Portland weather in July

In July, Portland sees average daytime highs of 89°F and overnight lows near 78°F, with 2.2 in of rain across 8.6 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 89°F through the month. The sky is clear or mostly clear about 53% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 42 min at the start of July to 13 h 24 min by month's end. Set against the rest of the year, July is Portland's 3rd-clearest and 5th-windiest month. For the whole year in context, see Portland's year-round climate.

Daytime high
89°
2nd warmest
Overnight low
78°
12th coldest
Rainfall
2.2 in
8.6 wet days
Daylight
13 h 36 min
5:47 AM – 7:23 PM
Cloud cover
46%
3rd clearest
Wind
11 mph
5th windiest
Solar energy
6.6 kWh/m²
Travel score
4.5
out of 10

Portland is city in Texas, United States.

Density
580/km²
people per km²

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 89°F through the month.

A typical July day in Portland reaches about 89°F in the afternoon and slips back to 78°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 86°F and 91°F. Set against its neighbours, July runs about 1°F warmer than June and on par with August.

70°80°90°151015202531
Avg high (°F)Avg low (°F)
18878
28878
38878
48878
58878
68878
78878
88878
98878
108878
118978
128978
138978
148978
158978
168978
178978
188978
198978
208978
218978
228978
238978
248978
258978
268978
278978
288978
298978
308978
318978

How July really feels in Portland

Once humidity and wind are folded in, July averages 31 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
31
18 feel dangerously hot (≥ 102°F)
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Portland weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 51°2.16.510.46.5
Feb68° / 54°1.55.2116.9
Mar73° / 60°2.26.211.87.4
Apr78° / 66°2.06.412.67.4
May83° / 73°2.78.813.46.1
Jun87° / 77°2.910.213.74.8
Jul89° / 78°2.28.613.64.5
Aug89° / 78°2.39.7134.2
Sep87° / 75°4.313.812.24.5
Oct81° / 67°3.48.811.36.8
Nov73° / 59°2.26.810.67.4
Dec67° / 52°2.16.310.36.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26634
36634
46634
56634
66634
76832
86832
96832
106832
116931
126931
136931
146931
156931
166931
176931
186931
196931
206931
216931
226931
236931
246931
256931
266931
277030
287030
297030
307129
317129

Chance of precipitation in July

Any precipitation

Portland gets around 2.2 in of rain over 8.6 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 28% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
434
533
632
731
830
929
1028
1127
1226
1326
1426
1525
1625
1725
1825
1925
2025
2126
2226
2326
2426
2526
2626
2725
2825
2925
3024
3124

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
112574
212475
312475
412376
512277
612277
712178
812079
902080
1001981
1101981
1201882
1301783
1401783
1501684
1601684
1701585
1801585
1911485
2011485
2111485
2211386
2311386
2411386
2511386
2611386
2711485
2811485
2911485
3011485
3111485

Wind in July

Winds average 11 mph in July.

Across July, daily wind ranges from about 10 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 42 min at the start of July to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:40 AM to 5:55 AM, and sunset from 7:25 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:407:25
213.75:417:25
313.75:417:25
413.75:417:25
513.75:427:25
613.75:427:25
713.75:437:25
813.75:437:25
913.75:437:25
1013.75:447:25
1113.75:447:24
1213.75:457:24
1313.65:457:24
1413.65:467:24
1513.65:467:23
1613.65:477:23
1713.65:477:23
1813.65:487:22
1913.65:487:22
2013.65:497:22
2113.55:497:21
2213.55:507:21
2313.55:507:20
2413.55:517:20
2513.55:517:20
2613.55:527:19
2713.45:527:18
2813.45:537:18
2913.45:547:17
3013.45:547:17
3113.45:557:16

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.6 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.76 kWh/m² to a high of 6.6 kWh/m² in July across the year — July's 6.6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.7Intense
186.7Intense
196.7Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in July

Hazard calendar for Portland

In seasonPeak

In July, Portland sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Portland sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Portland?

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

4.5
Sightseeing
10th-best month of the year
7.0
Beach & pool
3rd-best month of the year

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

What to pack for Portland in July

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

In July, Portland sees daytime highs around 89°F and nights near 78°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

Sea temperature near Portland in July

The nearest coast averages about 83°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 mi away) is warmest in September at about 84°F and coldest in February near 64°F.

It's comfortable for a long swim from Mar 29 to Dec 20 — about 8.8 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan65Cool
Feb64Cool
Mar66Cool
Apr71Refreshing
May77Warm
Jun82Tropical
Jul83Tropical
Aug84Tropical
Sep84Tropical
Oct80Warm
Nov73Refreshing
Dec69Refreshing

UV index in Portland in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Portland peaks around June 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 16UV 11Dec 21UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar7High
Apr10Very high
May11Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5High
Dec4Moderate

Air quality in Portland in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Portland is worst in July — around 20 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1419 µg/m³Nov 116 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Good
Apr12Good
May16Moderate
Jun17Moderate
Jul20Moderate
Aug13Moderate
Sep11Good
Oct6Good
Nov6Good
Dec7Good
Location & terrain

Where is Portland?

Portland sits at 27.9°N, 97.3°W, 43 ft above sea level, in United States. The nearest listed city is Corpus Christi, 6.8 mi away.

Topography around Portland

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

Within 2 miles, the terrain around Portland has only modest variations in elevation — a maximum elevation change of 56 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 115 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 394 ft.

The land around Portland is covered by water (47%) and artificial surfaces (25%) within 2 miles, water (38%) and cropland (33%) within 10 miles, and water (33%), grassland (23%) and cropland (20%) within 50 miles.

2 miles
56 ft
10 miles
115 ft
50 miles
394 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Corpus Christi 6.8 mi · Kingsville 41 mi · Alice 47 mi · Victoria 67 mi · Bay City 112 mi · Harlingen 119 mi · Edinburg 121 mi · San Benito 122 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 Portland (27.8773°, -97.3239°, elevation 43 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).