August weather forecast
Ithaca, NY

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A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York
A stream of water flowing downstream from the Taughannock Waterfall in Ithaka, New York

Weather in August

August weather stays akin to July, with high temperatures and abundant sunshine, but the nights start to cool down slightly. The warm weather persists, but a dwindling daylight hour implies the onset of fall is near. Make the most of the summer sun before the weather cools down in the coming weeks.

Temperature

August experiences an average high-temperature of a still warm 76.5°F (24.7°C), barely different from July's 78.8°F (26°C). An average nighttime temperature of 55.9°F (13.3°C) is observed during August.

Humidity

The average relative humidity in August is 81%.

Rainfall

In August, the rain falls for 17.4 days. Throughout August, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 164.2 rainfall days, and 32.56" (827mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 51min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:41 pm EDT.

Sunshine

In Ithaca, the average sunshine in August is 9.6h.

UV index

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 during August leads to these advisories:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

The high-temperature, in August, in Ithaca, records 76.5°F (24.7°C), while the low-temperature is 55.9°F (13.3°C).

What is the average humidity in August?

In Ithaca, the average relative humidity in August is 81%.

How much does it rain in August?

In Ithaca, during August, the rain falls for 17.4 days and regularly aggregates up to 3.03" (77mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

In Ithaca, the average day length in August is 13h and 51min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:41 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August is 9.6h.

How high is the UV index in August?

In Ithaca, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Ithaca, NY

Average temperature in August - Ithaca, NY
  • Average high temperature in August: 76.5°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in August: 55.9°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in August
Ithaca, NY

Average pressure in August - Ithaca, NY
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Ithaca, NY

Average wind speed in August - Ithaca, NY
  • Average wind speed in August: 5.8mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in August
Ithaca, NY

Average humidity in August - Ithaca, NY
  • Average humidity in August: 81%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (79%).

Average rainfall in August
Ithaca, NY

Average rainfall in August - Ithaca, NY
  • Average rainfall in August: 3.03"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is November (1.97").

Average rainfall days in August
Ithaca, NY

Average rainfall days in August - Ithaca, NY
  • Average rainfall days in August: 17.4 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in August
Ithaca, NY

Average snowfall in August - Ithaca, NY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Ithaca, NY

Average snowfall days in August - Ithaca, NY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Ithaca, NY

Average daylight in August / Average sunshine in August - Ithaca, NY
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in August
Ithaca, NY

Average sunshine days in August - Ithaca, NY
  • Average sunshine days in August: 10.9 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.8 days).

Average UV index in August
Ithaca, NY

Average UV index in August - Ithaca, NY
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Ithaca, NY

Average cloud cover in August - Ithaca, NY
  • Average cloud cover in August: 38

The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).

Average visibility in August
Ithaca, NY

Average visibility in August - Ithaca, NY
  • Average visibility in August: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Ithaca, New York, USA

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