Palm Valley weather in December
In December, Palm Valley sees average daytime highs of 66°F and overnight lows near 52°F, with 2.3 in of rain across 7 wet days and about 10.1 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.
Highs ease over the month, from about 68°F in the first days to 65°F by the end. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 h 12 min at the start of December to 10 h 06 min by month's end. Set against the rest of the year, December is Palm Valley's 8th-clearest and 6th-windiest month. For the whole year in context, see Palm Valley's year-round climate.
- Daytime high
- 66°
- 10th warmest
- Overnight low
- 52°
- 3rd coldest
- Rainfall
- 2.3 in
- 7 wet days
- Daylight
- 10 h 06 min
- 7:20 AM – 5:24 PM
- Cloud cover
- 56%
- 8th clearest
- Wind
- 8 mph
- 6th windiest
- Solar energy
- 2.8 kWh/m²
- Travel score
- 6.6
- out of 10
Palm Valley is census-designated place in St. Johns County, Florida, United States.
- Density
- 567/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 68°F in the first days to 65°F by the end.
A typical December day in Palm Valley reaches about 66°F in the afternoon and slips back to 52°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 76°F. Set against its neighbours, December runs about 5°F cooler than November and about 2°F warmer than January.
| 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) | 69 | 69 | 68 | 68 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| Avg low (°F) | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 53 | 53 | 53 | 52 | 52 | 52 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 69 | 54 |
| 2 | 69 | 54 |
| 3 | 68 | 54 |
| 4 | 68 | 54 |
| 5 | 68 | 53 |
| 6 | 68 | 53 |
| 7 | 68 | 53 |
| 8 | 67 | 53 |
| 9 | 67 | 53 |
| 10 | 67 | 53 |
| 11 | 67 | 52 |
| 12 | 67 | 52 |
| 13 | 67 | 52 |
| 14 | 66 | 52 |
| 15 | 66 | 52 |
| 16 | 66 | 51 |
| 17 | 66 | 51 |
| 18 | 66 | 51 |
| 19 | 66 | 51 |
| 20 | 66 | 51 |
| 21 | 65 | 51 |
| 22 | 65 | 51 |
| 23 | 65 | 51 |
| 24 | 65 | 51 |
| 25 | 65 | 50 |
| 26 | 65 | 50 |
| 27 | 65 | 50 |
| 28 | 65 | 50 |
| 29 | 65 | 50 |
| 30 | 65 | 50 |
| 31 | 65 | 50 |
How December really feels in Palm Valley
Once humidity and wind are folded in, December 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.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Palm Valley weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 64° / 49° | 2.5 | 7.3 | 10.3 | 6.3 |
| Feb | 66° / 51° | 2.5 | 6.8 | 10.9 | 6.6 |
| Mar | 71° / 55° | 2.9 | 7.3 | 11.8 | 7.2 |
| Apr | 76° / 61° | 2.2 | 6.7 | 12.7 | 7.5 |
| May | 82° / 68° | 2.4 | 8.1 | 13.5 | 6.5 |
| Jun | 86° / 74° | 5.0 | 16.6 | 13.9 | 4.2 |
| Jul | 88° / 76° | 4.7 | 18.5 | 13.7 | 3.6 |
| Aug | 87° / 76° | 5.7 | 20.5 | 13.1 | 3.6 |
| Sep | 84° / 74° | 5.5 | 16.3 | 12.2 | 4.7 |
| Oct | 78° / 67° | 3.2 | 9.6 | 11.3 | 6.9 |
| Nov | 71° / 57° | 1.8 | 6.4 | 10.5 | 7.3 |
| Dec | 66° / 52° | 2.3 | 7 | 10.1 | 6.6 |
Cloud cover in December
The sky is clear or mostly clear about 35% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.
| 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 (%) | 56 | 55 | 55 | 54 | 53 | 53 | 52 | 51 | 50 | 50 | 49 | 49 | 49 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 44 | 44 | 44 | 44 | 44 | 44 |
| Cloudier (%) | 44 | 45 | 45 | 46 | 47 | 47 | 48 | 49 | 50 | 50 | 51 | 51 | 51 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 54 | 56 | 56 | 56 | 56 | 56 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 56 | 44 |
| 2 | 55 | 45 |
| 3 | 55 | 45 |
| 4 | 54 | 46 |
| 5 | 53 | 47 |
| 6 | 53 | 47 |
| 7 | 52 | 48 |
| 8 | 51 | 49 |
| 9 | 50 | 50 |
| 10 | 50 | 50 |
| 11 | 49 | 51 |
| 12 | 49 | 51 |
| 13 | 49 | 51 |
| 14 | 48 | 52 |
| 15 | 48 | 52 |
| 16 | 48 | 52 |
| 17 | 48 | 52 |
| 18 | 47 | 53 |
| 19 | 47 | 53 |
| 20 | 47 | 53 |
| 21 | 47 | 53 |
| 22 | 47 | 53 |
| 23 | 46 | 54 |
| 24 | 46 | 54 |
| 25 | 46 | 54 |
| 26 | 44 | 56 |
| 27 | 44 | 56 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 44 | 56 |
| 31 | 44 | 56 |
Chance of precipitation in December
Palm Valley gets around 2.3 in of rain over 7 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 23% and peaks near 25% 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 (%) | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 21 |
| Rain chance (%) | |
|---|---|
| 1 | 19 |
| 2 | 19 |
| 3 | 19 |
| 4 | 20 |
| 5 | 20 |
| 6 | 21 |
| 7 | 21 |
| 8 | 22 |
| 9 | 22 |
| 10 | 23 |
| 11 | 23 |
| 12 | 23 |
| 13 | 24 |
| 14 | 24 |
| 15 | 24 |
| 16 | 25 |
| 17 | 25 |
| 18 | 25 |
| 19 | 25 |
| 20 | 25 |
| 21 | 25 |
| 22 | 24 |
| 23 | 24 |
| 24 | 24 |
| 25 | 24 |
| 26 | 23 |
| 27 | 23 |
| 28 | 23 |
| 29 | 22 |
| 30 | 22 |
| 31 | 21 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.
| 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 (%) | 49 | 49 | 49 | 50 | 50 | 50 | 50 | 51 | 51 | 52 | 54 | 54 | 54 | 55 | 57 | 57 | 58 | 58 | 60 | 60 | 60 | 61 | 61 | 61 | 61 | 60 | 61 | 61 | 61 | 61 | 61 |
| Comfortable (%) | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 19 |
| Humid (%) | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 |
| Muggy (%) | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 49 | 19 | 21 | 11 |
| 2 | 49 | 19 | 21 | 10 |
| 3 | 49 | 20 | 21 | 10 |
| 4 | 50 | 20 | 20 | 10 |
| 5 | 50 | 20 | 20 | 10 |
| 6 | 50 | 21 | 20 | 9 |
| 7 | 50 | 21 | 20 | 9 |
| 8 | 51 | 21 | 19 | 9 |
| 9 | 51 | 21 | 19 | 9 |
| 10 | 52 | 20 | 19 | 9 |
| 11 | 54 | 20 | 18 | 8 |
| 12 | 54 | 20 | 18 | 8 |
| 13 | 54 | 20 | 18 | 8 |
| 14 | 55 | 19 | 18 | 8 |
| 15 | 57 | 19 | 17 | 7 |
| 16 | 57 | 19 | 17 | 7 |
| 17 | 58 | 18 | 17 | 7 |
| 18 | 58 | 18 | 17 | 7 |
| 19 | 60 | 17 | 16 | 7 |
| 20 | 60 | 17 | 16 | 7 |
| 21 | 60 | 17 | 16 | 7 |
| 22 | 61 | 17 | 15 | 7 |
| 23 | 61 | 17 | 15 | 7 |
| 24 | 61 | 17 | 15 | 7 |
| 25 | 61 | 17 | 15 | 7 |
| 26 | 60 | 18 | 15 | 7 |
| 27 | 61 | 18 | 14 | 7 |
| 28 | 61 | 18 | 14 | 7 |
| 29 | 61 | 18 | 14 | 7 |
| 30 | 61 | 19 | 13 | 7 |
| 31 | 61 | 19 | 13 | 7 |
Wind in December
Winds average 8 mph in December.
Across December, daily wind ranges from about 8 mph on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 8 | light breeze |
| 2 | 8 | light breeze |
| 3 | 8 | light breeze |
| 4 | 8 | light breeze |
| 5 | 8 | light breeze |
| 6 | 8 | light breeze |
| 7 | 8 | light breeze |
| 8 | 8 | light breeze |
| 9 | 8 | light breeze |
| 10 | 8 | light breeze |
| 11 | 8 | light breeze |
| 12 | 8 | light breeze |
| 13 | 8 | light breeze |
| 14 | 8 | light breeze |
| 15 | 8 | light breeze |
| 16 | 8 | light breeze |
| 17 | 8 | light breeze |
| 18 | 8 | light breeze |
| 19 | 8 | light breeze |
| 20 | 8 | light breeze |
| 21 | 8 | light breeze |
| 22 | 8 | light breeze |
| 23 | 8 | light breeze |
| 24 | 8 | light breeze |
| 25 | 8 | light breeze |
| 26 | 8 | light breeze |
| 27 | 8 | light breeze |
| 28 | 8 | light breeze |
| 29 | 8 | light breeze |
| 30 | 8 | light breeze |
| 31 | 8 | light breeze |
Sunrise & sunset in December
Daylight runs from about 10 h 12 min at the start of December to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 7:09 AM to 7:26 AM, and sunset from 5:21 PM to 5:31 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) | 10.2 | 10.2 | 10.2 | 10.2 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 |
| Sunrise (AM) | 7:09 | 7:10 | 7:11 | 7:12 | 7:12 | 7:13 | 7:14 | 7:15 | 7:15 | 7:16 | 7:17 | 7:17 | 7:18 | 7:19 | 7:19 | 7:20 | 7:20 | 7:21 | 7:21 | 7:22 | 7:22 | 7:23 | 7:23 | 7:24 | 7:24 | 7:25 | 7:25 | 7:25 | 7:26 | 7:26 | 7:26 |
| Sunset (PM) | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:21 | 5:22 | 5:22 | 5:22 | 5:22 | 5:22 | 5:23 | 5:23 | 5:23 | 5:24 | 5:24 | 5:24 | 5:25 | 5:25 | 5:26 | 5:26 | 5:27 | 5:27 | 5:28 | 5:28 | 5:29 | 5:29 | 5:30 | 5:30 | 5:31 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.2 | 7:09 | 5:21 |
| 2 | 10.2 | 7:10 | 5:21 |
| 3 | 10.2 | 7:11 | 5:21 |
| 4 | 10.2 | 7:12 | 5:21 |
| 5 | 10.1 | 7:12 | 5:21 |
| 6 | 10.1 | 7:13 | 5:21 |
| 7 | 10.1 | 7:14 | 5:21 |
| 8 | 10.1 | 7:15 | 5:22 |
| 9 | 10.1 | 7:15 | 5:22 |
| 10 | 10.1 | 7:16 | 5:22 |
| 11 | 10.1 | 7:17 | 5:22 |
| 12 | 10.1 | 7:17 | 5:22 |
| 13 | 10.1 | 7:18 | 5:23 |
| 14 | 10.1 | 7:19 | 5:23 |
| 15 | 10.1 | 7:19 | 5:23 |
| 16 | 10.1 | 7:20 | 5:24 |
| 17 | 10.1 | 7:20 | 5:24 |
| 18 | 10.1 | 7:21 | 5:24 |
| 19 | 10.1 | 7:21 | 5:25 |
| 20 | 10.1 | 7:22 | 5:25 |
| 21 | 10.1 | 7:22 | 5:26 |
| 22 | 10.1 | 7:23 | 5:26 |
| 23 | 10.1 | 7:23 | 5:27 |
| 24 | 10.1 | 7:24 | 5:27 |
| 25 | 10.1 | 7:24 | 5:28 |
| 26 | 10.1 | 7:25 | 5:28 |
| 27 | 10.1 | 7:25 | 5:29 |
| 28 | 10.1 | 7:25 | 5:29 |
| 29 | 10.1 | 7:26 | 5:30 |
| 30 | 10.1 | 7:26 | 5:30 |
| 31 | 10.1 | 7:26 | 5:31 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.8 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.8 kWh/m² to a high of 6.46 kWh/m² in May across the year — December's 2.8 kWh/m² sits near the bottom.
| 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) | 3.0 | 3.0 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 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 | 3.0 | Moderate |
| 2 | 3.0 | Moderate |
| 3 | 2.9 | Moderate |
| 4 | 2.9 | Moderate |
| 5 | 2.9 | Moderate |
| 6 | 2.9 | Moderate |
| 7 | 2.9 | Moderate |
| 8 | 2.8 | Moderate |
| 9 | 2.8 | Moderate |
| 10 | 2.8 | Moderate |
| 11 | 2.8 | Moderate |
| 12 | 2.8 | Moderate |
| 13 | 2.8 | Moderate |
| 14 | 2.8 | Moderate |
| 15 | 2.8 | Moderate |
| 16 | 2.8 | Moderate |
| 17 | 2.8 | Moderate |
| 18 | 2.8 | Moderate |
| 19 | 2.8 | Moderate |
| 20 | 2.8 | Moderate |
| 21 | 2.8 | Moderate |
| 22 | 2.8 | Moderate |
| 23 | 2.8 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.8 | Moderate |
| 28 | 2.8 | Moderate |
| 29 | 2.8 | Moderate |
| 30 | 2.8 | Moderate |
| 31 | 2.8 | Moderate |
Hazard calendar for Palm Valley
None of Palm Valley's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Palm Valley sits in the Atlantic hurricane belt; the season peaks August–October.
Palm Valley's rainy season runs June–October, when most of the year's rain falls.
Is December a good time to visit Palm Valley?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Palm Valley for sightseeing.
What to pack for Palm Valley in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Palm Valley sees daytime highs around 66°F and nights near 52°F. Little to plan around — just the basics. About 7 days see rain.
Sea temperature near Palm Valley in December
The nearest coast averages about 65°F in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 mi away) is warmest in August at about 82°F and coldest in February near 61°F.
It's comfortable for a long swim from Apr 13 to Nov 28 — about 7.6 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 62 | 61 | 63 | 69 | 75 | 80 | 82 | 82 | 82 | 78 | 70 | 65 |
| Comfort | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Tropical | Warm | Warm | Refreshing | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 62 | Cool |
| Feb | 61 | Cool |
| Mar | 63 | Cool |
| Apr | 69 | Refreshing |
| May | 75 | Refreshing |
| Jun | 80 | Warm |
| Jul | 82 | Warm |
| Aug | 82 | Tropical |
| Sep | 82 | Warm |
| Oct | 78 | Warm |
| Nov | 70 | Refreshing |
| Dec | 65 | Cool |
UV index in Palm Valley in December
Clear-sky midday UV in December 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 Palm Valley peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 6 | 8 | 7 | 9 | 11 | 10 | 10 | 8 | 7 | 5 | 4 |
| Level | Moderate | High | Very high | High | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 8 | Very high |
| Apr | 7 | High |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Palm Valley in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Palm Valley is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 7 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) | 9 | 13 | 12 | 13 | 14 | 16 | 18 | 16 | 12 | 8 | 8 | 7 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 13 | Moderate |
| Mar | 12 | Moderate |
| Apr | 13 | Moderate |
| May | 14 | Moderate |
| Jun | 16 | Moderate |
| Jul | 18 | Moderate |
| Aug | 16 | Moderate |
| Sep | 12 | Good |
| Oct | 8 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Palm Valley?
Palm Valley sits at 30.2°N, 81.4°W, 3 ft above sea level, in United States. The nearest listed city is Ponte Vedra Beach, 4.3 mi away.
Topography around Palm Valley
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Palm Valley.
Within 2 miles, the terrain around Palm Valley has only modest variations in elevation — a maximum elevation change of 85 ft around an average of 23 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 131 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 308 ft.
The land around Palm Valley is covered by trees (62%) within 2 miles, water (43%) and trees (38%) within 10 miles, and trees (53%) and water (34%) 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 Palm Valley (30.1775°, -81.3876°, elevation 3 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).