Portland weather in April

In April, Portland sees average daytime highs of 78°F and overnight lows near 66°F, with 2.0 in of rain across 6.4 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 76°F in the first days to 80°F by the end. The sky is clear or mostly clear about 35% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of April to 13 hours by month's end. Set against the rest of the year, April is Portland's 8th-clearest and 2nd-windiest month. For the whole year in context, see Portland's year-round climate.

Daytime high
78°
7th warmest
Overnight low
66°
6th coldest
Rainfall
2.0 in
6.4 wet days
Daylight
12 h 42 min
6:10 AM – 6:49 PM
Cloud cover
54%
8th clearest
Wind
12 mph
2nd windiest
Solar energy
5.56 kWh/m²
Travel score
7.4
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 76°F in the first days to 80°F by the end.

A typical April day in Portland reaches about 78°F in the afternoon and slips back to 66°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 83°F. Set against its neighbours, April runs about 5°F warmer than March and about 5°F cooler than May.

50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17564
27664
37664
47664
57664
67664
77664
87664
97765
107765
117765
127765
137765
147866
157866
167866
177866
187867
197867
207967
217967
227967
237968
247968
258068
268068
278069
288069
298069
308169

How April really feels in Portland

Once humidity and wind are folded in, April 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

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

Portland weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 11th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35149
45248
55347
65446
75347
85347
95446
105446
115446
125446
135446
145446
155446
165446
175446
185446
195446
205446
215446
225446
235545
245545
255644
265644
275644
285644
295743
305743

Chance of precipitation in April

Any precipitation

Portland gets around 2.0 in of rain over 6.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 23% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
121
221
321
421
521
621
721
821
921
1021
1121
1221
1321
1421
1521
1621
1721
1821
1921
2021
2122
2222
2322
2422
2522
2622
2723
2823
2923
3023

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
122121934130
222121933140
322111933150
422111933160
522111932160
622101832170
722101832180
821101832190
921101832190
1020101831200
1119101831210
1218111831220
1318111831230
1417111831240
1516111730250
1615111730270
1714111730280
1813121729290
1912121729301
2012121728311
2111121627321
2210121627341
2310121626352
249111626362
259111525372
269111524392
278111424403
288111423413
298101422424
308101322444

Wind in April

Winds average 12 mph in April.

Across April, daily wind ranges from about 12 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over April. Sunrise moves from 6:26 AM to 5:56 AM, and sunset from 6:41 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:266:41
212.36:256:42
312.36:246:42
412.36:236:43
512.46:226:44
612.46:216:44
712.46:206:45
812.46:186:45
912.56:176:46
1012.56:166:46
1112.56:156:47
1212.66:146:47
1312.66:136:48
1412.66:126:48
1512.66:116:49
1612.76:106:49
1712.76:096:50
1812.76:076:51
1912.76:066:51
2012.86:056:52
2112.86:046:52
2212.86:036:53
2312.86:026:53
2412.96:016:54
2512.96:006:54
2612.96:006:55
2713.05:596:56
2813.05:586:56
2913.05:576:57
3013.05:566:57

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.56 kWh/m².

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 — April's 5.56 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in April

Hazard calendar for Portland

In seasonPeak

None of Portland's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 April a good time to visit Portland?

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

7.4
Sightseeing
1st-best month of the year
6.8
Beach & pool
5th-best month of the year

April is one of the better times to visit Portland for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Portland in April

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

In April, Portland sees daytime highs around 78°F and nights near 66°F. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Portland in April

The nearest coast averages about 71°F in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).