Brightwood weather in January
In January, Brightwood sees average daytime highs of 43°F and overnight lows near 28°F, with 3.1 in of precipitation across 8.6 wet days and about 9.6 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 43°F through the month. The sky is clear or mostly clear about 32% of the time in January, and the air most often feels dry.
Daylight stretches from about 9 h 18 min at the start of January to 10 hours by month's end. Set against the rest of the year, January is Brightwood's 6th-clearest and 2nd-windiest month. For the whole year in context, see Brightwood's year-round climate.
- Daytime high
- 43°
- 12th warmest
- Overnight low
- 28°
- 1st coldest
- Precipitation
- 3.1 in
- 8.6 wet days
- Daylight
- 9 h 30 min
- 7:31 AM – 5:04 PM
- Cloud cover
- 59%
- 6th clearest
- Wind
- 7 mph
- 2nd windiest
- Solar energy
- 2.25 kWh/m²
- Travel score
- 0.4
- out of 10
Brightwood is neighborhood in Washington, D.C..
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 43°F through the month.
A typical January day in Brightwood reaches about 43°F in the afternoon and slips back to 28°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 30°F and 57°F. Set against its neighbours, January runs about 4°F cooler than December and about 3°F cooler than February.
| 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) | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 43 | 43 |
| Avg low (°F) | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 44 | 30 |
| 2 | 44 | 30 |
| 3 | 44 | 30 |
| 4 | 44 | 30 |
| 5 | 44 | 30 |
| 6 | 44 | 30 |
| 7 | 44 | 29 |
| 8 | 44 | 29 |
| 9 | 43 | 29 |
| 10 | 43 | 29 |
| 11 | 43 | 29 |
| 12 | 43 | 29 |
| 13 | 43 | 28 |
| 14 | 42 | 28 |
| 15 | 42 | 28 |
| 16 | 42 | 28 |
| 17 | 42 | 28 |
| 18 | 42 | 28 |
| 19 | 42 | 27 |
| 20 | 42 | 27 |
| 21 | 42 | 27 |
| 22 | 42 | 27 |
| 23 | 42 | 27 |
| 24 | 42 | 27 |
| 25 | 42 | 27 |
| 26 | 42 | 27 |
| 27 | 42 | 27 |
| 28 | 42 | 27 |
| 29 | 42 | 27 |
| 30 | 43 | 27 |
| 31 | 43 | 27 |
How January really feels in Brightwood
Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in January is cold — wind chill drags the overnight "feels like" below the raw low.
Brightwood weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 43° / 28° | 3.1 | 8.6 | 2.9 | 9.6 | 0.4 |
| Feb | 46° / 29° | 2.9 | 8.5 | 2.8 | 10.5 | 1.2 |
| Mar | 55° / 36° | 3.9 | 10.3 | 1.9 | 11.7 | 3.4 |
| Apr | 66° / 47° | 3.4 | 10.1 | 0.1 | 13 | 5.9 |
| May | 74° / 56° | 3.8 | 11 | 0 | 14.1 | 6.6 |
| Jun | 83° / 65° | 3.5 | 11.3 | 0 | 14.7 | 5.4 |
| Jul | 88° / 70° | 4.1 | 12.1 | 0 | 14.5 | 4.3 |
| Aug | 85° / 68° | 3.5 | 10.1 | 0 | 13.5 | 5.1 |
| Sep | 79° / 61° | 4.3 | 9.3 | 0 | 12.3 | 6.8 |
| Oct | 67° / 49° | 3.4 | 7.8 | 0 | 11 | 6.6 |
| Nov | 56° / 39° | 2.9 | 7.5 | 0.2 | 9.9 | 4.1 |
| Dec | 47° / 32° | 3.5 | 8.8 | 1.6 | 9.3 | 1.5 |
Cloud cover in January
The sky is clear or mostly clear about 32% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 53%.
| 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 (%) | 49 | 49 | 49 | 49 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 46 | 45 | 45 | 46 | 46 | 46 | 47 | 48 | 48 | 48 | 48 | 48 | 48 |
| Cloudier (%) | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 55 | 55 | 55 | 55 | 54 | 55 | 55 | 54 | 54 | 54 | 53 | 52 | 52 | 52 | 52 | 52 | 52 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 49 | 51 |
| 3 | 49 | 51 |
| 4 | 49 | 51 |
| 5 | 49 | 51 |
| 6 | 48 | 52 |
| 7 | 48 | 52 |
| 8 | 47 | 53 |
| 9 | 47 | 53 |
| 10 | 46 | 54 |
| 11 | 46 | 54 |
| 12 | 46 | 54 |
| 13 | 46 | 54 |
| 14 | 46 | 54 |
| 15 | 45 | 55 |
| 16 | 45 | 55 |
| 17 | 45 | 55 |
| 18 | 45 | 55 |
| 19 | 46 | 54 |
| 20 | 45 | 55 |
| 21 | 45 | 55 |
| 22 | 46 | 54 |
| 23 | 46 | 54 |
| 24 | 46 | 54 |
| 25 | 47 | 53 |
| 26 | 48 | 52 |
| 27 | 48 | 52 |
| 28 | 48 | 52 |
| 29 | 48 | 52 |
| 30 | 48 | 52 |
| 31 | 48 | 52 |
Chance of precipitation in January
Brightwood gets around 3.1 in of rain and snow over 8.6 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 28% and peaks near 30% on the wettest days, and about 3 days bring snow.
| 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 (%) | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Snow chance (%) | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 27 | 6 |
| 2 | 28 | 7 |
| 3 | 28 | 7 |
| 4 | 29 | 7 |
| 5 | 29 | 7 |
| 6 | 29 | 7 |
| 7 | 30 | 8 |
| 8 | 30 | 8 |
| 9 | 30 | 8 |
| 10 | 30 | 8 |
| 11 | 30 | 9 |
| 12 | 30 | 9 |
| 13 | 30 | 9 |
| 14 | 30 | 9 |
| 15 | 30 | 10 |
| 16 | 29 | 10 |
| 17 | 29 | 10 |
| 18 | 28 | 10 |
| 19 | 28 | 10 |
| 20 | 28 | 10 |
| 21 | 27 | 11 |
| 22 | 27 | 11 |
| 23 | 27 | 11 |
| 24 | 26 | 11 |
| 25 | 26 | 11 |
| 26 | 26 | 11 |
| 27 | 26 | 11 |
| 28 | 26 | 11 |
| 29 | 26 | 11 |
| 30 | 26 | 11 |
| 31 | 26 | 11 |
Humidity in January
Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the dry band about 99% 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 (%) | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 98 | 1 | 1 |
| 2 | 98 | 1 | 1 |
| 3 | 98 | 1 | 1 |
| 4 | 98 | 1 | 1 |
| 5 | 98 | 1 | 1 |
| 6 | 98 | 1 | 1 |
| 7 | 98 | 1 | 1 |
| 8 | 98 | 1 | 1 |
| 9 | 98 | 1 | 1 |
| 10 | 98 | 1 | 1 |
| 11 | 98 | 1 | 1 |
| 12 | 98 | 1 | 1 |
| 13 | 98 | 1 | 1 |
| 14 | 99 | 1 | 0 |
| 15 | 99 | 1 | 0 |
| 16 | 99 | 1 | 0 |
| 17 | 99 | 1 | 0 |
| 18 | 99 | 1 | 0 |
| 19 | 99 | 1 | 0 |
| 20 | 99 | 1 | 0 |
| 21 | 99 | 1 | 0 |
| 22 | 99 | 1 | 0 |
| 23 | 99 | 1 | 0 |
| 24 | 100 | 0 | 0 |
| 25 | 100 | 0 | 0 |
| 26 | 100 | 0 | 0 |
| 27 | 100 | 0 | 0 |
| 28 | 100 | 0 | 0 |
| 29 | 100 | 0 | 0 |
| 30 | 100 | 0 | 0 |
| 31 | 100 | 0 | 0 |
Wind in January
Winds average 7 mph in January.
Across January, 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 January
Daylight runs from about 9 h 18 min at the start of January to 10 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over January. Sunrise moves from 7:32 AM to 7:23 AM, and sunset from 4:51 PM to 5:20 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) | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 10.0 |
| Sunrise (AM) | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:32 | 7:31 | 7:31 | 7:31 | 7:31 | 7:30 | 7:30 | 7:29 | 7:29 | 7:28 | 7:28 | 7:27 | 7:27 | 7:26 | 7:26 | 7:25 | 7:24 | 7:24 | 7:23 |
| Sunset (PM) | 4:51 | 4:51 | 4:52 | 4:53 | 4:54 | 4:55 | 4:55 | 4:56 | 4:57 | 4:58 | 4:59 | 5:00 | 5:01 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:07 | 5:08 | 5:09 | 5:10 | 5:11 | 5:12 | 5:13 | 5:15 | 5:16 | 5:17 | 5:18 | 5:19 | 5:20 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.3 | 7:32 | 4:51 |
| 2 | 9.3 | 7:32 | 4:51 |
| 3 | 9.3 | 7:32 | 4:52 |
| 4 | 9.3 | 7:32 | 4:53 |
| 5 | 9.4 | 7:32 | 4:54 |
| 6 | 9.4 | 7:32 | 4:55 |
| 7 | 9.4 | 7:32 | 4:55 |
| 8 | 9.4 | 7:32 | 4:56 |
| 9 | 9.4 | 7:32 | 4:57 |
| 10 | 9.4 | 7:32 | 4:58 |
| 11 | 9.4 | 7:32 | 4:59 |
| 12 | 9.5 | 7:32 | 5:00 |
| 13 | 9.5 | 7:32 | 5:01 |
| 14 | 9.5 | 7:31 | 5:02 |
| 15 | 9.5 | 7:31 | 5:03 |
| 16 | 9.5 | 7:31 | 5:04 |
| 17 | 9.6 | 7:31 | 5:05 |
| 18 | 9.6 | 7:30 | 5:06 |
| 19 | 9.6 | 7:30 | 5:07 |
| 20 | 9.6 | 7:29 | 5:08 |
| 21 | 9.7 | 7:29 | 5:09 |
| 22 | 9.7 | 7:28 | 5:10 |
| 23 | 9.7 | 7:28 | 5:11 |
| 24 | 9.7 | 7:27 | 5:12 |
| 25 | 9.8 | 7:27 | 5:13 |
| 26 | 9.8 | 7:26 | 5:15 |
| 27 | 9.8 | 7:26 | 5:16 |
| 28 | 9.9 | 7:25 | 5:17 |
| 29 | 9.9 | 7:24 | 5:18 |
| 30 | 9.9 | 7:24 | 5:19 |
| 31 | 10.0 | 7:23 | 5:20 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 2.25 kWh/m².
For context, solar energy here swings from a low near 1.95 kWh/m² to a high of 6.14 kWh/m² in June across the year — January's 2.25 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) | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.2 | 2.2 | 2.2 | 2.2 | 2.3 | 2.3 | 2.3 | 2.4 | 2.4 | 2.4 | 2.5 | 2.5 | 2.5 | 2.5 | 2.6 | 2.6 | 2.6 | 2.7 |
| 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 | 2.0 | Moderate |
| 2 | 2.0 | Moderate |
| 3 | 2.0 | Moderate |
| 4 | 2.0 | Moderate |
| 5 | 2.0 | Moderate |
| 6 | 2.0 | Moderate |
| 7 | 2.1 | Moderate |
| 8 | 2.1 | Moderate |
| 9 | 2.1 | Moderate |
| 10 | 2.1 | Moderate |
| 11 | 2.1 | Moderate |
| 12 | 2.1 | Moderate |
| 13 | 2.1 | Moderate |
| 14 | 2.2 | Moderate |
| 15 | 2.2 | Moderate |
| 16 | 2.2 | Moderate |
| 17 | 2.2 | Moderate |
| 18 | 2.3 | Moderate |
| 19 | 2.3 | Moderate |
| 20 | 2.3 | Moderate |
| 21 | 2.4 | Moderate |
| 22 | 2.4 | Moderate |
| 23 | 2.4 | Moderate |
| 24 | 2.5 | Moderate |
| 25 | 2.5 | Moderate |
| 26 | 2.5 | Moderate |
| 27 | 2.5 | Moderate |
| 28 | 2.6 | Moderate |
| 29 | 2.6 | Moderate |
| 30 | 2.6 | Moderate |
| 31 | 2.7 | Moderate |
Hazard calendar for Brightwood
None of Brightwood's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Brightwood sits in the Atlantic hurricane belt; the season peaks August–October.
Is January a good time to visit Brightwood?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Brightwood.
What to pack for Brightwood in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Brightwood sees daytime highs around 43°F and nights near 28°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.
Sea temperature near Brightwood in January
The nearest coast averages about 38°F in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 35 mi away) is warmest in August at about 78°F and coldest in February near 37°F.
It's comfortable for a long swim from Jun 16 to Oct 6 — 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 | 37 | 40 | 47 | 58 | 68 | 76 | 78 | 74 | 65 | 54 | 45 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Refreshing | Warm | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 38 | Bracing |
| Feb | 37 | 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 | 54 | Bracing |
| Dec | 45 | Bracing |
UV index in Brightwood in January
Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Brightwood peaks around July 11 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 | Moderate | Moderate | High | High | Very high | Very high | Very high | High | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| 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 Brightwood in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Brightwood is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 9 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) | 11 | 12 | 13 | 13 | 15 | 16 | 17 | 15 | 12 | 9 | 9 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 12 | Moderate |
| Mar | 13 | Moderate |
| Apr | 13 | Moderate |
| May | 15 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 12 | Moderate |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 10 | Good |
Where is Brightwood?
Brightwood sits at 39.0°N, 77.0°W, 292 ft above sea level, in United States. The nearest listed city is Kennedy Street, 0.6 mi away.
Topography around Brightwood
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Brightwood.
Within 2 miles, the terrain around Brightwood has only modest variations in elevation — a maximum elevation change of 328 ft around an average of 253 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 584 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,116 ft.
The land around Brightwood is covered by trees (56%) and artificial surfaces (40%) within 2 miles, trees (63%) and artificial surfaces (27%) within 10 miles, and trees (58%) 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 Brightwood (38.9612°, -77.0275°, elevation 292 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).