Ithaca, United States — Weather in August 2026

Climate Overview

Ithaca, United States in August has warm conditions, with highs averaging 27°C (81°F). Rain falls on about 12 days this month.

This month falls at the end of Summer.

Daily highs in August gradually drop from around 28°C (82°F) at the start to 26°C (78°F) by month's end.

August sees fairly even rainfall, totalling about 105 mm across the month.

Expect around 11.5h of sunshine at the start of August, decreasing to 10.0h by the end.

The warmest days tend to fall around the 11th, averaging 28.2°C (83°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

27°C / 19°C

Feels Like

29°C / 20°C

Rain

12 days · 105 mm

Sunshine

10.6h / day

Humidity

76% — Humid

Wind

13 km/h

Wind Direction

SW (236°)

Gusts

34 km/h

Daylight

13.8 h

Cloud Cover

56%

Clear Sky Days

2.9

UV Index

5.9 — High

Dew Point

18°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 06:14

Daylight 13.9h

Sunset 20:10

What to Expect

Daytime temperatures around 27°C (81°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.

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	2°C / -5°C	-3°C / -10°C	13days (83 mm) Wet	4.7h Fair	76% Humid	2.1 Moderate	Poor	View Details
February	4°C / -5°C	0°C / -10°C	12days (82 mm) Wet	5.8h Fair	74% Muggy	3.2 Moderate	Poor	View Details
March	9°C / -1°C	5°C / -5°C	13days (85 mm) Wet	7.2h Good	70% Muggy	4.2 Moderate	Poor	View Details
April	15°C / 5°C	12°C / 1°C	15days (114 mm) Wet	8.1h Good	71% Muggy	4.7 Moderate	Poor	View Details
May best	21°C / 11°C	21°C / 9°C	14days (103 mm) Wet	9.6h Good	75% Muggy	5.6 High	Good	View Details
June best	25°C / 16°C	27°C / 16°C	12days (98 mm) Wet	11.4h Excellent	74% Muggy	6.4 High	Excellent	View Details
July best	28°C / 19°C	31°C / 21°C	13days (107 mm) Wet	11.8h Excellent	75% Muggy	7 High	Good	View Details
August best	27°C / 19°C	29°C / 20°C	12days (105 mm) Wet	10.6h Excellent	76% Humid	5.9 High	Excellent	View Details
September best	24°C / 15°C	24°C / 15°C	9days (88 mm) Wet	8.9h Good	78% Humid	4.9 Moderate	Excellent	View Details
October	17°C / 10°C	16°C / 8°C	12days (118 mm) Wet	6.8h Fair	78% Humid	3.4 Moderate	Good	View Details
November	9°C / 3°C	6°C / -1°C	14days (86 mm) Wet	5.4h Fair	76% Humid	2.3 Moderate	Poor	View Details
December	4°C / -2°C	0°C / -7°C	15days (93 mm) Wet	4.4h Fair	78% Humid	1.7 Low	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 Ithaca?

August is typically excellent for visiting Ithaca, with average highs of 27°C (81°F) and around 12 rainy days. Ithaca, United States in August has warm conditions, with highs averaging 27°C (81°F). Rain falls on about 12 days this

Does it rain a lot in Ithaca in August?

Ithaca typically sees around 12 rainy days in August with 105 mm (4.1 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Ithaca in August?

Nights stay pleasantly warm in Ithaca during August, around 19°C (65°F). Light evening wear is sufficient.

What should I pack for Ithaca in August?

With highs of 27°C (81°F) and lows of 19°C (65°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 Ithaca?

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

What is the UV index in Ithaca in August?

The average UV index in Ithaca 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 Ithaca in August?

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

Does it snow in Ithaca in August?

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

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