Harlingen weather in June

In June, Harlingen sees average daytime highs of 94°F and overnight lows near 77°F, with 2.3 in of rain across 8.9 wet days and about 13.6 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 94°F through the month. The sky is clear or mostly clear about 54% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 13 h 30 min at the start of June to 13 h 36 min by month's end. Set against the rest of the year, June is Harlingen's 1st-clearest and 5th-windiest month. For the whole year in context, see Harlingen's year-round climate.

Daytime high
94°
3rd warmest
Overnight low
77°
10th coldest
Rainfall
2.3 in
8.9 wet days
Daylight
13 h 36 min
5:42 AM – 7:20 PM
Cloud cover
43%
1st clearest
Wind
11 mph
5th windiest
Solar energy
6.56 kWh/m²
Travel score
3.1
out of 10

Harlingen is city in Cameron County, Texas, United States.

Density
630/km²
people per km²
Founded
1904

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 94°F through the month.

A typical June day in Harlingen reaches about 94°F in the afternoon and slips back to 77°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 89°F and 98°F. Set against its neighbours, June runs about 3°F warmer than May and about 2°F cooler than July.

70°80°90°100°151015202530
Avg high (°F)Avg low (°F)
19376
29376
39376
49376
59376
69376
79377
89377
99477
109477
119477
129477
139477
149477
159477
169477
179478
189478
199478
209478
219478
229478
239478
249478
259478
269478
279478
289478
299478
309478

How June really feels in Harlingen

Once humidity and wind are folded in, June averages 30 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
30
27 feel dangerously hot (≥ 102°F)
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Harlingen weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan71° / 53°1.25.110.57.3
Feb75° / 57°1.04.911.17.6
Mar80° / 62°1.65.511.87.2
Apr85° / 68°1.75.512.65.7
May90° / 73°1.96.513.34.3
Jun94° / 77°2.38.913.63.1
Jul95° / 78°2.48.513.52.6
Aug95° / 78°2.19.412.92.5
Sep91° / 75°4.114.412.23.4
Oct86° / 68°2.77.911.45.5
Nov78° / 61°1.56.510.77.4
Dec73° / 55°1.35.510.47.4

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in June, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 26%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27525
37525
47624
57624
67723
77723
87723
97723
107822
117723
127723
137624
147624
157624
167525
177426
187525
197426
207426
217327
227228
237129
247129
257030
266931
276832
286832
296733
306634

Chance of precipitation in June

Any precipitation

Harlingen gets around 2.3 in of rain over 8.9 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
124
224
325
425
525
625
726
826
926
1026
1127
1227
1328
1428
1529
1630
1730
1831
1932
2032
2133
2233
2334
2435
2535
2635
2736
2836
2936
3036

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1197317
2197218
3187219
4177220
5177121
6177022
7167023
8166924
9266725
10256726
11256627
12256528
13256429
14256429
15256330
16256231
17246331
18146332
19146332
20156133
21156133
22146134
23146134
24146134
25046234
26046234
27046234
28046234
29036334
30036433

Wind in June

Winds average 11 mph in June.

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

051015151015202530
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
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 13 h 30 min at the start of June to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:43 AM to 5:45 AM, and sunset from 7:14 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:437:14
213.55:437:14
313.55:427:15
413.55:427:15
513.65:427:16
613.65:427:16
713.65:427:17
813.65:427:17
913.65:427:17
1013.65:427:18
1113.65:427:18
1213.65:427:19
1313.65:427:19
1413.65:427:19
1513.65:427:20
1613.65:427:20
1713.65:427:20
1813.65:427:21
1913.65:437:21
2013.65:437:21
2113.65:437:21
2213.65:437:22
2313.65:437:22
2413.65:437:22
2513.65:447:22
2613.65:447:22
2713.65:447:22
2813.65:457:23
2913.65:457:23
3013.65:457:23

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.56 kWh/m².

For context, solar energy here swings from a low near 2.91 kWh/m² to a high of 6.72 kWh/m² in July across the year — June's 6.56 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in June

Hazard calendar for Harlingen

In seasonPeak

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

Harlingen 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 June a good time to visit Harlingen?

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

3.1
Sightseeing
10th-best month of the year
6.2
Beach & pool
7th-best month of the year

June is a weaker month for outdoor sightseeing in Harlingen. The water and warmth also suit a beach or pool day.

What to pack for Harlingen in June

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

In June, Harlingen sees daytime highs around 94°F and nights near 77°F. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

Sea temperature near Harlingen in June

The nearest coast averages about 82°F in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 mi away) is warmest in September at about 84°F and coldest in February near 65°F.

It's comfortable for a long swim from Mar 22 to Dec 29 — about 9.3 months when the water holds above 68°F.

60°70°80°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan66Cool
Feb65Cool
Mar67Cool
Apr72Refreshing
May77Warm
Jun82Warm
Jul82Tropical
Aug83Tropical
Sep84Tropical
Oct81Warm
Nov75Refreshing
Dec70Refreshing

UV index in Harlingen in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Harlingen peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highExtremeVery highHighJun 21UV 12Dec 22UV 5
UV index (midday)Level
Jan5Moderate
Feb7High
Mar8Very high
Apr11Extreme
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Harlingen in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Harlingen is worst in July — around 25 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (October, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1525 µg/m³Oct 247 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr13Moderate
May19Moderate
Jun20Moderate
Jul25Moderate
Aug18Moderate
Sep13Moderate
Oct7Good
Nov7Good
Dec9Good
Location & terrain

Where is Harlingen?

Harlingen sits at 26.2°N, 97.7°W, 39 ft above sea level, in United States. The nearest listed city is San Benito, 5.6 mi away.

Topography around Harlingen

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

Within 2 miles, the terrain around Harlingen has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 43 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 82 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 446 ft.

The land around Harlingen is covered by artificial surfaces (56%) and trees (25%) within 2 miles, cropland (52%) and grassland (22%) within 10 miles, and cropland (34%), grassland (22%) and water (20%) within 50 miles.

2 miles
66 ft
10 miles
82 ft
50 miles
446 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: San Benito 5.6 mi · Mercedes 14 mi · Weslaco 19 mi · Donna 22 mi · Brownsville 24 mi · Heroica Matamoros 25 mi · Alamo 27 mi · Ciudad Río Bravo 28 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 Harlingen (26.1906°, -97.6961°, elevation 39 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).