commack in August?

Nights stay pleasantly warm in Commack during August, around 21°C (71°F). Light evening wear is sufficient.

What should I pack for Commack in August?

With highs of 26°C (79°F) and lows of 21°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 Commack?

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

What is the UV index in Commack in August?

The average UV index in Commack 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 Commack in August?

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

Does it snow in Commack in August?

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

Last updated: