Santa Ana weather in April
In April, Santa Ana sees average daytime highs of 33°C and overnight lows near 21°C, with 31 mm of rain across 7.2 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 45% of the time in April, and the air most often feels muggy.
Daylight stretches from about 12 h 06 min at the start of April to 12 h 30 min by month's end. Set against the rest of the year, April is Santa Ana's 5th-clearest and 6th-windiest month. For the whole year in context, see Santa Ana's year-round climate.
- Daytime high
- 33°
- 1st warmest
- Overnight low
- 21°
- 8th coldest
- Rainfall
- 31 mm
- 7.2 wet days
- Daylight
- 12 h 18 min
- 5:49 AM – 6:08 PM
- Cloud cover
- 46%
- 5th clearest
- Wind
- 7 km/h
- 6th windiest
- Solar energy
- 6.21 kWh/m²
- Travel score
- 3.9
- out of 10
Santa Ana is city in El Salvador.
- Density
- 442/km²
- people per km²
- Founded
- 1569
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Day-to-day highs hold fairly steady near 33°C through the month.
A typical April day in Santa Ana reaches about 33°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, April runs on par with March and about 1°C warmer 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 (°C) | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 |
| Avg low (°C) | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 33 | 20 |
| 2 | 33 | 20 |
| 3 | 33 | 21 |
| 4 | 33 | 21 |
| 5 | 33 | 21 |
| 6 | 33 | 21 |
| 7 | 33 | 21 |
| 8 | 33 | 21 |
| 9 | 33 | 21 |
| 10 | 33 | 21 |
| 11 | 33 | 21 |
| 12 | 33 | 21 |
| 13 | 33 | 21 |
| 14 | 33 | 21 |
| 15 | 33 | 21 |
| 16 | 33 | 21 |
| 17 | 33 | 21 |
| 18 | 33 | 21 |
| 19 | 33 | 21 |
| 20 | 33 | 21 |
| 21 | 33 | 21 |
| 22 | 33 | 21 |
| 23 | 33 | 21 |
| 24 | 33 | 21 |
| 25 | 33 | 21 |
| 26 | 33 | 21 |
| 27 | 33 | 21 |
| 28 | 33 | 21 |
| 29 | 33 | 21 |
| 30 | 32 | 21 |
How April really feels in Santa Ana
Once humidity and wind are folded in, April averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Santa Ana weather by month
How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 18° | 2 | 0.4 | 11.3 | 6.5 |
| Feb | 31° / 19° | 1 | 0.3 | 11.5 | 5.7 |
| Mar | 32° / 20° | 6 | 1.6 | 11.9 | 4.9 |
| Apr | 33° / 21° | 31 | 7.2 | 12.3 | 3.9 |
| May | 31° / 21° | 139 | 20.5 | 12.6 | 3.2 |
| Jun | 30° / 21° | 186 | 24.1 | 12.8 | 3.2 |
| Jul | 31° / 21° | 97 | 15.8 | 12.7 | 3.7 |
| Aug | 31° / 21° | 122 | 20.2 | 12.5 | 3.3 |
| Sep | 30° / 21° | 213 | 25.7 | 12.1 | 3.1 |
| Oct | 29° / 20° | 157 | 18.6 | 11.7 | 4.2 |
| Nov | 30° / 19° | 27 | 4.3 | 11.4 | 5.9 |
| Dec | 30° / 19° | 6 | 1.1 | 11.2 | 6.5 |
Cloud cover in April
The sky is clear or mostly clear about 45% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 28% of April, with mostly cloudy or overcast conditions the remaining 27%. 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 85 | 83 | 83 | 83 | 82 | 81 | 80 | 80 | 80 | 79 | 78 | 78 | 77 | 77 | 76 | 76 | 75 | 74 | 72 | 71 | 69 | 68 | 65 | 64 | 62 | 59 | 58 | 56 | 55 | 53 |
| Cloudier (%) | 15 | 17 | 17 | 17 | 18 | 19 | 20 | 20 | 20 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 25 | 26 | 28 | 29 | 31 | 32 | 35 | 36 | 38 | 41 | 42 | 44 | 45 | 47 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 85 | 15 |
| 2 | 83 | 17 |
| 3 | 83 | 17 |
| 4 | 83 | 17 |
| 5 | 82 | 18 |
| 6 | 81 | 19 |
| 7 | 80 | 20 |
| 8 | 80 | 20 |
| 9 | 80 | 20 |
| 10 | 79 | 21 |
| 11 | 78 | 22 |
| 12 | 78 | 22 |
| 13 | 77 | 23 |
| 14 | 77 | 23 |
| 15 | 76 | 24 |
| 16 | 76 | 24 |
| 17 | 75 | 25 |
| 18 | 74 | 26 |
| 19 | 72 | 28 |
| 20 | 71 | 29 |
| 21 | 69 | 31 |
| 22 | 68 | 32 |
| 23 | 65 | 35 |
| 24 | 64 | 36 |
| 25 | 62 | 38 |
| 26 | 59 | 41 |
| 27 | 58 | 42 |
| 28 | 56 | 44 |
| 29 | 55 | 45 |
| 30 | 53 | 47 |
Chance of precipitation in April
Santa Ana gets around 31 mm of rain over 7.2 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 25% and peaks near 41% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 11 | 12 | 13 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 33 | 34 | 36 | 37 | 39 | 40 | 41 |
| Rain chance (%) | |
|---|---|
| 1 | 11 |
| 2 | 12 |
| 3 | 13 |
| 4 | 13 |
| 5 | 14 |
| 6 | 15 |
| 7 | 16 |
| 8 | 17 |
| 9 | 18 |
| 10 | 19 |
| 11 | 20 |
| 12 | 21 |
| 13 | 22 |
| 14 | 22 |
| 15 | 23 |
| 16 | 24 |
| 17 | 25 |
| 18 | 26 |
| 19 | 27 |
| 20 | 28 |
| 21 | 29 |
| 22 | 30 |
| 23 | 31 |
| 24 | 33 |
| 25 | 34 |
| 26 | 36 |
| 27 | 37 |
| 28 | 39 |
| 29 | 40 |
| 30 | 41 |
Humidity in April
Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the muggy band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 45% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 10 | 9 | 8 | 8 | 7 | 6 |
| Humid (%) | 51 | 50 | 51 | 49 | 48 | 47 | 46 | 45 | 44 | 43 | 42 | 42 | 41 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 |
| Muggy (%) | 27 | 29 | 30 | 32 | 33 | 35 | 36 | 37 | 38 | 39 | 40 | 40 | 41 | 42 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 53 | 55 | 56 | 57 | 59 | 61 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 6 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 3 | 19 | 51 | 27 | 0 |
| 2 | 3 | 18 | 50 | 29 | 0 |
| 3 | 2 | 17 | 51 | 30 | 0 |
| 4 | 2 | 17 | 49 | 32 | 0 |
| 5 | 2 | 16 | 48 | 33 | 0 |
| 6 | 2 | 16 | 47 | 35 | 0 |
| 7 | 2 | 16 | 46 | 36 | 0 |
| 8 | 2 | 16 | 45 | 37 | 0 |
| 9 | 2 | 16 | 44 | 38 | 0 |
| 10 | 1 | 16 | 43 | 39 | 0 |
| 11 | 1 | 16 | 42 | 40 | 0 |
| 12 | 1 | 16 | 42 | 40 | 0 |
| 13 | 1 | 16 | 41 | 41 | 0 |
| 14 | 1 | 16 | 40 | 42 | 1 |
| 15 | 1 | 16 | 39 | 42 | 1 |
| 16 | 1 | 16 | 39 | 43 | 1 |
| 17 | 2 | 15 | 38 | 44 | 1 |
| 18 | 2 | 15 | 37 | 45 | 1 |
| 19 | 2 | 14 | 37 | 46 | 2 |
| 20 | 2 | 14 | 36 | 47 | 2 |
| 21 | 2 | 13 | 35 | 48 | 3 |
| 22 | 2 | 12 | 34 | 49 | 3 |
| 23 | 2 | 12 | 33 | 50 | 4 |
| 24 | 2 | 11 | 32 | 51 | 4 |
| 25 | 1 | 10 | 31 | 53 | 5 |
| 26 | 1 | 9 | 30 | 55 | 5 |
| 27 | 1 | 8 | 29 | 56 | 6 |
| 28 | 1 | 8 | 28 | 57 | 6 |
| 29 | 1 | 7 | 27 | 59 | 6 |
| 30 | 1 | 6 | 26 | 61 | 6 |
Wind in April
Winds average 7 km/h in April.
Across April, daily wind ranges from about 6 km/h on the calmest days to 7 km/h 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 (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 (km/h) | 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 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 06 min at the start of April to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 24 minutes over April. Sunrise moves from 5:59 AM to 5:41 AM, and sunset from 6:06 PM to 6:10 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) | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 |
| Sunrise (AM) | 5:59 | 5:59 | 5:58 | 5:57 | 5:57 | 5:56 | 5:55 | 5:54 | 5:54 | 5:53 | 5:52 | 5:52 | 5:51 | 5:50 | 5:50 | 5:49 | 5:48 | 5:48 | 5:47 | 5:47 | 5:46 | 5:45 | 5:45 | 5:44 | 5:44 | 5:43 | 5:43 | 5:42 | 5:42 | 5:41 |
| Sunset (PM) | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 5:59 | 6:06 |
| 2 | 12.1 | 5:59 | 6:06 |
| 3 | 12.1 | 5:58 | 6:07 |
| 4 | 12.2 | 5:57 | 6:07 |
| 5 | 12.2 | 5:57 | 6:07 |
| 6 | 12.2 | 5:56 | 6:07 |
| 7 | 12.2 | 5:55 | 6:07 |
| 8 | 12.2 | 5:54 | 6:07 |
| 9 | 12.2 | 5:54 | 6:07 |
| 10 | 12.2 | 5:53 | 6:07 |
| 11 | 12.2 | 5:52 | 6:07 |
| 12 | 12.3 | 5:52 | 6:07 |
| 13 | 12.3 | 5:51 | 6:07 |
| 14 | 12.3 | 5:50 | 6:08 |
| 15 | 12.3 | 5:50 | 6:08 |
| 16 | 12.3 | 5:49 | 6:08 |
| 17 | 12.3 | 5:48 | 6:08 |
| 18 | 12.3 | 5:48 | 6:08 |
| 19 | 12.3 | 5:47 | 6:08 |
| 20 | 12.4 | 5:47 | 6:08 |
| 21 | 12.4 | 5:46 | 6:08 |
| 22 | 12.4 | 5:45 | 6:09 |
| 23 | 12.4 | 5:45 | 6:09 |
| 24 | 12.4 | 5:44 | 6:09 |
| 25 | 12.4 | 5:44 | 6:09 |
| 26 | 12.4 | 5:43 | 6:09 |
| 27 | 12.4 | 5:43 | 6:09 |
| 28 | 12.5 | 5:42 | 6:10 |
| 29 | 12.5 | 5:42 | 6:10 |
| 30 | 12.5 | 5:41 | 6:10 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 6.21 kWh/m².
For context, solar energy here swings from a low near 4.7 kWh/m² to a high of 6.27 kWh/m² in March across the year — April's 6.21 kWh/m² sits near the top of that range.
| 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) | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 |
| 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 | 6.3 | Intense |
| 2 | 6.2 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.2 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.2 | Intense |
| 8 | 6.2 | Intense |
| 9 | 6.2 | Intense |
| 10 | 6.2 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.2 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.2 | Intense |
| 19 | 6.2 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.1 | Intense |
| 26 | 6.1 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.0 | Intense |
Hazard calendar for Santa Ana
None of Santa Ana's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Santa Ana sits in the Atlantic hurricane belt; the season peaks August–October.
Santa Ana's monsoon runs May–October, when most of the year's rain falls.
Is April a good time to visit Santa Ana?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a weaker month for outdoor sightseeing in Santa Ana. The water and warmth also suit a beach or pool day.
What to pack for Santa Ana in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Santa Ana sees daytime highs around 33°C and nights near 21°C. Pack light clothes and sun protection. About 7 days see rain.
Sea temperature near Santa Ana in April
The nearest coast averages about 30°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 53 km away) is warmest in August at about 30°C and coldest in January near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Santa Ana in April
Clear-sky midday UV in April peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santa Ana peaks around April 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 9 (very high).
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) | 10 | 13 | 13 | 14 | 12 | 13 | 13 | 12 | 12 | 11 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 13 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Santa Ana 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 Santa Ana is worst in April — around 33 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 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) | 16 | 18 | 21 | 33 | 31 | 21 | 23 | 20 | 19 | 18 | 16 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 18 | Moderate |
| Mar | 21 | Moderate |
| Apr | 33 | Moderate |
| May | 31 | Moderate |
| Jun | 21 | Moderate |
| Jul | 23 | Moderate |
| Aug | 20 | Moderate |
| Sep | 19 | Moderate |
| Oct | 18 | Moderate |
| Nov | 16 | Moderate |
| Dec | 16 | Moderate |
Where is Santa Ana?
Santa Ana sits at 14.0°N, 89.6°W, 645 m above sea level, in El Salvador. The nearest listed city is Chalchuapa, 13 km away.
Topography around Santa Ana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Ana.
Within 3 km, the terrain around Santa Ana has significant variations in elevation — a maximum elevation change of 387 m around an average of 683 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,989 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,703 m.
The land around Santa Ana is covered by trees (55%) and artificial surfaces (37%) within 3 km, trees (64%) and grassland (20%) within 16 km, and trees (52%) and grassland (23%) within 80 km.
El Salvador travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 115 V · 60 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $5,767
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Homicide rate
- 7.9
- per 100k, 2022
- Road deaths
- 20.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 523
- 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 Santa Ana (13.9883°, -89.5568°, elevation 645 m), 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).