St. Simons Island, GA weather in June
Expect hot, oppressively humid weather with frequent rain in St. Simons Island in June, with highs near 88°F and lows near 74°F. Rain falls on about 11 days.
- Normal high
- 88°F
- Normal low
- 74°F
- Wet days
- 11
- 5.8 in total
- Muggy days
- 28
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 86°F | 90°F |
| Normal low | 72°F | 75°F |
| Chance of a wet day | 31% | 36% |
| Sunrise / sunset | 6:22 am / 8:24 pm | 6:25 am / 8:33 pm |
| Daylight | 14.0 h | 14.1 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical June day
- 6 am75°Fdew point 71°F
- 9 am81°Fdew point 71°F
- Noon85°Fdew point 71°F
- 3 pm84°Fdew point 72°F
- 6 pm81°Fdew point 72°F
- 9 pm78°Fdew point 72°F
NOAA hourly normals (local standard time) from Brunswick Malcolm Mckinnon Airport (1 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph19 of 30
- Hot dayshigh 90°F or more9 of 30
- Muggy daysdaily mean dew point 65°F or more28 of 30
- Wet daysat least 0.01 in of rain or melted snow11 of 30
- Notable rainat least 0.10 in8 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 5.8 in; a dry June brings about 3.9 in and a wet one about 6.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How June varies from year to year
- Warmest June, 1991-20201998: average high 94°F
- Coolest June1997: average high 83°F
- Wettest June1999: 15.7 in
- Driest June1998: 0.8 in
- Highest reading102°F (June 2, 1998)
- Lowest reading61°F (June 7, 1997)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 83°F | 88°F | 91°F |
| Normal low | 68°F | 74°F | 76°F |
| Wet days | 7 | 11 | 11 |
| Comfortable days | 4 | 0 | 0 |
| Daylight | 13.7 h | 14.1 h | 13.9 h |
Highs change by +5°F from May and +3°F into July.
How St. Simons Island ranks in June
- Normal high119th warmest of 378 cities; 6th of 8 in Georgia
- Wet days264th driest of 378
- Comfortable days312th most of 340
What to pack for St. Simons Island in June
- Light, breathable clothing – highs near 88°F and about 28 muggy days
- A rain jacket or umbrella – rain on about 11 days
- A swimsuit – about 19 beach days
- Sunglasses and sunscreen – about 14.1 hours of daylight and highs near 88°F
Heating and cooling
June has 0 heating degree days and 479 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How hot is St. Simons Island in June?
The normal high is 88°F and the normal low is 74°F. From 1991 to 2020 the hottest June reading was 102°F (June 2, 1998).
Does it rain a lot in St. Simons Island in June?
About 11 days in June have at least 0.01 in of precipitation, and the normal total is 5.8 in. The wettest June in 1991-2020 was in 1999 (15.7 in); the driest was in 1998 (0.8 in).
Is June a good time to visit St. Simons Island?
June ranks 9th of 12 months on our comfort score for St. Simons Island (45 out of 100). It has almost no comfortable days and about 9 days at 90°F or hotter. The best months are March, April and November.
Where the numbers come from
- Temperature, rain, frost dates and humidity and wind by hour: Brunswick Malcolm Mckinnon Airport (USW00013878), 1.2 mi N of the city center, 16 ft . NOAA normals and daily records, 1991-2020.
- Snowfall: Brunswick (USC00091340), 7.0 mi WNW of the city center, 13 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Sapelo Is (USC00097808), 19 mi NNE of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Malcolm Mc Kinnon Airport (722137-13878), 1.2 mi N of the city center, 14 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).