Lompoc weather in December
In December, Lompoc sees average daytime highs of 60°F and overnight lows near 49°F, with 2.6 in of rain across 6 wet days and about 9.7 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 60°F through the month. The sky is clear or mostly clear about 49% of the time in December, and the air most often feels dry.
Daylight stretches from about 9 h 48 min at the start of December to 9 h 42 min by month's end. Set against the rest of the year, December is Lompoc's 9th-clearest and 7th-windiest month. For the whole year in context, see Lompoc's year-round climate.
- Daytime high
- 60°
- 10th warmest
- Overnight low
- 49°
- 2nd coldest
- Rainfall
- 2.6 in
- 6 wet days
- Daylight
- 9 h 42 min
- 7:07 AM – 4:49 PM
- Cloud cover
- 43%
- 9th clearest
- Wind
- 9 mph
- 7th windiest
- Solar energy
- 2.9 kWh/m²
- Travel score
- 5.4
- out of 10
Lompoc is city in Santa Barbara County, California, United States.
- Density
- 1,461/km²
- people per km²
- Founded
- 1888
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 60°F through the month.
A typical December day in Lompoc reaches about 60°F in the afternoon and slips back to 49°F overnight — a 10°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 65°F. Set against its neighbours, December runs about 4°F cooler than November and on par with 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) | 61 | 61 | 61 | 61 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 | 59 |
| Avg low (°F) | 51 | 51 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 61 | 51 |
| 2 | 61 | 51 |
| 3 | 61 | 51 |
| 4 | 61 | 51 |
| 5 | 60 | 50 |
| 6 | 60 | 50 |
| 7 | 60 | 50 |
| 8 | 60 | 50 |
| 9 | 60 | 50 |
| 10 | 60 | 50 |
| 11 | 60 | 50 |
| 12 | 60 | 50 |
| 13 | 60 | 50 |
| 14 | 60 | 49 |
| 15 | 59 | 49 |
| 16 | 59 | 49 |
| 17 | 59 | 49 |
| 18 | 59 | 49 |
| 19 | 59 | 49 |
| 20 | 59 | 49 |
| 21 | 59 | 49 |
| 22 | 59 | 49 |
| 23 | 59 | 49 |
| 24 | 59 | 49 |
| 25 | 59 | 49 |
| 26 | 59 | 49 |
| 27 | 59 | 49 |
| 28 | 59 | 49 |
| 29 | 59 | 49 |
| 30 | 59 | 49 |
| 31 | 59 | 49 |
Lompoc weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 60° / 49° | 3.5 | 7 | 9.9 | 5.2 |
| Feb | 59° / 50° | 3.4 | 7.5 | 10.7 | 5.0 |
| Mar | 60° / 51° | 2.6 | 6.1 | 11.7 | 5.4 |
| Apr | 60° / 51° | 0.9 | 2.9 | 12.8 | 6.1 |
| May | 62° / 53° | 0.4 | 1.4 | 13.8 | 6.8 |
| Jun | 64° / 55° | 0.1 | 0.3 | 14.3 | 7.8 |
| Jul | 67° / 57° | 0.0 | 0.2 | 14.1 | 8.2 |
| Aug | 68° / 58° | 0.0 | 0.1 | 13.3 | 8.5 |
| Sep | 68° / 58° | 0.0 | 0.3 | 12.2 | 8.5 |
| Oct | 67° / 57° | 0.6 | 1.8 | 11.1 | 8.1 |
| Nov | 64° / 53° | 1.2 | 3.3 | 10.2 | 7.0 |
| Dec | 60° / 49° | 2.6 | 6 | 9.7 | 5.4 |
Cloud cover in December
The sky is clear or mostly clear about 49% 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 37%. 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 (%) | 68 | 67 | 67 | 65 | 65 | 65 | 64 | 64 | 64 | 63 | 63 | 63 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 62 | 61 | 60 | 59 | 59 | 58 | 58 | 58 |
| Cloudier (%) | 32 | 33 | 33 | 35 | 35 | 35 | 36 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 39 | 40 | 41 | 41 | 42 | 42 | 42 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 68 | 32 |
| 2 | 67 | 33 |
| 3 | 67 | 33 |
| 4 | 65 | 35 |
| 5 | 65 | 35 |
| 6 | 65 | 35 |
| 7 | 64 | 36 |
| 8 | 64 | 36 |
| 9 | 64 | 36 |
| 10 | 63 | 37 |
| 11 | 63 | 37 |
| 12 | 63 | 37 |
| 13 | 62 | 38 |
| 14 | 62 | 38 |
| 15 | 62 | 38 |
| 16 | 63 | 37 |
| 17 | 63 | 37 |
| 18 | 63 | 37 |
| 19 | 63 | 37 |
| 20 | 63 | 37 |
| 21 | 63 | 37 |
| 22 | 62 | 38 |
| 23 | 62 | 38 |
| 24 | 62 | 38 |
| 25 | 61 | 39 |
| 26 | 60 | 40 |
| 27 | 59 | 41 |
| 28 | 59 | 41 |
| 29 | 58 | 42 |
| 30 | 58 | 42 |
| 31 | 58 | 42 |
Chance of precipitation in December
Lompoc gets around 2.6 in of rain over 6 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 20% and peaks near 23% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 23 |
| Rain chance (%) | |
|---|---|
| 1 | 15 |
| 2 | 16 |
| 3 | 16 |
| 4 | 16 |
| 5 | 17 |
| 6 | 17 |
| 7 | 17 |
| 8 | 18 |
| 9 | 18 |
| 10 | 18 |
| 11 | 19 |
| 12 | 19 |
| 13 | 19 |
| 14 | 19 |
| 15 | 20 |
| 16 | 20 |
| 17 | 20 |
| 18 | 20 |
| 19 | 20 |
| 20 | 21 |
| 21 | 21 |
| 22 | 21 |
| 23 | 21 |
| 24 | 21 |
| 25 | 22 |
| 26 | 22 |
| 27 | 22 |
| 28 | 22 |
| 29 | 23 |
| 30 | 23 |
| 31 | 23 |
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 97% 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 (%) | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 98 | 98 | 98 | 98 |
| Comfortable (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 96 | 4 |
| 2 | 96 | 4 |
| 3 | 96 | 4 |
| 4 | 96 | 4 |
| 5 | 96 | 4 |
| 6 | 96 | 4 |
| 7 | 96 | 4 |
| 8 | 96 | 4 |
| 9 | 96 | 4 |
| 10 | 97 | 3 |
| 11 | 97 | 3 |
| 12 | 97 | 3 |
| 13 | 97 | 3 |
| 14 | 97 | 3 |
| 15 | 98 | 2 |
| 16 | 98 | 2 |
| 17 | 98 | 2 |
| 18 | 98 | 2 |
| 19 | 98 | 2 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 98 | 2 |
| 27 | 98 | 2 |
| 28 | 98 | 2 |
| 29 | 98 | 2 |
| 30 | 98 | 2 |
| 31 | 98 | 2 |
Wind in December
Winds average 9 mph in December.
Across December, daily wind ranges from about 9 mph on the calmest days to 9 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 | 9 | light breeze |
| 2 | 9 | light breeze |
| 3 | 9 | light breeze |
| 4 | 9 | light breeze |
| 5 | 9 | light breeze |
| 6 | 9 | light breeze |
| 7 | 9 | light breeze |
| 8 | 9 | light breeze |
| 9 | 9 | light breeze |
| 10 | 9 | light breeze |
| 11 | 9 | light breeze |
| 12 | 9 | light breeze |
| 13 | 9 | light breeze |
| 14 | 9 | light breeze |
| 15 | 9 | light breeze |
| 16 | 9 | light breeze |
| 17 | 9 | light breeze |
| 18 | 9 | light breeze |
| 19 | 9 | light breeze |
| 20 | 9 | light breeze |
| 21 | 9 | light breeze |
| 22 | 9 | light breeze |
| 23 | 9 | light breeze |
| 24 | 9 | light breeze |
| 25 | 9 | light breeze |
| 26 | 9 | light breeze |
| 27 | 9 | light breeze |
| 28 | 9 | light breeze |
| 29 | 9 | light breeze |
| 30 | 9 | light breeze |
| 31 | 9 | light breeze |
Sunrise & sunset in December
Daylight runs from about 9 h 48 min at the start of December to 9 h 42 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 6:56 AM to 7:14 AM, and sunset from 4:47 PM to 4:56 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) | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 |
| Sunrise (AM) | 6:56 | 6:57 | 6:58 | 6:59 | 6:59 | 7:00 | 7:01 | 7:02 | 7:03 | 7:03 | 7:04 | 7:05 | 7:05 | 7:06 | 7:07 | 7:07 | 7:08 | 7:08 | 7:09 | 7:10 | 7:10 | 7:11 | 7:11 | 7:11 | 7:12 | 7:12 | 7:13 | 7:13 | 7:13 | 7:13 | 7:14 |
| Sunset (PM) | 4:47 | 4:47 | 4:47 | 4:47 | 4:47 | 4:47 | 4:47 | 4:47 | 4:47 | 4:47 | 4:47 | 4:48 | 4:48 | 4:48 | 4:48 | 4:49 | 4:49 | 4:49 | 4:50 | 4:50 | 4:51 | 4:51 | 4:52 | 4:52 | 4:53 | 4:53 | 4:54 | 4:54 | 4:55 | 4:56 | 4:56 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.8 | 6:56 | 4:47 |
| 2 | 9.8 | 6:57 | 4:47 |
| 3 | 9.8 | 6:58 | 4:47 |
| 4 | 9.8 | 6:59 | 4:47 |
| 5 | 9.8 | 6:59 | 4:47 |
| 6 | 9.8 | 7:00 | 4:47 |
| 7 | 9.8 | 7:01 | 4:47 |
| 8 | 9.8 | 7:02 | 4:47 |
| 9 | 9.7 | 7:03 | 4:47 |
| 10 | 9.7 | 7:03 | 4:47 |
| 11 | 9.7 | 7:04 | 4:47 |
| 12 | 9.7 | 7:05 | 4:48 |
| 13 | 9.7 | 7:05 | 4:48 |
| 14 | 9.7 | 7:06 | 4:48 |
| 15 | 9.7 | 7:07 | 4:48 |
| 16 | 9.7 | 7:07 | 4:49 |
| 17 | 9.7 | 7:08 | 4:49 |
| 18 | 9.7 | 7:08 | 4:49 |
| 19 | 9.7 | 7:09 | 4:50 |
| 20 | 9.7 | 7:10 | 4:50 |
| 21 | 9.7 | 7:10 | 4:51 |
| 22 | 9.7 | 7:11 | 4:51 |
| 23 | 9.7 | 7:11 | 4:52 |
| 24 | 9.7 | 7:11 | 4:52 |
| 25 | 9.7 | 7:12 | 4:53 |
| 26 | 9.7 | 7:12 | 4:53 |
| 27 | 9.7 | 7:13 | 4:54 |
| 28 | 9.7 | 7:13 | 4:54 |
| 29 | 9.7 | 7:13 | 4:55 |
| 30 | 9.7 | 7:13 | 4:56 |
| 31 | 9.7 | 7:14 | 4:56 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.9 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.9 kWh/m² to a high of 8.2 kWh/m² in June across the year — December's 2.9 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 | 3.0 | 2.9 | 2.9 | 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 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 |
| 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 | 3.0 | Moderate |
| 4 | 2.9 | Moderate |
| 5 | 2.9 | Moderate |
| 6 | 2.9 | Moderate |
| 7 | 2.9 | Moderate |
| 8 | 2.9 | Moderate |
| 9 | 2.9 | Moderate |
| 10 | 2.9 | 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 | 2.9 | Moderate |
| 23 | 2.9 | Moderate |
| 24 | 2.9 | Moderate |
| 25 | 2.9 | Moderate |
| 26 | 2.9 | Moderate |
| 27 | 2.9 | Moderate |
| 28 | 2.9 | Moderate |
| 29 | 2.9 | Moderate |
| 30 | 2.9 | Moderate |
| 31 | 2.9 | Moderate |
Is December a good time to visit Lompoc?
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 Lompoc for sightseeing.
What to pack for Lompoc in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Lompoc sees daytime highs around 60°F and nights near 49°F. Worth packing: a warm layer. About 6 days see rain.
Sea temperature near Lompoc in December
The nearest coast averages about 57°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 9 mi away) is warmest in October at about 60°F and coldest in April near 54°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 56 | 56 | 55 | 54 | 55 | 56 | 58 | 59 | 60 | 60 | 59 | 57 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 56 | Bracing |
| Feb | 56 | Bracing |
| Mar | 55 | Bracing |
| Apr | 54 | Bracing |
| May | 55 | Bracing |
| Jun | 56 | Bracing |
| Jul | 58 | Bracing |
| Aug | 59 | Cool |
| Sep | 60 | Cool |
| Oct | 60 | Cool |
| Nov | 59 | Cool |
| Dec | 57 | Bracing |
UV index in Lompoc in December
Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lompoc peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 7 | 8 | 11 | 10 | 10 | 8 | 6 | 3 | 3 |
| Level | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Lompoc 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 Lompoc is worst in September — around 21 µg/m³ PM2.5 (moderate), about 5.4× the cleanest month (June, 4 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) | 5 | 5 | 6 | 5 | 5 | 4 | 6 | 9 | 21 | 5 | 5 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 5 | Good |
| Feb | 5 | Good |
| Mar | 6 | Good |
| Apr | 5 | Good |
| May | 5 | Good |
| Jun | 4 | Good |
| Jul | 6 | Good |
| Aug | 9 | Good |
| Sep | 21 | Moderate |
| Oct | 5 | Good |
| Nov | 5 | Good |
| Dec | 6 | Good |
Where is Lompoc?
Lompoc sits at 34.6°N, 120.5°W, 105 ft above sea level, in United States. The nearest listed city is Orcutt, 16 mi away.
Topography around Lompoc
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Lompoc.
Within 2 miles, the terrain around Lompoc has significant variations in elevation — a maximum elevation change of 902 ft around an average of 226 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,100 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,788 ft.
The land around Lompoc is covered by artificial surfaces (38%) and grassland (31%) within 2 miles, grassland (46%) and trees (31%) within 10 miles, and water (47%) and grassland (25%) 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 Lompoc (34.6392°, -120.4579°, elevation 105 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. 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).