Temperature
Hot by day, warm at night.
88°Ftypical July high
Typical range
July climate
July in Johns Island
United States · North America
Hot days and some sun. Hurricane risk and humid air are the main drawbacks.
Some tradeoffs
Daytime high
88°F
Lows around 76°F
Rain
Rain most days
Sun
11.5 h/day
Air feel
Very humid
Sea temp
83°F
Great for swimming
When to visit
Month-by-month fit
Best
Window: Jul–Aug. Showing July.
Precipitation
It rains on most days, but usually in brief, on-and-off spells. About 19 wet days, the highest monthly average.
61%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
11.6 hJuly sunshine
Heat & humidity by month
Very humid air is a major factor this month.
52%July Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In July, afternoons feel about 92° and nights feel near 83°.
Very coldColdCoolComfortableWarmHotNight hours
Clear sky
Mostly cloudy skies this month.
40%July Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in July.
7 mphJuly Light breeze
Sea temperature
83°FJuly sea temp
More detailIncludes daypart comfort
Typical July day
July late afternoons are around 86°F, easing to about 82°F in early evening.
Avg temp Typical range
Morning81°F
Feels 87°F
Rain24%
Cloud57%
Humid airVery high
Sun intensityModerate
Midday86°F
Feels 92°F
Rain37%
Cloud59%
Humid airVery high
Sun intensityStrong
Late afternoon86°F
Feels 91°F
Rain40%
Cloud63%
Humid airVery high
Sun intensityStrong
Early evening82°F
Feels 88°F
Rain20%
Cloud66%
Humid airVery high
Sun intensityLow
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 59 | 43 | 2.6 | 8 | 7.4 | 72 | 71 |
| Feb | 63 | 46 | 3.2 | 8 | 8.1 | 73 | 70 |
| Mar | 68 | 52 | 3.2 | 8 | 9.1 | 72 | 71 |
| Apr | 74 | 59 | 3.1 | 8 | 10.9 | 73 | 73 |
| May | 80 | 67 | 2.7 | 10 | 11.7 | 76 | 77 |
| Jun | 85 | 74 | 5.0 | 15 | 11.5 | 80 | 81 |
| Jul | 88 | 76 | 5.9 | 19 | 11.6 | 81 | 83 |
| Aug | 87 | 76 | 6.5 | 19 | 10.9 | 83 | 84 |
| Sep | 83 | 71 | 5.1 | 14 | 9.8 | 81 | 83 |
| Oct | 76 | 61 | 3.5 | 7 | 9.0 | 78 | 80 |
| Nov | 68 | 51 | 2.3 | 7 | 8.4 | 76 | 76 |
| Dec | 62 | 46 | 3.5 | 8 | 7.3 | 76 | 73 |
Similar climates
Similar
Similar travel styleCharlestonUnited StatesSimilar travel stylePalma de MallorcaSpainSimilar travel styleLaguna BeachUnited StatesSimilar travel stylePunta de MitaMexico
Want a side-by-side climate view? Compare Johns Island with Charleston.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology