Carlsbad weather in April
In April, Carlsbad sees average daytime highs of 68°F and overnight lows near 53°F, with 1.1 in of rain across 4.1 wet days and about 12.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.
Highs climb over the month, from about 66°F in the first days to 70°F by the end. The sky is clear or mostly clear about 52% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 18 min at the start of April to 13 h 18 min by month's end. Set against the rest of the year, April is Carlsbad's 8th-clearest and 1st-windiest month. For the whole year in context, see Carlsbad's year-round climate.
- Daytime high
- 68°
- 8th warmest
- Overnight low
- 53°
- 6th coldest
- Rainfall
- 1.1 in
- 4.1 wet days
- Daylight
- 12 h 48 min
- 5:25 AM – 6:14 PM
- Cloud cover
- 41%
- 8th clearest
- Wind
- 5 mph
- 1st windiest
- Solar energy
- 6.73 kWh/m²
- Travel score
- 7.5
- out of 10
Carlsbad is coastal city in the North County region of San Diego County, California, United States.
- Density
- 1,133/km²
- people per km²
- Founded
- 1952
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 66°F in the first days to 70°F by the end.
A typical April day in Carlsbad reaches about 68°F in the afternoon and slips back to 53°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 78°F. Set against its neighbours, April runs about 3°F warmer than March and about 3°F cooler than May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 70 | 70 | 70 | 70 |
| Avg low (°F) | 51 | 51 | 51 | 51 | 51 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 53 | 53 | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 54 | 55 | 55 | 55 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 66 | 51 |
| 2 | 66 | 51 |
| 3 | 66 | 51 |
| 4 | 66 | 51 |
| 5 | 66 | 51 |
| 6 | 67 | 52 |
| 7 | 67 | 52 |
| 8 | 67 | 52 |
| 9 | 67 | 52 |
| 10 | 67 | 52 |
| 11 | 67 | 52 |
| 12 | 67 | 52 |
| 13 | 68 | 52 |
| 14 | 68 | 52 |
| 15 | 68 | 53 |
| 16 | 68 | 53 |
| 17 | 68 | 53 |
| 18 | 68 | 53 |
| 19 | 69 | 53 |
| 20 | 69 | 53 |
| 21 | 69 | 53 |
| 22 | 69 | 54 |
| 23 | 69 | 54 |
| 24 | 69 | 54 |
| 25 | 70 | 54 |
| 26 | 70 | 54 |
| 27 | 70 | 54 |
| 28 | 70 | 55 |
| 29 | 70 | 55 |
| 30 | 70 | 55 |
Carlsbad weather by month
How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 64° / 47° | 2.9 | 5.8 | 10.1 | 6.7 |
| Feb | 64° / 48° | 3.6 | 6.8 | 10.8 | 6.4 |
| Mar | 65° / 50° | 2.2 | 6.2 | 11.7 | 6.8 |
| Apr | 68° / 53° | 1.1 | 4.1 | 12.8 | 7.5 |
| May | 71° / 56° | 0.5 | 2.1 | 13.7 | 8.1 |
| Jun | 75° / 60° | 0.1 | 0.5 | 14.1 | 9.1 |
| Jul | 80° / 65° | 0.1 | 0.4 | 14 | 8.8 |
| Aug | 82° / 66° | 0.0 | 0.2 | 13.2 | 8.5 |
| Sep | 81° / 64° | 0.1 | 0.7 | 12.2 | 8.6 |
| Oct | 76° / 59° | 0.7 | 2.6 | 11.2 | 8.7 |
| Nov | 70° / 52° | 1.1 | 3.5 | 10.3 | 7.9 |
| Dec | 64° / 47° | 2.1 | 5.1 | 9.8 | 6.8 |
Cloud cover in April
The sky is clear or mostly clear about 52% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to open up 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 61 | 61 | 62 | 62 | 63 | 64 | 64 | 64 | 65 | 66 | 66 | 67 | 67 | 69 | 69 | 69 | 70 | 71 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 71 | 71 | 69 |
| Cloudier (%) | 39 | 39 | 38 | 38 | 37 | 36 | 36 | 36 | 35 | 34 | 34 | 33 | 33 | 31 | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 31 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 61 | 39 |
| 2 | 61 | 39 |
| 3 | 62 | 38 |
| 4 | 62 | 38 |
| 5 | 63 | 37 |
| 6 | 64 | 36 |
| 7 | 64 | 36 |
| 8 | 64 | 36 |
| 9 | 65 | 35 |
| 10 | 66 | 34 |
| 11 | 66 | 34 |
| 12 | 67 | 33 |
| 13 | 67 | 33 |
| 14 | 69 | 31 |
| 15 | 69 | 31 |
| 16 | 69 | 31 |
| 17 | 70 | 30 |
| 18 | 71 | 29 |
| 19 | 71 | 29 |
| 20 | 71 | 29 |
| 21 | 71 | 29 |
| 22 | 71 | 29 |
| 23 | 72 | 28 |
| 24 | 72 | 28 |
| 25 | 72 | 28 |
| 26 | 72 | 28 |
| 27 | 72 | 28 |
| 28 | 71 | 29 |
| 29 | 71 | 29 |
| 30 | 69 | 31 |
Chance of precipitation in April
Carlsbad gets around 1.1 in of rain over 4.1 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 13% and peaks near 17% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Rain chance (%) | |
|---|---|
| 1 | 17 |
| 2 | 17 |
| 3 | 16 |
| 4 | 16 |
| 5 | 16 |
| 6 | 15 |
| 7 | 15 |
| 8 | 15 |
| 9 | 14 |
| 10 | 14 |
| 11 | 14 |
| 12 | 13 |
| 13 | 13 |
| 14 | 12 |
| 15 | 12 |
| 16 | 12 |
| 17 | 12 |
| 18 | 12 |
| 19 | 12 |
| 20 | 12 |
| 21 | 12 |
| 22 | 12 |
| 23 | 12 |
| 24 | 12 |
| 25 | 12 |
| 26 | 12 |
| 27 | 12 |
| 28 | 12 |
| 29 | 12 |
| 30 | 12 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the dry band about 87% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 92 | 92 | 92 | 91 | 90 | 89 | 88 | 87 | 86 | 84 | 83 | 82 | 81 | 80 | 78 | 77 | 76 | 75 | 74 | 73 |
| Comfortable (%) | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 95 | 5 | 0 |
| 2 | 95 | 5 | 0 |
| 3 | 95 | 5 | 0 |
| 4 | 94 | 6 | 0 |
| 5 | 94 | 6 | 0 |
| 6 | 94 | 6 | 0 |
| 7 | 94 | 6 | 0 |
| 8 | 94 | 6 | 0 |
| 9 | 93 | 7 | 0 |
| 10 | 93 | 7 | 0 |
| 11 | 92 | 8 | 0 |
| 12 | 92 | 8 | 0 |
| 13 | 92 | 8 | 0 |
| 14 | 91 | 9 | 0 |
| 15 | 90 | 10 | 0 |
| 16 | 89 | 10 | 1 |
| 17 | 88 | 11 | 1 |
| 18 | 87 | 12 | 1 |
| 19 | 86 | 13 | 1 |
| 20 | 84 | 14 | 2 |
| 21 | 83 | 15 | 2 |
| 22 | 82 | 16 | 2 |
| 23 | 81 | 17 | 2 |
| 24 | 80 | 18 | 2 |
| 25 | 78 | 19 | 3 |
| 26 | 77 | 20 | 3 |
| 27 | 76 | 21 | 3 |
| 28 | 75 | 22 | 3 |
| 29 | 74 | 23 | 3 |
| 30 | 73 | 24 | 3 |
Wind in April
Winds average 5 mph in April, the windiest month of the year.
Across April, daily wind ranges from about 4 mph on the calmest days to 5 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 60 minutes over April. Sunrise moves from 5:45 AM to 5:09 AM, and sunset from 6:03 PM to 6:25 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 | 13.3 |
| Sunrise (AM) | 5:45 | 5:43 | 5:42 | 5:41 | 5:39 | 5:38 | 5:37 | 5:35 | 5:34 | 5:33 | 5:31 | 5:30 | 5:29 | 5:28 | 5:26 | 5:25 | 5:24 | 5:23 | 5:21 | 5:20 | 5:19 | 5:18 | 5:17 | 5:15 | 5:14 | 5:13 | 5:12 | 5:11 | 5:10 | 5:09 |
| Sunset (PM) | 6:03 | 6:04 | 6:05 | 6:05 | 6:06 | 6:07 | 6:08 | 6:08 | 6:09 | 6:10 | 6:11 | 6:11 | 6:12 | 6:13 | 6:14 | 6:14 | 6:15 | 6:16 | 6:16 | 6:17 | 6:18 | 6:19 | 6:19 | 6:20 | 6:21 | 6:22 | 6:22 | 6:23 | 6:24 | 6:25 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 5:45 | 6:03 |
| 2 | 12.3 | 5:43 | 6:04 |
| 3 | 12.4 | 5:42 | 6:05 |
| 4 | 12.4 | 5:41 | 6:05 |
| 5 | 12.4 | 5:39 | 6:06 |
| 6 | 12.5 | 5:38 | 6:07 |
| 7 | 12.5 | 5:37 | 6:08 |
| 8 | 12.5 | 5:35 | 6:08 |
| 9 | 12.6 | 5:34 | 6:09 |
| 10 | 12.6 | 5:33 | 6:10 |
| 11 | 12.7 | 5:31 | 6:11 |
| 12 | 12.7 | 5:30 | 6:11 |
| 13 | 12.7 | 5:29 | 6:12 |
| 14 | 12.8 | 5:28 | 6:13 |
| 15 | 12.8 | 5:26 | 6:14 |
| 16 | 12.8 | 5:25 | 6:14 |
| 17 | 12.9 | 5:24 | 6:15 |
| 18 | 12.9 | 5:23 | 6:16 |
| 19 | 12.9 | 5:21 | 6:16 |
| 20 | 13.0 | 5:20 | 6:17 |
| 21 | 13.0 | 5:19 | 6:18 |
| 22 | 13.0 | 5:18 | 6:19 |
| 23 | 13.0 | 5:17 | 6:19 |
| 24 | 13.1 | 5:15 | 6:20 |
| 25 | 13.1 | 5:14 | 6:21 |
| 26 | 13.1 | 5:13 | 6:22 |
| 27 | 13.2 | 5:12 | 6:22 |
| 28 | 13.2 | 5:11 | 6:23 |
| 29 | 13.2 | 5:10 | 6:24 |
| 30 | 13.3 | 5:09 | 6:25 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 6.73 kWh/m².
For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 7.96 kWh/m² in June across the year — April's 6.73 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.9 | 6.9 | 6.9 | 7.0 | 7.0 | 7.0 | 7.0 | 7.1 | 7.1 | 7.1 | 7.1 | 7.1 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.2 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.6 | Intense |
| 12 | 6.6 | Intense |
| 13 | 6.7 | Intense |
| 14 | 6.7 | Intense |
| 15 | 6.7 | Intense |
| 16 | 6.8 | Intense |
| 17 | 6.8 | Intense |
| 18 | 6.8 | Intense |
| 19 | 6.9 | Intense |
| 20 | 6.9 | Intense |
| 21 | 6.9 | Intense |
| 22 | 7.0 | Intense |
| 23 | 7.0 | Intense |
| 24 | 7.0 | Intense |
| 25 | 7.0 | Intense |
| 26 | 7.1 | Intense |
| 27 | 7.1 | Intense |
| 28 | 7.1 | Intense |
| 29 | 7.1 | Intense |
| 30 | 7.1 | Intense |
Is April a good time to visit Carlsbad?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is one of the better times to visit Carlsbad for general sightseeing.
What to pack for Carlsbad in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Carlsbad sees daytime highs around 68°F and nights near 53°F. Pack sun protection. About 4 days see rain.
Sea temperature near Carlsbad in April
The nearest coast averages about 61°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 71°F and coldest in January near 59°F.
It's comfortable for a long swim from Jul 5 to Oct 7 — about 3.1 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 59 | 59 | 60 | 61 | 64 | 66 | 69 | 71 | 70 | 67 | 64 | 61 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 59 | Cool |
| Feb | 59 | Cool |
| Mar | 60 | Cool |
| Apr | 61 | Cool |
| May | 64 | Cool |
| Jun | 66 | Cool |
| Jul | 69 | Refreshing |
| Aug | 71 | Refreshing |
| Sep | 70 | Refreshing |
| Oct | 67 | Cool |
| Nov | 64 | Cool |
| Dec | 61 | Cool |
UV index in Carlsbad in April
Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Carlsbad peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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) | 4 | 5 | 5 | 8 | 8 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
| Level | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | Moderate |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Carlsbad in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Carlsbad is worst in September — around 26 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (May, 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) | 12 | 12 | 12 | 11 | 8 | 11 | 11 | 15 | 26 | 14 | 12 | 16 |
| Level | Good | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 12 | Moderate |
| Mar | 12 | Moderate |
| Apr | 11 | Good |
| May | 8 | Good |
| Jun | 11 | Good |
| Jul | 11 | Good |
| Aug | 15 | Moderate |
| Sep | 26 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Moderate |
| Dec | 16 | Moderate |
Where is Carlsbad?
Carlsbad sits at 33.2°N, 117.4°W, 52 ft above sea level, in United States. The nearest listed city is Oceanside, 3.1 mi away.
Topography around Carlsbad
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Carlsbad.
Within 2 miles, the terrain around Carlsbad has only modest variations in elevation — a maximum elevation change of 344 ft around an average of 56 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,335 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,624 ft.
The land around Carlsbad is covered by water (48%) and artificial surfaces (37%) within 2 miles, water (47%) and artificial surfaces (24%) within 10 miles, and water (33%) and shrubs (21%) 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 Carlsbad (33.1581°, -117.3506°, elevation 52 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).