Weather in Corpus Christi in June
United States · 20-year averages, June
A hard month. June asks something of you. Go in knowing what. Daytime highs average 34.2 °C and the afternoon is not negotiable — outdoor plans move to early morning or evening.
June ranks 9 of 12 in Corpus Christi: past the worst of the year but short of February, which is the month to book if the dates are open.
Rain on 9 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for heat management rather than style: shade, water, and a schedule that gives up on the middle of the day.
What the averages hide
Averages flatten a month, and this one hides a few things: 12 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest June day reached 40.5 °C and the coldest night fell to 20.5 °C, and the wettest single day dropped 72 mm — roughly 109% of the month's rain in one day.
June is moderately variable: 10 mm in the driest year against 152 mm in the wettest, around an average of 66 mm. Roughly two Junes in three land near that average, and the third does something else entirely.
Wind is light at 12.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 72%.
How June sits in the year
Temperatures hold steady either side: 31.9 °C in May, 34.2 here, 34.1 in July. Nothing about the timing within the month matters much.
Daylight in June
June is at or near the longest days of Corpus Christi's year: 13.9 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.
Sea temperature
The sea sits at about 28 °C in June — warm enough that the water offers no relief from the heat. The sea peaks at 29.2 °C in August and bottoms out at 19.2 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
How busy it gets
Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Corpus Christi versus nearby
If Corpus Christi is one option among several, the nearby comparison is worth making. Laredo is the weaker option in June — 3.5 °C warmer, 2 days less rain. San Antonio is close enough to be a coin toss — within a degree on temperature, 1 day more rain.
So: June is a compromise. February is 43 points better and is what Corpus Christi is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Corpus Christi
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 19.8 | 9 | 6 | 40 | 75 | 10.6 | 19.9 | 88 |
| February | 22.2 | 10.8 | 5 | 29 | 75 | 11.2 | 19.2 | 91 |
| March | 25.5 | 14.4 | 6 | 50 | 75 | 12 | 19.8 | 88 |
| April | 29.3 | 18.3 | 6 | 47 | 72 | 12.8 | 22.3 | 79 |
| May | 31.9 | 22.1 | 8 | 80 | 73 | 13.5 | 25.3 | 61 |
| June | 34.2 | 25 | 9 | 66 | 72 | 13.9 | 28 | 48 |
| July | 34.1 | 25.5 | 10 | 84 | 74 | 13.8 | 28.7 | 48 |
| August | 35 | 26 | 8 | 55 | 72 | 13.2 | 29.2 | 48 |
| September | 32.5 | 24 | 14 | 127 | 75 | 12.4 | 29.1 | 47 |
| October | 29.7 | 19.6 | 8 | 59 | 74 | 11.5 | 27.4 | 72 |
| November | 25 | 14.5 | 6 | 44 | 75 | 10.8 | 24.3 | 89 |
| December | 21 | 10.2 | 5 | 37 | 75 | 10.4 | 21.7 | 91 |
See all twelve months in Corpus Christi, or where else to go in June.
Planning the rest of the trip
- Flight time to Corpus Christi how long you are actually in the air
- Corpus Christi time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Corpus Christi keep training while you are there