Ithaca weather in July

In July, Ithaca sees average daytime highs of 79°F and overnight lows near 62°F, with 3.8 in of rain across 12.4 wet days and about 14.8 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 79°F through the month. The sky is clear or mostly clear about 28% of the time in July, and the air most often feels humid.

Daylight stretches from about 15 h 06 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Ithaca's 2nd-clearest and 11th-windiest month. For the whole year in context, see Ithaca's year-round climate.

Daytime high
79°
1st warmest
Overnight low
62°
12th coldest
Rainfall
3.8 in
12.4 wet days
Daylight
14 h 48 min
4:47 AM – 7:36 PM
Cloud cover
58%
2nd clearest
Wind
5 mph
11th windiest
Solar energy
5.94 kWh/m²
Travel score
6.3
out of 10

Ithaca is city in Tompkins County, New York, USA, enclosed by the town of the same name.

Density
1,958/km²
people per km²
Founded
1888

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 79°F through the month.

A typical July day in Ithaca reaches about 79°F in the afternoon and slips back to 62°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 87°F. Set against its neighbours, July runs about 4°F warmer than June and about 2°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
17860
27860
37860
47861
57961
67961
77961
87961
97961
107961
117962
127962
137962
147962
157962
167962
177962
187962
197962
207962
217962
227962
237962
247962
257962
267962
277962
287962
297962
307962
317962

How July really feels in Ithaca

Once humidity and wind are folded in, July averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ithaca weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 18°2.81210.89.20.0
Feb33° / 19°2.510.48.410.30.0
Mar42° / 26°3.512.37.111.60.4
Apr55° / 37°3.913.32.613.13.2
May66° / 48°3.613.20.114.45.6
Jun75° / 57°3.911.70156.5
Jul79° / 62°3.812.4014.86.3
Aug77° / 60°3.411.3013.76.7
Sep70° / 53°3.810.4012.36.4
Oct58° / 43°4.113.10.510.84.0
Nov46° / 33°3.312.24.19.61.2
Dec36° / 25°3.412.59.18.90.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 24% of July, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35248
45248
55347
65446
75446
85446
95446
105446
115446
125446
135446
145347
155347
165347
175149
185149
195050
204951
214951
224951
234951
244951
255050
265050
275050
285050
295248
305248
315347

Chance of precipitation in July

Any precipitation

Ithaca gets around 3.8 in of rain over 12.4 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
239
339
439
538
638
738
838
938
1039
1139
1239
1339
1439
1539
1639
1739
1840
1940
2040
2141
2241
2341
2442
2542
2642
2742
2842
2941
3041
3141

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the humid band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1292727153
2282727153
3282627163
4272627163
5272627163
6272627174
7272528174
8272428183
9262429183
10252329193
11252330203
12242230203
13232231213
14232231223
15222231222
16212232232
17202232232
18202332242
19192333242
20182333242
21172433242
22172433242
23162534242
24152534242
25152634232
26152634232
27152634232
28152734222
29152734222
30162734222
31162734211

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 06 min at the start of July to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:37 AM to 5:01 AM, and sunset from 7:42 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:377:42
215.14:387:41
315.14:387:41
415.04:397:41
515.04:397:41
615.04:407:41
715.04:407:40
815.04:417:40
915.04:427:40
1014.94:427:39
1114.94:437:39
1214.94:447:38
1314.94:457:38
1414.94:457:37
1514.84:467:37
1614.84:477:36
1714.84:487:36
1814.84:497:35
1914.74:497:34
2014.74:507:34
2114.74:517:33
2214.74:527:32
2314.64:537:31
2414.64:547:30
2514.64:557:29
2614.54:567:28
2714.54:577:27
2814.54:587:26
2914.44:597:25
3014.45:007:24
3114.45:017:23

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.94 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 5.99 kWh/m² in June across the year — July's 5.94 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Ithaca?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.3
Sightseeing
4th-best month of the year
6.1
Beach & pool
1st-best month of the year

July is a reasonable time to visit Ithaca for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ithaca in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Ithaca sees daytime highs around 79°F and nights near 62°F. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Ithaca in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ithaca peaks around July 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 11UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May8Very high
Jun8Very high
Jul9Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Ithaca?

Ithaca sits at 42.4°N, 76.5°W, 410 ft above sea level, in United States. The nearest listed city is Cortland, 19 mi away.

Topography around Ithaca

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Ithaca.

Within 2 miles, the terrain around Ithaca has significant variations in elevation — a maximum elevation change of 919 ft around an average of 686 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,772 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,060 ft.

The land around Ithaca is covered by trees (59%) within 2 miles, trees (65%) and grassland (20%) within 10 miles, and trees (66%) within 50 miles.

2 miles
919 ft
10 miles
1,772 ft
50 miles
2,060 ft
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Cortland 19 mi · Elmira 29 mi · Vestal 34 mi · Auburn 34 mi · Binghamton 38 mi · Syracuse 45 mi · Clay 54 mi · Cicero 54 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ithaca (42.4406°, -76.4966°, elevation 410 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).