Gwynn Oak weather in October
In October, Gwynn Oak sees average daytime highs of 66°F and overnight lows near 50°F, with 3.6 in of rain across 8 wet days and about 11 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.
Highs ease over the month, from about 71°F in the first days to 61°F by the end. The sky is clear or mostly clear about 42% of the time in October, and the air most often feels dry.
Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Gwynn Oak's 1st-clearest and 7th-windiest month. For the whole year in context, see Gwynn Oak's year-round climate.
- Daytime high
- 66°
- 6th warmest
- Overnight low
- 50°
- 7th coldest
- Rainfall
- 3.6 in
- 8 wet days
- Daylight
- 10 h 54 min
- 6:23 AM – 5:20 PM
- Cloud cover
- 51%
- 1st clearest
- Wind
- 7 mph
- 7th windiest
- Solar energy
- 3.3 kWh/m²
- Travel score
- 6.4
- out of 10
Gwynn Oak is human settlement in United States of America.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Highs ease over the month, from about 71°F in the first days to 61°F by the end.
A typical October day in Gwynn Oak reaches about 66°F in the afternoon and slips back to 50°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 77°F. Set against its neighbours, October runs about 11°F cooler than September and about 11°F warmer than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 69 | 69 | 69 | 68 | 68 | 67 | 67 | 67 | 66 | 66 | 65 | 65 | 65 | 64 | 64 | 64 | 63 | 63 | 62 | 62 | 62 | 61 | 61 | 60 |
| Avg low (°F) | 56 | 55 | 55 | 54 | 54 | 54 | 53 | 53 | 52 | 52 | 52 | 51 | 51 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 45 | 45 | 44 | 44 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 72 | 56 |
| 2 | 72 | 55 |
| 3 | 71 | 55 |
| 4 | 71 | 54 |
| 5 | 71 | 54 |
| 6 | 70 | 54 |
| 7 | 70 | 53 |
| 8 | 69 | 53 |
| 9 | 69 | 52 |
| 10 | 69 | 52 |
| 11 | 68 | 52 |
| 12 | 68 | 51 |
| 13 | 67 | 51 |
| 14 | 67 | 50 |
| 15 | 67 | 50 |
| 16 | 66 | 49 |
| 17 | 66 | 49 |
| 18 | 65 | 49 |
| 19 | 65 | 48 |
| 20 | 65 | 48 |
| 21 | 64 | 47 |
| 22 | 64 | 47 |
| 23 | 64 | 47 |
| 24 | 63 | 47 |
| 25 | 63 | 46 |
| 26 | 62 | 46 |
| 27 | 62 | 46 |
| 28 | 62 | 45 |
| 29 | 61 | 45 |
| 30 | 61 | 44 |
| 31 | 60 | 44 |
How October really feels in Gwynn Oak
Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Gwynn Oak weather by month
How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 42° / 28° | 3.1 | 8.5 | 3 | 9.5 | 0.2 |
| Feb | 44° / 29° | 2.9 | 8.5 | 3.2 | 10.5 | 0.9 |
| Mar | 53° / 36° | 4.0 | 10.3 | 2.2 | 11.7 | 3.0 |
| Apr | 64° / 47° | 3.5 | 10.3 | 0.2 | 13 | 5.7 |
| May | 73° / 56° | 3.8 | 11.4 | 0 | 14.1 | 6.5 |
| Jun | 82° / 65° | 3.7 | 11.6 | 0 | 14.7 | 5.8 |
| Jul | 86° / 70° | 4.2 | 12.1 | 0 | 14.5 | 4.7 |
| Aug | 84° / 69° | 3.7 | 10.9 | 0 | 13.5 | 5.4 |
| Sep | 78° / 61° | 4.6 | 9.1 | 0 | 12.3 | 6.9 |
| Oct | 66° / 50° | 3.6 | 8 | 0 | 11 | 6.4 |
| Nov | 55° / 39° | 3.0 | 7.6 | 0.2 | 9.8 | 3.8 |
| Dec | 46° / 32° | 3.7 | 9 | 1.7 | 9.3 | 1.2 |
Cloud cover in October
The sky is clear or mostly clear about 42% of the time in October, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 44%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 55 | 56 | 56 | 56 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 56 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 53 |
| Cloudier (%) | 45 | 44 | 44 | 44 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 44 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 47 | 47 | 47 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 55 | 45 |
| 2 | 56 | 44 |
| 3 | 56 | 44 |
| 4 | 56 | 44 |
| 5 | 58 | 42 |
| 6 | 58 | 42 |
| 7 | 58 | 42 |
| 8 | 58 | 42 |
| 9 | 58 | 42 |
| 10 | 57 | 43 |
| 11 | 57 | 43 |
| 12 | 57 | 43 |
| 13 | 57 | 43 |
| 14 | 57 | 43 |
| 15 | 57 | 43 |
| 16 | 57 | 43 |
| 17 | 56 | 44 |
| 18 | 56 | 44 |
| 19 | 56 | 44 |
| 20 | 56 | 44 |
| 21 | 56 | 44 |
| 22 | 55 | 45 |
| 23 | 55 | 45 |
| 24 | 54 | 46 |
| 25 | 54 | 46 |
| 26 | 54 | 46 |
| 27 | 54 | 46 |
| 28 | 54 | 46 |
| 29 | 53 | 47 |
| 30 | 53 | 47 |
| 31 | 53 | 47 |
Chance of precipitation in October
Gwynn Oak gets around 3.6 in of rain over 8 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 26% and peaks near 28% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 25 |
| Rain chance (%) | |
|---|---|
| 1 | 28 |
| 2 | 28 |
| 3 | 27 |
| 4 | 27 |
| 5 | 26 |
| 6 | 26 |
| 7 | 25 |
| 8 | 25 |
| 9 | 25 |
| 10 | 25 |
| 11 | 25 |
| 12 | 26 |
| 13 | 26 |
| 14 | 26 |
| 15 | 26 |
| 16 | 26 |
| 17 | 26 |
| 18 | 26 |
| 19 | 26 |
| 20 | 26 |
| 21 | 26 |
| 22 | 27 |
| 23 | 27 |
| 24 | 27 |
| 25 | 27 |
| 26 | 26 |
| 27 | 26 |
| 28 | 26 |
| 29 | 26 |
| 30 | 26 |
| 31 | 25 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 75% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 55 | 56 | 58 | 60 | 61 | 63 | 64 | 65 | 67 | 68 | 71 | 71 | 74 | 74 | 76 | 77 | 77 | 81 | 81 | 82 | 83 | 84 | 84 | 85 | 85 | 85 | 86 | 87 | 87 | 88 | 89 |
| Comfortable (%) | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
| Humid (%) | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 |
| Muggy (%) | 11 | 11 | 10 | 9 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 55 | 17 | 16 | 11 | 1 |
| 2 | 56 | 17 | 15 | 11 | 1 |
| 3 | 58 | 17 | 14 | 10 | 1 |
| 4 | 60 | 17 | 13 | 9 | 1 |
| 5 | 61 | 17 | 13 | 8 | 1 |
| 6 | 63 | 17 | 12 | 7 | 1 |
| 7 | 64 | 16 | 12 | 6 | 2 |
| 8 | 65 | 16 | 11 | 6 | 2 |
| 9 | 67 | 16 | 10 | 5 | 2 |
| 10 | 68 | 16 | 10 | 5 | 1 |
| 11 | 71 | 15 | 9 | 4 | 1 |
| 12 | 71 | 15 | 9 | 4 | 1 |
| 13 | 74 | 14 | 8 | 3 | 1 |
| 14 | 74 | 14 | 8 | 3 | 1 |
| 15 | 76 | 14 | 7 | 2 | 1 |
| 16 | 77 | 13 | 7 | 2 | 1 |
| 17 | 77 | 13 | 7 | 2 | 1 |
| 18 | 81 | 12 | 6 | 1 | 0 |
| 19 | 81 | 12 | 6 | 1 | 0 |
| 20 | 82 | 11 | 6 | 1 | 0 |
| 21 | 83 | 11 | 5 | 1 | 0 |
| 22 | 84 | 10 | 5 | 1 | 0 |
| 23 | 84 | 10 | 5 | 1 | 0 |
| 24 | 85 | 10 | 4 | 1 | 0 |
| 25 | 85 | 10 | 4 | 1 | 0 |
| 26 | 85 | 10 | 4 | 1 | 0 |
| 27 | 86 | 10 | 3 | 1 | 0 |
| 28 | 87 | 10 | 3 | 0 | 0 |
| 29 | 87 | 10 | 3 | 0 | 0 |
| 30 | 88 | 10 | 2 | 0 | 0 |
| 31 | 89 | 9 | 2 | 0 | 0 |
Wind in October
Winds average 7 mph in October.
Across October, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in October
Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 78 minutes over October. Sunrise moves from 6:08 AM to 6:40 AM, and sunset from 5:44 PM to 5:01 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.6 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.1 | 11.1 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.8 | 10.8 | 10.7 | 10.7 | 10.7 | 10.6 | 10.6 | 10.5 | 10.5 | 10.5 | 10.4 | 10.4 | 10.3 |
| Sunrise (AM) | 6:08 | 6:09 | 6:10 | 6:11 | 6:12 | 6:13 | 6:14 | 6:15 | 6:16 | 6:17 | 6:18 | 6:19 | 6:20 | 6:21 | 6:22 | 6:23 | 6:24 | 6:25 | 6:27 | 6:28 | 6:29 | 6:30 | 6:31 | 6:32 | 6:33 | 6:34 | 6:35 | 6:36 | 6:38 | 6:39 | 6:40 |
| Sunset (PM) | 5:44 | 5:42 | 5:40 | 5:39 | 5:37 | 5:35 | 5:34 | 5:32 | 5:31 | 5:29 | 5:28 | 5:26 | 5:25 | 5:23 | 5:22 | 5:20 | 5:19 | 5:17 | 5:16 | 5:15 | 5:13 | 5:12 | 5:11 | 5:09 | 5:08 | 5:07 | 5:06 | 5:04 | 5:03 | 5:02 | 5:01 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.6 | 6:08 | 5:44 |
| 2 | 11.5 | 6:09 | 5:42 |
| 3 | 11.5 | 6:10 | 5:40 |
| 4 | 11.5 | 6:11 | 5:39 |
| 5 | 11.4 | 6:12 | 5:37 |
| 6 | 11.4 | 6:13 | 5:35 |
| 7 | 11.3 | 6:14 | 5:34 |
| 8 | 11.3 | 6:15 | 5:32 |
| 9 | 11.2 | 6:16 | 5:31 |
| 10 | 11.2 | 6:17 | 5:29 |
| 11 | 11.2 | 6:18 | 5:28 |
| 12 | 11.1 | 6:19 | 5:26 |
| 13 | 11.1 | 6:20 | 5:25 |
| 14 | 11.0 | 6:21 | 5:23 |
| 15 | 11.0 | 6:22 | 5:22 |
| 16 | 10.9 | 6:23 | 5:20 |
| 17 | 10.9 | 6:24 | 5:19 |
| 18 | 10.9 | 6:25 | 5:17 |
| 19 | 10.8 | 6:27 | 5:16 |
| 20 | 10.8 | 6:28 | 5:15 |
| 21 | 10.7 | 6:29 | 5:13 |
| 22 | 10.7 | 6:30 | 5:12 |
| 23 | 10.7 | 6:31 | 5:11 |
| 24 | 10.6 | 6:32 | 5:09 |
| 25 | 10.6 | 6:33 | 5:08 |
| 26 | 10.5 | 6:34 | 5:07 |
| 27 | 10.5 | 6:35 | 5:06 |
| 28 | 10.5 | 6:36 | 5:04 |
| 29 | 10.4 | 6:38 | 5:03 |
| 30 | 10.4 | 6:39 | 5:02 |
| 31 | 10.3 | 6:40 | 5:01 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 3.3 kWh/m².
For context, solar energy here swings from a low near 1.92 kWh/m² to a high of 6.11 kWh/m² in June across the year — October's 3.3 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 3.8 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 | 3.5 | 3.4 | 3.4 | 3.4 | 3.3 | 3.3 | 3.3 | 3.2 | 3.2 | 3.2 | 3.1 | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.8 | Moderate |
| 2 | 3.7 | Moderate |
| 3 | 3.7 | Moderate |
| 4 | 3.7 | Moderate |
| 5 | 3.6 | Moderate |
| 6 | 3.6 | Moderate |
| 7 | 3.6 | Moderate |
| 8 | 3.5 | Moderate |
| 9 | 3.5 | Moderate |
| 10 | 3.5 | Moderate |
| 11 | 3.5 | Moderate |
| 12 | 3.4 | Moderate |
| 13 | 3.4 | Moderate |
| 14 | 3.4 | Moderate |
| 15 | 3.3 | Moderate |
| 16 | 3.3 | Moderate |
| 17 | 3.3 | Moderate |
| 18 | 3.2 | Moderate |
| 19 | 3.2 | Moderate |
| 20 | 3.2 | Moderate |
| 21 | 3.1 | Moderate |
| 22 | 3.1 | Moderate |
| 23 | 3.1 | Moderate |
| 24 | 3.0 | Moderate |
| 25 | 3.0 | Moderate |
| 26 | 3.0 | Moderate |
| 27 | 2.9 | Moderate |
| 28 | 2.9 | Moderate |
| 29 | 2.9 | Moderate |
| 30 | 2.8 | Moderate |
| 31 | 2.8 | Moderate |
Hazard calendar for Gwynn Oak
In October, Gwynn Oak sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Gwynn Oak sits in the Atlantic hurricane belt; the season peaks August–October.
Is October a good time to visit Gwynn Oak?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a reasonable time to visit Gwynn Oak for sightseeing.
What to pack for Gwynn Oak in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Gwynn Oak sees daytime highs around 66°F and nights near 50°F. Worth packing: rain gear. About 8 days see rain.
Sea temperature near Gwynn Oak in October
The nearest coast averages about 65°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 22 mi away) is warmest in August at about 78°F and coldest in February near 36°F.
It's comfortable for a long swim from Jun 16 to Oct 5 — about 3.7 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 38 | 36 | 40 | 47 | 58 | 68 | 76 | 78 | 74 | 65 | 53 | 44 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Refreshing | Warm | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 38 | Bracing |
| Feb | 36 | Bracing |
| Mar | 40 | Bracing |
| Apr | 47 | Bracing |
| May | 58 | Bracing |
| Jun | 68 | Refreshing |
| Jul | 76 | Warm |
| Aug | 78 | Warm |
| Sep | 74 | Refreshing |
| Oct | 65 | Cool |
| Nov | 53 | Bracing |
| Dec | 44 | Bracing |
UV index in Gwynn Oak in October
Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gwynn Oak peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 7 | 6 | 4 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | High |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Gwynn Oak in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Gwynn Oak is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 13 | 13 | 15 | 16 | 17 | 14 | 12 | 9 | 8 | 10 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Good |
| Mar | 13 | Moderate |
| Apr | 13 | Moderate |
| May | 15 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 14 | Moderate |
| Sep | 12 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 10 | Good |
Where is Gwynn Oak?
Gwynn Oak sits at 39.3°N, 76.7°W, 427 ft above sea level, in United States. The nearest listed city is Lochearn, 1.9 mi away.
Topography around Gwynn Oak
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Gwynn Oak.
Within 2 miles, the terrain around Gwynn Oak has only modest variations in elevation — a maximum elevation change of 348 ft around an average of 397 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 925 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,031 ft.
The land around Gwynn Oak is covered by trees (50%) and artificial surfaces (39%) within 2 miles, trees (58%) and artificial surfaces (27%) within 10 miles, and trees (52%) within 50 miles.
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
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 Gwynn Oak (39.3326°, -76.6928°, elevation 427 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).