St. Simons Island, GA weather in October
Expect mild, often humid weather with some rain in St. Simons Island in October, with highs near 79°F and lows near 64°F. Rain falls on about 8 days.
- Normal high
- 79°F
- Normal low
- 64°F
- Wet days
- 8
- 4.7 in total
- Muggy days
- 15
- dew point 65°F+
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 83°F | 75°F |
| Normal low | 69°F | 58°F |
| Chance of a wet day | 30% | 21% |
| Sunrise / sunset | 7:19 am / 7:11 pm | 7:40 am / 6:38 pm |
| Daylight | 11.9 h | 11.0 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 October day
- 6 am65°Fdew point 61°F
- 9 am71°Fdew point 63°F
- Noon76°Fdew point 62°F
- 3 pm76°Fdew point 62°F
- 6 pm72°Fdew point 63°F
- 9 pm70°Fdew point 63°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°F9 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph11 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more15 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain in October
Normal precipitation is 4.7 in; a dry October brings about 2.2 in and a wet one about 5.1 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How October varies from year to year
- Warmest October, 1991-20202019: average high 83°F
- Coolest October1992: average high 74°F
- Wettest October2005: 17.6 in
- Driest October2000: 0.09 in
- Highest reading92°F (October 11, 2018)
- Lowest reading40°F (October 29, 2008)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 86°F | 79°F | 71°F |
| Normal low | 73°F | 64°F | 53°F |
| Wet days | 11 | 8 | 7 |
| Comfortable days | 1 | 9 | 14 |
| Daylight | 12.3 h | 11.4 h | 10.6 h |
Highs change by -7°F from September and -8°F into November.
Nearby alternatives in October
- Warmer: Orlando, FL179 mi · high 85°F · 8 wet days
How St. Simons Island ranks in October
- Normal high109th warmest of 378 cities; 3rd of 8 in Georgia
- Wet days192nd driest of 378
- Comfortable days235th most of 340
What to pack for St. Simons Island in October
- A swimsuit – about 11 beach days
Heating and cooling
October has 23 heating degree days and 218 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is St. Simons Island in October?
The normal high is 79°F and the normal low is 64°F. From 1991 to 2020 the hottest October reading was 92°F (most recently on October 11, 2018).
Does it rain a lot in St. Simons Island in October?
About 8 days in October have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest October in 1991-2020 was in 2005 (17.6 in); the driest was in 2000 (0.09 in).
Is October a good time to visit St. Simons Island?
October ranks 5th of 12 months on our comfort score for St. Simons Island (59 out of 100). It has about 9 comfortable days. 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).